./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-match-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a256fbb-01fe-408e-9061-beb825eaae0b/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a256fbb-01fe-408e-9061-beb825eaae0b/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a256fbb-01fe-408e-9061-beb825eaae0b/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a256fbb-01fe-408e-9061-beb825eaae0b/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-match-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a256fbb-01fe-408e-9061-beb825eaae0b/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a256fbb-01fe-408e-9061-beb825eaae0b/bin/uautomizer-verify-4GaUIPS5ZU --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 58a3707e98508adde0e15b9d8e43fa1e77573e5478a67cbc9ef6d2cbcb9307e7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:15:12,633 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:15:12,742 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a256fbb-01fe-408e-9061-beb825eaae0b/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 22:15:12,748 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:15:12,751 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:15:12,786 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:15:12,789 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:15:12,790 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:15:12,791 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:15:12,793 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:15:12,794 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:15:12,795 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:15:12,796 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:15:12,797 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:15:12,799 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:15:12,800 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:15:12,800 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:15:12,800 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:15:12,801 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:15:12,801 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:15:12,802 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:15:12,807 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:15:12,807 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 22:15:12,808 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:15:12,808 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:15:12,808 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:15:12,809 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:15:12,809 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:15:12,810 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:15:12,810 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:15:12,810 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:15:12,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:15:12,812 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:15:12,812 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:15:12,812 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:15:12,812 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:15:12,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:15:12,813 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:15:12,813 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:15:12,814 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:15:12,815 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:15:12,815 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a256fbb-01fe-408e-9061-beb825eaae0b/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a256fbb-01fe-408e-9061-beb825eaae0b/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58a3707e98508adde0e15b9d8e43fa1e77573e5478a67cbc9ef6d2cbcb9307e7 [2024-10-31 22:15:13,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:15:13,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:15:13,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:15:13,224 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:15:13,225 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:15:13,226 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a256fbb-01fe-408e-9061-beb825eaae0b/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/weaver/chl-match-trans.wvr.c Unable to find full path for "g++" [2024-10-31 22:15:15,323 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:15:15,569 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:15:15,569 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a256fbb-01fe-408e-9061-beb825eaae0b/sv-benchmarks/c/weaver/chl-match-trans.wvr.c [2024-10-31 22:15:15,588 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a256fbb-01fe-408e-9061-beb825eaae0b/bin/uautomizer-verify-4GaUIPS5ZU/data/0f7d27935/afb61386b4c84c22bca038c4576d1e8e/FLAG1a00f30d1 [2024-10-31 22:15:15,615 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a256fbb-01fe-408e-9061-beb825eaae0b/bin/uautomizer-verify-4GaUIPS5ZU/data/0f7d27935/afb61386b4c84c22bca038c4576d1e8e [2024-10-31 22:15:15,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:15:15,620 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:15:15,624 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:15:15,625 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:15:15,633 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:15:15,634 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:15:15" (1/1) ... [2024-10-31 22:15:15,636 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a713f4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:15, skipping insertion in model container [2024-10-31 22:15:15,636 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:15:15" (1/1) ... [2024-10-31 22:15:15,676 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:15:16,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:15:16,041 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:15:16,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:15:16,097 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:15:16,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:16 WrapperNode [2024-10-31 22:15:16,098 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:15:16,101 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:15:16,101 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:15:16,101 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:15:16,115 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:16" (1/1) ... [2024-10-31 22:15:16,130 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:16" (1/1) ... [2024-10-31 22:15:16,178 INFO L138 Inliner]: procedures = 22, calls = 19, calls flagged for inlining = 12, calls inlined = 22, statements flattened = 319 [2024-10-31 22:15:16,179 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:15:16,179 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:15:16,180 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:15:16,180 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:15:16,196 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:16" (1/1) ... [2024-10-31 22:15:16,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:16" (1/1) ... [2024-10-31 22:15:16,205 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:16" (1/1) ... [2024-10-31 22:15:16,206 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:16" (1/1) ... [2024-10-31 22:15:16,238 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:16" (1/1) ... [2024-10-31 22:15:16,244 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:16" (1/1) ... [2024-10-31 22:15:16,247 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:16" (1/1) ... [2024-10-31 22:15:16,253 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:16" (1/1) ... [2024-10-31 22:15:16,257 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:15:16,258 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:15:16,259 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:15:16,259 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:15:16,261 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:16" (1/1) ... [2024-10-31 22:15:16,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:15:16,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a256fbb-01fe-408e-9061-beb825eaae0b/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:16,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a256fbb-01fe-408e-9061-beb825eaae0b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:16,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a256fbb-01fe-408e-9061-beb825eaae0b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:15:16,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:15:16,375 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-31 22:15:16,375 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-31 22:15:16,375 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-31 22:15:16,375 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-31 22:15:16,375 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-31 22:15:16,376 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-31 22:15:16,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:15:16,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:15:16,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:15:16,378 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 22:15:16,514 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:15:16,517 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:15:17,358 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:15:17,358 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:15:17,396 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:15:17,396 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:15:17,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:15:17 BoogieIcfgContainer [2024-10-31 22:15:17,397 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:15:17,400 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:15:17,402 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:15:17,406 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:15:17,406 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:15:15" (1/3) ... [2024-10-31 22:15:17,407 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ae34427 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:15:17, skipping insertion in model container [2024-10-31 22:15:17,408 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:16" (2/3) ... [2024-10-31 22:15:17,408 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ae34427 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:15:17, skipping insertion in model container [2024-10-31 22:15:17,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:15:17" (3/3) ... [2024-10-31 22:15:17,410 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-match-trans.wvr.c [2024-10-31 22:15:17,436 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:15:17,436 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 39 error locations. [2024-10-31 22:15:17,436 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:15:17,589 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-31 22:15:17,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 437 places, 445 transitions, 911 flow [2024-10-31 22:15:18,055 INFO L124 PetriNetUnfolderBase]: 18/442 cut-off events. [2024-10-31 22:15:18,055 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-31 22:15:18,073 INFO L83 FinitePrefix]: Finished finitePrefix Result has 455 conditions, 442 events. 18/442 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 775 event pairs, 0 based on Foata normal form. 0/385 useless extension candidates. Maximal degree in co-relation 311. Up to 2 conditions per place. [2024-10-31 22:15:18,073 INFO L82 GeneralOperation]: Start removeDead. Operand has 437 places, 445 transitions, 911 flow [2024-10-31 22:15:18,091 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 415 places, 421 transitions, 860 flow [2024-10-31 22:15:18,107 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:15:18,119 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;@4e1de90, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:15:18,119 INFO L334 AbstractCegarLoop]: Starting to check reachability of 69 error locations. [2024-10-31 22:15:18,125 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:15:18,126 INFO L124 PetriNetUnfolderBase]: 0/28 cut-off events. [2024-10-31 22:15:18,126 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:15:18,126 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:18,127 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] [2024-10-31 22:15:18,127 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-10-31 22:15:18,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:18,136 INFO L85 PathProgramCache]: Analyzing trace with hash 390371777, now seen corresponding path program 1 times [2024-10-31 22:15:18,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:18,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796674887] [2024-10-31 22:15:18,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:18,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:18,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:18,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:18,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796674887] [2024-10-31 22:15:18,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796674887] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:18,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:18,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:18,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253474903] [2024-10-31 22:15:18,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:18,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:18,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:18,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:18,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:18,552 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 414 out of 445 [2024-10-31 22:15:18,562 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 415 places, 421 transitions, 860 flow. Second operand has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 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) [2024-10-31 22:15:18,563 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:18,563 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 414 of 445 [2024-10-31 22:15:18,564 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:18,979 INFO L124 PetriNetUnfolderBase]: 20/802 cut-off events. [2024-10-31 22:15:18,979 INFO L125 PetriNetUnfolderBase]: For 26/30 co-relation queries the response was YES. [2024-10-31 22:15:18,986 INFO L83 FinitePrefix]: Finished finitePrefix Result has 867 conditions, 802 events. 20/802 cut-off events. For 26/30 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2858 event pairs, 12 based on Foata normal form. 75/765 useless extension candidates. Maximal degree in co-relation 704. Up to 38 conditions per place. [2024-10-31 22:15:18,993 INFO L140 encePairwiseOnDemand]: 430/445 looper letters, 13 selfloop transitions, 2 changer transitions 0/408 dead transitions. [2024-10-31 22:15:18,993 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 416 places, 408 transitions, 864 flow [2024-10-31 22:15:18,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:18,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:19,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1270 transitions. [2024-10-31 22:15:19,012 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.951310861423221 [2024-10-31 22:15:19,016 INFO L175 Difference]: Start difference. First operand has 415 places, 421 transitions, 860 flow. Second operand 3 states and 1270 transitions. [2024-10-31 22:15:19,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 416 places, 408 transitions, 864 flow [2024-10-31 22:15:19,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 410 places, 408 transitions, 852 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-10-31 22:15:19,035 INFO L231 Difference]: Finished difference. Result has 410 places, 408 transitions, 826 flow [2024-10-31 22:15:19,038 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=822, PETRI_DIFFERENCE_MINUEND_PLACES=408, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=406, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=826, PETRI_PLACES=410, PETRI_TRANSITIONS=408} [2024-10-31 22:15:19,044 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -5 predicate places. [2024-10-31 22:15:19,044 INFO L471 AbstractCegarLoop]: Abstraction has has 410 places, 408 transitions, 826 flow [2024-10-31 22:15:19,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 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) [2024-10-31 22:15:19,046 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:19,046 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] [2024-10-31 22:15:19,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:15:19,047 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-10-31 22:15:19,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:19,052 INFO L85 PathProgramCache]: Analyzing trace with hash -547964183, now seen corresponding path program 1 times [2024-10-31 22:15:19,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:19,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945278938] [2024-10-31 22:15:19,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:19,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:19,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:19,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:19,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:19,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945278938] [2024-10-31 22:15:19,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945278938] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:19,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:19,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:19,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496528238] [2024-10-31 22:15:19,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:19,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:19,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:19,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:19,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:19,178 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 445 [2024-10-31 22:15:19,180 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 410 places, 408 transitions, 826 flow. Second operand has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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) [2024-10-31 22:15:19,180 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:19,180 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 445 [2024-10-31 22:15:19,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:19,435 INFO L124 PetriNetUnfolderBase]: 12/681 cut-off events. [2024-10-31 22:15:19,435 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-31 22:15:19,440 INFO L83 FinitePrefix]: Finished finitePrefix Result has 714 conditions, 681 events. 12/681 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2562 event pairs, 5 based on Foata normal form. 0/585 useless extension candidates. Maximal degree in co-relation 677. Up to 22 conditions per place. [2024-10-31 22:15:19,444 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 11 selfloop transitions, 2 changer transitions 0/407 dead transitions. [2024-10-31 22:15:19,445 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 411 places, 407 transitions, 850 flow [2024-10-31 22:15:19,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:19,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:19,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1262 transitions. [2024-10-31 22:15:19,450 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9453183520599251 [2024-10-31 22:15:19,450 INFO L175 Difference]: Start difference. First operand has 410 places, 408 transitions, 826 flow. Second operand 3 states and 1262 transitions. [2024-10-31 22:15:19,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 411 places, 407 transitions, 850 flow [2024-10-31 22:15:19,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 407 transitions, 846 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:15:19,462 INFO L231 Difference]: Finished difference. Result has 409 places, 407 transitions, 824 flow [2024-10-31 22:15:19,463 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=820, PETRI_DIFFERENCE_MINUEND_PLACES=407, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=407, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=405, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=824, PETRI_PLACES=409, PETRI_TRANSITIONS=407} [2024-10-31 22:15:19,464 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -6 predicate places. [2024-10-31 22:15:19,464 INFO L471 AbstractCegarLoop]: Abstraction has has 409 places, 407 transitions, 824 flow [2024-10-31 22:15:19,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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) [2024-10-31 22:15:19,466 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:19,466 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:19,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:15:19,467 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-10-31 22:15:19,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:19,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1519254541, now seen corresponding path program 1 times [2024-10-31 22:15:19,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:19,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690300140] [2024-10-31 22:15:19,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:19,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:19,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:19,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:19,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690300140] [2024-10-31 22:15:19,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690300140] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:19,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:19,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:19,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047942060] [2024-10-31 22:15:19,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:19,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:19,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:19,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:19,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:19,609 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 445 [2024-10-31 22:15:19,611 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 407 transitions, 824 flow. Second operand has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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) [2024-10-31 22:15:19,611 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:19,611 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 445 [2024-10-31 22:15:19,611 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:19,796 INFO L124 PetriNetUnfolderBase]: 12/671 cut-off events. [2024-10-31 22:15:19,797 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-31 22:15:19,807 INFO L83 FinitePrefix]: Finished finitePrefix Result has 704 conditions, 671 events. 12/671 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2500 event pairs, 5 based on Foata normal form. 0/579 useless extension candidates. Maximal degree in co-relation 659. Up to 22 conditions per place. [2024-10-31 22:15:19,811 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 11 selfloop transitions, 2 changer transitions 0/406 dead transitions. [2024-10-31 22:15:19,811 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 406 transitions, 848 flow [2024-10-31 22:15:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:19,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:19,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1262 transitions. [2024-10-31 22:15:19,817 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9453183520599251 [2024-10-31 22:15:19,817 INFO L175 Difference]: Start difference. First operand has 409 places, 407 transitions, 824 flow. Second operand 3 states and 1262 transitions. [2024-10-31 22:15:19,817 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 406 transitions, 848 flow [2024-10-31 22:15:19,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 408 places, 406 transitions, 844 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:15:19,825 INFO L231 Difference]: Finished difference. Result has 408 places, 406 transitions, 822 flow [2024-10-31 22:15:19,826 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=818, PETRI_DIFFERENCE_MINUEND_PLACES=406, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=822, PETRI_PLACES=408, PETRI_TRANSITIONS=406} [2024-10-31 22:15:19,828 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -7 predicate places. [2024-10-31 22:15:19,828 INFO L471 AbstractCegarLoop]: Abstraction has has 408 places, 406 transitions, 822 flow [2024-10-31 22:15:19,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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) [2024-10-31 22:15:19,829 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:19,830 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] [2024-10-31 22:15:19,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:15:19,831 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-10-31 22:15:19,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:19,833 INFO L85 PathProgramCache]: Analyzing trace with hash 633941745, now seen corresponding path program 1 times [2024-10-31 22:15:19,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:19,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296700603] [2024-10-31 22:15:19,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:19,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:19,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:19,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:19,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:19,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296700603] [2024-10-31 22:15:19,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296700603] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:19,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:19,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:19,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988201220] [2024-10-31 22:15:19,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:19,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:19,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:19,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:19,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:19,962 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 414 out of 445 [2024-10-31 22:15:19,964 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 408 places, 406 transitions, 822 flow. Second operand has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 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) [2024-10-31 22:15:19,964 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:19,964 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 414 of 445 [2024-10-31 22:15:19,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:20,448 INFO L124 PetriNetUnfolderBase]: 34/1363 cut-off events. [2024-10-31 22:15:20,449 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-10-31 22:15:20,458 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1432 conditions, 1363 events. 34/1363 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 6095 event pairs, 20 based on Foata normal form. 0/1167 useless extension candidates. Maximal degree in co-relation 1379. Up to 50 conditions per place. [2024-10-31 22:15:20,467 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 13 selfloop transitions, 2 changer transitions 0/405 dead transitions. [2024-10-31 22:15:20,467 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 405 transitions, 850 flow [2024-10-31 22:15:20,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:20,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:20,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1258 transitions. [2024-10-31 22:15:20,475 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9423220973782771 [2024-10-31 22:15:20,475 INFO L175 Difference]: Start difference. First operand has 408 places, 406 transitions, 822 flow. Second operand 3 states and 1258 transitions. [2024-10-31 22:15:20,475 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 405 transitions, 850 flow [2024-10-31 22:15:20,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 405 transitions, 846 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:15:20,483 INFO L231 Difference]: Finished difference. Result has 407 places, 405 transitions, 820 flow [2024-10-31 22:15:20,484 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=816, PETRI_DIFFERENCE_MINUEND_PLACES=405, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=405, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=403, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=820, PETRI_PLACES=407, PETRI_TRANSITIONS=405} [2024-10-31 22:15:20,489 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -8 predicate places. [2024-10-31 22:15:20,490 INFO L471 AbstractCegarLoop]: Abstraction has has 407 places, 405 transitions, 820 flow [2024-10-31 22:15:20,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 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) [2024-10-31 22:15:20,491 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:20,491 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] [2024-10-31 22:15:20,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:15:20,492 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-10-31 22:15:20,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:20,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1120803467, now seen corresponding path program 1 times [2024-10-31 22:15:20,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:20,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319444632] [2024-10-31 22:15:20,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:20,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:20,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:20,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:20,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319444632] [2024-10-31 22:15:20,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319444632] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:20,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:20,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:20,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974112515] [2024-10-31 22:15:20,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:20,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:20,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:20,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:20,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:20,628 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 445 [2024-10-31 22:15:20,630 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 407 places, 405 transitions, 820 flow. Second operand has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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) [2024-10-31 22:15:20,631 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:20,631 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 445 [2024-10-31 22:15:20,631 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:20,936 INFO L124 PetriNetUnfolderBase]: 16/867 cut-off events. [2024-10-31 22:15:20,936 INFO L125 PetriNetUnfolderBase]: For 3/6 co-relation queries the response was YES. [2024-10-31 22:15:20,943 INFO L83 FinitePrefix]: Finished finitePrefix Result has 905 conditions, 867 events. 16/867 cut-off events. For 3/6 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3219 event pairs, 7 based on Foata normal form. 0/741 useless extension candidates. Maximal degree in co-relation 844. Up to 25 conditions per place. [2024-10-31 22:15:20,952 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 11 selfloop transitions, 2 changer transitions 0/404 dead transitions. [2024-10-31 22:15:20,952 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 408 places, 404 transitions, 844 flow [2024-10-31 22:15:20,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:20,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:20,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1262 transitions. [2024-10-31 22:15:20,956 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9453183520599251 [2024-10-31 22:15:20,960 INFO L175 Difference]: Start difference. First operand has 407 places, 405 transitions, 820 flow. Second operand 3 states and 1262 transitions. [2024-10-31 22:15:20,960 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 408 places, 404 transitions, 844 flow [2024-10-31 22:15:20,964 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 406 places, 404 transitions, 840 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:15:20,976 INFO L231 Difference]: Finished difference. Result has 406 places, 404 transitions, 818 flow [2024-10-31 22:15:20,977 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=814, PETRI_DIFFERENCE_MINUEND_PLACES=404, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=404, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=818, PETRI_PLACES=406, PETRI_TRANSITIONS=404} [2024-10-31 22:15:20,978 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -9 predicate places. [2024-10-31 22:15:20,978 INFO L471 AbstractCegarLoop]: Abstraction has has 406 places, 404 transitions, 818 flow [2024-10-31 22:15:20,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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) [2024-10-31 22:15:20,982 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:20,982 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] [2024-10-31 22:15:20,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:15:20,983 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-10-31 22:15:20,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:20,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1040645728, now seen corresponding path program 1 times [2024-10-31 22:15:20,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:20,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557953860] [2024-10-31 22:15:20,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:20,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:21,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:21,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:21,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:21,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557953860] [2024-10-31 22:15:21,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557953860] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:21,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:21,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:21,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574911658] [2024-10-31 22:15:21,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:21,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:21,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:21,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:21,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:21,151 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 445 [2024-10-31 22:15:21,154 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 404 transitions, 818 flow. Second operand has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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) [2024-10-31 22:15:21,154 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:21,154 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 445 [2024-10-31 22:15:21,155 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:21,533 INFO L124 PetriNetUnfolderBase]: 16/857 cut-off events. [2024-10-31 22:15:21,534 INFO L125 PetriNetUnfolderBase]: For 3/6 co-relation queries the response was YES. [2024-10-31 22:15:21,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 895 conditions, 857 events. 16/857 cut-off events. For 3/6 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3182 event pairs, 7 based on Foata normal form. 0/735 useless extension candidates. Maximal degree in co-relation 826. Up to 25 conditions per place. [2024-10-31 22:15:21,547 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 11 selfloop transitions, 2 changer transitions 0/403 dead transitions. [2024-10-31 22:15:21,547 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 407 places, 403 transitions, 842 flow [2024-10-31 22:15:21,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:21,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:21,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1262 transitions. [2024-10-31 22:15:21,551 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9453183520599251 [2024-10-31 22:15:21,551 INFO L175 Difference]: Start difference. First operand has 406 places, 404 transitions, 818 flow. Second operand 3 states and 1262 transitions. [2024-10-31 22:15:21,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 407 places, 403 transitions, 842 flow [2024-10-31 22:15:21,555 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 405 places, 403 transitions, 838 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:15:21,560 INFO L231 Difference]: Finished difference. Result has 405 places, 403 transitions, 816 flow [2024-10-31 22:15:21,561 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=812, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=403, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=401, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=816, PETRI_PLACES=405, PETRI_TRANSITIONS=403} [2024-10-31 22:15:21,564 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -10 predicate places. [2024-10-31 22:15:21,564 INFO L471 AbstractCegarLoop]: Abstraction has has 405 places, 403 transitions, 816 flow [2024-10-31 22:15:21,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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) [2024-10-31 22:15:21,566 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:21,566 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:21,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:15:21,567 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-10-31 22:15:21,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:21,567 INFO L85 PathProgramCache]: Analyzing trace with hash 681543619, now seen corresponding path program 1 times [2024-10-31 22:15:21,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:21,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095337349] [2024-10-31 22:15:21,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:21,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:21,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:21,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:21,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:21,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095337349] [2024-10-31 22:15:21,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095337349] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:21,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:21,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:21,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881996323] [2024-10-31 22:15:21,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:21,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:21,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:21,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:21,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:21,698 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 414 out of 445 [2024-10-31 22:15:21,700 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 403 transitions, 816 flow. Second operand has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 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) [2024-10-31 22:15:21,701 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:21,701 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 414 of 445 [2024-10-31 22:15:21,701 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:21,877 INFO L124 PetriNetUnfolderBase]: 27/638 cut-off events. [2024-10-31 22:15:21,877 INFO L125 PetriNetUnfolderBase]: For 9/12 co-relation queries the response was YES. [2024-10-31 22:15:21,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 699 conditions, 638 events. 27/638 cut-off events. For 9/12 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2309 event pairs, 20 based on Foata normal form. 0/557 useless extension candidates. Maximal degree in co-relation 622. Up to 50 conditions per place. [2024-10-31 22:15:21,886 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 13 selfloop transitions, 2 changer transitions 0/402 dead transitions. [2024-10-31 22:15:21,887 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 402 transitions, 844 flow [2024-10-31 22:15:21,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:21,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:21,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1258 transitions. [2024-10-31 22:15:21,890 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9423220973782771 [2024-10-31 22:15:21,890 INFO L175 Difference]: Start difference. First operand has 405 places, 403 transitions, 816 flow. Second operand 3 states and 1258 transitions. [2024-10-31 22:15:21,890 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 402 transitions, 844 flow [2024-10-31 22:15:21,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 402 transitions, 840 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:15:21,898 INFO L231 Difference]: Finished difference. Result has 404 places, 402 transitions, 814 flow [2024-10-31 22:15:21,899 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=810, PETRI_DIFFERENCE_MINUEND_PLACES=402, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=402, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=400, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=814, PETRI_PLACES=404, PETRI_TRANSITIONS=402} [2024-10-31 22:15:21,899 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -11 predicate places. [2024-10-31 22:15:21,899 INFO L471 AbstractCegarLoop]: Abstraction has has 404 places, 402 transitions, 814 flow [2024-10-31 22:15:21,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 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) [2024-10-31 22:15:21,901 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:21,901 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:21,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:15:21,902 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-10-31 22:15:21,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:21,902 INFO L85 PathProgramCache]: Analyzing trace with hash -475369336, now seen corresponding path program 1 times [2024-10-31 22:15:21,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:21,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562540363] [2024-10-31 22:15:21,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:21,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:21,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:21,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:21,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:21,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562540363] [2024-10-31 22:15:21,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562540363] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:21,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:21,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:21,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285956107] [2024-10-31 22:15:21,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:21,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:21,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:21,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:21,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:21,977 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 445 [2024-10-31 22:15:21,979 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 402 transitions, 814 flow. Second operand has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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) [2024-10-31 22:15:21,979 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:21,980 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 445 [2024-10-31 22:15:21,980 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:22,141 INFO L124 PetriNetUnfolderBase]: 15/673 cut-off events. [2024-10-31 22:15:22,141 INFO L125 PetriNetUnfolderBase]: For 6/15 co-relation queries the response was YES. [2024-10-31 22:15:22,146 INFO L83 FinitePrefix]: Finished finitePrefix Result has 708 conditions, 673 events. 15/673 cut-off events. For 6/15 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1777 event pairs, 7 based on Foata normal form. 0/580 useless extension candidates. Maximal degree in co-relation 623. Up to 25 conditions per place. [2024-10-31 22:15:22,150 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 11 selfloop transitions, 2 changer transitions 0/401 dead transitions. [2024-10-31 22:15:22,151 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 401 transitions, 838 flow [2024-10-31 22:15:22,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:22,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:22,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1262 transitions. [2024-10-31 22:15:22,154 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9453183520599251 [2024-10-31 22:15:22,155 INFO L175 Difference]: Start difference. First operand has 404 places, 402 transitions, 814 flow. Second operand 3 states and 1262 transitions. [2024-10-31 22:15:22,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 405 places, 401 transitions, 838 flow [2024-10-31 22:15:22,158 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 403 places, 401 transitions, 834 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:15:22,163 INFO L231 Difference]: Finished difference. Result has 403 places, 401 transitions, 812 flow [2024-10-31 22:15:22,164 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=808, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=399, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=812, PETRI_PLACES=403, PETRI_TRANSITIONS=401} [2024-10-31 22:15:22,164 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -12 predicate places. [2024-10-31 22:15:22,165 INFO L471 AbstractCegarLoop]: Abstraction has has 403 places, 401 transitions, 812 flow [2024-10-31 22:15:22,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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) [2024-10-31 22:15:22,166 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:22,166 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:22,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:15:22,167 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-10-31 22:15:22,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:22,167 INFO L85 PathProgramCache]: Analyzing trace with hash -968794602, now seen corresponding path program 1 times [2024-10-31 22:15:22,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:22,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484955006] [2024-10-31 22:15:22,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:22,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:22,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:22,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:22,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484955006] [2024-10-31 22:15:22,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484955006] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:22,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:22,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:22,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629273993] [2024-10-31 22:15:22,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:22,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:22,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:22,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:22,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:22,245 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 445 [2024-10-31 22:15:22,247 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 401 transitions, 812 flow. Second operand has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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) [2024-10-31 22:15:22,247 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:22,247 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 445 [2024-10-31 22:15:22,247 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:22,400 INFO L124 PetriNetUnfolderBase]: 15/663 cut-off events. [2024-10-31 22:15:22,400 INFO L125 PetriNetUnfolderBase]: For 6/15 co-relation queries the response was YES. [2024-10-31 22:15:22,405 INFO L83 FinitePrefix]: Finished finitePrefix Result has 698 conditions, 663 events. 15/663 cut-off events. For 6/15 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1740 event pairs, 7 based on Foata normal form. 0/574 useless extension candidates. Maximal degree in co-relation 605. Up to 25 conditions per place. [2024-10-31 22:15:22,410 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 11 selfloop transitions, 2 changer transitions 0/400 dead transitions. [2024-10-31 22:15:22,410 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 400 transitions, 836 flow [2024-10-31 22:15:22,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:22,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:22,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1262 transitions. [2024-10-31 22:15:22,413 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9453183520599251 [2024-10-31 22:15:22,413 INFO L175 Difference]: Start difference. First operand has 403 places, 401 transitions, 812 flow. Second operand 3 states and 1262 transitions. [2024-10-31 22:15:22,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 400 transitions, 836 flow [2024-10-31 22:15:22,417 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 400 transitions, 832 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:15:22,421 INFO L231 Difference]: Finished difference. Result has 402 places, 400 transitions, 810 flow [2024-10-31 22:15:22,422 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=806, PETRI_DIFFERENCE_MINUEND_PLACES=400, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=400, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=810, PETRI_PLACES=402, PETRI_TRANSITIONS=400} [2024-10-31 22:15:22,423 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -13 predicate places. [2024-10-31 22:15:22,424 INFO L471 AbstractCegarLoop]: Abstraction has has 402 places, 400 transitions, 810 flow [2024-10-31 22:15:22,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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) [2024-10-31 22:15:22,425 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:22,425 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:22,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-31 22:15:22,426 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-10-31 22:15:22,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:22,426 INFO L85 PathProgramCache]: Analyzing trace with hash 479133799, now seen corresponding path program 1 times [2024-10-31 22:15:22,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:22,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925831181] [2024-10-31 22:15:22,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:22,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:22,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:22,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:22,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925831181] [2024-10-31 22:15:22,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925831181] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:22,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:22,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:22,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114323892] [2024-10-31 22:15:22,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:22,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:22,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:22,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:22,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:22,534 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 445 [2024-10-31 22:15:22,536 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 400 transitions, 810 flow. Second operand has 3 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 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) [2024-10-31 22:15:22,536 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:22,536 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 445 [2024-10-31 22:15:22,536 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:22,761 INFO L124 PetriNetUnfolderBase]: 21/852 cut-off events. [2024-10-31 22:15:22,761 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-10-31 22:15:22,771 INFO L83 FinitePrefix]: Finished finitePrefix Result has 899 conditions, 852 events. 21/852 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 3574 event pairs, 6 based on Foata normal form. 0/740 useless extension candidates. Maximal degree in co-relation 798. Up to 31 conditions per place. [2024-10-31 22:15:22,777 INFO L140 encePairwiseOnDemand]: 441/445 looper letters, 13 selfloop transitions, 2 changer transitions 0/402 dead transitions. [2024-10-31 22:15:22,777 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 402 transitions, 846 flow [2024-10-31 22:15:22,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:22,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:22,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2024-10-31 22:15:22,781 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9520599250936329 [2024-10-31 22:15:22,781 INFO L175 Difference]: Start difference. First operand has 402 places, 400 transitions, 810 flow. Second operand 3 states and 1271 transitions. [2024-10-31 22:15:22,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 402 transitions, 846 flow [2024-10-31 22:15:22,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 402 transitions, 842 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:15:22,790 INFO L231 Difference]: Finished difference. Result has 401 places, 400 transitions, 816 flow [2024-10-31 22:15:22,792 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=802, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=816, PETRI_PLACES=401, PETRI_TRANSITIONS=400} [2024-10-31 22:15:22,793 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -14 predicate places. [2024-10-31 22:15:22,793 INFO L471 AbstractCegarLoop]: Abstraction has has 401 places, 400 transitions, 816 flow [2024-10-31 22:15:22,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 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) [2024-10-31 22:15:22,794 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:22,795 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:22,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-31 22:15:22,795 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-10-31 22:15:22,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:22,796 INFO L85 PathProgramCache]: Analyzing trace with hash 886112137, now seen corresponding path program 1 times [2024-10-31 22:15:22,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:22,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672840516] [2024-10-31 22:15:22,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:22,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:22,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:22,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:22,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672840516] [2024-10-31 22:15:22,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672840516] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:22,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:22,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:22,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186924817] [2024-10-31 22:15:22,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:22,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:22,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:22,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:22,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:22,896 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 445 [2024-10-31 22:15:22,898 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 401 places, 400 transitions, 816 flow. Second operand has 3 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 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) [2024-10-31 22:15:22,898 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:22,898 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 445 [2024-10-31 22:15:22,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:23,150 INFO L124 PetriNetUnfolderBase]: 24/1006 cut-off events. [2024-10-31 22:15:23,151 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-31 22:15:23,161 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1059 conditions, 1006 events. 24/1006 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 4949 event pairs, 6 based on Foata normal form. 0/877 useless extension candidates. Maximal degree in co-relation 857. Up to 33 conditions per place. [2024-10-31 22:15:23,167 INFO L140 encePairwiseOnDemand]: 441/445 looper letters, 13 selfloop transitions, 2 changer transitions 0/402 dead transitions. [2024-10-31 22:15:23,167 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 402 transitions, 852 flow [2024-10-31 22:15:23,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:23,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:23,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2024-10-31 22:15:23,170 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9520599250936329 [2024-10-31 22:15:23,171 INFO L175 Difference]: Start difference. First operand has 401 places, 400 transitions, 816 flow. Second operand 3 states and 1271 transitions. [2024-10-31 22:15:23,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 402 transitions, 852 flow [2024-10-31 22:15:23,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 402 transitions, 852 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:15:23,178 INFO L231 Difference]: Finished difference. Result has 402 places, 400 transitions, 826 flow [2024-10-31 22:15:23,179 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=812, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=826, PETRI_PLACES=402, PETRI_TRANSITIONS=400} [2024-10-31 22:15:23,179 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -13 predicate places. [2024-10-31 22:15:23,180 INFO L471 AbstractCegarLoop]: Abstraction has has 402 places, 400 transitions, 826 flow [2024-10-31 22:15:23,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 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) [2024-10-31 22:15:23,181 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:23,181 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:23,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-31 22:15:23,182 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-10-31 22:15:23,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:23,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1509085817, now seen corresponding path program 1 times [2024-10-31 22:15:23,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:23,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227423805] [2024-10-31 22:15:23,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:23,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:23,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:23,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:23,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:23,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227423805] [2024-10-31 22:15:23,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227423805] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:23,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:23,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:23,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333005384] [2024-10-31 22:15:23,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:23,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:23,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:23,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:23,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:23,243 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 445 [2024-10-31 22:15:23,245 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 400 transitions, 826 flow. Second operand has 3 states, 3 states have (on average 419.6666666666667) internal successors, (1259), 3 states have internal predecessors, (1259), 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) [2024-10-31 22:15:23,245 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:23,245 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 445 [2024-10-31 22:15:23,246 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:23,642 INFO L124 PetriNetUnfolderBase]: 44/1634 cut-off events. [2024-10-31 22:15:23,643 INFO L125 PetriNetUnfolderBase]: For 4/8 co-relation queries the response was YES. [2024-10-31 22:15:23,655 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1728 conditions, 1634 events. 44/1634 cut-off events. For 4/8 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 10892 event pairs, 11 based on Foata normal form. 0/1413 useless extension candidates. Maximal degree in co-relation 1432. Up to 43 conditions per place. [2024-10-31 22:15:23,664 INFO L140 encePairwiseOnDemand]: 441/445 looper letters, 13 selfloop transitions, 2 changer transitions 0/402 dead transitions. [2024-10-31 22:15:23,665 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 402 transitions, 862 flow [2024-10-31 22:15:23,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:23,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:23,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2024-10-31 22:15:23,669 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9520599250936329 [2024-10-31 22:15:23,669 INFO L175 Difference]: Start difference. First operand has 402 places, 400 transitions, 826 flow. Second operand 3 states and 1271 transitions. [2024-10-31 22:15:23,669 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 402 transitions, 862 flow [2024-10-31 22:15:23,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 402 transitions, 862 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:15:23,679 INFO L231 Difference]: Finished difference. Result has 403 places, 400 transitions, 836 flow [2024-10-31 22:15:23,680 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=822, PETRI_DIFFERENCE_MINUEND_PLACES=400, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=836, PETRI_PLACES=403, PETRI_TRANSITIONS=400} [2024-10-31 22:15:23,680 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -12 predicate places. [2024-10-31 22:15:23,681 INFO L471 AbstractCegarLoop]: Abstraction has has 403 places, 400 transitions, 836 flow [2024-10-31 22:15:23,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.6666666666667) internal successors, (1259), 3 states have internal predecessors, (1259), 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) [2024-10-31 22:15:23,682 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:23,682 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:23,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-31 22:15:23,683 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-10-31 22:15:23,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:23,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1467440933, now seen corresponding path program 1 times [2024-10-31 22:15:23,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:23,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607067967] [2024-10-31 22:15:23,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:23,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:23,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:23,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:23,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:23,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607067967] [2024-10-31 22:15:23,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607067967] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:23,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:23,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:23,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92940900] [2024-10-31 22:15:23,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:23,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:23,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:23,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:23,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:23,761 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 445 [2024-10-31 22:15:23,763 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 400 transitions, 836 flow. Second operand has 3 states, 3 states have (on average 419.6666666666667) internal successors, (1259), 3 states have internal predecessors, (1259), 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) [2024-10-31 22:15:23,763 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:23,763 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 445 [2024-10-31 22:15:23,764 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:24,088 INFO L124 PetriNetUnfolderBase]: 42/1269 cut-off events. [2024-10-31 22:15:24,088 INFO L125 PetriNetUnfolderBase]: For 5/7 co-relation queries the response was YES. [2024-10-31 22:15:24,103 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1363 conditions, 1269 events. 42/1269 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 7597 event pairs, 5 based on Foata normal form. 0/1101 useless extension candidates. Maximal degree in co-relation 1159. Up to 50 conditions per place. [2024-10-31 22:15:24,111 INFO L140 encePairwiseOnDemand]: 441/445 looper letters, 13 selfloop transitions, 2 changer transitions 0/402 dead transitions. [2024-10-31 22:15:24,111 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 402 transitions, 872 flow [2024-10-31 22:15:24,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:24,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:24,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2024-10-31 22:15:24,114 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9520599250936329 [2024-10-31 22:15:24,115 INFO L175 Difference]: Start difference. First operand has 403 places, 400 transitions, 836 flow. Second operand 3 states and 1271 transitions. [2024-10-31 22:15:24,115 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 402 transitions, 872 flow [2024-10-31 22:15:24,118 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 403 places, 402 transitions, 872 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:15:24,123 INFO L231 Difference]: Finished difference. Result has 404 places, 400 transitions, 846 flow [2024-10-31 22:15:24,124 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=832, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=846, PETRI_PLACES=404, PETRI_TRANSITIONS=400} [2024-10-31 22:15:24,125 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -11 predicate places. [2024-10-31 22:15:24,125 INFO L471 AbstractCegarLoop]: Abstraction has has 404 places, 400 transitions, 846 flow [2024-10-31 22:15:24,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.6666666666667) internal successors, (1259), 3 states have internal predecessors, (1259), 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) [2024-10-31 22:15:24,126 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:24,127 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:24,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-31 22:15:24,127 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-10-31 22:15:24,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:24,128 INFO L85 PathProgramCache]: Analyzing trace with hash 651751019, now seen corresponding path program 1 times [2024-10-31 22:15:24,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:24,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123975703] [2024-10-31 22:15:24,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:24,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:24,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:24,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:24,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:24,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123975703] [2024-10-31 22:15:24,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123975703] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:24,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:24,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:24,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775324354] [2024-10-31 22:15:24,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:24,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:24,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:24,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:24,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:24,210 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 445 [2024-10-31 22:15:24,212 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 400 transitions, 846 flow. Second operand has 3 states, 3 states have (on average 419.6666666666667) internal successors, (1259), 3 states have internal predecessors, (1259), 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) [2024-10-31 22:15:24,212 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:24,212 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 445 [2024-10-31 22:15:24,213 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:24,620 INFO L124 PetriNetUnfolderBase]: 61/1652 cut-off events. [2024-10-31 22:15:24,620 INFO L125 PetriNetUnfolderBase]: For 19/25 co-relation queries the response was YES. [2024-10-31 22:15:24,636 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1768 conditions, 1652 events. 61/1652 cut-off events. For 19/25 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 9967 event pairs, 18 based on Foata normal form. 0/1412 useless extension candidates. Maximal degree in co-relation 1523. Up to 70 conditions per place. [2024-10-31 22:15:24,647 INFO L140 encePairwiseOnDemand]: 441/445 looper letters, 13 selfloop transitions, 2 changer transitions 0/402 dead transitions. [2024-10-31 22:15:24,647 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 402 transitions, 882 flow [2024-10-31 22:15:24,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:24,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:24,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2024-10-31 22:15:24,654 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9520599250936329 [2024-10-31 22:15:24,654 INFO L175 Difference]: Start difference. First operand has 404 places, 400 transitions, 846 flow. Second operand 3 states and 1271 transitions. [2024-10-31 22:15:24,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 402 transitions, 882 flow [2024-10-31 22:15:24,659 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 402 transitions, 882 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:15:24,667 INFO L231 Difference]: Finished difference. Result has 405 places, 400 transitions, 856 flow [2024-10-31 22:15:24,668 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=842, PETRI_DIFFERENCE_MINUEND_PLACES=402, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=856, PETRI_PLACES=405, PETRI_TRANSITIONS=400} [2024-10-31 22:15:24,670 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -10 predicate places. [2024-10-31 22:15:24,670 INFO L471 AbstractCegarLoop]: Abstraction has has 405 places, 400 transitions, 856 flow [2024-10-31 22:15:24,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.6666666666667) internal successors, (1259), 3 states have internal predecessors, (1259), 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) [2024-10-31 22:15:24,671 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:24,671 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:24,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-31 22:15:24,672 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-10-31 22:15:24,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:24,672 INFO L85 PathProgramCache]: Analyzing trace with hash -732459891, now seen corresponding path program 1 times [2024-10-31 22:15:24,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:24,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646371174] [2024-10-31 22:15:24,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:24,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:24,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:24,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:24,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:24,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646371174] [2024-10-31 22:15:24,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646371174] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:24,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:24,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:24,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916709231] [2024-10-31 22:15:24,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:24,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:24,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:24,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:24,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:24,748 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 445 [2024-10-31 22:15:24,750 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 400 transitions, 856 flow. Second operand has 3 states, 3 states have (on average 419.6666666666667) internal successors, (1259), 3 states have internal predecessors, (1259), 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) [2024-10-31 22:15:24,750 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:24,750 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 445 [2024-10-31 22:15:24,751 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:25,145 INFO L124 PetriNetUnfolderBase]: 70/1820 cut-off events. [2024-10-31 22:15:25,145 INFO L125 PetriNetUnfolderBase]: For 21/27 co-relation queries the response was YES. [2024-10-31 22:15:25,161 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1961 conditions, 1820 events. 70/1820 cut-off events. For 21/27 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 11195 event pairs, 10 based on Foata normal form. 0/1568 useless extension candidates. Maximal degree in co-relation 1718. Up to 80 conditions per place. [2024-10-31 22:15:25,168 INFO L140 encePairwiseOnDemand]: 441/445 looper letters, 13 selfloop transitions, 2 changer transitions 0/402 dead transitions. [2024-10-31 22:15:25,169 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 402 transitions, 892 flow [2024-10-31 22:15:25,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:25,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:25,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2024-10-31 22:15:25,172 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9520599250936329 [2024-10-31 22:15:25,172 INFO L175 Difference]: Start difference. First operand has 405 places, 400 transitions, 856 flow. Second operand 3 states and 1271 transitions. [2024-10-31 22:15:25,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 405 places, 402 transitions, 892 flow [2024-10-31 22:15:25,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 405 places, 402 transitions, 892 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:15:25,179 INFO L231 Difference]: Finished difference. Result has 406 places, 400 transitions, 866 flow [2024-10-31 22:15:25,180 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=852, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=866, PETRI_PLACES=406, PETRI_TRANSITIONS=400} [2024-10-31 22:15:25,180 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -9 predicate places. [2024-10-31 22:15:25,180 INFO L471 AbstractCegarLoop]: Abstraction has has 406 places, 400 transitions, 866 flow [2024-10-31 22:15:25,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.6666666666667) internal successors, (1259), 3 states have internal predecessors, (1259), 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) [2024-10-31 22:15:25,181 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:25,181 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:25,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-31 22:15:25,182 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-10-31 22:15:25,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:25,182 INFO L85 PathProgramCache]: Analyzing trace with hash 212449739, now seen corresponding path program 1 times [2024-10-31 22:15:25,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:25,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457715718] [2024-10-31 22:15:25,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:25,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:25,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:25,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:25,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:25,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457715718] [2024-10-31 22:15:25,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457715718] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:25,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:25,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:25,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772246889] [2024-10-31 22:15:25,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:25,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:25,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:25,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:25,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:25,263 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 412 out of 445 [2024-10-31 22:15:25,264 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 400 transitions, 866 flow. Second operand has 3 states, 3 states have (on average 413.3333333333333) internal successors, (1240), 3 states have internal predecessors, (1240), 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) [2024-10-31 22:15:25,264 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:25,264 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 412 of 445 [2024-10-31 22:15:25,265 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:25,695 INFO L124 PetriNetUnfolderBase]: 178/1862 cut-off events. [2024-10-31 22:15:25,695 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2024-10-31 22:15:25,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2248 conditions, 1862 events. 178/1862 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 13026 event pairs, 84 based on Foata normal form. 0/1590 useless extension candidates. Maximal degree in co-relation 1917. Up to 293 conditions per place. [2024-10-31 22:15:25,719 INFO L140 encePairwiseOnDemand]: 439/445 looper letters, 17 selfloop transitions, 2 changer transitions 0/400 dead transitions. [2024-10-31 22:15:25,719 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 400 transitions, 906 flow [2024-10-31 22:15:25,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:25,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:25,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1259 transitions. [2024-10-31 22:15:25,723 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9430711610486892 [2024-10-31 22:15:25,723 INFO L175 Difference]: Start difference. First operand has 406 places, 400 transitions, 866 flow. Second operand 3 states and 1259 transitions. [2024-10-31 22:15:25,723 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 400 transitions, 906 flow [2024-10-31 22:15:25,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 400 transitions, 906 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:15:25,731 INFO L231 Difference]: Finished difference. Result has 405 places, 398 transitions, 872 flow [2024-10-31 22:15:25,732 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=858, PETRI_DIFFERENCE_MINUEND_PLACES=402, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=872, PETRI_PLACES=405, PETRI_TRANSITIONS=398} [2024-10-31 22:15:25,732 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -10 predicate places. [2024-10-31 22:15:25,733 INFO L471 AbstractCegarLoop]: Abstraction has has 405 places, 398 transitions, 872 flow [2024-10-31 22:15:25,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 413.3333333333333) internal successors, (1240), 3 states have internal predecessors, (1240), 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) [2024-10-31 22:15:25,734 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:25,734 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:25,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-31 22:15:25,735 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-10-31 22:15:25,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:25,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1994196883, now seen corresponding path program 1 times [2024-10-31 22:15:25,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:25,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136929059] [2024-10-31 22:15:25,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:25,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:25,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:25,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:25,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136929059] [2024-10-31 22:15:25,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136929059] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:25,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:25,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:25,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907191459] [2024-10-31 22:15:25,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:25,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:25,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:25,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:25,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:25,828 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 412 out of 445 [2024-10-31 22:15:25,830 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 398 transitions, 872 flow. Second operand has 3 states, 3 states have (on average 413.3333333333333) internal successors, (1240), 3 states have internal predecessors, (1240), 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) [2024-10-31 22:15:25,831 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:25,831 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 412 of 445 [2024-10-31 22:15:25,831 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:26,320 INFO L124 PetriNetUnfolderBase]: 123/1527 cut-off events. [2024-10-31 22:15:26,320 INFO L125 PetriNetUnfolderBase]: For 12/42 co-relation queries the response was YES. [2024-10-31 22:15:26,334 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1827 conditions, 1527 events. 123/1527 cut-off events. For 12/42 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 9568 event pairs, 28 based on Foata normal form. 1/1353 useless extension candidates. Maximal degree in co-relation 1543. Up to 152 conditions per place. [2024-10-31 22:15:26,341 INFO L140 encePairwiseOnDemand]: 439/445 looper letters, 17 selfloop transitions, 2 changer transitions 0/398 dead transitions. [2024-10-31 22:15:26,341 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 398 transitions, 912 flow [2024-10-31 22:15:26,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:26,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:26,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1259 transitions. [2024-10-31 22:15:26,345 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9430711610486892 [2024-10-31 22:15:26,345 INFO L175 Difference]: Start difference. First operand has 405 places, 398 transitions, 872 flow. Second operand 3 states and 1259 transitions. [2024-10-31 22:15:26,346 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 398 transitions, 912 flow [2024-10-31 22:15:26,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 403 places, 398 transitions, 912 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:15:26,355 INFO L231 Difference]: Finished difference. Result has 404 places, 396 transitions, 878 flow [2024-10-31 22:15:26,356 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=864, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=392, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=878, PETRI_PLACES=404, PETRI_TRANSITIONS=396} [2024-10-31 22:15:26,356 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -11 predicate places. [2024-10-31 22:15:26,356 INFO L471 AbstractCegarLoop]: Abstraction has has 404 places, 396 transitions, 878 flow [2024-10-31 22:15:26,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 413.3333333333333) internal successors, (1240), 3 states have internal predecessors, (1240), 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) [2024-10-31 22:15:26,358 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:26,359 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:26,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-31 22:15:26,359 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-10-31 22:15:26,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:26,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1779658794, now seen corresponding path program 1 times [2024-10-31 22:15:26,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:26,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661552647] [2024-10-31 22:15:26,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:26,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:26,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:26,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:26,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661552647] [2024-10-31 22:15:26,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661552647] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:26,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:26,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:26,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514998772] [2024-10-31 22:15:26,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:26,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:26,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:26,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:26,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:26,454 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 419 out of 445 [2024-10-31 22:15:26,456 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 396 transitions, 878 flow. Second operand has 3 states, 3 states have (on average 420.3333333333333) internal successors, (1261), 3 states have internal predecessors, (1261), 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) [2024-10-31 22:15:26,456 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:26,456 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 419 of 445 [2024-10-31 22:15:26,456 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:26,818 INFO L124 PetriNetUnfolderBase]: 60/1524 cut-off events. [2024-10-31 22:15:26,818 INFO L125 PetriNetUnfolderBase]: For 5/20 co-relation queries the response was YES. [2024-10-31 22:15:26,833 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1742 conditions, 1524 events. 60/1524 cut-off events. For 5/20 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 8498 event pairs, 8 based on Foata normal form. 2/1374 useless extension candidates. Maximal degree in co-relation 1416. Up to 38 conditions per place. [2024-10-31 22:15:26,839 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 11 selfloop transitions, 2 changer transitions 0/397 dead transitions. [2024-10-31 22:15:26,839 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 397 transitions, 908 flow [2024-10-31 22:15:26,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:26,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:26,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2024-10-31 22:15:26,842 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9520599250936329 [2024-10-31 22:15:26,842 INFO L175 Difference]: Start difference. First operand has 404 places, 396 transitions, 878 flow. Second operand 3 states and 1271 transitions. [2024-10-31 22:15:26,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 405 places, 397 transitions, 908 flow [2024-10-31 22:15:26,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 405 places, 397 transitions, 908 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:15:26,852 INFO L231 Difference]: Finished difference. Result has 405 places, 395 transitions, 880 flow [2024-10-31 22:15:26,852 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=876, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=395, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=880, PETRI_PLACES=405, PETRI_TRANSITIONS=395} [2024-10-31 22:15:26,854 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -10 predicate places. [2024-10-31 22:15:26,855 INFO L471 AbstractCegarLoop]: Abstraction has has 405 places, 395 transitions, 880 flow [2024-10-31 22:15:26,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 420.3333333333333) internal successors, (1261), 3 states have internal predecessors, (1261), 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) [2024-10-31 22:15:26,856 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:26,856 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:26,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-31 22:15:26,856 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-10-31 22:15:26,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:26,857 INFO L85 PathProgramCache]: Analyzing trace with hash 651125951, now seen corresponding path program 1 times [2024-10-31 22:15:26,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:26,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714216881] [2024-10-31 22:15:26,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:26,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:26,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:26,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:26,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714216881] [2024-10-31 22:15:26,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714216881] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:26,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:26,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:26,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849000492] [2024-10-31 22:15:26,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:26,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:26,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:26,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:26,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:26,948 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 412 out of 445 [2024-10-31 22:15:26,949 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 395 transitions, 880 flow. Second operand has 3 states, 3 states have (on average 413.6666666666667) internal successors, (1241), 3 states have internal predecessors, (1241), 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) [2024-10-31 22:15:26,950 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:26,950 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 412 of 445 [2024-10-31 22:15:26,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:27,403 INFO L124 PetriNetUnfolderBase]: 222/1927 cut-off events. [2024-10-31 22:15:27,403 INFO L125 PetriNetUnfolderBase]: For 49/53 co-relation queries the response was YES. [2024-10-31 22:15:27,422 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2414 conditions, 1927 events. 222/1927 cut-off events. For 49/53 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 12369 event pairs, 76 based on Foata normal form. 0/1735 useless extension candidates. Maximal degree in co-relation 2166. Up to 346 conditions per place. [2024-10-31 22:15:27,429 INFO L140 encePairwiseOnDemand]: 439/445 looper letters, 17 selfloop transitions, 2 changer transitions 0/395 dead transitions. [2024-10-31 22:15:27,430 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 395 transitions, 920 flow [2024-10-31 22:15:27,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:27,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:27,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1259 transitions. [2024-10-31 22:15:27,433 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9430711610486892 [2024-10-31 22:15:27,433 INFO L175 Difference]: Start difference. First operand has 405 places, 395 transitions, 880 flow. Second operand 3 states and 1259 transitions. [2024-10-31 22:15:27,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 395 transitions, 920 flow [2024-10-31 22:15:27,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 395 transitions, 916 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:15:27,440 INFO L231 Difference]: Finished difference. Result has 402 places, 393 transitions, 882 flow [2024-10-31 22:15:27,441 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=868, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=882, PETRI_PLACES=402, PETRI_TRANSITIONS=393} [2024-10-31 22:15:27,442 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -13 predicate places. [2024-10-31 22:15:27,442 INFO L471 AbstractCegarLoop]: Abstraction has has 402 places, 393 transitions, 882 flow [2024-10-31 22:15:27,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 413.6666666666667) internal successors, (1241), 3 states have internal predecessors, (1241), 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) [2024-10-31 22:15:27,442 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:27,443 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:27,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-31 22:15:27,443 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-10-31 22:15:27,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:27,443 INFO L85 PathProgramCache]: Analyzing trace with hash -82359832, now seen corresponding path program 1 times [2024-10-31 22:15:27,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:27,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857196183] [2024-10-31 22:15:27,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:27,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:27,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:27,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:27,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857196183] [2024-10-31 22:15:27,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857196183] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:27,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:27,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:27,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871416498] [2024-10-31 22:15:27,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:27,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:27,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:27,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:27,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:27,514 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 419 out of 445 [2024-10-31 22:15:27,516 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 393 transitions, 882 flow. Second operand has 3 states, 3 states have (on average 420.6666666666667) internal successors, (1262), 3 states have internal predecessors, (1262), 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) [2024-10-31 22:15:27,516 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:27,516 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 419 of 445 [2024-10-31 22:15:27,516 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:27,916 INFO L124 PetriNetUnfolderBase]: 66/1560 cut-off events. [2024-10-31 22:15:27,916 INFO L125 PetriNetUnfolderBase]: For 9/21 co-relation queries the response was YES. [2024-10-31 22:15:27,930 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1805 conditions, 1560 events. 66/1560 cut-off events. For 9/21 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 8750 event pairs, 6 based on Foata normal form. 1/1444 useless extension candidates. Maximal degree in co-relation 1593. Up to 48 conditions per place. [2024-10-31 22:15:27,935 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 11 selfloop transitions, 2 changer transitions 0/394 dead transitions. [2024-10-31 22:15:27,935 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 394 transitions, 912 flow [2024-10-31 22:15:27,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:27,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:27,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2024-10-31 22:15:27,939 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9520599250936329 [2024-10-31 22:15:27,939 INFO L175 Difference]: Start difference. First operand has 402 places, 393 transitions, 882 flow. Second operand 3 states and 1271 transitions. [2024-10-31 22:15:27,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 394 transitions, 912 flow [2024-10-31 22:15:27,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 403 places, 394 transitions, 912 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:15:27,946 INFO L231 Difference]: Finished difference. Result has 403 places, 392 transitions, 884 flow [2024-10-31 22:15:27,946 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=880, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=392, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=390, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=884, PETRI_PLACES=403, PETRI_TRANSITIONS=392} [2024-10-31 22:15:27,947 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -12 predicate places. [2024-10-31 22:15:27,947 INFO L471 AbstractCegarLoop]: Abstraction has has 403 places, 392 transitions, 884 flow [2024-10-31 22:15:27,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 420.6666666666667) internal successors, (1262), 3 states have internal predecessors, (1262), 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) [2024-10-31 22:15:27,948 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:27,948 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:27,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-31 22:15:27,949 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread3Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-10-31 22:15:27,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:27,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1144087775, now seen corresponding path program 1 times [2024-10-31 22:15:27,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:27,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235886168] [2024-10-31 22:15:27,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:27,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:27,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:28,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:28,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:28,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235886168] [2024-10-31 22:15:28,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235886168] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:28,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:28,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:28,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778715580] [2024-10-31 22:15:28,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:28,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:28,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:28,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:28,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:28,027 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 419 out of 445 [2024-10-31 22:15:28,029 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 392 transitions, 884 flow. Second operand has 3 states, 3 states have (on average 421.0) internal successors, (1263), 3 states have internal predecessors, (1263), 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) [2024-10-31 22:15:28,029 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:28,029 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 419 of 445 [2024-10-31 22:15:28,029 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:28,361 INFO L124 PetriNetUnfolderBase]: 74/1231 cut-off events. [2024-10-31 22:15:28,361 INFO L125 PetriNetUnfolderBase]: For 31/37 co-relation queries the response was YES. [2024-10-31 22:15:28,375 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1539 conditions, 1231 events. 74/1231 cut-off events. For 31/37 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 6257 event pairs, 14 based on Foata normal form. 0/1155 useless extension candidates. Maximal degree in co-relation 1475. Up to 76 conditions per place. [2024-10-31 22:15:28,379 INFO L140 encePairwiseOnDemand]: 442/445 looper letters, 11 selfloop transitions, 2 changer transitions 0/393 dead transitions. [2024-10-31 22:15:28,379 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 393 transitions, 914 flow [2024-10-31 22:15:28,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:28,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:28,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2024-10-31 22:15:28,382 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9520599250936329 [2024-10-31 22:15:28,383 INFO L175 Difference]: Start difference. First operand has 403 places, 392 transitions, 884 flow. Second operand 3 states and 1271 transitions. [2024-10-31 22:15:28,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 393 transitions, 914 flow [2024-10-31 22:15:28,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 393 transitions, 910 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:15:28,390 INFO L231 Difference]: Finished difference. Result has 402 places, 391 transitions, 882 flow [2024-10-31 22:15:28,391 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=878, PETRI_DIFFERENCE_MINUEND_PLACES=400, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=882, PETRI_PLACES=402, PETRI_TRANSITIONS=391} [2024-10-31 22:15:28,391 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -13 predicate places. [2024-10-31 22:15:28,392 INFO L471 AbstractCegarLoop]: Abstraction has has 402 places, 391 transitions, 882 flow [2024-10-31 22:15:28,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.0) internal successors, (1263), 3 states have internal predecessors, (1263), 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) [2024-10-31 22:15:28,392 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:28,393 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:28,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-31 22:15:28,393 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-10-31 22:15:28,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:28,394 INFO L85 PathProgramCache]: Analyzing trace with hash -551136353, now seen corresponding path program 1 times [2024-10-31 22:15:28,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:28,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101998242] [2024-10-31 22:15:28,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:28,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:28,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:28,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:28,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:28,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101998242] [2024-10-31 22:15:28,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101998242] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:28,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:28,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:28,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507142332] [2024-10-31 22:15:28,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:28,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:28,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:28,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:28,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:28,536 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 421 out of 445 [2024-10-31 22:15:28,538 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 391 transitions, 882 flow. Second operand has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 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) [2024-10-31 22:15:28,538 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:28,538 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 421 of 445 [2024-10-31 22:15:28,538 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:29,100 INFO L124 PetriNetUnfolderBase]: 60/1538 cut-off events. [2024-10-31 22:15:29,100 INFO L125 PetriNetUnfolderBase]: For 5/11 co-relation queries the response was YES. [2024-10-31 22:15:29,116 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1818 conditions, 1538 events. 60/1538 cut-off events. For 5/11 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 8400 event pairs, 4 based on Foata normal form. 0/1444 useless extension candidates. Maximal degree in co-relation 1589. Up to 50 conditions per place. [2024-10-31 22:15:29,121 INFO L140 encePairwiseOnDemand]: 443/445 looper letters, 8 selfloop transitions, 1 changer transitions 0/390 dead transitions. [2024-10-31 22:15:29,121 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 390 transitions, 898 flow [2024-10-31 22:15:29,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:29,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:29,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1273 transitions. [2024-10-31 22:15:29,125 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9535580524344569 [2024-10-31 22:15:29,125 INFO L175 Difference]: Start difference. First operand has 402 places, 391 transitions, 882 flow. Second operand 3 states and 1273 transitions. [2024-10-31 22:15:29,125 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 390 transitions, 898 flow [2024-10-31 22:15:29,128 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 390 transitions, 894 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:15:29,133 INFO L231 Difference]: Finished difference. Result has 401 places, 390 transitions, 878 flow [2024-10-31 22:15:29,134 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=876, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=390, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=878, PETRI_PLACES=401, PETRI_TRANSITIONS=390} [2024-10-31 22:15:29,135 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -14 predicate places. [2024-10-31 22:15:29,135 INFO L471 AbstractCegarLoop]: Abstraction has has 401 places, 390 transitions, 878 flow [2024-10-31 22:15:29,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 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) [2024-10-31 22:15:29,136 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:29,136 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:29,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-31 22:15:29,136 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-10-31 22:15:29,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:29,137 INFO L85 PathProgramCache]: Analyzing trace with hash -592800542, now seen corresponding path program 1 times [2024-10-31 22:15:29,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:29,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021944589] [2024-10-31 22:15:29,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:29,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:29,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:29,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:29,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021944589] [2024-10-31 22:15:29,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021944589] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:29,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:29,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:29,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042363163] [2024-10-31 22:15:29,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:29,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:29,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:29,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:29,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:29,268 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 421 out of 445 [2024-10-31 22:15:29,270 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 401 places, 390 transitions, 878 flow. Second operand has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 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) [2024-10-31 22:15:29,270 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:29,270 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 421 of 445 [2024-10-31 22:15:29,270 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:29,629 INFO L124 PetriNetUnfolderBase]: 56/1511 cut-off events. [2024-10-31 22:15:29,629 INFO L125 PetriNetUnfolderBase]: For 5/11 co-relation queries the response was YES. [2024-10-31 22:15:29,642 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1729 conditions, 1511 events. 56/1511 cut-off events. For 5/11 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 8189 event pairs, 3 based on Foata normal form. 0/1420 useless extension candidates. Maximal degree in co-relation 1698. Up to 48 conditions per place. [2024-10-31 22:15:29,646 INFO L140 encePairwiseOnDemand]: 443/445 looper letters, 8 selfloop transitions, 1 changer transitions 0/389 dead transitions. [2024-10-31 22:15:29,646 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 389 transitions, 894 flow [2024-10-31 22:15:29,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:29,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:29,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1273 transitions. [2024-10-31 22:15:29,649 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9535580524344569 [2024-10-31 22:15:29,650 INFO L175 Difference]: Start difference. First operand has 401 places, 390 transitions, 878 flow. Second operand 3 states and 1273 transitions. [2024-10-31 22:15:29,650 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 389 transitions, 894 flow [2024-10-31 22:15:29,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 389 transitions, 893 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:15:29,657 INFO L231 Difference]: Finished difference. Result has 401 places, 389 transitions, 877 flow [2024-10-31 22:15:29,658 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=875, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=389, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=877, PETRI_PLACES=401, PETRI_TRANSITIONS=389} [2024-10-31 22:15:29,658 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -14 predicate places. [2024-10-31 22:15:29,658 INFO L471 AbstractCegarLoop]: Abstraction has has 401 places, 389 transitions, 877 flow [2024-10-31 22:15:29,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 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) [2024-10-31 22:15:29,659 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:29,659 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:29,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-31 22:15:29,660 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-10-31 22:15:29,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:29,660 INFO L85 PathProgramCache]: Analyzing trace with hash -933491653, now seen corresponding path program 1 times [2024-10-31 22:15:29,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:29,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259835028] [2024-10-31 22:15:29,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:29,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:29,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:29,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:29,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:29,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259835028] [2024-10-31 22:15:29,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259835028] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:29,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:29,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:29,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128540727] [2024-10-31 22:15:29,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:29,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:29,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:29,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:29,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:29,794 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 421 out of 445 [2024-10-31 22:15:29,796 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 401 places, 389 transitions, 877 flow. Second operand has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 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) [2024-10-31 22:15:29,796 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:29,796 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 421 of 445 [2024-10-31 22:15:29,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:30,035 INFO L124 PetriNetUnfolderBase]: 52/1170 cut-off events. [2024-10-31 22:15:30,035 INFO L125 PetriNetUnfolderBase]: For 10/16 co-relation queries the response was YES. [2024-10-31 22:15:30,049 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1378 conditions, 1170 events. 52/1170 cut-off events. For 10/16 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 5778 event pairs, 7 based on Foata normal form. 2/1098 useless extension candidates. Maximal degree in co-relation 1358. Up to 42 conditions per place. [2024-10-31 22:15:30,050 INFO L140 encePairwiseOnDemand]: 443/445 looper letters, 0 selfloop transitions, 0 changer transitions 388/388 dead transitions. [2024-10-31 22:15:30,050 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 388 transitions, 891 flow [2024-10-31 22:15:30,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:30,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:30,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1272 transitions. [2024-10-31 22:15:30,054 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.952808988764045 [2024-10-31 22:15:30,054 INFO L175 Difference]: Start difference. First operand has 401 places, 389 transitions, 877 flow. Second operand 3 states and 1272 transitions. [2024-10-31 22:15:30,054 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 388 transitions, 891 flow [2024-10-31 22:15:30,057 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 388 transitions, 890 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:15:30,060 INFO L231 Difference]: Finished difference. Result has 401 places, 0 transitions, 0 flow [2024-10-31 22:15:30,061 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=874, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=388, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=401, PETRI_TRANSITIONS=0} [2024-10-31 22:15:30,062 INFO L277 CegarLoopForPetriNet]: 415 programPoint places, -14 predicate places. [2024-10-31 22:15:30,062 INFO L471 AbstractCegarLoop]: Abstraction has has 401 places, 0 transitions, 0 flow [2024-10-31 22:15:30,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 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) [2024-10-31 22:15:30,065 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (68 of 69 remaining) [2024-10-31 22:15:30,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (67 of 69 remaining) [2024-10-31 22:15:30,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (66 of 69 remaining) [2024-10-31 22:15:30,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (65 of 69 remaining) [2024-10-31 22:15:30,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (64 of 69 remaining) [2024-10-31 22:15:30,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (63 of 69 remaining) [2024-10-31 22:15:30,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (62 of 69 remaining) [2024-10-31 22:15:30,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (61 of 69 remaining) [2024-10-31 22:15:30,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (60 of 69 remaining) [2024-10-31 22:15:30,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (59 of 69 remaining) [2024-10-31 22:15:30,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (58 of 69 remaining) [2024-10-31 22:15:30,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (57 of 69 remaining) [2024-10-31 22:15:30,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (56 of 69 remaining) [2024-10-31 22:15:30,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (55 of 69 remaining) [2024-10-31 22:15:30,069 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (54 of 69 remaining) [2024-10-31 22:15:30,069 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (53 of 69 remaining) [2024-10-31 22:15:30,069 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (52 of 69 remaining) [2024-10-31 22:15:30,069 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (51 of 69 remaining) [2024-10-31 22:15:30,069 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (50 of 69 remaining) [2024-10-31 22:15:30,069 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (49 of 69 remaining) [2024-10-31 22:15:30,069 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (48 of 69 remaining) [2024-10-31 22:15:30,069 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (47 of 69 remaining) [2024-10-31 22:15:30,069 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (46 of 69 remaining) [2024-10-31 22:15:30,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (45 of 69 remaining) [2024-10-31 22:15:30,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (44 of 69 remaining) [2024-10-31 22:15:30,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (43 of 69 remaining) [2024-10-31 22:15:30,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (42 of 69 remaining) [2024-10-31 22:15:30,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (41 of 69 remaining) [2024-10-31 22:15:30,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (40 of 69 remaining) [2024-10-31 22:15:30,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (39 of 69 remaining) [2024-10-31 22:15:30,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (38 of 69 remaining) [2024-10-31 22:15:30,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (37 of 69 remaining) [2024-10-31 22:15:30,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (36 of 69 remaining) [2024-10-31 22:15:30,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (35 of 69 remaining) [2024-10-31 22:15:30,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (34 of 69 remaining) [2024-10-31 22:15:30,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (33 of 69 remaining) [2024-10-31 22:15:30,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (32 of 69 remaining) [2024-10-31 22:15:30,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (31 of 69 remaining) [2024-10-31 22:15:30,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (30 of 69 remaining) [2024-10-31 22:15:30,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 69 remaining) [2024-10-31 22:15:30,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 69 remaining) [2024-10-31 22:15:30,072 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 69 remaining) [2024-10-31 22:15:30,072 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (26 of 69 remaining) [2024-10-31 22:15:30,072 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (25 of 69 remaining) [2024-10-31 22:15:30,072 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (24 of 69 remaining) [2024-10-31 22:15:30,073 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (23 of 69 remaining) [2024-10-31 22:15:30,073 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (22 of 69 remaining) [2024-10-31 22:15:30,075 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (21 of 69 remaining) [2024-10-31 22:15:30,075 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (20 of 69 remaining) [2024-10-31 22:15:30,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (19 of 69 remaining) [2024-10-31 22:15:30,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (18 of 69 remaining) [2024-10-31 22:15:30,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (17 of 69 remaining) [2024-10-31 22:15:30,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (16 of 69 remaining) [2024-10-31 22:15:30,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 69 remaining) [2024-10-31 22:15:30,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (14 of 69 remaining) [2024-10-31 22:15:30,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (13 of 69 remaining) [2024-10-31 22:15:30,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (12 of 69 remaining) [2024-10-31 22:15:30,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (11 of 69 remaining) [2024-10-31 22:15:30,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (10 of 69 remaining) [2024-10-31 22:15:30,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (9 of 69 remaining) [2024-10-31 22:15:30,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (8 of 69 remaining) [2024-10-31 22:15:30,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (7 of 69 remaining) [2024-10-31 22:15:30,078 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (6 of 69 remaining) [2024-10-31 22:15:30,078 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (5 of 69 remaining) [2024-10-31 22:15:30,078 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (4 of 69 remaining) [2024-10-31 22:15:30,078 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (3 of 69 remaining) [2024-10-31 22:15:30,078 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (2 of 69 remaining) [2024-10-31 22:15:30,078 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (1 of 69 remaining) [2024-10-31 22:15:30,079 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (0 of 69 remaining) [2024-10-31 22:15:30,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-31 22:15:30,079 INFO L407 BasicCegarLoop]: Path program 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] [2024-10-31 22:15:30,086 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-31 22:15:30,087 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:15:30,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:15:30 BasicIcfg [2024-10-31 22:15:30,094 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:15:30,094 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:15:30,094 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:15:30,095 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:15:30,095 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:15:17" (3/4) ... [2024-10-31 22:15:30,097 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-10-31 22:15:30,101 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-31 22:15:30,101 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-31 22:15:30,101 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-10-31 22:15:30,108 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-10-31 22:15:30,109 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-31 22:15:30,109 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-31 22:15:30,109 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-31 22:15:30,217 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a256fbb-01fe-408e-9061-beb825eaae0b/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 22:15:30,221 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a256fbb-01fe-408e-9061-beb825eaae0b/bin/uautomizer-verify-4GaUIPS5ZU/witness.yml [2024-10-31 22:15:30,221 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:15:30,222 INFO L158 Benchmark]: Toolchain (without parser) took 14601.50ms. Allocated memory was 136.3MB in the beginning and 408.9MB in the end (delta: 272.6MB). Free memory was 99.6MB in the beginning and 142.2MB in the end (delta: -42.6MB). Peak memory consumption was 229.5MB. Max. memory is 16.1GB. [2024-10-31 22:15:30,222 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 104.9MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:15:30,222 INFO L158 Benchmark]: CACSL2BoogieTranslator took 474.05ms. Allocated memory is still 136.3MB. Free memory was 99.6MB in the beginning and 101.1MB in the end (delta: -1.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-31 22:15:30,223 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.36ms. Allocated memory is still 136.3MB. Free memory was 101.1MB in the beginning and 98.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:15:30,223 INFO L158 Benchmark]: Boogie Preprocessor took 77.50ms. Allocated memory is still 136.3MB. Free memory was 98.5MB in the beginning and 96.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:15:30,223 INFO L158 Benchmark]: RCFGBuilder took 1139.20ms. Allocated memory is still 136.3MB. Free memory was 96.4MB in the beginning and 65.5MB in the end (delta: 30.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-10-31 22:15:30,225 INFO L158 Benchmark]: TraceAbstraction took 12693.51ms. Allocated memory was 136.3MB in the beginning and 408.9MB in the end (delta: 272.6MB). Free memory was 64.9MB in the beginning and 147.5MB in the end (delta: -82.6MB). Peak memory consumption was 191.2MB. Max. memory is 16.1GB. [2024-10-31 22:15:30,225 INFO L158 Benchmark]: Witness Printer took 127.04ms. Allocated memory is still 408.9MB. Free memory was 147.5MB in the beginning and 142.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-31 22:15:30,227 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 104.9MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 474.05ms. Allocated memory is still 136.3MB. Free memory was 99.6MB in the beginning and 101.1MB in the end (delta: -1.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.36ms. Allocated memory is still 136.3MB. Free memory was 101.1MB in the beginning and 98.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.50ms. Allocated memory is still 136.3MB. Free memory was 98.5MB in the beginning and 96.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1139.20ms. Allocated memory is still 136.3MB. Free memory was 96.4MB in the beginning and 65.5MB in the end (delta: 30.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 12693.51ms. Allocated memory was 136.3MB in the beginning and 408.9MB in the end (delta: 272.6MB). Free memory was 64.9MB in the beginning and 147.5MB in the end (delta: -82.6MB). Peak memory consumption was 191.2MB. Max. memory is 16.1GB. * Witness Printer took 127.04ms. Allocated memory is still 408.9MB. Free memory was 147.5MB in the beginning and 142.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: 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: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: 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, 701 locations, 69 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: 12.4s, OverallIterations: 24, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 462 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 164 mSDsluCounter, 102 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 80 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 620 IncrementalHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 80 mSolverCounterUnsat, 102 mSDtfsCounter, 620 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=884occurred in iteration=20, InterpolantAutomatonStates: 72, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 3250 NumberOfCodeBlocks, 3250 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 3226 ConstructedInterpolants, 0 QuantifiedInterpolants, 3274 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 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 39 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-31 22:15:30,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a256fbb-01fe-408e-9061-beb825eaae0b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE