./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386c8f03-956b-4748-8c02-4f34a7a40dc1/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386c8f03-956b-4748-8c02-4f34a7a40dc1/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386c8f03-956b-4748-8c02-4f34a7a40dc1/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386c8f03-956b-4748-8c02-4f34a7a40dc1/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386c8f03-956b-4748-8c02-4f34a7a40dc1/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386c8f03-956b-4748-8c02-4f34a7a40dc1/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 d721a74d879c75d156b7dfbd9383140c70ef6831602ea84a0f8988cd7fdc0c32 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:53:25,548 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:53:25,658 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386c8f03-956b-4748-8c02-4f34a7a40dc1/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 21:53:25,667 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:53:25,667 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:53:25,708 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:53:25,708 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:53:25,709 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:53:25,710 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:53:25,715 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:53:25,716 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:53:25,716 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:53:25,717 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:53:25,718 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:53:25,719 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:53:25,719 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:53:25,720 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:53:25,720 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:53:25,720 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:53:25,721 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:53:25,721 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:53:25,722 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:53:25,722 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 21:53:25,723 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 21:53:25,723 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:53:25,723 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:53:25,724 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:53:25,725 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:53:25,725 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:53:25,726 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:53:25,727 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:53:25,727 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:53:25,728 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:53:25,728 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:53:25,728 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 21:53:25,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:53:25,729 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:53:25,729 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:53:25,729 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:53:25,730 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:53:25,730 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:53:25,730 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_386c8f03-956b-4748-8c02-4f34a7a40dc1/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386c8f03-956b-4748-8c02-4f34a7a40dc1/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d721a74d879c75d156b7dfbd9383140c70ef6831602ea84a0f8988cd7fdc0c32 [2023-11-06 21:53:26,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:53:26,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:53:26,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:53:26,040 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:53:26,041 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:53:26,042 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386c8f03-956b-4748-8c02-4f34a7a40dc1/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c [2023-11-06 21:53:29,353 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:53:29,632 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:53:29,632 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386c8f03-956b-4748-8c02-4f34a7a40dc1/sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c [2023-11-06 21:53:29,646 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386c8f03-956b-4748-8c02-4f34a7a40dc1/bin/uautomizer-verify-WvqO1wxjHP/data/339cb2e6d/7b169561630349f08b4d8ddcb0b402cd/FLAG2dfaa4998 [2023-11-06 21:53:29,665 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386c8f03-956b-4748-8c02-4f34a7a40dc1/bin/uautomizer-verify-WvqO1wxjHP/data/339cb2e6d/7b169561630349f08b4d8ddcb0b402cd [2023-11-06 21:53:29,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:53:29,674 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:53:29,677 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:53:29,678 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:53:29,683 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:53:29,684 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:53:29" (1/1) ... [2023-11-06 21:53:29,685 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36e2008f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:29, skipping insertion in model container [2023-11-06 21:53:29,686 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:53:29" (1/1) ... [2023-11-06 21:53:29,731 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:53:30,034 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:53:30,045 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:53:30,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:53:30,122 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:53:30,123 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:53:30,131 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:53:30,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30 WrapperNode [2023-11-06 21:53:30,132 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:53:30,134 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:53:30,134 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:53:30,135 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:53:30,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30" (1/1) ... [2023-11-06 21:53:30,164 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30" (1/1) ... [2023-11-06 21:53:30,218 INFO L138 Inliner]: procedures = 27, calls = 74, calls flagged for inlining = 19, calls inlined = 23, statements flattened = 433 [2023-11-06 21:53:30,218 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:53:30,219 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:53:30,219 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:53:30,219 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:53:30,232 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30" (1/1) ... [2023-11-06 21:53:30,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30" (1/1) ... [2023-11-06 21:53:30,252 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30" (1/1) ... [2023-11-06 21:53:30,253 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30" (1/1) ... [2023-11-06 21:53:30,302 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30" (1/1) ... [2023-11-06 21:53:30,307 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30" (1/1) ... [2023-11-06 21:53:30,326 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30" (1/1) ... [2023-11-06 21:53:30,329 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30" (1/1) ... [2023-11-06 21:53:30,334 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:53:30,335 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:53:30,336 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:53:30,336 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:53:30,337 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30" (1/1) ... [2023-11-06 21:53:30,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:53:30,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386c8f03-956b-4748-8c02-4f34a7a40dc1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:53:30,388 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386c8f03-956b-4748-8c02-4f34a7a40dc1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:53:30,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386c8f03-956b-4748-8c02-4f34a7a40dc1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:53:30,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:53:30,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 21:53:30,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 21:53:30,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 21:53:30,442 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-06 21:53:30,442 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-06 21:53:30,442 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-06 21:53:30,442 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-06 21:53:30,443 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-06 21:53:30,443 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-06 21:53:30,443 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-06 21:53:30,443 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-06 21:53:30,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 21:53:30,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 21:53:30,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 21:53:30,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 21:53:30,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:53:30,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:53:30,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 21:53:30,449 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 21:53:30,663 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:53:30,665 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:53:31,455 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:53:31,793 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:53:31,794 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-06 21:53:31,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:53:31 BoogieIcfgContainer [2023-11-06 21:53:31,799 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:53:31,802 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:53:31,803 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:53:31,806 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:53:31,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:53:29" (1/3) ... [2023-11-06 21:53:31,808 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26d79f57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:53:31, skipping insertion in model container [2023-11-06 21:53:31,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30" (2/3) ... [2023-11-06 21:53:31,820 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26d79f57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:53:31, skipping insertion in model container [2023-11-06 21:53:31,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:53:31" (3/3) ... [2023-11-06 21:53:31,823 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-equiv.wvr.c [2023-11-06 21:53:31,833 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 21:53:31,843 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:53:31,844 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 61 error locations. [2023-11-06 21:53:31,844 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 21:53:32,013 INFO L144 ThreadInstanceAdder]: Constructed 10 joinOtherThreadTransitions. [2023-11-06 21:53:32,074 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 353 places, 354 transitions, 748 flow [2023-11-06 21:53:32,263 INFO L124 PetriNetUnfolderBase]: 14/333 cut-off events. [2023-11-06 21:53:32,263 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-06 21:53:32,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 352 conditions, 333 events. 14/333 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 513 event pairs, 0 based on Foata normal form. 0/258 useless extension candidates. Maximal degree in co-relation 269. Up to 3 conditions per place. [2023-11-06 21:53:32,274 INFO L82 GeneralOperation]: Start removeDead. Operand has 353 places, 354 transitions, 748 flow [2023-11-06 21:53:32,284 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 312 places, 312 transitions, 654 flow [2023-11-06 21:53:32,288 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 21:53:32,303 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 312 places, 312 transitions, 654 flow [2023-11-06 21:53:32,308 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 312 places, 312 transitions, 654 flow [2023-11-06 21:53:32,309 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 312 places, 312 transitions, 654 flow [2023-11-06 21:53:32,383 INFO L124 PetriNetUnfolderBase]: 13/312 cut-off events. [2023-11-06 21:53:32,383 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-06 21:53:32,389 INFO L83 FinitePrefix]: Finished finitePrefix Result has 331 conditions, 312 events. 13/312 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 512 event pairs, 0 based on Foata normal form. 0/239 useless extension candidates. Maximal degree in co-relation 269. Up to 3 conditions per place. [2023-11-06 21:53:32,398 INFO L119 LiptonReduction]: Number of co-enabled transitions 11400 [2023-11-06 21:53:43,377 INFO L134 LiptonReduction]: Checked pairs total: 64177 [2023-11-06 21:53:43,378 INFO L136 LiptonReduction]: Total number of compositions: 319 [2023-11-06 21:53:43,394 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:53:43,401 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@73af6b41, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 21:53:43,401 INFO L358 AbstractCegarLoop]: Starting to check reachability of 112 error locations. [2023-11-06 21:53:43,403 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 21:53:43,403 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-06 21:53:43,404 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 21:53:43,404 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 21:53:43,404 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-06 21:53:43,405 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2023-11-06 21:53:43,430 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:53:43,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1839, now seen corresponding path program 1 times [2023-11-06 21:53:43,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:53:43,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346919621] [2023-11-06 21:53:43,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:53:43,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:53:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:43,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:53:43,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:53:43,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346919621] [2023-11-06 21:53:43,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346919621] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:53:43,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:53:43,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-06 21:53:43,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881755857] [2023-11-06 21:53:43,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:53:43,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 21:53:43,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:53:43,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 21:53:43,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 21:53:43,613 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 279 out of 675 [2023-11-06 21:53:43,620 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 118 transitions, 266 flow. Second operand has 2 states, 2 states have (on average 279.5) internal successors, (559), 2 states have internal predecessors, (559), 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) [2023-11-06 21:53:43,620 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 21:53:43,620 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 279 of 675 [2023-11-06 21:53:43,622 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 21:53:43,954 INFO L124 PetriNetUnfolderBase]: 669/1237 cut-off events. [2023-11-06 21:53:43,954 INFO L125 PetriNetUnfolderBase]: For 165/181 co-relation queries the response was YES. [2023-11-06 21:53:43,957 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2365 conditions, 1237 events. 669/1237 cut-off events. For 165/181 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 5627 event pairs, 452 based on Foata normal form. 1/941 useless extension candidates. Maximal degree in co-relation 2304. Up to 927 conditions per place. [2023-11-06 21:53:43,967 INFO L140 encePairwiseOnDemand]: 618/675 looper letters, 28 selfloop transitions, 0 changer transitions 1/61 dead transitions. [2023-11-06 21:53:43,968 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 61 transitions, 210 flow [2023-11-06 21:53:43,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 21:53:43,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-06 21:53:43,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 644 transitions. [2023-11-06 21:53:43,991 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47703703703703704 [2023-11-06 21:53:43,992 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 644 transitions. [2023-11-06 21:53:43,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 644 transitions. [2023-11-06 21:53:43,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:53:44,000 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 644 transitions. [2023-11-06 21:53:44,007 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 322.0) internal successors, (644), 2 states have internal predecessors, (644), 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) [2023-11-06 21:53:44,015 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 675.0) internal successors, (2025), 3 states have internal predecessors, (2025), 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) [2023-11-06 21:53:44,017 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 675.0) internal successors, (2025), 3 states have internal predecessors, (2025), 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) [2023-11-06 21:53:44,019 INFO L175 Difference]: Start difference. First operand has 125 places, 118 transitions, 266 flow. Second operand 2 states and 644 transitions. [2023-11-06 21:53:44,020 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 61 transitions, 210 flow [2023-11-06 21:53:44,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 61 transitions, 190 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-11-06 21:53:44,032 INFO L231 Difference]: Finished difference. Result has 61 places, 60 transitions, 129 flow [2023-11-06 21:53:44,035 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=675, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=129, PETRI_PLACES=61, PETRI_TRANSITIONS=60} [2023-11-06 21:53:44,040 INFO L281 CegarLoopForPetriNet]: 125 programPoint places, -64 predicate places. [2023-11-06 21:53:44,041 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 60 transitions, 129 flow [2023-11-06 21:53:44,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 279.5) internal successors, (559), 2 states have internal predecessors, (559), 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) [2023-11-06 21:53:44,042 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 21:53:44,042 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:53:44,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 21:53:44,043 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2023-11-06 21:53:44,055 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:53:44,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1820398248, now seen corresponding path program 1 times [2023-11-06 21:53:44,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:53:44,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226045464] [2023-11-06 21:53:44,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:53:44,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:53:44,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:44,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:53:44,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:53:44,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226045464] [2023-11-06 21:53:44,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226045464] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:53:44,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:53:44,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 21:53:44,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506467387] [2023-11-06 21:53:44,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:53:44,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 21:53:44,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:53:44,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 21:53:44,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 21:53:45,315 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 675 [2023-11-06 21:53:45,318 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 60 transitions, 129 flow. Second operand has 6 states, 6 states have (on average 266.8333333333333) internal successors, (1601), 6 states have internal predecessors, (1601), 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) [2023-11-06 21:53:45,319 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 21:53:45,319 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 675 [2023-11-06 21:53:45,319 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 21:53:46,099 INFO L124 PetriNetUnfolderBase]: 2199/3165 cut-off events. [2023-11-06 21:53:46,100 INFO L125 PetriNetUnfolderBase]: For 92/138 co-relation queries the response was YES. [2023-11-06 21:53:46,106 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6212 conditions, 3165 events. 2199/3165 cut-off events. For 92/138 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 13364 event pairs, 448 based on Foata normal form. 0/2409 useless extension candidates. Maximal degree in co-relation 6209. Up to 914 conditions per place. [2023-11-06 21:53:46,127 INFO L140 encePairwiseOnDemand]: 670/675 looper letters, 105 selfloop transitions, 4 changer transitions 0/135 dead transitions. [2023-11-06 21:53:46,128 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 135 transitions, 521 flow [2023-11-06 21:53:46,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 21:53:46,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 21:53:46,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1700 transitions. [2023-11-06 21:53:46,136 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41975308641975306 [2023-11-06 21:53:46,138 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1700 transitions. [2023-11-06 21:53:46,139 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1700 transitions. [2023-11-06 21:53:46,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:53:46,141 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1700 transitions. [2023-11-06 21:53:46,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 283.3333333333333) internal successors, (1700), 6 states have internal predecessors, (1700), 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) [2023-11-06 21:53:46,157 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 675.0) internal successors, (4725), 7 states have internal predecessors, (4725), 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) [2023-11-06 21:53:46,161 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 675.0) internal successors, (4725), 7 states have internal predecessors, (4725), 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) [2023-11-06 21:53:46,162 INFO L175 Difference]: Start difference. First operand has 61 places, 60 transitions, 129 flow. Second operand 6 states and 1700 transitions. [2023-11-06 21:53:46,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 135 transitions, 521 flow [2023-11-06 21:53:46,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 135 transitions, 521 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 21:53:46,174 INFO L231 Difference]: Finished difference. Result has 64 places, 59 transitions, 135 flow [2023-11-06 21:53:46,175 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=675, PETRI_DIFFERENCE_MINUEND_FLOW=127, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=135, PETRI_PLACES=64, PETRI_TRANSITIONS=59} [2023-11-06 21:53:46,176 INFO L281 CegarLoopForPetriNet]: 125 programPoint places, -61 predicate places. [2023-11-06 21:53:46,176 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 59 transitions, 135 flow [2023-11-06 21:53:46,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 266.8333333333333) internal successors, (1601), 6 states have internal predecessors, (1601), 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) [2023-11-06 21:53:46,177 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 21:53:46,178 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:53:46,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 21:53:46,178 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2023-11-06 21:53:46,181 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:53:46,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1415504942, now seen corresponding path program 1 times [2023-11-06 21:53:46,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:53:46,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176763684] [2023-11-06 21:53:46,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:53:46,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:53:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:46,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:53:46,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:53:46,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176763684] [2023-11-06 21:53:46,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176763684] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:53:46,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:53:46,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 21:53:46,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390799372] [2023-11-06 21:53:46,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:53:46,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 21:53:46,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:53:46,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 21:53:46,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 21:53:46,841 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 675 [2023-11-06 21:53:46,843 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 59 transitions, 135 flow. Second operand has 6 states, 6 states have (on average 269.1666666666667) internal successors, (1615), 6 states have internal predecessors, (1615), 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) [2023-11-06 21:53:46,843 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 21:53:46,844 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 675 [2023-11-06 21:53:46,844 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 21:53:47,493 INFO L124 PetriNetUnfolderBase]: 1884/2784 cut-off events. [2023-11-06 21:53:47,493 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-06 21:53:47,502 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5441 conditions, 2784 events. 1884/2784 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 10933 event pairs, 400 based on Foata normal form. 0/2192 useless extension candidates. Maximal degree in co-relation 5437. Up to 794 conditions per place. [2023-11-06 21:53:47,520 INFO L140 encePairwiseOnDemand]: 669/675 looper letters, 76 selfloop transitions, 5 changer transitions 0/106 dead transitions. [2023-11-06 21:53:47,521 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 106 transitions, 395 flow [2023-11-06 21:53:47,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 21:53:47,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 21:53:47,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1684 transitions. [2023-11-06 21:53:47,528 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4158024691358025 [2023-11-06 21:53:47,528 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1684 transitions. [2023-11-06 21:53:47,528 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1684 transitions. [2023-11-06 21:53:47,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:53:47,530 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1684 transitions. [2023-11-06 21:53:47,535 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 280.6666666666667) internal successors, (1684), 6 states have internal predecessors, (1684), 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) [2023-11-06 21:53:47,545 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 675.0) internal successors, (4725), 7 states have internal predecessors, (4725), 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) [2023-11-06 21:53:47,549 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 675.0) internal successors, (4725), 7 states have internal predecessors, (4725), 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) [2023-11-06 21:53:47,550 INFO L175 Difference]: Start difference. First operand has 64 places, 59 transitions, 135 flow. Second operand 6 states and 1684 transitions. [2023-11-06 21:53:47,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 106 transitions, 395 flow [2023-11-06 21:53:47,552 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 106 transitions, 388 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-06 21:53:47,554 INFO L231 Difference]: Finished difference. Result has 64 places, 58 transitions, 136 flow [2023-11-06 21:53:47,554 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=675, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=136, PETRI_PLACES=64, PETRI_TRANSITIONS=58} [2023-11-06 21:53:47,555 INFO L281 CegarLoopForPetriNet]: 125 programPoint places, -61 predicate places. [2023-11-06 21:53:47,555 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 58 transitions, 136 flow [2023-11-06 21:53:47,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 269.1666666666667) internal successors, (1615), 6 states have internal predecessors, (1615), 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) [2023-11-06 21:53:47,557 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 21:53:47,557 INFO L208 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] [2023-11-06 21:53:47,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 21:53:47,558 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2023-11-06 21:53:47,558 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:53:47,559 INFO L85 PathProgramCache]: Analyzing trace with hash -859278008, now seen corresponding path program 1 times [2023-11-06 21:53:47,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:53:47,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53201816] [2023-11-06 21:53:47,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:53:47,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:53:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:48,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:53:48,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:53:48,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53201816] [2023-11-06 21:53:48,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53201816] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:53:48,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:53:48,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 21:53:48,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458815339] [2023-11-06 21:53:48,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:53:48,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 21:53:48,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:53:48,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 21:53:48,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 21:53:48,318 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 675 [2023-11-06 21:53:48,321 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 58 transitions, 136 flow. Second operand has 6 states, 6 states have (on average 269.5) internal successors, (1617), 6 states have internal predecessors, (1617), 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) [2023-11-06 21:53:48,321 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 21:53:48,321 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 675 [2023-11-06 21:53:48,321 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 21:53:48,868 INFO L124 PetriNetUnfolderBase]: 954/1558 cut-off events. [2023-11-06 21:53:48,868 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2023-11-06 21:53:48,872 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3086 conditions, 1558 events. 954/1558 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 6299 event pairs, 443 based on Foata normal form. 0/1218 useless extension candidates. Maximal degree in co-relation 3082. Up to 899 conditions per place. [2023-11-06 21:53:48,883 INFO L140 encePairwiseOnDemand]: 669/675 looper letters, 64 selfloop transitions, 5 changer transitions 0/93 dead transitions. [2023-11-06 21:53:48,883 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 93 transitions, 348 flow [2023-11-06 21:53:48,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 21:53:48,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 21:53:48,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1672 transitions. [2023-11-06 21:53:48,891 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4128395061728395 [2023-11-06 21:53:48,891 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1672 transitions. [2023-11-06 21:53:48,891 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1672 transitions. [2023-11-06 21:53:48,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:53:48,893 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1672 transitions. [2023-11-06 21:53:48,899 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 278.6666666666667) internal successors, (1672), 6 states have internal predecessors, (1672), 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) [2023-11-06 21:53:48,909 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 675.0) internal successors, (4725), 7 states have internal predecessors, (4725), 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) [2023-11-06 21:53:48,913 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 675.0) internal successors, (4725), 7 states have internal predecessors, (4725), 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) [2023-11-06 21:53:48,914 INFO L175 Difference]: Start difference. First operand has 64 places, 58 transitions, 136 flow. Second operand 6 states and 1672 transitions. [2023-11-06 21:53:48,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 93 transitions, 348 flow [2023-11-06 21:53:48,916 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 93 transitions, 338 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-06 21:53:48,918 INFO L231 Difference]: Finished difference. Result has 63 places, 57 transitions, 134 flow [2023-11-06 21:53:48,918 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=675, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=134, PETRI_PLACES=63, PETRI_TRANSITIONS=57} [2023-11-06 21:53:48,919 INFO L281 CegarLoopForPetriNet]: 125 programPoint places, -62 predicate places. [2023-11-06 21:53:48,919 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 57 transitions, 134 flow [2023-11-06 21:53:48,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 269.5) internal successors, (1617), 6 states have internal predecessors, (1617), 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) [2023-11-06 21:53:48,920 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 21:53:48,921 INFO L208 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] [2023-11-06 21:53:48,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 21:53:48,921 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2023-11-06 21:53:48,921 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:53:48,921 INFO L85 PathProgramCache]: Analyzing trace with hash -15380869, now seen corresponding path program 1 times [2023-11-06 21:53:48,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:53:48,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962949339] [2023-11-06 21:53:48,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:53:48,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:53:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:49,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:53:49,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:53:49,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962949339] [2023-11-06 21:53:49,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962949339] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:53:49,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:53:49,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 21:53:49,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425422832] [2023-11-06 21:53:49,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:53:49,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 21:53:49,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:53:49,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 21:53:49,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 21:53:49,835 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 675 [2023-11-06 21:53:49,840 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 57 transitions, 134 flow. Second operand has 6 states, 6 states have (on average 268.6666666666667) internal successors, (1612), 6 states have internal predecessors, (1612), 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) [2023-11-06 21:53:49,840 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 21:53:49,840 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 675 [2023-11-06 21:53:49,840 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 21:53:50,109 INFO L124 PetriNetUnfolderBase]: 681/1202 cut-off events. [2023-11-06 21:53:50,110 INFO L125 PetriNetUnfolderBase]: For 40/56 co-relation queries the response was YES. [2023-11-06 21:53:50,112 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2270 conditions, 1202 events. 681/1202 cut-off events. For 40/56 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 5166 event pairs, 450 based on Foata normal form. 0/947 useless extension candidates. Maximal degree in co-relation 2266. Up to 920 conditions per place. [2023-11-06 21:53:50,114 INFO L140 encePairwiseOnDemand]: 670/675 looper letters, 0 selfloop transitions, 0 changer transitions 68/68 dead transitions. [2023-11-06 21:53:50,114 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 68 transitions, 244 flow [2023-11-06 21:53:50,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 21:53:50,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 21:53:50,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1635 transitions. [2023-11-06 21:53:50,121 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40370370370370373 [2023-11-06 21:53:50,121 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1635 transitions. [2023-11-06 21:53:50,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1635 transitions. [2023-11-06 21:53:50,123 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:53:50,123 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1635 transitions. [2023-11-06 21:53:50,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 272.5) internal successors, (1635), 6 states have internal predecessors, (1635), 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) [2023-11-06 21:53:50,136 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 675.0) internal successors, (4725), 7 states have internal predecessors, (4725), 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) [2023-11-06 21:53:50,138 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 675.0) internal successors, (4725), 7 states have internal predecessors, (4725), 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) [2023-11-06 21:53:50,138 INFO L175 Difference]: Start difference. First operand has 63 places, 57 transitions, 134 flow. Second operand 6 states and 1635 transitions. [2023-11-06 21:53:50,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 68 transitions, 244 flow [2023-11-06 21:53:50,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 68 transitions, 234 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-06 21:53:50,140 INFO L231 Difference]: Finished difference. Result has 62 places, 0 transitions, 0 flow [2023-11-06 21:53:50,141 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=675, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=62, PETRI_TRANSITIONS=0} [2023-11-06 21:53:50,141 INFO L281 CegarLoopForPetriNet]: 125 programPoint places, -63 predicate places. [2023-11-06 21:53:50,142 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 0 transitions, 0 flow [2023-11-06 21:53:50,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 268.6666666666667) internal successors, (1612), 6 states have internal predecessors, (1612), 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) [2023-11-06 21:53:50,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (111 of 112 remaining) [2023-11-06 21:53:50,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (110 of 112 remaining) [2023-11-06 21:53:50,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (109 of 112 remaining) [2023-11-06 21:53:50,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (108 of 112 remaining) [2023-11-06 21:53:50,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (107 of 112 remaining) [2023-11-06 21:53:50,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (106 of 112 remaining) [2023-11-06 21:53:50,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (105 of 112 remaining) [2023-11-06 21:53:50,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (104 of 112 remaining) [2023-11-06 21:53:50,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (103 of 112 remaining) [2023-11-06 21:53:50,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (102 of 112 remaining) [2023-11-06 21:53:50,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (101 of 112 remaining) [2023-11-06 21:53:50,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (100 of 112 remaining) [2023-11-06 21:53:50,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (99 of 112 remaining) [2023-11-06 21:53:50,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (98 of 112 remaining) [2023-11-06 21:53:50,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (97 of 112 remaining) [2023-11-06 21:53:50,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (96 of 112 remaining) [2023-11-06 21:53:50,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (95 of 112 remaining) [2023-11-06 21:53:50,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (94 of 112 remaining) [2023-11-06 21:53:50,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (93 of 112 remaining) [2023-11-06 21:53:50,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (92 of 112 remaining) [2023-11-06 21:53:50,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (91 of 112 remaining) [2023-11-06 21:53:50,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (90 of 112 remaining) [2023-11-06 21:53:50,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (89 of 112 remaining) [2023-11-06 21:53:50,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (88 of 112 remaining) [2023-11-06 21:53:50,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (87 of 112 remaining) [2023-11-06 21:53:50,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (86 of 112 remaining) [2023-11-06 21:53:50,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (85 of 112 remaining) [2023-11-06 21:53:50,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (84 of 112 remaining) [2023-11-06 21:53:50,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (83 of 112 remaining) [2023-11-06 21:53:50,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (82 of 112 remaining) [2023-11-06 21:53:50,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (81 of 112 remaining) [2023-11-06 21:53:50,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (80 of 112 remaining) [2023-11-06 21:53:50,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (79 of 112 remaining) [2023-11-06 21:53:50,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (78 of 112 remaining) [2023-11-06 21:53:50,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (77 of 112 remaining) [2023-11-06 21:53:50,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (76 of 112 remaining) [2023-11-06 21:53:50,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (75 of 112 remaining) [2023-11-06 21:53:50,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (74 of 112 remaining) [2023-11-06 21:53:50,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (73 of 112 remaining) [2023-11-06 21:53:50,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (72 of 112 remaining) [2023-11-06 21:53:50,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (71 of 112 remaining) [2023-11-06 21:53:50,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (70 of 112 remaining) [2023-11-06 21:53:50,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (69 of 112 remaining) [2023-11-06 21:53:50,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (68 of 112 remaining) [2023-11-06 21:53:50,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (67 of 112 remaining) [2023-11-06 21:53:50,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (66 of 112 remaining) [2023-11-06 21:53:50,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (65 of 112 remaining) [2023-11-06 21:53:50,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (64 of 112 remaining) [2023-11-06 21:53:50,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (63 of 112 remaining) [2023-11-06 21:53:50,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (62 of 112 remaining) [2023-11-06 21:53:50,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (61 of 112 remaining) [2023-11-06 21:53:50,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (60 of 112 remaining) [2023-11-06 21:53:50,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (59 of 112 remaining) [2023-11-06 21:53:50,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (58 of 112 remaining) [2023-11-06 21:53:50,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (57 of 112 remaining) [2023-11-06 21:53:50,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (56 of 112 remaining) [2023-11-06 21:53:50,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (55 of 112 remaining) [2023-11-06 21:53:50,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (54 of 112 remaining) [2023-11-06 21:53:50,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (53 of 112 remaining) [2023-11-06 21:53:50,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (52 of 112 remaining) [2023-11-06 21:53:50,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (51 of 112 remaining) [2023-11-06 21:53:50,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (50 of 112 remaining) [2023-11-06 21:53:50,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (49 of 112 remaining) [2023-11-06 21:53:50,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (48 of 112 remaining) [2023-11-06 21:53:50,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (47 of 112 remaining) [2023-11-06 21:53:50,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (46 of 112 remaining) [2023-11-06 21:53:50,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (45 of 112 remaining) [2023-11-06 21:53:50,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (44 of 112 remaining) [2023-11-06 21:53:50,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (43 of 112 remaining) [2023-11-06 21:53:50,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork1Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (42 of 112 remaining) [2023-11-06 21:53:50,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (41 of 112 remaining) [2023-11-06 21:53:50,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (40 of 112 remaining) [2023-11-06 21:53:50,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (39 of 112 remaining) [2023-11-06 21:53:50,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (38 of 112 remaining) [2023-11-06 21:53:50,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (37 of 112 remaining) [2023-11-06 21:53:50,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (36 of 112 remaining) [2023-11-06 21:53:50,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (35 of 112 remaining) [2023-11-06 21:53:50,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (34 of 112 remaining) [2023-11-06 21:53:50,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (33 of 112 remaining) [2023-11-06 21:53:50,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (32 of 112 remaining) [2023-11-06 21:53:50,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (31 of 112 remaining) [2023-11-06 21:53:50,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (30 of 112 remaining) [2023-11-06 21:53:50,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (29 of 112 remaining) [2023-11-06 21:53:50,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (28 of 112 remaining) [2023-11-06 21:53:50,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (27 of 112 remaining) [2023-11-06 21:53:50,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (26 of 112 remaining) [2023-11-06 21:53:50,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (25 of 112 remaining) [2023-11-06 21:53:50,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (24 of 112 remaining) [2023-11-06 21:53:50,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (23 of 112 remaining) [2023-11-06 21:53:50,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (22 of 112 remaining) [2023-11-06 21:53:50,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (21 of 112 remaining) [2023-11-06 21:53:50,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (20 of 112 remaining) [2023-11-06 21:53:50,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (19 of 112 remaining) [2023-11-06 21:53:50,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (18 of 112 remaining) [2023-11-06 21:53:50,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (17 of 112 remaining) [2023-11-06 21:53:50,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (16 of 112 remaining) [2023-11-06 21:53:50,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (15 of 112 remaining) [2023-11-06 21:53:50,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (14 of 112 remaining) [2023-11-06 21:53:50,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (13 of 112 remaining) [2023-11-06 21:53:50,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (12 of 112 remaining) [2023-11-06 21:53:50,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (11 of 112 remaining) [2023-11-06 21:53:50,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (10 of 112 remaining) [2023-11-06 21:53:50,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (9 of 112 remaining) [2023-11-06 21:53:50,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (8 of 112 remaining) [2023-11-06 21:53:50,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (7 of 112 remaining) [2023-11-06 21:53:50,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (6 of 112 remaining) [2023-11-06 21:53:50,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (5 of 112 remaining) [2023-11-06 21:53:50,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (4 of 112 remaining) [2023-11-06 21:53:50,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (3 of 112 remaining) [2023-11-06 21:53:50,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (2 of 112 remaining) [2023-11-06 21:53:50,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (1 of 112 remaining) [2023-11-06 21:53:50,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (0 of 112 remaining) [2023-11-06 21:53:50,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 21:53:50,170 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-06 21:53:50,178 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 21:53:50,178 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 21:53:50,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:53:50 BasicIcfg [2023-11-06 21:53:50,184 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 21:53:50,185 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 21:53:50,185 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 21:53:50,185 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 21:53:50,185 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:53:31" (3/4) ... [2023-11-06 21:53:50,187 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 21:53:50,190 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-06 21:53:50,190 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-06 21:53:50,190 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-06 21:53:50,191 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2023-11-06 21:53:50,199 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-06 21:53:50,200 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 21:53:50,200 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 21:53:50,201 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 21:53:50,277 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386c8f03-956b-4748-8c02-4f34a7a40dc1/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 21:53:50,278 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386c8f03-956b-4748-8c02-4f34a7a40dc1/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 21:53:50,278 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 21:53:50,279 INFO L158 Benchmark]: Toolchain (without parser) took 20605.00ms. Allocated memory was 123.7MB in the beginning and 310.4MB in the end (delta: 186.6MB). Free memory was 77.9MB in the beginning and 119.3MB in the end (delta: -41.4MB). Peak memory consumption was 145.4MB. Max. memory is 16.1GB. [2023-11-06 21:53:50,279 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 98.6MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:53:50,279 INFO L158 Benchmark]: CACSL2BoogieTranslator took 455.73ms. Allocated memory is still 123.7MB. Free memory was 77.6MB in the beginning and 64.2MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 21:53:50,280 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.25ms. Allocated memory is still 123.7MB. Free memory was 64.2MB in the beginning and 61.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 21:53:50,280 INFO L158 Benchmark]: Boogie Preprocessor took 115.56ms. Allocated memory is still 123.7MB. Free memory was 60.7MB in the beginning and 92.6MB in the end (delta: -32.0MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2023-11-06 21:53:50,280 INFO L158 Benchmark]: RCFGBuilder took 1463.75ms. Allocated memory was 123.7MB in the beginning and 172.0MB in the end (delta: 48.2MB). Free memory was 92.6MB in the beginning and 128.4MB in the end (delta: -35.8MB). Peak memory consumption was 83.1MB. Max. memory is 16.1GB. [2023-11-06 21:53:50,281 INFO L158 Benchmark]: TraceAbstraction took 18382.07ms. Allocated memory was 172.0MB in the beginning and 310.4MB in the end (delta: 138.4MB). Free memory was 128.4MB in the beginning and 124.5MB in the end (delta: 3.9MB). Peak memory consumption was 143.3MB. Max. memory is 16.1GB. [2023-11-06 21:53:50,281 INFO L158 Benchmark]: Witness Printer took 93.25ms. Allocated memory is still 310.4MB. Free memory was 124.5MB in the beginning and 119.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 21:53:50,283 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 98.6MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 455.73ms. Allocated memory is still 123.7MB. Free memory was 77.6MB in the beginning and 64.2MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.25ms. Allocated memory is still 123.7MB. Free memory was 64.2MB in the beginning and 61.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 115.56ms. Allocated memory is still 123.7MB. Free memory was 60.7MB in the beginning and 92.6MB in the end (delta: -32.0MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1463.75ms. Allocated memory was 123.7MB in the beginning and 172.0MB in the end (delta: 48.2MB). Free memory was 92.6MB in the beginning and 128.4MB in the end (delta: -35.8MB). Peak memory consumption was 83.1MB. Max. memory is 16.1GB. * TraceAbstraction took 18382.07ms. Allocated memory was 172.0MB in the beginning and 310.4MB in the end (delta: 138.4MB). Free memory was 128.4MB in the beginning and 124.5MB in the end (delta: 3.9MB). Peak memory consumption was 143.3MB. Max. memory is 16.1GB. * Witness Printer took 93.25ms. Allocated memory is still 310.4MB. Free memory was 124.5MB in the beginning and 119.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.1s, 312 PlacesBefore, 125 PlacesAfterwards, 312 TransitionsBefore, 118 TransitionsAfterwards, 11400 CoEnabledTransitionPairs, 10 FixpointIterations, 193 TrivialSequentialCompositions, 105 ConcurrentSequentialCompositions, 14 TrivialYvCompositions, 0 ConcurrentYvCompositions, 7 ChoiceCompositions, 319 TotalNumberOfCompositions, 64177 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 21394, independent: 20530, independent conditional: 0, independent unconditional: 20530, dependent: 864, dependent conditional: 0, dependent unconditional: 864, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4391, independent: 4305, independent conditional: 0, independent unconditional: 4305, dependent: 86, dependent conditional: 0, dependent unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 21394, independent: 16225, independent conditional: 0, independent unconditional: 16225, dependent: 778, dependent conditional: 0, dependent unconditional: 778, unknown: 4391, unknown conditional: 0, unknown unconditional: 4391] , Statistics on independence cache: Total cache size (in pairs): 889, Positive cache size: 848, Positive conditional cache size: 0, Positive unconditional cache size: 848, Negative cache size: 41, Negative conditional cache size: 0, Negative unconditional cache size: 41, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 129]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 130]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 155]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 140]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 141]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 143]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 143]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: 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 9 procedures, 444 locations, 112 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 18.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 599 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 377 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 319 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1540 IncrementalHoareTripleChecker+Invalid, 1859 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 319 mSolverCounterUnsat, 0 mSDtfsCounter, 1540 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=266occurred in iteration=0, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 98 ConstructedInterpolants, 0 QuantifiedInterpolants, 422 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 61 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-06 21:53:50,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386c8f03-956b-4748-8c02-4f34a7a40dc1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE