./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-2_4-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da594f5b-fe3d-4041-92d6-77b277cded42/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da594f5b-fe3d-4041-92d6-77b277cded42/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_da594f5b-fe3d-4041-92d6-77b277cded42/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da594f5b-fe3d-4041-92d6-77b277cded42/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_4-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da594f5b-fe3d-4041-92d6-77b277cded42/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_da594f5b-fe3d-4041-92d6-77b277cded42/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 2872c384167f2e3876e0fc6c6cdca366b47c7b8757c341fcf44d3890af023ea5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:03:18,298 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:03:18,368 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da594f5b-fe3d-4041-92d6-77b277cded42/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 22:03:18,372 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:03:18,373 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:03:18,394 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:03:18,394 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:03:18,395 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:03:18,395 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:03:18,396 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:03:18,396 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:03:18,397 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:03:18,397 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:03:18,397 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:03:18,398 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:03:18,398 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:03:18,399 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:03:18,399 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:03:18,399 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:03:18,400 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:03:18,400 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:03:18,401 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:03:18,402 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 22:03:18,402 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:03:18,402 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:03:18,403 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:03:18,403 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:03:18,403 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:03:18,404 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:03:18,404 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:03:18,404 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:03:18,410 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:03:18,410 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:03:18,411 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:03:18,411 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:03:18,411 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:03:18,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:03:18,412 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:03:18,412 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:03:18,412 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:03:18,413 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:03:18,418 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_da594f5b-fe3d-4041-92d6-77b277cded42/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da594f5b-fe3d-4041-92d6-77b277cded42/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2872c384167f2e3876e0fc6c6cdca366b47c7b8757c341fcf44d3890af023ea5 [2024-10-31 22:03:18,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:03:18,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:03:18,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:03:18,754 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:03:18,758 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:03:18,759 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da594f5b-fe3d-4041-92d6-77b277cded42/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/ldv-races/race-2_4-container_of.i Unable to find full path for "g++" [2024-10-31 22:03:20,881 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:03:21,217 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:03:21,218 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da594f5b-fe3d-4041-92d6-77b277cded42/sv-benchmarks/c/ldv-races/race-2_4-container_of.i [2024-10-31 22:03:21,247 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da594f5b-fe3d-4041-92d6-77b277cded42/bin/uautomizer-verify-4GaUIPS5ZU/data/bdc24e24c/babea24a6f3b40588387eaf88819a8d6/FLAGe65a84f50 [2024-10-31 22:03:21,461 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da594f5b-fe3d-4041-92d6-77b277cded42/bin/uautomizer-verify-4GaUIPS5ZU/data/bdc24e24c/babea24a6f3b40588387eaf88819a8d6 [2024-10-31 22:03:21,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:03:21,466 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:03:21,469 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:03:21,469 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:03:21,474 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:03:21,475 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:03:21" (1/1) ... [2024-10-31 22:03:21,476 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a0b58f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:21, skipping insertion in model container [2024-10-31 22:03:21,476 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:03:21" (1/1) ... [2024-10-31 22:03:21,569 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:03:22,192 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:03:22,205 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:03:22,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:03:22,350 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:03:22,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:22 WrapperNode [2024-10-31 22:03:22,351 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:03:22,352 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:03:22,353 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:03:22,353 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:03:22,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:22" (1/1) ... [2024-10-31 22:03:22,397 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:22" (1/1) ... [2024-10-31 22:03:22,446 INFO L138 Inliner]: procedures = 248, calls = 56, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 238 [2024-10-31 22:03:22,446 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:03:22,447 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:03:22,447 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:03:22,447 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:03:22,465 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:22" (1/1) ... [2024-10-31 22:03:22,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:22" (1/1) ... [2024-10-31 22:03:22,473 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:22" (1/1) ... [2024-10-31 22:03:22,474 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:22" (1/1) ... [2024-10-31 22:03:22,503 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:22" (1/1) ... [2024-10-31 22:03:22,507 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:22" (1/1) ... [2024-10-31 22:03:22,512 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:22" (1/1) ... [2024-10-31 22:03:22,515 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:22" (1/1) ... [2024-10-31 22:03:22,520 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:03:22,521 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:03:22,521 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:03:22,522 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:03:22,522 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:22" (1/1) ... [2024-10-31 22:03:22,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:03:22,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da594f5b-fe3d-4041-92d6-77b277cded42/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:22,564 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da594f5b-fe3d-4041-92d6-77b277cded42/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:22,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da594f5b-fe3d-4041-92d6-77b277cded42/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:03:22,609 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-10-31 22:03:22,609 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-10-31 22:03:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-31 22:03:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:03:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:03:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-31 22:03:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-31 22:03:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-31 22:03:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-31 22:03:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-31 22:03:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:03:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-10-31 22:03:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:03:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:03:22,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:03:22,617 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 22:03:22,964 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:03:22,966 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:03:23,613 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:03:23,613 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:03:23,759 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:03:23,760 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:03:23,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:03:23 BoogieIcfgContainer [2024-10-31 22:03:23,760 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:03:23,763 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:03:23,764 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:03:23,767 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:03:23,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:03:21" (1/3) ... [2024-10-31 22:03:23,769 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32a5a4a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:03:23, skipping insertion in model container [2024-10-31 22:03:23,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:22" (2/3) ... [2024-10-31 22:03:23,769 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32a5a4a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:03:23, skipping insertion in model container [2024-10-31 22:03:23,770 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:03:23" (3/3) ... [2024-10-31 22:03:23,771 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_4-container_of.i [2024-10-31 22:03:23,791 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:03:23,791 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2024-10-31 22:03:23,791 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:03:23,876 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-31 22:03:23,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 263 places, 267 transitions, 548 flow [2024-10-31 22:03:24,068 INFO L124 PetriNetUnfolderBase]: 14/359 cut-off events. [2024-10-31 22:03:24,069 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-31 22:03:24,078 INFO L83 FinitePrefix]: Finished finitePrefix Result has 368 conditions, 359 events. 14/359 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 754 event pairs, 0 based on Foata normal form. 0/312 useless extension candidates. Maximal degree in co-relation 185. Up to 4 conditions per place. [2024-10-31 22:03:24,078 INFO L82 GeneralOperation]: Start removeDead. Operand has 263 places, 267 transitions, 548 flow [2024-10-31 22:03:24,089 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 261 places, 264 transitions, 540 flow [2024-10-31 22:03:24,104 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:03:24,112 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;@2e6ac78e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:03:24,112 INFO L334 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2024-10-31 22:03:24,122 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:03:24,122 INFO L124 PetriNetUnfolderBase]: 0/31 cut-off events. [2024-10-31 22:03:24,122 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:03:24,122 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:24,123 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] [2024-10-31 22:03:24,123 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-31 22:03:24,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:24,131 INFO L85 PathProgramCache]: Analyzing trace with hash -555483010, now seen corresponding path program 1 times [2024-10-31 22:03:24,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:24,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913196806] [2024-10-31 22:03:24,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:24,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:25,387 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 22:03:25,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:25,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913196806] [2024-10-31 22:03:25,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913196806] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:25,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:25,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:03:25,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456544295] [2024-10-31 22:03:25,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:25,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:03:25,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:25,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:03:25,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:03:25,897 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 267 [2024-10-31 22:03:25,904 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 264 transitions, 540 flow. Second operand has 6 states, 6 states have (on average 193.33333333333334) internal successors, (1160), 6 states have internal predecessors, (1160), 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 22:03:25,904 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:25,905 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 267 [2024-10-31 22:03:25,906 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:27,104 INFO L124 PetriNetUnfolderBase]: 1296/4016 cut-off events. [2024-10-31 22:03:27,105 INFO L125 PetriNetUnfolderBase]: For 28/28 co-relation queries the response was YES. [2024-10-31 22:03:27,119 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6179 conditions, 4016 events. 1296/4016 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 32312 event pairs, 1295 based on Foata normal form. 140/3948 useless extension candidates. Maximal degree in co-relation 5908. Up to 2134 conditions per place. [2024-10-31 22:03:27,137 INFO L140 encePairwiseOnDemand]: 243/267 looper letters, 47 selfloop transitions, 5 changer transitions 6/233 dead transitions. [2024-10-31 22:03:27,137 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 233 transitions, 582 flow [2024-10-31 22:03:27,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:03:27,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:03:27,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1223 transitions. [2024-10-31 22:03:27,163 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7634207240948814 [2024-10-31 22:03:27,165 INFO L175 Difference]: Start difference. First operand has 261 places, 264 transitions, 540 flow. Second operand 6 states and 1223 transitions. [2024-10-31 22:03:27,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 233 transitions, 582 flow [2024-10-31 22:03:27,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 233 transitions, 574 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-31 22:03:27,178 INFO L231 Difference]: Finished difference. Result has 239 places, 227 transitions, 468 flow [2024-10-31 22:03:27,182 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=468, PETRI_PLACES=239, PETRI_TRANSITIONS=227} [2024-10-31 22:03:27,187 INFO L277 CegarLoopForPetriNet]: 261 programPoint places, -22 predicate places. [2024-10-31 22:03:27,188 INFO L471 AbstractCegarLoop]: Abstraction has has 239 places, 227 transitions, 468 flow [2024-10-31 22:03:27,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 193.33333333333334) internal successors, (1160), 6 states have internal predecessors, (1160), 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 22:03:27,190 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:27,190 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:03:27,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:03:27,191 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-31 22:03:27,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:27,192 INFO L85 PathProgramCache]: Analyzing trace with hash -843172853, now seen corresponding path program 1 times [2024-10-31 22:03:27,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:27,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410280815] [2024-10-31 22:03:27,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:27,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:27,830 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 22:03:27,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:27,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410280815] [2024-10-31 22:03:27,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410280815] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:27,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:27,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:03:27,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693869388] [2024-10-31 22:03:27,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:27,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:03:27,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:27,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:03:27,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:03:28,221 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 267 [2024-10-31 22:03:28,224 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 227 transitions, 468 flow. Second operand has 6 states, 6 states have (on average 193.33333333333334) internal successors, (1160), 6 states have internal predecessors, (1160), 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 22:03:28,224 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:28,224 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 267 [2024-10-31 22:03:28,224 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:29,224 INFO L124 PetriNetUnfolderBase]: 1296/4009 cut-off events. [2024-10-31 22:03:29,225 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-10-31 22:03:29,234 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6162 conditions, 4009 events. 1296/4009 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 32343 event pairs, 1295 based on Foata normal form. 0/3804 useless extension candidates. Maximal degree in co-relation 6119. Up to 2134 conditions per place. [2024-10-31 22:03:29,252 INFO L140 encePairwiseOnDemand]: 261/267 looper letters, 47 selfloop transitions, 5 changer transitions 0/226 dead transitions. [2024-10-31 22:03:29,252 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 226 transitions, 570 flow [2024-10-31 22:03:29,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:03:29,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:03:29,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1205 transitions. [2024-10-31 22:03:29,257 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7521847690387016 [2024-10-31 22:03:29,257 INFO L175 Difference]: Start difference. First operand has 239 places, 227 transitions, 468 flow. Second operand 6 states and 1205 transitions. [2024-10-31 22:03:29,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 226 transitions, 570 flow [2024-10-31 22:03:29,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 226 transitions, 560 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:03:29,264 INFO L231 Difference]: Finished difference. Result has 232 places, 226 transitions, 466 flow [2024-10-31 22:03:29,265 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=456, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=466, PETRI_PLACES=232, PETRI_TRANSITIONS=226} [2024-10-31 22:03:29,266 INFO L277 CegarLoopForPetriNet]: 261 programPoint places, -29 predicate places. [2024-10-31 22:03:29,266 INFO L471 AbstractCegarLoop]: Abstraction has has 232 places, 226 transitions, 466 flow [2024-10-31 22:03:29,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 193.33333333333334) internal successors, (1160), 6 states have internal predecessors, (1160), 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 22:03:29,268 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:29,268 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:03:29,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:03:29,268 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-31 22:03:29,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:29,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1160299974, now seen corresponding path program 1 times [2024-10-31 22:03:29,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:29,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10882880] [2024-10-31 22:03:29,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:29,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:29,366 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 22:03:29,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:29,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10882880] [2024-10-31 22:03:29,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10882880] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:29,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:29,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:29,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66158195] [2024-10-31 22:03:29,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:29,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:03:29,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:29,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:29,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:29,386 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 267 [2024-10-31 22:03:29,387 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 226 transitions, 466 flow. Second operand has 3 states, 3 states have (on average 220.33333333333334) internal successors, (661), 3 states have internal predecessors, (661), 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 22:03:29,388 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:29,388 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 267 [2024-10-31 22:03:29,388 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:29,712 INFO L124 PetriNetUnfolderBase]: 401/1334 cut-off events. [2024-10-31 22:03:29,712 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-10-31 22:03:29,716 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2030 conditions, 1334 events. 401/1334 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 8272 event pairs, 395 based on Foata normal form. 0/1280 useless extension candidates. Maximal degree in co-relation 1980. Up to 674 conditions per place. [2024-10-31 22:03:29,722 INFO L140 encePairwiseOnDemand]: 264/267 looper letters, 28 selfloop transitions, 2 changer transitions 0/230 dead transitions. [2024-10-31 22:03:29,722 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 230 transitions, 534 flow [2024-10-31 22:03:29,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:29,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:03:29,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 688 transitions. [2024-10-31 22:03:29,725 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8589263420724095 [2024-10-31 22:03:29,725 INFO L175 Difference]: Start difference. First operand has 232 places, 226 transitions, 466 flow. Second operand 3 states and 688 transitions. [2024-10-31 22:03:29,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 230 transitions, 534 flow [2024-10-31 22:03:29,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 230 transitions, 524 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:03:29,729 INFO L231 Difference]: Finished difference. Result has 228 places, 225 transitions, 458 flow [2024-10-31 22:03:29,730 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=454, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=458, PETRI_PLACES=228, PETRI_TRANSITIONS=225} [2024-10-31 22:03:29,731 INFO L277 CegarLoopForPetriNet]: 261 programPoint places, -33 predicate places. [2024-10-31 22:03:29,731 INFO L471 AbstractCegarLoop]: Abstraction has has 228 places, 225 transitions, 458 flow [2024-10-31 22:03:29,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 220.33333333333334) internal successors, (661), 3 states have internal predecessors, (661), 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 22:03:29,732 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:29,732 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] [2024-10-31 22:03:29,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:03:29,732 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-31 22:03:29,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:29,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1663508507, now seen corresponding path program 1 times [2024-10-31 22:03:29,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:29,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45492080] [2024-10-31 22:03:29,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:29,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:29,813 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 22:03:29,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:29,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45492080] [2024-10-31 22:03:29,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45492080] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:29,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:29,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:29,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822264934] [2024-10-31 22:03:29,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:29,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:03:29,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:29,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:29,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:29,833 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 267 [2024-10-31 22:03:29,834 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 225 transitions, 458 flow. Second operand has 3 states, 3 states have (on average 220.66666666666666) internal successors, (662), 3 states have internal predecessors, (662), 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 22:03:29,835 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:29,835 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 267 [2024-10-31 22:03:29,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:30,243 INFO L124 PetriNetUnfolderBase]: 416/1829 cut-off events. [2024-10-31 22:03:30,243 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-10-31 22:03:30,248 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2551 conditions, 1829 events. 416/1829 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 12573 event pairs, 345 based on Foata normal form. 0/1700 useless extension candidates. Maximal degree in co-relation 2401. Up to 623 conditions per place. [2024-10-31 22:03:30,255 INFO L140 encePairwiseOnDemand]: 264/267 looper letters, 33 selfloop transitions, 2 changer transitions 0/234 dead transitions. [2024-10-31 22:03:30,256 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 234 transitions, 546 flow [2024-10-31 22:03:30,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:30,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:03:30,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 693 transitions. [2024-10-31 22:03:30,258 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8651685393258427 [2024-10-31 22:03:30,258 INFO L175 Difference]: Start difference. First operand has 228 places, 225 transitions, 458 flow. Second operand 3 states and 693 transitions. [2024-10-31 22:03:30,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 234 transitions, 546 flow [2024-10-31 22:03:30,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 234 transitions, 542 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:03:30,263 INFO L231 Difference]: Finished difference. Result has 227 places, 224 transitions, 456 flow [2024-10-31 22:03:30,263 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=452, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=456, PETRI_PLACES=227, PETRI_TRANSITIONS=224} [2024-10-31 22:03:30,265 INFO L277 CegarLoopForPetriNet]: 261 programPoint places, -34 predicate places. [2024-10-31 22:03:30,265 INFO L471 AbstractCegarLoop]: Abstraction has has 227 places, 224 transitions, 456 flow [2024-10-31 22:03:30,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 220.66666666666666) internal successors, (662), 3 states have internal predecessors, (662), 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 22:03:30,266 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:30,266 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:03:30,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:03:30,267 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-31 22:03:30,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:30,268 INFO L85 PathProgramCache]: Analyzing trace with hash 862446512, now seen corresponding path program 1 times [2024-10-31 22:03:30,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:30,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268701241] [2024-10-31 22:03:30,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:30,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:30,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:30,827 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 22:03:30,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:30,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268701241] [2024-10-31 22:03:30,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268701241] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:30,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:30,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:03:30,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621226029] [2024-10-31 22:03:30,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:30,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:03:30,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:30,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:03:30,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:03:31,217 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 267 [2024-10-31 22:03:31,218 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 224 transitions, 456 flow. Second operand has 6 states, 6 states have (on average 198.66666666666666) internal successors, (1192), 6 states have internal predecessors, (1192), 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 22:03:31,219 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:31,219 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 267 [2024-10-31 22:03:31,219 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:32,528 INFO L124 PetriNetUnfolderBase]: 1488/4201 cut-off events. [2024-10-31 22:03:32,529 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-10-31 22:03:32,539 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6659 conditions, 4201 events. 1488/4201 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 32928 event pairs, 1027 based on Foata normal form. 0/4029 useless extension candidates. Maximal degree in co-relation 6446. Up to 2110 conditions per place. [2024-10-31 22:03:32,558 INFO L140 encePairwiseOnDemand]: 254/267 looper letters, 61 selfloop transitions, 30 changer transitions 7/269 dead transitions. [2024-10-31 22:03:32,558 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 269 transitions, 734 flow [2024-10-31 22:03:32,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:03:32,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:03:32,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1271 transitions. [2024-10-31 22:03:32,649 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7933832709113608 [2024-10-31 22:03:32,649 INFO L175 Difference]: Start difference. First operand has 227 places, 224 transitions, 456 flow. Second operand 6 states and 1271 transitions. [2024-10-31 22:03:32,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 269 transitions, 734 flow [2024-10-31 22:03:32,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 269 transitions, 730 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:03:32,655 INFO L231 Difference]: Finished difference. Result has 235 places, 246 transitions, 640 flow [2024-10-31 22:03:32,656 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=452, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=640, PETRI_PLACES=235, PETRI_TRANSITIONS=246} [2024-10-31 22:03:32,657 INFO L277 CegarLoopForPetriNet]: 261 programPoint places, -26 predicate places. [2024-10-31 22:03:32,657 INFO L471 AbstractCegarLoop]: Abstraction has has 235 places, 246 transitions, 640 flow [2024-10-31 22:03:32,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 198.66666666666666) internal successors, (1192), 6 states have internal predecessors, (1192), 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 22:03:32,658 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:32,658 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] [2024-10-31 22:03:32,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:03:32,658 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-31 22:03:32,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:32,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1251921167, now seen corresponding path program 1 times [2024-10-31 22:03:32,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:32,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258564840] [2024-10-31 22:03:32,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:32,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:32,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:32,773 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 22:03:32,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:32,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258564840] [2024-10-31 22:03:32,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258564840] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:32,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:32,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:32,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379124981] [2024-10-31 22:03:32,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:32,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:03:32,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:32,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:32,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:32,794 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 267 [2024-10-31 22:03:32,795 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 246 transitions, 640 flow. Second operand has 3 states, 3 states have (on average 225.0) internal successors, (675), 3 states have internal predecessors, (675), 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 22:03:32,795 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:32,795 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 267 [2024-10-31 22:03:32,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:33,224 INFO L124 PetriNetUnfolderBase]: 797/2049 cut-off events. [2024-10-31 22:03:33,224 INFO L125 PetriNetUnfolderBase]: For 705/751 co-relation queries the response was YES. [2024-10-31 22:03:33,231 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4425 conditions, 2049 events. 797/2049 cut-off events. For 705/751 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 13793 event pairs, 436 based on Foata normal form. 1/1973 useless extension candidates. Maximal degree in co-relation 3173. Up to 958 conditions per place. [2024-10-31 22:03:33,240 INFO L140 encePairwiseOnDemand]: 265/267 looper letters, 54 selfloop transitions, 1 changer transitions 0/255 dead transitions. [2024-10-31 22:03:33,241 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 255 transitions, 780 flow [2024-10-31 22:03:33,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:33,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:03:33,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 701 transitions. [2024-10-31 22:03:33,243 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8751560549313359 [2024-10-31 22:03:33,244 INFO L175 Difference]: Start difference. First operand has 235 places, 246 transitions, 640 flow. Second operand 3 states and 701 transitions. [2024-10-31 22:03:33,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 255 transitions, 780 flow [2024-10-31 22:03:33,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 255 transitions, 780 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:03:33,254 INFO L231 Difference]: Finished difference. Result has 229 places, 245 transitions, 640 flow [2024-10-31 22:03:33,255 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=638, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=640, PETRI_PLACES=229, PETRI_TRANSITIONS=245} [2024-10-31 22:03:33,257 INFO L277 CegarLoopForPetriNet]: 261 programPoint places, -32 predicate places. [2024-10-31 22:03:33,257 INFO L471 AbstractCegarLoop]: Abstraction has has 229 places, 245 transitions, 640 flow [2024-10-31 22:03:33,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 225.0) internal successors, (675), 3 states have internal predecessors, (675), 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 22:03:33,259 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:33,259 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] [2024-10-31 22:03:33,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:03:33,259 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-31 22:03:33,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:33,260 INFO L85 PathProgramCache]: Analyzing trace with hash 2127646992, now seen corresponding path program 1 times [2024-10-31 22:03:33,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:33,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689384751] [2024-10-31 22:03:33,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:33,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:33,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:33,877 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 22:03:33,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:33,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689384751] [2024-10-31 22:03:33,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689384751] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:33,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:33,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:03:33,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920586687] [2024-10-31 22:03:33,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:33,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:03:33,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:33,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:03:33,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:03:34,436 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 267 [2024-10-31 22:03:34,438 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 245 transitions, 640 flow. Second operand has 6 states, 6 states have (on average 198.66666666666666) internal successors, (1192), 6 states have internal predecessors, (1192), 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 22:03:34,438 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:34,438 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 267 [2024-10-31 22:03:34,438 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:35,865 INFO L124 PetriNetUnfolderBase]: 1709/4143 cut-off events. [2024-10-31 22:03:35,865 INFO L125 PetriNetUnfolderBase]: For 1080/1124 co-relation queries the response was YES. [2024-10-31 22:03:35,884 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8574 conditions, 4143 events. 1709/4143 cut-off events. For 1080/1124 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 30906 event pairs, 1013 based on Foata normal form. 0/3970 useless extension candidates. Maximal degree in co-relation 8410. Up to 2322 conditions per place. [2024-10-31 22:03:35,912 INFO L140 encePairwiseOnDemand]: 254/267 looper letters, 84 selfloop transitions, 30 changer transitions 11/290 dead transitions. [2024-10-31 22:03:35,991 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 290 transitions, 1008 flow [2024-10-31 22:03:35,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:03:35,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:03:35,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1268 transitions. [2024-10-31 22:03:35,998 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7915106117353309 [2024-10-31 22:03:35,999 INFO L175 Difference]: Start difference. First operand has 229 places, 245 transitions, 640 flow. Second operand 6 states and 1268 transitions. [2024-10-31 22:03:35,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 290 transitions, 1008 flow [2024-10-31 22:03:36,005 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 290 transitions, 1007 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:03:36,013 INFO L231 Difference]: Finished difference. Result has 238 places, 263 transitions, 867 flow [2024-10-31 22:03:36,014 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=639, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=867, PETRI_PLACES=238, PETRI_TRANSITIONS=263} [2024-10-31 22:03:36,015 INFO L277 CegarLoopForPetriNet]: 261 programPoint places, -23 predicate places. [2024-10-31 22:03:36,015 INFO L471 AbstractCegarLoop]: Abstraction has has 238 places, 263 transitions, 867 flow [2024-10-31 22:03:36,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 198.66666666666666) internal successors, (1192), 6 states have internal predecessors, (1192), 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 22:03:36,017 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:36,018 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] [2024-10-31 22:03:36,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:03:36,018 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-31 22:03:36,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:36,020 INFO L85 PathProgramCache]: Analyzing trace with hash -404507953, now seen corresponding path program 1 times [2024-10-31 22:03:36,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:36,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090316326] [2024-10-31 22:03:36,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:36,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:36,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:36,920 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 22:03:36,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:36,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090316326] [2024-10-31 22:03:36,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090316326] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:36,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:36,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:03:36,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281153453] [2024-10-31 22:03:36,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:36,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:03:36,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:36,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:03:36,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:03:37,576 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 267 [2024-10-31 22:03:37,579 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 263 transitions, 867 flow. Second operand has 6 states, 6 states have (on average 200.33333333333334) internal successors, (1202), 6 states have internal predecessors, (1202), 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 22:03:37,579 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:37,579 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 267 [2024-10-31 22:03:37,580 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:39,025 INFO L124 PetriNetUnfolderBase]: 1876/4742 cut-off events. [2024-10-31 22:03:39,025 INFO L125 PetriNetUnfolderBase]: For 2927/3033 co-relation queries the response was YES. [2024-10-31 22:03:39,069 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11451 conditions, 4742 events. 1876/4742 cut-off events. For 2927/3033 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 37625 event pairs, 887 based on Foata normal form. 0/4615 useless extension candidates. Maximal degree in co-relation 6805. Up to 2473 conditions per place. [2024-10-31 22:03:39,111 INFO L140 encePairwiseOnDemand]: 251/267 looper letters, 115 selfloop transitions, 26 changer transitions 0/307 dead transitions. [2024-10-31 22:03:39,111 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 307 transitions, 1337 flow [2024-10-31 22:03:39,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:03:39,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:03:39,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1273 transitions. [2024-10-31 22:03:39,118 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7946317103620475 [2024-10-31 22:03:39,118 INFO L175 Difference]: Start difference. First operand has 238 places, 263 transitions, 867 flow. Second operand 6 states and 1273 transitions. [2024-10-31 22:03:39,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 307 transitions, 1337 flow [2024-10-31 22:03:39,126 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 307 transitions, 1289 flow, removed 24 selfloop flow, removed 0 redundant places. [2024-10-31 22:03:39,133 INFO L231 Difference]: Finished difference. Result has 236 places, 283 transitions, 1051 flow [2024-10-31 22:03:39,134 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=817, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1051, PETRI_PLACES=236, PETRI_TRANSITIONS=283} [2024-10-31 22:03:39,136 INFO L277 CegarLoopForPetriNet]: 261 programPoint places, -25 predicate places. [2024-10-31 22:03:39,136 INFO L471 AbstractCegarLoop]: Abstraction has has 236 places, 283 transitions, 1051 flow [2024-10-31 22:03:39,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 200.33333333333334) internal successors, (1202), 6 states have internal predecessors, (1202), 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 22:03:39,137 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:39,138 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] [2024-10-31 22:03:39,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:03:39,141 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-31 22:03:39,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:39,142 INFO L85 PathProgramCache]: Analyzing trace with hash 45023431, now seen corresponding path program 1 times [2024-10-31 22:03:39,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:39,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230329127] [2024-10-31 22:03:39,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:39,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:39,742 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 22:03:39,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:39,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230329127] [2024-10-31 22:03:39,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230329127] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:39,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:39,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:03:39,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445630337] [2024-10-31 22:03:39,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:39,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:03:39,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:39,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:03:39,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:03:40,067 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 267 [2024-10-31 22:03:40,069 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 283 transitions, 1051 flow. Second operand has 6 states, 6 states have (on average 200.33333333333334) internal successors, (1202), 6 states have internal predecessors, (1202), 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 22:03:40,069 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:40,069 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 267 [2024-10-31 22:03:40,070 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:41,181 INFO L124 PetriNetUnfolderBase]: 2224/5081 cut-off events. [2024-10-31 22:03:41,181 INFO L125 PetriNetUnfolderBase]: For 5806/6067 co-relation queries the response was YES. [2024-10-31 22:03:41,207 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14164 conditions, 5081 events. 2224/5081 cut-off events. For 5806/6067 co-relation queries the response was YES. Maximal size of possible extension queue 209. Compared 38851 event pairs, 987 based on Foata normal form. 70/5011 useless extension candidates. Maximal degree in co-relation 10165. Up to 2857 conditions per place. [2024-10-31 22:03:41,229 INFO L140 encePairwiseOnDemand]: 252/267 looper letters, 128 selfloop transitions, 36 changer transitions 38/342 dead transitions. [2024-10-31 22:03:41,230 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 342 transitions, 1771 flow [2024-10-31 22:03:41,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:03:41,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:03:41,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1271 transitions. [2024-10-31 22:03:41,233 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7933832709113608 [2024-10-31 22:03:41,233 INFO L175 Difference]: Start difference. First operand has 236 places, 283 transitions, 1051 flow. Second operand 6 states and 1271 transitions. [2024-10-31 22:03:41,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 342 transitions, 1771 flow [2024-10-31 22:03:41,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 342 transitions, 1771 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:03:41,248 INFO L231 Difference]: Finished difference. Result has 244 places, 280 transitions, 1381 flow [2024-10-31 22:03:41,249 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=1049, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1381, PETRI_PLACES=244, PETRI_TRANSITIONS=280} [2024-10-31 22:03:41,250 INFO L277 CegarLoopForPetriNet]: 261 programPoint places, -17 predicate places. [2024-10-31 22:03:41,250 INFO L471 AbstractCegarLoop]: Abstraction has has 244 places, 280 transitions, 1381 flow [2024-10-31 22:03:41,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 200.33333333333334) internal successors, (1202), 6 states have internal predecessors, (1202), 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 22:03:41,251 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:41,251 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:03:41,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-31 22:03:41,252 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-31 22:03:41,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:41,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1191392216, now seen corresponding path program 1 times [2024-10-31 22:03:41,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:41,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657391106] [2024-10-31 22:03:41,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:41,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:41,433 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 22:03:41,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:41,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657391106] [2024-10-31 22:03:41,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657391106] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:41,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:41,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:03:41,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261672847] [2024-10-31 22:03:41,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:41,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:03:41,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:41,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:03:41,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:03:41,471 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 267 [2024-10-31 22:03:41,472 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 280 transitions, 1381 flow. Second operand has 5 states, 5 states have (on average 217.4) internal successors, (1087), 5 states have internal predecessors, (1087), 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 22:03:41,476 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:41,476 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 267 [2024-10-31 22:03:41,476 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:41,884 INFO L124 PetriNetUnfolderBase]: 575/1368 cut-off events. [2024-10-31 22:03:41,885 INFO L125 PetriNetUnfolderBase]: For 2361/2361 co-relation queries the response was YES. [2024-10-31 22:03:41,891 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3603 conditions, 1368 events. 575/1368 cut-off events. For 2361/2361 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 8525 event pairs, 30 based on Foata normal form. 0/1368 useless extension candidates. Maximal degree in co-relation 3581. Up to 587 conditions per place. [2024-10-31 22:03:41,897 INFO L140 encePairwiseOnDemand]: 262/267 looper letters, 61 selfloop transitions, 4 changer transitions 0/163 dead transitions. [2024-10-31 22:03:41,897 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 163 transitions, 660 flow [2024-10-31 22:03:41,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:03:41,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:03:41,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1356 transitions. [2024-10-31 22:03:41,900 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.846441947565543 [2024-10-31 22:03:41,901 INFO L175 Difference]: Start difference. First operand has 244 places, 280 transitions, 1381 flow. Second operand 6 states and 1356 transitions. [2024-10-31 22:03:41,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 163 transitions, 660 flow [2024-10-31 22:03:41,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 163 transitions, 520 flow, removed 70 selfloop flow, removed 3 redundant places. [2024-10-31 22:03:41,906 INFO L231 Difference]: Finished difference. Result has 149 places, 123 transitions, 270 flow [2024-10-31 22:03:41,907 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=270, PETRI_PLACES=149, PETRI_TRANSITIONS=123} [2024-10-31 22:03:41,908 INFO L277 CegarLoopForPetriNet]: 261 programPoint places, -112 predicate places. [2024-10-31 22:03:41,908 INFO L471 AbstractCegarLoop]: Abstraction has has 149 places, 123 transitions, 270 flow [2024-10-31 22:03:41,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 217.4) internal successors, (1087), 5 states have internal predecessors, (1087), 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 22:03:41,909 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:41,909 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] [2024-10-31 22:03:41,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-31 22:03:41,910 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-31 22:03:41,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:41,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1497413954, now seen corresponding path program 1 times [2024-10-31 22:03:41,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:41,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798077064] [2024-10-31 22:03:41,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:41,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:41,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:42,031 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 22:03:42,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:42,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798077064] [2024-10-31 22:03:42,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798077064] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:42,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:42,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:42,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053987413] [2024-10-31 22:03:42,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:42,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:03:42,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:42,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:42,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:42,043 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 267 [2024-10-31 22:03:42,044 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 123 transitions, 270 flow. Second operand has 3 states, 3 states have (on average 228.0) internal successors, (684), 3 states have internal predecessors, (684), 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 22:03:42,044 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:42,044 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 267 [2024-10-31 22:03:42,044 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:42,271 INFO L124 PetriNetUnfolderBase]: 285/776 cut-off events. [2024-10-31 22:03:42,271 INFO L125 PetriNetUnfolderBase]: For 150/152 co-relation queries the response was YES. [2024-10-31 22:03:42,274 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1532 conditions, 776 events. 285/776 cut-off events. For 150/152 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 4105 event pairs, 280 based on Foata normal form. 6/750 useless extension candidates. Maximal degree in co-relation 1512. Up to 479 conditions per place. [2024-10-31 22:03:42,275 INFO L140 encePairwiseOnDemand]: 265/267 looper letters, 0 selfloop transitions, 0 changer transitions 127/127 dead transitions. [2024-10-31 22:03:42,276 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 127 transitions, 332 flow [2024-10-31 22:03:42,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:42,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:03:42,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 694 transitions. [2024-10-31 22:03:42,278 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8664169787765293 [2024-10-31 22:03:42,278 INFO L175 Difference]: Start difference. First operand has 149 places, 123 transitions, 270 flow. Second operand 3 states and 694 transitions. [2024-10-31 22:03:42,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 127 transitions, 332 flow [2024-10-31 22:03:42,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 127 transitions, 325 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-31 22:03:42,280 INFO L231 Difference]: Finished difference. Result has 146 places, 0 transitions, 0 flow [2024-10-31 22:03:42,281 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=261, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=146, PETRI_TRANSITIONS=0} [2024-10-31 22:03:42,281 INFO L277 CegarLoopForPetriNet]: 261 programPoint places, -115 predicate places. [2024-10-31 22:03:42,281 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 0 transitions, 0 flow [2024-10-31 22:03:42,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.0) internal successors, (684), 3 states have internal predecessors, (684), 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 22:03:42,285 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (26 of 27 remaining) [2024-10-31 22:03:42,285 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining) [2024-10-31 22:03:42,286 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining) [2024-10-31 22:03:42,286 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining) [2024-10-31 22:03:42,286 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining) [2024-10-31 22:03:42,286 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining) [2024-10-31 22:03:42,286 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining) [2024-10-31 22:03:42,287 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining) [2024-10-31 22:03:42,287 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining) [2024-10-31 22:03:42,287 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining) [2024-10-31 22:03:42,287 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining) [2024-10-31 22:03:42,287 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining) [2024-10-31 22:03:42,288 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining) [2024-10-31 22:03:42,288 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (13 of 27 remaining) [2024-10-31 22:03:42,288 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (12 of 27 remaining) [2024-10-31 22:03:42,288 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (11 of 27 remaining) [2024-10-31 22:03:42,289 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 27 remaining) [2024-10-31 22:03:42,289 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 27 remaining) [2024-10-31 22:03:42,289 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining) [2024-10-31 22:03:42,289 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (7 of 27 remaining) [2024-10-31 22:03:42,289 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining) [2024-10-31 22:03:42,290 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining) [2024-10-31 22:03:42,290 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining) [2024-10-31 22:03:42,290 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining) [2024-10-31 22:03:42,290 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining) [2024-10-31 22:03:42,291 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining) [2024-10-31 22:03:42,291 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining) [2024-10-31 22:03:42,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-31 22:03:42,291 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:03:42,297 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-31 22:03:42,297 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:03:42,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:03:42 BasicIcfg [2024-10-31 22:03:42,303 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:03:42,303 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:03:42,304 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:03:42,304 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:03:42,304 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:03:23" (3/4) ... [2024-10-31 22:03:42,306 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-10-31 22:03:42,310 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2024-10-31 22:03:42,317 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-10-31 22:03:42,317 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-31 22:03:42,318 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-31 22:03:42,318 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-31 22:03:42,430 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da594f5b-fe3d-4041-92d6-77b277cded42/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 22:03:42,431 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da594f5b-fe3d-4041-92d6-77b277cded42/bin/uautomizer-verify-4GaUIPS5ZU/witness.yml [2024-10-31 22:03:42,431 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:03:42,432 INFO L158 Benchmark]: Toolchain (without parser) took 20966.14ms. Allocated memory was 157.3MB in the beginning and 767.6MB in the end (delta: 610.3MB). Free memory was 112.0MB in the beginning and 368.1MB in the end (delta: -256.1MB). Peak memory consumption was 357.1MB. Max. memory is 16.1GB. [2024-10-31 22:03:42,432 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 157.3MB. Free memory is still 130.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:03:42,432 INFO L158 Benchmark]: CACSL2BoogieTranslator took 883.01ms. Allocated memory is still 157.3MB. Free memory was 111.8MB in the beginning and 73.7MB in the end (delta: 38.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-10-31 22:03:42,433 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.05ms. Allocated memory is still 157.3MB. Free memory was 73.7MB in the beginning and 69.9MB in the end (delta: 3.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:03:42,433 INFO L158 Benchmark]: Boogie Preprocessor took 73.50ms. Allocated memory is still 157.3MB. Free memory was 69.9MB in the beginning and 65.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:03:42,434 INFO L158 Benchmark]: RCFGBuilder took 1239.27ms. Allocated memory was 157.3MB in the beginning and 203.4MB in the end (delta: 46.1MB). Free memory was 65.3MB in the beginning and 131.2MB in the end (delta: -65.9MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2024-10-31 22:03:42,434 INFO L158 Benchmark]: TraceAbstraction took 18539.47ms. Allocated memory was 203.4MB in the beginning and 767.6MB in the end (delta: 564.1MB). Free memory was 131.2MB in the beginning and 374.4MB in the end (delta: -243.2MB). Peak memory consumption was 320.9MB. Max. memory is 16.1GB. [2024-10-31 22:03:42,435 INFO L158 Benchmark]: Witness Printer took 127.81ms. Allocated memory is still 767.6MB. Free memory was 374.4MB in the beginning and 368.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-31 22:03:42,437 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 157.3MB. Free memory is still 130.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 883.01ms. Allocated memory is still 157.3MB. Free memory was 111.8MB in the beginning and 73.7MB in the end (delta: 38.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.05ms. Allocated memory is still 157.3MB. Free memory was 73.7MB in the beginning and 69.9MB in the end (delta: 3.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.50ms. Allocated memory is still 157.3MB. Free memory was 69.9MB in the beginning and 65.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1239.27ms. Allocated memory was 157.3MB in the beginning and 203.4MB in the end (delta: 46.1MB). Free memory was 65.3MB in the beginning and 131.2MB in the end (delta: -65.9MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * TraceAbstraction took 18539.47ms. Allocated memory was 203.4MB in the beginning and 767.6MB in the end (delta: 564.1MB). Free memory was 131.2MB in the beginning and 374.4MB in the end (delta: -243.2MB). Peak memory consumption was 320.9MB. Max. memory is 16.1GB. * Witness Printer took 127.81ms. Allocated memory is still 767.6MB. Free memory was 374.4MB in the beginning and 368.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3929]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3940]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3943]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3946]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3949]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3930]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3973]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3951]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3952]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3974]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3975]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3969]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3976]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3970]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3907]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3910]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3913]: 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 4 procedures, 280 locations, 27 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: 18.4s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1093 SdHoareTripleChecker+Valid, 5.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 673 mSDsluCounter, 85 SdHoareTripleChecker+Invalid, 4.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 338 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2973 IncrementalHoareTripleChecker+Invalid, 3311 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 338 mSolverCounterUnsat, 73 mSDtfsCounter, 2973 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1381occurred in iteration=9, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 753 NumberOfCodeBlocks, 753 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 742 ConstructedInterpolants, 0 QuantifiedInterpolants, 1298 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 19 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-31 22:03:42,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da594f5b-fe3d-4041-92d6-77b277cded42/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE