./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-2_2-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887773a9-14f9-44e6-abee-7443d32edbdc/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887773a9-14f9-44e6-abee-7443d32edbdc/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_887773a9-14f9-44e6-abee-7443d32edbdc/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887773a9-14f9-44e6-abee-7443d32edbdc/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_2-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887773a9-14f9-44e6-abee-7443d32edbdc/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_887773a9-14f9-44e6-abee-7443d32edbdc/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 6053c0f6a5de5dc1a7614e5acfd1de5bdb570ebc833d8c4c70a1e68bd98ac1b0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:07:01,426 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:07:01,523 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887773a9-14f9-44e6-abee-7443d32edbdc/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 22:07:01,531 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:07:01,531 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:07:01,579 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:07:01,580 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:07:01,582 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:07:01,583 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:07:01,584 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:07:01,587 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:07:01,587 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:07:01,588 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:07:01,588 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:07:01,589 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:07:01,589 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:07:01,589 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:07:01,590 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:07:01,590 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:07:01,591 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:07:01,591 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:07:01,597 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:07:01,597 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 22:07:01,598 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:07:01,598 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:07:01,599 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:07:01,599 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:07:01,599 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:07:01,600 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:07:01,600 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:07:01,601 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:07:01,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:07:01,603 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:07:01,603 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:07:01,603 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:07:01,603 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:07:01,604 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:07:01,604 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:07:01,604 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:07:01,605 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:07:01,605 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:07:01,606 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_887773a9-14f9-44e6-abee-7443d32edbdc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887773a9-14f9-44e6-abee-7443d32edbdc/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6053c0f6a5de5dc1a7614e5acfd1de5bdb570ebc833d8c4c70a1e68bd98ac1b0 [2024-10-31 22:07:01,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:07:01,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:07:01,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:07:01,962 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:07:01,962 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:07:01,964 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887773a9-14f9-44e6-abee-7443d32edbdc/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/ldv-races/race-2_2-container_of.i Unable to find full path for "g++" [2024-10-31 22:07:04,149 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:07:04,515 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:07:04,518 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887773a9-14f9-44e6-abee-7443d32edbdc/sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2024-10-31 22:07:04,564 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887773a9-14f9-44e6-abee-7443d32edbdc/bin/uautomizer-verify-4GaUIPS5ZU/data/3b248ec52/fd058ca770a44689ad8d9a4614fac6f3/FLAGdfdc54f07 [2024-10-31 22:07:04,728 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887773a9-14f9-44e6-abee-7443d32edbdc/bin/uautomizer-verify-4GaUIPS5ZU/data/3b248ec52/fd058ca770a44689ad8d9a4614fac6f3 [2024-10-31 22:07:04,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:07:04,733 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:07:04,734 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:07:04,734 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:07:04,743 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:07:04,744 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:07:04" (1/1) ... [2024-10-31 22:07:04,745 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c16e08e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:04, skipping insertion in model container [2024-10-31 22:07:04,745 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:07:04" (1/1) ... [2024-10-31 22:07:04,831 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:07:05,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:07:05,405 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:07:05,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:07:05,577 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:07:05,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:05 WrapperNode [2024-10-31 22:07:05,578 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:07:05,579 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:07:05,580 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:07:05,580 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:07:05,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:05" (1/1) ... [2024-10-31 22:07:05,620 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:05" (1/1) ... [2024-10-31 22:07:05,658 INFO L138 Inliner]: procedures = 246, calls = 40, calls flagged for inlining = 11, calls inlined = 14, statements flattened = 180 [2024-10-31 22:07:05,659 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:07:05,660 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:07:05,660 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:07:05,660 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:07:05,670 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:05" (1/1) ... [2024-10-31 22:07:05,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:05" (1/1) ... [2024-10-31 22:07:05,677 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:05" (1/1) ... [2024-10-31 22:07:05,678 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:05" (1/1) ... [2024-10-31 22:07:05,697 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:05" (1/1) ... [2024-10-31 22:07:05,699 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:05" (1/1) ... [2024-10-31 22:07:05,704 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:05" (1/1) ... [2024-10-31 22:07:05,707 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:05" (1/1) ... [2024-10-31 22:07:05,712 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:07:05,713 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:07:05,714 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:07:05,714 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:07:05,715 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:05" (1/1) ... [2024-10-31 22:07:05,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:07:05,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887773a9-14f9-44e6-abee-7443d32edbdc/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:05,755 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887773a9-14f9-44e6-abee-7443d32edbdc/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:05,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887773a9-14f9-44e6-abee-7443d32edbdc/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:07:05,804 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-10-31 22:07:05,804 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-10-31 22:07:05,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-31 22:07:05,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:07:05,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:07:05,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-31 22:07:05,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-31 22:07:05,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-31 22:07:05,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:07:05,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-10-31 22:07:05,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:07:05,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:07:05,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:07:05,810 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 22:07:06,178 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:07:06,181 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:07:06,699 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:07:06,702 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:07:06,815 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:07:06,817 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:07:06,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:07:06 BoogieIcfgContainer [2024-10-31 22:07:06,818 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:07:06,822 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:07:06,823 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:07:06,827 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:07:06,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:07:04" (1/3) ... [2024-10-31 22:07:06,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b93f4e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:07:06, skipping insertion in model container [2024-10-31 22:07:06,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:05" (2/3) ... [2024-10-31 22:07:06,831 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b93f4e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:07:06, skipping insertion in model container [2024-10-31 22:07:06,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:07:06" (3/3) ... [2024-10-31 22:07:06,834 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_2-container_of.i [2024-10-31 22:07:06,862 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:07:06,862 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 15 error locations. [2024-10-31 22:07:06,862 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:07:06,985 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-31 22:07:07,044 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 247 places, 251 transitions, 516 flow [2024-10-31 22:07:07,192 INFO L124 PetriNetUnfolderBase]: 14/335 cut-off events. [2024-10-31 22:07:07,192 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-31 22:07:07,203 INFO L83 FinitePrefix]: Finished finitePrefix Result has 344 conditions, 335 events. 14/335 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 651 event pairs, 0 based on Foata normal form. 0/296 useless extension candidates. Maximal degree in co-relation 173. Up to 4 conditions per place. [2024-10-31 22:07:07,203 INFO L82 GeneralOperation]: Start removeDead. Operand has 247 places, 251 transitions, 516 flow [2024-10-31 22:07:07,215 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 245 places, 248 transitions, 508 flow [2024-10-31 22:07:07,233 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:07:07,242 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;@52cc128, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:07:07,243 INFO L334 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2024-10-31 22:07:07,254 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:07:07,255 INFO L124 PetriNetUnfolderBase]: 0/31 cut-off events. [2024-10-31 22:07:07,255 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:07:07,255 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:07:07,256 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 22:07:07,257 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-10-31 22:07:07,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:07,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1506282842, now seen corresponding path program 1 times [2024-10-31 22:07:07,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:07,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432328870] [2024-10-31 22:07:07,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:07,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:07,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:08,571 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 22:07:08,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:08,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432328870] [2024-10-31 22:07:08,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432328870] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:08,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:08,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:07:08,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613212544] [2024-10-31 22:07:08,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:08,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:07:08,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:08,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:07:08,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:07:09,119 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 251 [2024-10-31 22:07:09,128 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 248 transitions, 508 flow. Second operand has 6 states, 6 states have (on average 189.33333333333334) internal successors, (1136), 6 states have internal predecessors, (1136), 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 22:07:09,128 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:07:09,129 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 251 [2024-10-31 22:07:09,130 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:07:09,788 INFO L124 PetriNetUnfolderBase]: 424/1641 cut-off events. [2024-10-31 22:07:09,788 INFO L125 PetriNetUnfolderBase]: For 20/22 co-relation queries the response was YES. [2024-10-31 22:07:09,796 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2414 conditions, 1641 events. 424/1641 cut-off events. For 20/22 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 10906 event pairs, 423 based on Foata normal form. 72/1603 useless extension candidates. Maximal degree in co-relation 2167. Up to 750 conditions per place. [2024-10-31 22:07:09,805 INFO L140 encePairwiseOnDemand]: 231/251 looper letters, 39 selfloop transitions, 5 changer transitions 6/221 dead transitions. [2024-10-31 22:07:09,805 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 221 transitions, 542 flow [2024-10-31 22:07:09,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:07:09,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:07:09,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1187 transitions. [2024-10-31 22:07:09,830 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7881806108897742 [2024-10-31 22:07:09,832 INFO L175 Difference]: Start difference. First operand has 245 places, 248 transitions, 508 flow. Second operand 6 states and 1187 transitions. [2024-10-31 22:07:09,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 221 transitions, 542 flow [2024-10-31 22:07:09,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 221 transitions, 534 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-31 22:07:09,846 INFO L231 Difference]: Finished difference. Result has 227 places, 215 transitions, 444 flow [2024-10-31 22:07:09,849 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=446, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=444, PETRI_PLACES=227, PETRI_TRANSITIONS=215} [2024-10-31 22:07:09,856 INFO L277 CegarLoopForPetriNet]: 245 programPoint places, -18 predicate places. [2024-10-31 22:07:09,857 INFO L471 AbstractCegarLoop]: Abstraction has has 227 places, 215 transitions, 444 flow [2024-10-31 22:07:09,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.33333333333334) internal successors, (1136), 6 states have internal predecessors, (1136), 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 22:07:09,858 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:07:09,858 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:09,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:07:09,859 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-10-31 22:07:09,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:09,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1400294310, now seen corresponding path program 1 times [2024-10-31 22:07:09,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:09,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55450931] [2024-10-31 22:07:09,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:09,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:09,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:10,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:10,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:10,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55450931] [2024-10-31 22:07:10,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55450931] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:10,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:10,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:07:10,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592478002] [2024-10-31 22:07:10,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:10,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:07:10,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:10,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:07:10,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:07:10,821 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 251 [2024-10-31 22:07:10,823 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 215 transitions, 444 flow. Second operand has 6 states, 6 states have (on average 189.33333333333334) internal successors, (1136), 6 states have internal predecessors, (1136), 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 22:07:10,823 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:07:10,824 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 251 [2024-10-31 22:07:10,824 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:07:11,343 INFO L124 PetriNetUnfolderBase]: 424/1634 cut-off events. [2024-10-31 22:07:11,343 INFO L125 PetriNetUnfolderBase]: For 5/7 co-relation queries the response was YES. [2024-10-31 22:07:11,350 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2401 conditions, 1634 events. 424/1634 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 10885 event pairs, 423 based on Foata normal form. 0/1527 useless extension candidates. Maximal degree in co-relation 2358. Up to 750 conditions per place. [2024-10-31 22:07:11,362 INFO L140 encePairwiseOnDemand]: 245/251 looper letters, 39 selfloop transitions, 5 changer transitions 0/214 dead transitions. [2024-10-31 22:07:11,362 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 214 transitions, 530 flow [2024-10-31 22:07:11,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:07:11,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:07:11,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1173 transitions. [2024-10-31 22:07:11,369 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7788844621513944 [2024-10-31 22:07:11,369 INFO L175 Difference]: Start difference. First operand has 227 places, 215 transitions, 444 flow. Second operand 6 states and 1173 transitions. [2024-10-31 22:07:11,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 214 transitions, 530 flow [2024-10-31 22:07:11,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 214 transitions, 520 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:07:11,378 INFO L231 Difference]: Finished difference. Result has 220 places, 214 transitions, 442 flow [2024-10-31 22:07:11,381 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=432, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=442, PETRI_PLACES=220, PETRI_TRANSITIONS=214} [2024-10-31 22:07:11,382 INFO L277 CegarLoopForPetriNet]: 245 programPoint places, -25 predicate places. [2024-10-31 22:07:11,382 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 214 transitions, 442 flow [2024-10-31 22:07:11,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.33333333333334) internal successors, (1136), 6 states have internal predecessors, (1136), 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 22:07:11,384 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:07:11,384 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 22:07:11,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:07:11,384 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-10-31 22:07:11,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:11,385 INFO L85 PathProgramCache]: Analyzing trace with hash -467924554, now seen corresponding path program 1 times [2024-10-31 22:07:11,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:11,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78710855] [2024-10-31 22:07:11,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:11,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:11,509 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 22:07:11,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:11,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78710855] [2024-10-31 22:07:11,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78710855] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:11,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:11,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:07:11,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574814504] [2024-10-31 22:07:11,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:11,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:07:11,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:11,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:07:11,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:07:11,533 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 251 [2024-10-31 22:07:11,534 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 214 transitions, 442 flow. Second operand has 3 states, 3 states have (on average 216.33333333333334) internal successors, (649), 3 states have internal predecessors, (649), 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 22:07:11,535 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:07:11,535 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 251 [2024-10-31 22:07:11,535 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:07:11,663 INFO L124 PetriNetUnfolderBase]: 67/519 cut-off events. [2024-10-31 22:07:11,664 INFO L125 PetriNetUnfolderBase]: For 5/7 co-relation queries the response was YES. [2024-10-31 22:07:11,666 INFO L83 FinitePrefix]: Finished finitePrefix Result has 665 conditions, 519 events. 67/519 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2169 event pairs, 63 based on Foata normal form. 0/485 useless extension candidates. Maximal degree in co-relation 615. Up to 128 conditions per place. [2024-10-31 22:07:11,668 INFO L140 encePairwiseOnDemand]: 248/251 looper letters, 18 selfloop transitions, 2 changer transitions 0/216 dead transitions. [2024-10-31 22:07:11,668 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 216 transitions, 486 flow [2024-10-31 22:07:11,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:07:11,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:07:11,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 666 transitions. [2024-10-31 22:07:11,671 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8844621513944223 [2024-10-31 22:07:11,671 INFO L175 Difference]: Start difference. First operand has 220 places, 214 transitions, 442 flow. Second operand 3 states and 666 transitions. [2024-10-31 22:07:11,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 216 transitions, 486 flow [2024-10-31 22:07:11,673 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 216 transitions, 476 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:07:11,676 INFO L231 Difference]: Finished difference. Result has 216 places, 213 transitions, 434 flow [2024-10-31 22:07:11,677 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=430, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=434, PETRI_PLACES=216, PETRI_TRANSITIONS=213} [2024-10-31 22:07:11,678 INFO L277 CegarLoopForPetriNet]: 245 programPoint places, -29 predicate places. [2024-10-31 22:07:11,678 INFO L471 AbstractCegarLoop]: Abstraction has has 216 places, 213 transitions, 434 flow [2024-10-31 22:07:11,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.33333333333334) internal successors, (649), 3 states have internal predecessors, (649), 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 22:07:11,679 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:07:11,679 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] [2024-10-31 22:07:11,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:07:11,680 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-10-31 22:07:11,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:11,680 INFO L85 PathProgramCache]: Analyzing trace with hash -278579924, now seen corresponding path program 1 times [2024-10-31 22:07:11,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:11,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744868443] [2024-10-31 22:07:11,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:11,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:11,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:11,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:11,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:11,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744868443] [2024-10-31 22:07:11,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744868443] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:11,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:11,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:07:11,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328308085] [2024-10-31 22:07:11,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:11,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:07:11,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:11,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:07:11,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:07:11,790 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 251 [2024-10-31 22:07:11,791 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 213 transitions, 434 flow. Second operand has 3 states, 3 states have (on average 219.66666666666666) internal successors, (659), 3 states have internal predecessors, (659), 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 22:07:11,791 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:07:11,791 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 251 [2024-10-31 22:07:11,792 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:07:11,923 INFO L124 PetriNetUnfolderBase]: 63/481 cut-off events. [2024-10-31 22:07:11,923 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-31 22:07:11,925 INFO L83 FinitePrefix]: Finished finitePrefix Result has 614 conditions, 481 events. 63/481 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1566 event pairs, 12 based on Foata normal form. 0/447 useless extension candidates. Maximal degree in co-relation 472. Up to 90 conditions per place. [2024-10-31 22:07:11,927 INFO L140 encePairwiseOnDemand]: 249/251 looper letters, 18 selfloop transitions, 1 changer transitions 0/218 dead transitions. [2024-10-31 22:07:11,927 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 218 transitions, 482 flow [2024-10-31 22:07:11,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:07:11,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:07:11,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 677 transitions. [2024-10-31 22:07:11,930 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.899070385126162 [2024-10-31 22:07:11,930 INFO L175 Difference]: Start difference. First operand has 216 places, 213 transitions, 434 flow. Second operand 3 states and 677 transitions. [2024-10-31 22:07:11,930 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 218 transitions, 482 flow [2024-10-31 22:07:11,932 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 218 transitions, 478 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:07:11,935 INFO L231 Difference]: Finished difference. Result has 215 places, 212 transitions, 430 flow [2024-10-31 22:07:11,935 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=428, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=430, PETRI_PLACES=215, PETRI_TRANSITIONS=212} [2024-10-31 22:07:11,936 INFO L277 CegarLoopForPetriNet]: 245 programPoint places, -30 predicate places. [2024-10-31 22:07:11,936 INFO L471 AbstractCegarLoop]: Abstraction has has 215 places, 212 transitions, 430 flow [2024-10-31 22:07:11,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 219.66666666666666) internal successors, (659), 3 states have internal predecessors, (659), 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 22:07:11,937 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:07:11,938 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 22:07:11,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:07:11,938 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-10-31 22:07:11,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:11,939 INFO L85 PathProgramCache]: Analyzing trace with hash -758595191, now seen corresponding path program 1 times [2024-10-31 22:07:11,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:11,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141162434] [2024-10-31 22:07:11,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:11,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:12,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:12,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:12,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141162434] [2024-10-31 22:07:12,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141162434] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:12,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:12,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:07:12,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218864065] [2024-10-31 22:07:12,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:12,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:07:12,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:12,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:07:12,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:07:12,075 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 251 [2024-10-31 22:07:12,076 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 212 transitions, 430 flow. Second operand has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 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 22:07:12,076 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:07:12,077 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 251 [2024-10-31 22:07:12,077 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:07:12,246 INFO L124 PetriNetUnfolderBase]: 75/768 cut-off events. [2024-10-31 22:07:12,246 INFO L125 PetriNetUnfolderBase]: For 5/13 co-relation queries the response was YES. [2024-10-31 22:07:12,248 INFO L83 FinitePrefix]: Finished finitePrefix Result has 931 conditions, 768 events. 75/768 cut-off events. For 5/13 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3443 event pairs, 45 based on Foata normal form. 0/709 useless extension candidates. Maximal degree in co-relation 776. Up to 109 conditions per place. [2024-10-31 22:07:12,251 INFO L140 encePairwiseOnDemand]: 248/251 looper letters, 21 selfloop transitions, 2 changer transitions 0/217 dead transitions. [2024-10-31 22:07:12,251 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 217 transitions, 486 flow [2024-10-31 22:07:12,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:07:12,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:07:12,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 669 transitions. [2024-10-31 22:07:12,254 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8884462151394422 [2024-10-31 22:07:12,254 INFO L175 Difference]: Start difference. First operand has 215 places, 212 transitions, 430 flow. Second operand 3 states and 669 transitions. [2024-10-31 22:07:12,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 217 transitions, 486 flow [2024-10-31 22:07:12,256 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 217 transitions, 485 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:07:12,259 INFO L231 Difference]: Finished difference. Result has 215 places, 211 transitions, 431 flow [2024-10-31 22:07:12,260 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=427, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=431, PETRI_PLACES=215, PETRI_TRANSITIONS=211} [2024-10-31 22:07:12,263 INFO L277 CegarLoopForPetriNet]: 245 programPoint places, -30 predicate places. [2024-10-31 22:07:12,264 INFO L471 AbstractCegarLoop]: Abstraction has has 215 places, 211 transitions, 431 flow [2024-10-31 22:07:12,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 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 22:07:12,265 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:07:12,266 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 22:07:12,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:07:12,267 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-10-31 22:07:12,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:12,268 INFO L85 PathProgramCache]: Analyzing trace with hash -535666774, now seen corresponding path program 1 times [2024-10-31 22:07:12,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:12,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069896533] [2024-10-31 22:07:12,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:12,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:12,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:12,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:12,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:12,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069896533] [2024-10-31 22:07:12,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069896533] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:12,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:12,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:07:12,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074391706] [2024-10-31 22:07:12,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:12,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:07:12,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:12,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:07:12,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:07:13,537 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 251 [2024-10-31 22:07:13,539 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 211 transitions, 431 flow. Second operand has 6 states, 6 states have (on average 194.66666666666666) internal successors, (1168), 6 states have internal predecessors, (1168), 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 22:07:13,539 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:07:13,540 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 251 [2024-10-31 22:07:13,540 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:07:14,152 INFO L124 PetriNetUnfolderBase]: 507/1768 cut-off events. [2024-10-31 22:07:14,152 INFO L125 PetriNetUnfolderBase]: For 5/13 co-relation queries the response was YES. [2024-10-31 22:07:14,156 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2687 conditions, 1768 events. 507/1768 cut-off events. For 5/13 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 10856 event pairs, 309 based on Foata normal form. 0/1681 useless extension candidates. Maximal degree in co-relation 2494. Up to 803 conditions per place. [2024-10-31 22:07:14,163 INFO L140 encePairwiseOnDemand]: 238/251 looper letters, 37 selfloop transitions, 30 changer transitions 7/240 dead transitions. [2024-10-31 22:07:14,163 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 240 transitions, 629 flow [2024-10-31 22:07:14,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:07:14,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:07:14,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1223 transitions. [2024-10-31 22:07:14,167 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8120849933598937 [2024-10-31 22:07:14,167 INFO L175 Difference]: Start difference. First operand has 215 places, 211 transitions, 431 flow. Second operand 6 states and 1223 transitions. [2024-10-31 22:07:14,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 240 transitions, 629 flow [2024-10-31 22:07:14,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 240 transitions, 625 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:07:14,174 INFO L231 Difference]: Finished difference. Result has 223 places, 233 transitions, 615 flow [2024-10-31 22:07:14,174 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=427, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=615, PETRI_PLACES=223, PETRI_TRANSITIONS=233} [2024-10-31 22:07:14,175 INFO L277 CegarLoopForPetriNet]: 245 programPoint places, -22 predicate places. [2024-10-31 22:07:14,175 INFO L471 AbstractCegarLoop]: Abstraction has has 223 places, 233 transitions, 615 flow [2024-10-31 22:07:14,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 194.66666666666666) internal successors, (1168), 6 states have internal predecessors, (1168), 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 22:07:14,176 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:07:14,176 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 22:07:14,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:07:14,177 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-10-31 22:07:14,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:14,177 INFO L85 PathProgramCache]: Analyzing trace with hash -18569913, now seen corresponding path program 1 times [2024-10-31 22:07:14,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:14,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295234092] [2024-10-31 22:07:14,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:14,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:14,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:14,793 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 22:07:14,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:14,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295234092] [2024-10-31 22:07:14,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295234092] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:14,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:14,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:07:14,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109581674] [2024-10-31 22:07:14,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:14,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:07:14,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:14,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:07:14,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:07:15,411 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 251 [2024-10-31 22:07:15,413 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 233 transitions, 615 flow. Second operand has 6 states, 6 states have (on average 194.66666666666666) internal successors, (1168), 6 states have internal predecessors, (1168), 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 22:07:15,413 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:07:15,414 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 251 [2024-10-31 22:07:15,414 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:07:16,083 INFO L124 PetriNetUnfolderBase]: 665/1836 cut-off events. [2024-10-31 22:07:16,083 INFO L125 PetriNetUnfolderBase]: For 602/616 co-relation queries the response was YES. [2024-10-31 22:07:16,088 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3982 conditions, 1836 events. 665/1836 cut-off events. For 602/616 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 10970 event pairs, 306 based on Foata normal form. 0/1766 useless extension candidates. Maximal degree in co-relation 2437. Up to 931 conditions per place. [2024-10-31 22:07:16,096 INFO L140 encePairwiseOnDemand]: 238/251 looper letters, 60 selfloop transitions, 30 changer transitions 11/262 dead transitions. [2024-10-31 22:07:16,096 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 262 transitions, 903 flow [2024-10-31 22:07:16,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:07:16,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:07:16,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1220 transitions. [2024-10-31 22:07:16,099 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8100929614873837 [2024-10-31 22:07:16,100 INFO L175 Difference]: Start difference. First operand has 223 places, 233 transitions, 615 flow. Second operand 6 states and 1220 transitions. [2024-10-31 22:07:16,100 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 262 transitions, 903 flow [2024-10-31 22:07:16,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 262 transitions, 903 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:07:16,108 INFO L231 Difference]: Finished difference. Result has 226 places, 251 transitions, 843 flow [2024-10-31 22:07:16,108 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=615, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=843, PETRI_PLACES=226, PETRI_TRANSITIONS=251} [2024-10-31 22:07:16,109 INFO L277 CegarLoopForPetriNet]: 245 programPoint places, -19 predicate places. [2024-10-31 22:07:16,109 INFO L471 AbstractCegarLoop]: Abstraction has has 226 places, 251 transitions, 843 flow [2024-10-31 22:07:16,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 194.66666666666666) internal successors, (1168), 6 states have internal predecessors, (1168), 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 22:07:16,110 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:07:16,110 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 22:07:16,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:07:16,110 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-10-31 22:07:16,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:16,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1724068804, now seen corresponding path program 1 times [2024-10-31 22:07:16,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:16,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079974047] [2024-10-31 22:07:16,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:16,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:16,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:16,724 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 22:07:16,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:16,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079974047] [2024-10-31 22:07:16,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079974047] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:16,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:16,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:07:16,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969825784] [2024-10-31 22:07:16,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:16,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:07:16,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:16,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:07:16,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:07:17,175 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 251 [2024-10-31 22:07:17,177 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 251 transitions, 843 flow. Second operand has 6 states, 6 states have (on average 196.33333333333334) internal successors, (1178), 6 states have internal predecessors, (1178), 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 22:07:17,177 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:07:17,177 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 251 [2024-10-31 22:07:17,178 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:07:18,077 INFO L124 PetriNetUnfolderBase]: 742/2023 cut-off events. [2024-10-31 22:07:18,077 INFO L125 PetriNetUnfolderBase]: For 1323/1382 co-relation queries the response was YES. [2024-10-31 22:07:18,085 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5451 conditions, 2023 events. 742/2023 cut-off events. For 1323/1382 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 12590 event pairs, 212 based on Foata normal form. 0/1977 useless extension candidates. Maximal degree in co-relation 3658. Up to 981 conditions per place. [2024-10-31 22:07:18,096 INFO L140 encePairwiseOnDemand]: 235/251 looper letters, 91 selfloop transitions, 26 changer transitions 0/279 dead transitions. [2024-10-31 22:07:18,096 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 279 transitions, 1233 flow [2024-10-31 22:07:18,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:07:18,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:07:18,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1225 transitions. [2024-10-31 22:07:18,099 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8134130146082338 [2024-10-31 22:07:18,099 INFO L175 Difference]: Start difference. First operand has 226 places, 251 transitions, 843 flow. Second operand 6 states and 1225 transitions. [2024-10-31 22:07:18,100 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 279 transitions, 1233 flow [2024-10-31 22:07:18,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 279 transitions, 1185 flow, removed 24 selfloop flow, removed 0 redundant places. [2024-10-31 22:07:18,112 INFO L231 Difference]: Finished difference. Result has 224 places, 271 transitions, 1027 flow [2024-10-31 22:07:18,113 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=793, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1027, PETRI_PLACES=224, PETRI_TRANSITIONS=271} [2024-10-31 22:07:18,114 INFO L277 CegarLoopForPetriNet]: 245 programPoint places, -21 predicate places. [2024-10-31 22:07:18,114 INFO L471 AbstractCegarLoop]: Abstraction has has 224 places, 271 transitions, 1027 flow [2024-10-31 22:07:18,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 196.33333333333334) internal successors, (1178), 6 states have internal predecessors, (1178), 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 22:07:18,115 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:07:18,115 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 22:07:18,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:07:18,116 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-10-31 22:07:18,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:18,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1783716836, now seen corresponding path program 1 times [2024-10-31 22:07:18,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:18,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62383460] [2024-10-31 22:07:18,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:18,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:18,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:18,818 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 22:07:18,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:18,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62383460] [2024-10-31 22:07:18,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62383460] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:18,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:18,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:07:18,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598376241] [2024-10-31 22:07:18,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:18,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:07:18,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:18,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:07:18,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:07:19,296 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 251 [2024-10-31 22:07:19,298 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 271 transitions, 1027 flow. Second operand has 6 states, 6 states have (on average 196.33333333333334) internal successors, (1178), 6 states have internal predecessors, (1178), 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 22:07:19,298 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:07:19,298 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 251 [2024-10-31 22:07:19,298 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:07:20,202 INFO L124 PetriNetUnfolderBase]: 920/2277 cut-off events. [2024-10-31 22:07:20,202 INFO L125 PetriNetUnfolderBase]: For 2916/3070 co-relation queries the response was YES. [2024-10-31 22:07:20,212 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7170 conditions, 2277 events. 920/2277 cut-off events. For 2916/3070 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 14119 event pairs, 248 based on Foata normal form. 33/2260 useless extension candidates. Maximal degree in co-relation 5400. Up to 1189 conditions per place. [2024-10-31 22:07:20,228 INFO L140 encePairwiseOnDemand]: 236/251 looper letters, 104 selfloop transitions, 36 changer transitions 37/314 dead transitions. [2024-10-31 22:07:20,228 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 314 transitions, 1667 flow [2024-10-31 22:07:20,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:07:20,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:07:20,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1223 transitions. [2024-10-31 22:07:20,232 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8120849933598937 [2024-10-31 22:07:20,233 INFO L175 Difference]: Start difference. First operand has 224 places, 271 transitions, 1027 flow. Second operand 6 states and 1223 transitions. [2024-10-31 22:07:20,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 314 transitions, 1667 flow [2024-10-31 22:07:20,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 314 transitions, 1667 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:07:20,249 INFO L231 Difference]: Finished difference. Result has 232 places, 269 transitions, 1359 flow [2024-10-31 22:07:20,250 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=1025, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1359, PETRI_PLACES=232, PETRI_TRANSITIONS=269} [2024-10-31 22:07:20,251 INFO L277 CegarLoopForPetriNet]: 245 programPoint places, -13 predicate places. [2024-10-31 22:07:20,251 INFO L471 AbstractCegarLoop]: Abstraction has has 232 places, 269 transitions, 1359 flow [2024-10-31 22:07:20,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 196.33333333333334) internal successors, (1178), 6 states have internal predecessors, (1178), 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 22:07:20,252 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:07:20,252 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:20,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-31 22:07:20,253 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-10-31 22:07:20,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:20,254 INFO L85 PathProgramCache]: Analyzing trace with hash -870678194, now seen corresponding path program 1 times [2024-10-31 22:07:20,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:20,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278176646] [2024-10-31 22:07:20,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:20,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:20,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:20,443 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 22:07:20,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:20,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278176646] [2024-10-31 22:07:20,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278176646] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:20,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:20,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:07:20,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846710379] [2024-10-31 22:07:20,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:20,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:07:20,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:20,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:07:20,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:07:20,481 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 211 out of 251 [2024-10-31 22:07:20,482 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 269 transitions, 1359 flow. Second operand has 5 states, 5 states have (on average 213.2) internal successors, (1066), 5 states have internal predecessors, (1066), 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 22:07:20,483 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:07:20,483 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 211 of 251 [2024-10-31 22:07:20,483 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:07:20,751 INFO L124 PetriNetUnfolderBase]: 135/497 cut-off events. [2024-10-31 22:07:20,751 INFO L125 PetriNetUnfolderBase]: For 993/993 co-relation queries the response was YES. [2024-10-31 22:07:20,753 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1282 conditions, 497 events. 135/497 cut-off events. For 993/993 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 2390 event pairs, 12 based on Foata normal form. 0/493 useless extension candidates. Maximal degree in co-relation 1260. Up to 151 conditions per place. [2024-10-31 22:07:20,758 INFO L140 encePairwiseOnDemand]: 246/251 looper letters, 37 selfloop transitions, 4 changer transitions 0/136 dead transitions. [2024-10-31 22:07:20,760 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 136 transitions, 558 flow [2024-10-31 22:07:20,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:07:20,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:07:20,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1308 transitions. [2024-10-31 22:07:20,764 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8685258964143426 [2024-10-31 22:07:20,764 INFO L175 Difference]: Start difference. First operand has 232 places, 269 transitions, 1359 flow. Second operand 6 states and 1308 transitions. [2024-10-31 22:07:20,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 136 transitions, 558 flow [2024-10-31 22:07:20,766 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 136 transitions, 418 flow, removed 70 selfloop flow, removed 3 redundant places. [2024-10-31 22:07:20,768 INFO L231 Difference]: Finished difference. Result has 138 places, 112 transitions, 248 flow [2024-10-31 22:07:20,769 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=248, PETRI_PLACES=138, PETRI_TRANSITIONS=112} [2024-10-31 22:07:20,769 INFO L277 CegarLoopForPetriNet]: 245 programPoint places, -107 predicate places. [2024-10-31 22:07:20,770 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 112 transitions, 248 flow [2024-10-31 22:07:20,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 213.2) internal successors, (1066), 5 states have internal predecessors, (1066), 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 22:07:20,771 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:07:20,771 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] [2024-10-31 22:07:20,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-31 22:07:20,771 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-10-31 22:07:20,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:20,772 INFO L85 PathProgramCache]: Analyzing trace with hash 133752418, now seen corresponding path program 1 times [2024-10-31 22:07:20,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:20,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890926445] [2024-10-31 22:07:20,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:20,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:20,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:20,885 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 22:07:20,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:20,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890926445] [2024-10-31 22:07:20,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890926445] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:20,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:20,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:07:20,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000879849] [2024-10-31 22:07:20,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:20,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:07:20,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:20,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:07:20,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:07:20,898 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 251 [2024-10-31 22:07:20,900 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 112 transitions, 248 flow. Second operand has 3 states, 3 states have (on average 222.0) internal successors, (666), 3 states have internal predecessors, (666), 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 22:07:20,901 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:07:20,901 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 251 [2024-10-31 22:07:20,901 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:07:20,981 INFO L124 PetriNetUnfolderBase]: 24/201 cut-off events. [2024-10-31 22:07:20,981 INFO L125 PetriNetUnfolderBase]: For 21/47 co-relation queries the response was YES. [2024-10-31 22:07:20,982 INFO L83 FinitePrefix]: Finished finitePrefix Result has 335 conditions, 201 events. 24/201 cut-off events. For 21/47 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 463 event pairs, 18 based on Foata normal form. 0/193 useless extension candidates. Maximal degree in co-relation 315. Up to 47 conditions per place. [2024-10-31 22:07:20,982 INFO L140 encePairwiseOnDemand]: 249/251 looper letters, 0 selfloop transitions, 0 changer transitions 114/114 dead transitions. [2024-10-31 22:07:20,983 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 114 transitions, 288 flow [2024-10-31 22:07:20,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:07:20,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:07:20,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 673 transitions. [2024-10-31 22:07:20,985 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8937583001328021 [2024-10-31 22:07:20,986 INFO L175 Difference]: Start difference. First operand has 138 places, 112 transitions, 248 flow. Second operand 3 states and 673 transitions. [2024-10-31 22:07:20,986 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 114 transitions, 288 flow [2024-10-31 22:07:20,988 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 114 transitions, 281 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-31 22:07:20,989 INFO L231 Difference]: Finished difference. Result has 135 places, 0 transitions, 0 flow [2024-10-31 22:07:20,989 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=239, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=135, PETRI_TRANSITIONS=0} [2024-10-31 22:07:20,989 INFO L277 CegarLoopForPetriNet]: 245 programPoint places, -110 predicate places. [2024-10-31 22:07:20,990 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 0 transitions, 0 flow [2024-10-31 22:07:20,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 222.0) internal successors, (666), 3 states have internal predecessors, (666), 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 22:07:20,993 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (22 of 23 remaining) [2024-10-31 22:07:20,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (21 of 23 remaining) [2024-10-31 22:07:20,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (20 of 23 remaining) [2024-10-31 22:07:20,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (19 of 23 remaining) [2024-10-31 22:07:20,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (18 of 23 remaining) [2024-10-31 22:07:20,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (17 of 23 remaining) [2024-10-31 22:07:20,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (16 of 23 remaining) [2024-10-31 22:07:20,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (15 of 23 remaining) [2024-10-31 22:07:20,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (14 of 23 remaining) [2024-10-31 22:07:20,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (13 of 23 remaining) [2024-10-31 22:07:20,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (12 of 23 remaining) [2024-10-31 22:07:20,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (11 of 23 remaining) [2024-10-31 22:07:20,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 23 remaining) [2024-10-31 22:07:20,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 23 remaining) [2024-10-31 22:07:20,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (8 of 23 remaining) [2024-10-31 22:07:20,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (7 of 23 remaining) [2024-10-31 22:07:20,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (6 of 23 remaining) [2024-10-31 22:07:21,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (5 of 23 remaining) [2024-10-31 22:07:21,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (4 of 23 remaining) [2024-10-31 22:07:21,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (3 of 23 remaining) [2024-10-31 22:07:21,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (2 of 23 remaining) [2024-10-31 22:07:21,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (1 of 23 remaining) [2024-10-31 22:07:21,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (0 of 23 remaining) [2024-10-31 22:07:21,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-31 22:07:21,002 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:21,011 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-31 22:07:21,011 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:07:21,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:07:21 BasicIcfg [2024-10-31 22:07:21,018 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:07:21,019 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:07:21,019 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:07:21,019 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:07:21,020 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:07:06" (3/4) ... [2024-10-31 22:07:21,022 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-10-31 22:07:21,026 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2024-10-31 22:07:21,036 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2024-10-31 22:07:21,036 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-10-31 22:07:21,037 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-31 22:07:21,038 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-31 22:07:21,157 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887773a9-14f9-44e6-abee-7443d32edbdc/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 22:07:21,158 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887773a9-14f9-44e6-abee-7443d32edbdc/bin/uautomizer-verify-4GaUIPS5ZU/witness.yml [2024-10-31 22:07:21,158 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:07:21,158 INFO L158 Benchmark]: Toolchain (without parser) took 16425.83ms. Allocated memory was 138.4MB in the beginning and 373.3MB in the end (delta: 234.9MB). Free memory was 102.1MB in the beginning and 124.3MB in the end (delta: -22.2MB). Peak memory consumption was 214.6MB. Max. memory is 16.1GB. [2024-10-31 22:07:21,159 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 138.4MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:07:21,159 INFO L158 Benchmark]: CACSL2BoogieTranslator took 844.30ms. Allocated memory is still 138.4MB. Free memory was 101.6MB in the beginning and 64.3MB in the end (delta: 37.4MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-10-31 22:07:21,160 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.89ms. Allocated memory is still 138.4MB. Free memory was 64.3MB in the beginning and 61.0MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:07:21,162 INFO L158 Benchmark]: Boogie Preprocessor took 53.03ms. Allocated memory is still 138.4MB. Free memory was 61.0MB in the beginning and 57.1MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:07:21,163 INFO L158 Benchmark]: RCFGBuilder took 1105.11ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 57.1MB in the beginning and 114.9MB in the end (delta: -57.8MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2024-10-31 22:07:21,163 INFO L158 Benchmark]: TraceAbstraction took 14196.03ms. Allocated memory was 178.3MB in the beginning and 373.3MB in the end (delta: 195.0MB). Free memory was 113.8MB in the beginning and 130.6MB in the end (delta: -16.8MB). Peak memory consumption was 178.1MB. Max. memory is 16.1GB. [2024-10-31 22:07:21,164 INFO L158 Benchmark]: Witness Printer took 139.07ms. Allocated memory is still 373.3MB. Free memory was 130.6MB in the beginning and 124.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-31 22:07:21,165 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 138.4MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 844.30ms. Allocated memory is still 138.4MB. Free memory was 101.6MB in the beginning and 64.3MB in the end (delta: 37.4MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.89ms. Allocated memory is still 138.4MB. Free memory was 64.3MB in the beginning and 61.0MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.03ms. Allocated memory is still 138.4MB. Free memory was 61.0MB in the beginning and 57.1MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1105.11ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 57.1MB in the beginning and 114.9MB in the end (delta: -57.8MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * TraceAbstraction took 14196.03ms. Allocated memory was 178.3MB in the beginning and 373.3MB in the end (delta: 195.0MB). Free memory was 113.8MB in the beginning and 130.6MB in the end (delta: -16.8MB). Peak memory consumption was 178.1MB. Max. memory is 16.1GB. * Witness Printer took 139.07ms. Allocated memory is still 373.3MB. Free memory was 130.6MB in the beginning and 124.3MB 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: 3924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3925]: 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: 3939]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3961]: 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: 3962]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3957]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3963]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3958]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3964]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3908]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3911]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3914]: 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, 260 locations, 23 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: 14.0s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1004 SdHoareTripleChecker+Valid, 5.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 574 mSDsluCounter, 114 SdHoareTripleChecker+Invalid, 4.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19 mSDsCounter, 337 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2544 IncrementalHoareTripleChecker+Invalid, 2881 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 337 mSolverCounterUnsat, 95 mSDtfsCounter, 2544 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=1359occurred 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, 4.3s InterpolantComputationTime, 739 NumberOfCodeBlocks, 739 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 728 ConstructedInterpolants, 0 QuantifiedInterpolants, 1284 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 15 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-31 22:07:21,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887773a9-14f9-44e6-abee-7443d32edbdc/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE