./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/array-eq-symm.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_e85b135a-f9c0-425e-a4e8-323ad67b2996/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85b135a-f9c0-425e-a4e8-323ad67b2996/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_e85b135a-f9c0-425e-a4e8-323ad67b2996/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85b135a-f9c0-425e-a4e8-323ad67b2996/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/array-eq-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85b135a-f9c0-425e-a4e8-323ad67b2996/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_e85b135a-f9c0-425e-a4e8-323ad67b2996/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 1a172ae6dd3a5207c1a2580ce55cc24497fcf78586be62b7482a56f18aa6beb2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:02:34,264 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:02:34,390 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85b135a-f9c0-425e-a4e8-323ad67b2996/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 22:02:34,399 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:02:34,400 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:02:34,438 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:02:34,440 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:02:34,441 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:02:34,442 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:02:34,451 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:02:34,452 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:02:34,452 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:02:34,453 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:02:34,455 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:02:34,455 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:02:34,456 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:02:34,456 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:02:34,457 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:02:34,457 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:02:34,458 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:02:34,458 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:02:34,459 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:02:34,459 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 22:02:34,460 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:02:34,461 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:02:34,461 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:02:34,462 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:02:34,462 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:02:34,463 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:02:34,463 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:02:34,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:02:34,464 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:02:34,465 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:02:34,465 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:02:34,465 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:02:34,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:02:34,466 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:02:34,466 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:02:34,467 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:02:34,467 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:02:34,468 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:02:34,468 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_e85b135a-f9c0-425e-a4e8-323ad67b2996/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85b135a-f9c0-425e-a4e8-323ad67b2996/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a172ae6dd3a5207c1a2580ce55cc24497fcf78586be62b7482a56f18aa6beb2 [2023-11-06 22:02:34,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:02:34,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:02:34,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:02:34,838 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:02:34,839 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:02:34,840 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85b135a-f9c0-425e-a4e8-323ad67b2996/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/weaver/array-eq-symm.wvr.c [2023-11-06 22:02:38,142 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:02:38,358 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:02:38,359 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85b135a-f9c0-425e-a4e8-323ad67b2996/sv-benchmarks/c/weaver/array-eq-symm.wvr.c [2023-11-06 22:02:38,372 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85b135a-f9c0-425e-a4e8-323ad67b2996/bin/uautomizer-verify-WvqO1wxjHP/data/a9082b13c/9e869cf87dbf4847a7ae12f39e5a5ee6/FLAG84741d4f9 [2023-11-06 22:02:38,399 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85b135a-f9c0-425e-a4e8-323ad67b2996/bin/uautomizer-verify-WvqO1wxjHP/data/a9082b13c/9e869cf87dbf4847a7ae12f39e5a5ee6 [2023-11-06 22:02:38,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:02:38,404 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:02:38,405 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:02:38,406 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:02:38,416 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:02:38,417 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:02:38" (1/1) ... [2023-11-06 22:02:38,418 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bc74e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:38, skipping insertion in model container [2023-11-06 22:02:38,418 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:02:38" (1/1) ... [2023-11-06 22:02:38,456 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:02:38,648 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:02:38,657 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:02:38,689 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:02:38,706 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:02:38,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:38 WrapperNode [2023-11-06 22:02:38,707 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:02:38,708 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:02:38,708 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:02:38,709 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:02:38,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:38" (1/1) ... [2023-11-06 22:02:38,727 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:38" (1/1) ... [2023-11-06 22:02:38,760 INFO L138 Inliner]: procedures = 23, calls = 30, calls flagged for inlining = 8, calls inlined = 10, statements flattened = 167 [2023-11-06 22:02:38,760 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:02:38,761 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:02:38,761 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:02:38,761 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:02:38,771 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:38" (1/1) ... [2023-11-06 22:02:38,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:38" (1/1) ... [2023-11-06 22:02:38,784 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:38" (1/1) ... [2023-11-06 22:02:38,784 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:38" (1/1) ... [2023-11-06 22:02:38,802 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:38" (1/1) ... [2023-11-06 22:02:38,807 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:38" (1/1) ... [2023-11-06 22:02:38,810 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:38" (1/1) ... [2023-11-06 22:02:38,821 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:38" (1/1) ... [2023-11-06 22:02:38,826 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:02:38,831 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:02:38,832 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:02:38,832 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:02:38,833 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:38" (1/1) ... [2023-11-06 22:02:38,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:02:38,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85b135a-f9c0-425e-a4e8-323ad67b2996/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:38,866 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85b135a-f9c0-425e-a4e8-323ad67b2996/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:38,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85b135a-f9c0-425e-a4e8-323ad67b2996/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:02:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:02:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-06 22:02:38,938 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-06 22:02:38,939 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-06 22:02:38,939 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-06 22:02:38,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:02:38,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:02:38,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:02:38,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:02:38,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:02:38,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:02:38,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:02:38,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:02:38,942 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 22:02:39,070 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:02:39,073 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:02:39,648 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:02:39,660 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:02:39,660 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-06 22:02:39,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:02:39 BoogieIcfgContainer [2023-11-06 22:02:39,664 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:02:39,666 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:02:39,666 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:02:39,669 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:02:39,670 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:02:38" (1/3) ... [2023-11-06 22:02:39,671 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69a16c92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:02:39, skipping insertion in model container [2023-11-06 22:02:39,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:38" (2/3) ... [2023-11-06 22:02:39,671 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69a16c92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:02:39, skipping insertion in model container [2023-11-06 22:02:39,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:02:39" (3/3) ... [2023-11-06 22:02:39,673 INFO L112 eAbstractionObserver]: Analyzing ICFG array-eq-symm.wvr.c [2023-11-06 22:02:39,681 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:02:39,692 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:02:39,693 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2023-11-06 22:02:39,693 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:02:39,808 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-06 22:02:39,884 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 328 places, 338 transitions, 690 flow [2023-11-06 22:02:40,133 INFO L124 PetriNetUnfolderBase]: 17/336 cut-off events. [2023-11-06 22:02:40,133 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-06 22:02:40,168 INFO L83 FinitePrefix]: Finished finitePrefix Result has 345 conditions, 336 events. 17/336 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 588 event pairs, 0 based on Foata normal form. 0/283 useless extension candidates. Maximal degree in co-relation 225. Up to 3 conditions per place. [2023-11-06 22:02:40,168 INFO L82 GeneralOperation]: Start removeDead. Operand has 328 places, 338 transitions, 690 flow [2023-11-06 22:02:40,198 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 306 places, 315 transitions, 642 flow [2023-11-06 22:02:40,202 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:02:40,220 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 306 places, 315 transitions, 642 flow [2023-11-06 22:02:40,225 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 306 places, 315 transitions, 642 flow [2023-11-06 22:02:40,225 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 306 places, 315 transitions, 642 flow [2023-11-06 22:02:40,322 INFO L124 PetriNetUnfolderBase]: 16/315 cut-off events. [2023-11-06 22:02:40,322 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-06 22:02:40,328 INFO L83 FinitePrefix]: Finished finitePrefix Result has 324 conditions, 315 events. 16/315 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 531 event pairs, 0 based on Foata normal form. 0/264 useless extension candidates. Maximal degree in co-relation 225. Up to 3 conditions per place. [2023-11-06 22:02:40,338 INFO L119 LiptonReduction]: Number of co-enabled transitions 13068 [2023-11-06 22:02:49,703 INFO L134 LiptonReduction]: Checked pairs total: 59612 [2023-11-06 22:02:49,703 INFO L136 LiptonReduction]: Total number of compositions: 298 [2023-11-06 22:02:49,720 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:02:49,727 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;@34b51d5e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:02:49,728 INFO L358 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2023-11-06 22:02:49,729 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 22:02:49,730 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-06 22:02:49,730 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:02:49,730 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:02:49,731 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-06 22:02:49,731 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2023-11-06 22:02:49,737 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:49,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1198, now seen corresponding path program 1 times [2023-11-06 22:02:49,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:49,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466921464] [2023-11-06 22:02:49,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:49,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:49,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:49,854 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 22:02:49,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:49,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466921464] [2023-11-06 22:02:49,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466921464] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:49,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:49,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-06 22:02:49,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822687592] [2023-11-06 22:02:49,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:49,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:02:49,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:49,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:02:49,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:02:49,899 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 636 [2023-11-06 22:02:49,910 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 102 transitions, 216 flow. Second operand has 2 states, 2 states have (on average 324.5) internal successors, (649), 2 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:49,911 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:02:49,912 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 636 [2023-11-06 22:02:49,913 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:02:50,188 INFO L124 PetriNetUnfolderBase]: 431/1233 cut-off events. [2023-11-06 22:02:50,189 INFO L125 PetriNetUnfolderBase]: For 42/87 co-relation queries the response was YES. [2023-11-06 22:02:50,192 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1945 conditions, 1233 events. 431/1233 cut-off events. For 42/87 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 8076 event pairs, 297 based on Foata normal form. 73/1107 useless extension candidates. Maximal degree in co-relation 1762. Up to 676 conditions per place. [2023-11-06 22:02:50,201 INFO L140 encePairwiseOnDemand]: 612/636 looper letters, 35 selfloop transitions, 0 changer transitions 1/78 dead transitions. [2023-11-06 22:02:50,201 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 78 transitions, 240 flow [2023-11-06 22:02:50,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:02:50,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-06 22:02:50,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 708 transitions. [2023-11-06 22:02:50,220 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5566037735849056 [2023-11-06 22:02:50,221 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 708 transitions. [2023-11-06 22:02:50,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 708 transitions. [2023-11-06 22:02:50,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:02:50,227 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 708 transitions. [2023-11-06 22:02:50,233 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 354.0) internal successors, (708), 2 states have internal predecessors, (708), 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 22:02:50,240 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 636.0) internal successors, (1908), 3 states have internal predecessors, (1908), 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 22:02:50,242 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 636.0) internal successors, (1908), 3 states have internal predecessors, (1908), 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 22:02:50,244 INFO L175 Difference]: Start difference. First operand has 99 places, 102 transitions, 216 flow. Second operand 2 states and 708 transitions. [2023-11-06 22:02:50,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 78 transitions, 240 flow [2023-11-06 22:02:50,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 78 transitions, 232 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-06 22:02:50,252 INFO L231 Difference]: Finished difference. Result has 74 places, 77 transitions, 157 flow [2023-11-06 22:02:50,254 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=636, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=157, PETRI_PLACES=74, PETRI_TRANSITIONS=77} [2023-11-06 22:02:50,258 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -25 predicate places. [2023-11-06 22:02:50,258 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 77 transitions, 157 flow [2023-11-06 22:02:50,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 324.5) internal successors, (649), 2 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:50,260 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:02:50,260 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:02:50,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:02:50,261 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2023-11-06 22:02:50,261 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:50,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1466366938, now seen corresponding path program 1 times [2023-11-06 22:02:50,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:50,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390176459] [2023-11-06 22:02:50,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:50,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:50,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:50,413 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 22:02:50,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:50,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390176459] [2023-11-06 22:02:50,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390176459] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:50,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:50,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:02:50,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576582614] [2023-11-06 22:02:50,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:50,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:02:50,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:50,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:02:50,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:02:50,446 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 636 [2023-11-06 22:02:50,448 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 77 transitions, 157 flow. Second operand has 3 states, 3 states have (on average 316.0) internal successors, (948), 3 states have internal predecessors, (948), 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 22:02:50,448 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:02:50,448 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 636 [2023-11-06 22:02:50,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:02:50,644 INFO L124 PetriNetUnfolderBase]: 431/1211 cut-off events. [2023-11-06 22:02:50,644 INFO L125 PetriNetUnfolderBase]: For 10/55 co-relation queries the response was YES. [2023-11-06 22:02:50,647 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1899 conditions, 1211 events. 431/1211 cut-off events. For 10/55 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 7784 event pairs, 297 based on Foata normal form. 0/1012 useless extension candidates. Maximal degree in co-relation 1896. Up to 674 conditions per place. [2023-11-06 22:02:50,656 INFO L140 encePairwiseOnDemand]: 633/636 looper letters, 34 selfloop transitions, 1 changer transitions 0/75 dead transitions. [2023-11-06 22:02:50,656 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 75 transitions, 223 flow [2023-11-06 22:02:50,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:02:50,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:02:50,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 979 transitions. [2023-11-06 22:02:50,661 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5131027253668763 [2023-11-06 22:02:50,661 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 979 transitions. [2023-11-06 22:02:50,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 979 transitions. [2023-11-06 22:02:50,662 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:02:50,662 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 979 transitions. [2023-11-06 22:02:50,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 326.3333333333333) internal successors, (979), 3 states have internal predecessors, (979), 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 22:02:50,695 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 636.0) internal successors, (2544), 4 states have internal predecessors, (2544), 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 22:02:50,698 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 636.0) internal successors, (2544), 4 states have internal predecessors, (2544), 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 22:02:50,699 INFO L175 Difference]: Start difference. First operand has 74 places, 77 transitions, 157 flow. Second operand 3 states and 979 transitions. [2023-11-06 22:02:50,702 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 75 transitions, 223 flow [2023-11-06 22:02:50,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 75 transitions, 223 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:02:50,707 INFO L231 Difference]: Finished difference. Result has 73 places, 75 transitions, 155 flow [2023-11-06 22:02:50,707 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=636, PETRI_DIFFERENCE_MINUEND_FLOW=153, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=155, PETRI_PLACES=73, PETRI_TRANSITIONS=75} [2023-11-06 22:02:50,710 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -26 predicate places. [2023-11-06 22:02:50,710 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 75 transitions, 155 flow [2023-11-06 22:02:50,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 316.0) internal successors, (948), 3 states have internal predecessors, (948), 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 22:02:50,712 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:02:50,713 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:50,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:02:50,718 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2023-11-06 22:02:50,723 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:50,723 INFO L85 PathProgramCache]: Analyzing trace with hash 431297579, now seen corresponding path program 1 times [2023-11-06 22:02:50,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:50,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108062373] [2023-11-06 22:02:50,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:50,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:50,826 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 22:02:50,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:50,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108062373] [2023-11-06 22:02:50,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108062373] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:50,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:50,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:02:50,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337912355] [2023-11-06 22:02:50,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:50,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:02:50,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:50,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:02:50,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:02:50,853 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 636 [2023-11-06 22:02:50,855 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 75 transitions, 155 flow. Second operand has 3 states, 3 states have (on average 316.6666666666667) internal successors, (950), 3 states have internal predecessors, (950), 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 22:02:50,856 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:02:50,856 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 636 [2023-11-06 22:02:50,856 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:02:51,072 INFO L124 PetriNetUnfolderBase]: 431/1197 cut-off events. [2023-11-06 22:02:51,072 INFO L125 PetriNetUnfolderBase]: For 10/55 co-relation queries the response was YES. [2023-11-06 22:02:51,075 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1887 conditions, 1197 events. 431/1197 cut-off events. For 10/55 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 7608 event pairs, 297 based on Foata normal form. 0/998 useless extension candidates. Maximal degree in co-relation 1883. Up to 672 conditions per place. [2023-11-06 22:02:51,082 INFO L140 encePairwiseOnDemand]: 633/636 looper letters, 34 selfloop transitions, 1 changer transitions 0/73 dead transitions. [2023-11-06 22:02:51,083 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 73 transitions, 221 flow [2023-11-06 22:02:51,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:02:51,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:02:51,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 979 transitions. [2023-11-06 22:02:51,087 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5131027253668763 [2023-11-06 22:02:51,087 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 979 transitions. [2023-11-06 22:02:51,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 979 transitions. [2023-11-06 22:02:51,088 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:02:51,088 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 979 transitions. [2023-11-06 22:02:51,091 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 326.3333333333333) internal successors, (979), 3 states have internal predecessors, (979), 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 22:02:51,096 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 636.0) internal successors, (2544), 4 states have internal predecessors, (2544), 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 22:02:51,098 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 636.0) internal successors, (2544), 4 states have internal predecessors, (2544), 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 22:02:51,098 INFO L175 Difference]: Start difference. First operand has 73 places, 75 transitions, 155 flow. Second operand 3 states and 979 transitions. [2023-11-06 22:02:51,099 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 73 transitions, 221 flow [2023-11-06 22:02:51,100 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 73 transitions, 220 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:02:51,101 INFO L231 Difference]: Finished difference. Result has 72 places, 73 transitions, 152 flow [2023-11-06 22:02:51,102 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=636, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=152, PETRI_PLACES=72, PETRI_TRANSITIONS=73} [2023-11-06 22:02:51,102 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -27 predicate places. [2023-11-06 22:02:51,103 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 73 transitions, 152 flow [2023-11-06 22:02:51,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 316.6666666666667) internal successors, (950), 3 states have internal predecessors, (950), 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 22:02:51,104 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:02:51,104 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:51,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:02:51,104 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2023-11-06 22:02:51,105 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:51,105 INFO L85 PathProgramCache]: Analyzing trace with hash 429635371, now seen corresponding path program 1 times [2023-11-06 22:02:51,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:51,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570160454] [2023-11-06 22:02:51,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:51,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:51,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:51,188 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 22:02:51,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:51,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570160454] [2023-11-06 22:02:51,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570160454] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:51,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:51,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:02:51,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099068712] [2023-11-06 22:02:51,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:51,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:02:51,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:51,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:02:51,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:02:51,204 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 636 [2023-11-06 22:02:51,206 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 73 transitions, 152 flow. Second operand has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 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 22:02:51,207 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:02:51,207 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 636 [2023-11-06 22:02:51,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:02:51,470 INFO L124 PetriNetUnfolderBase]: 467/1331 cut-off events. [2023-11-06 22:02:51,470 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2023-11-06 22:02:51,473 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2081 conditions, 1331 events. 467/1331 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 8722 event pairs, 297 based on Foata normal form. 0/1124 useless extension candidates. Maximal degree in co-relation 2077. Up to 675 conditions per place. [2023-11-06 22:02:51,481 INFO L140 encePairwiseOnDemand]: 633/636 looper letters, 49 selfloop transitions, 2 changer transitions 0/89 dead transitions. [2023-11-06 22:02:51,482 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 89 transitions, 287 flow [2023-11-06 22:02:51,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:02:51,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:02:51,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1000 transitions. [2023-11-06 22:02:51,486 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5241090146750524 [2023-11-06 22:02:51,486 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1000 transitions. [2023-11-06 22:02:51,487 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1000 transitions. [2023-11-06 22:02:51,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:02:51,488 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1000 transitions. [2023-11-06 22:02:51,491 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 333.3333333333333) internal successors, (1000), 3 states have internal predecessors, (1000), 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 22:02:51,496 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 636.0) internal successors, (2544), 4 states have internal predecessors, (2544), 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 22:02:51,499 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 636.0) internal successors, (2544), 4 states have internal predecessors, (2544), 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 22:02:51,499 INFO L175 Difference]: Start difference. First operand has 72 places, 73 transitions, 152 flow. Second operand 3 states and 1000 transitions. [2023-11-06 22:02:51,499 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 89 transitions, 287 flow [2023-11-06 22:02:51,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 89 transitions, 286 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:02:51,503 INFO L231 Difference]: Finished difference. Result has 74 places, 74 transitions, 163 flow [2023-11-06 22:02:51,503 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=636, PETRI_DIFFERENCE_MINUEND_FLOW=151, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=163, PETRI_PLACES=74, PETRI_TRANSITIONS=74} [2023-11-06 22:02:51,504 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -25 predicate places. [2023-11-06 22:02:51,504 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 74 transitions, 163 flow [2023-11-06 22:02:51,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 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 22:02:51,506 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:02:51,506 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:51,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:02:51,506 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2023-11-06 22:02:51,507 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:51,507 INFO L85 PathProgramCache]: Analyzing trace with hash -2134617981, now seen corresponding path program 1 times [2023-11-06 22:02:51,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:51,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282607620] [2023-11-06 22:02:51,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:51,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:51,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:51,584 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 22:02:51,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:51,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282607620] [2023-11-06 22:02:51,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282607620] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:51,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:51,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:02:51,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609326810] [2023-11-06 22:02:51,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:51,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:02:51,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:51,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:02:51,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:02:51,610 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 636 [2023-11-06 22:02:51,612 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 74 transitions, 163 flow. Second operand has 3 states, 3 states have (on average 319.0) internal successors, (957), 3 states have internal predecessors, (957), 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 22:02:51,614 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:02:51,615 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 636 [2023-11-06 22:02:51,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:02:51,875 INFO L124 PetriNetUnfolderBase]: 506/1386 cut-off events. [2023-11-06 22:02:51,875 INFO L125 PetriNetUnfolderBase]: For 114/134 co-relation queries the response was YES. [2023-11-06 22:02:51,880 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2320 conditions, 1386 events. 506/1386 cut-off events. For 114/134 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 8815 event pairs, 327 based on Foata normal form. 0/1199 useless extension candidates. Maximal degree in co-relation 2315. Up to 733 conditions per place. [2023-11-06 22:02:51,890 INFO L140 encePairwiseOnDemand]: 633/636 looper letters, 51 selfloop transitions, 2 changer transitions 0/91 dead transitions. [2023-11-06 22:02:51,890 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 91 transitions, 314 flow [2023-11-06 22:02:51,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:02:51,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:02:51,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1000 transitions. [2023-11-06 22:02:51,895 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5241090146750524 [2023-11-06 22:02:51,896 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1000 transitions. [2023-11-06 22:02:51,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1000 transitions. [2023-11-06 22:02:51,897 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:02:51,897 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1000 transitions. [2023-11-06 22:02:51,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 333.3333333333333) internal successors, (1000), 3 states have internal predecessors, (1000), 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 22:02:51,906 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 636.0) internal successors, (2544), 4 states have internal predecessors, (2544), 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 22:02:51,909 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 636.0) internal successors, (2544), 4 states have internal predecessors, (2544), 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 22:02:51,909 INFO L175 Difference]: Start difference. First operand has 74 places, 74 transitions, 163 flow. Second operand 3 states and 1000 transitions. [2023-11-06 22:02:51,909 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 91 transitions, 314 flow [2023-11-06 22:02:51,911 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 91 transitions, 310 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:02:51,914 INFO L231 Difference]: Finished difference. Result has 76 places, 75 transitions, 173 flow [2023-11-06 22:02:51,914 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=636, PETRI_DIFFERENCE_MINUEND_FLOW=161, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=173, PETRI_PLACES=76, PETRI_TRANSITIONS=75} [2023-11-06 22:02:51,915 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -23 predicate places. [2023-11-06 22:02:51,915 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 75 transitions, 173 flow [2023-11-06 22:02:51,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 319.0) internal successors, (957), 3 states have internal predecessors, (957), 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 22:02:51,917 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:02:51,917 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:51,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:02:51,917 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2023-11-06 22:02:51,918 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:51,918 INFO L85 PathProgramCache]: Analyzing trace with hash 564331609, now seen corresponding path program 1 times [2023-11-06 22:02:51,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:51,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747834395] [2023-11-06 22:02:51,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:51,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:51,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:51,965 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 22:02:51,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:51,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747834395] [2023-11-06 22:02:51,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747834395] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:51,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:51,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:02:51,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360702804] [2023-11-06 22:02:51,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:51,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:02:51,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:51,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:02:51,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:02:51,981 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 636 [2023-11-06 22:02:51,983 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 75 transitions, 173 flow. Second operand has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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 22:02:51,983 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:02:51,984 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 636 [2023-11-06 22:02:51,984 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:02:52,306 INFO L124 PetriNetUnfolderBase]: 827/2047 cut-off events. [2023-11-06 22:02:52,306 INFO L125 PetriNetUnfolderBase]: For 244/264 co-relation queries the response was YES. [2023-11-06 22:02:52,313 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3780 conditions, 2047 events. 827/2047 cut-off events. For 244/264 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 12774 event pairs, 219 based on Foata normal form. 0/1821 useless extension candidates. Maximal degree in co-relation 3774. Up to 890 conditions per place. [2023-11-06 22:02:52,327 INFO L140 encePairwiseOnDemand]: 632/636 looper letters, 60 selfloop transitions, 2 changer transitions 0/97 dead transitions. [2023-11-06 22:02:52,328 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 97 transitions, 361 flow [2023-11-06 22:02:52,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:02:52,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:02:52,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1011 transitions. [2023-11-06 22:02:52,332 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.529874213836478 [2023-11-06 22:02:52,332 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1011 transitions. [2023-11-06 22:02:52,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1011 transitions. [2023-11-06 22:02:52,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:02:52,334 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1011 transitions. [2023-11-06 22:02:52,337 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 337.0) internal successors, (1011), 3 states have internal predecessors, (1011), 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 22:02:52,343 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 636.0) internal successors, (2544), 4 states have internal predecessors, (2544), 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 22:02:52,345 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 636.0) internal successors, (2544), 4 states have internal predecessors, (2544), 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 22:02:52,345 INFO L175 Difference]: Start difference. First operand has 76 places, 75 transitions, 173 flow. Second operand 3 states and 1011 transitions. [2023-11-06 22:02:52,345 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 97 transitions, 361 flow [2023-11-06 22:02:52,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 97 transitions, 357 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:02:52,351 INFO L231 Difference]: Finished difference. Result has 76 places, 75 transitions, 183 flow [2023-11-06 22:02:52,351 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=636, PETRI_DIFFERENCE_MINUEND_FLOW=167, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=183, PETRI_PLACES=76, PETRI_TRANSITIONS=75} [2023-11-06 22:02:52,352 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -23 predicate places. [2023-11-06 22:02:52,353 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 75 transitions, 183 flow [2023-11-06 22:02:52,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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 22:02:52,354 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:02:52,354 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:52,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:02:52,355 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2023-11-06 22:02:52,355 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:52,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1718716772, now seen corresponding path program 1 times [2023-11-06 22:02:52,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:52,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910421792] [2023-11-06 22:02:52,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:52,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:52,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:52,812 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 22:02:52,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:52,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910421792] [2023-11-06 22:02:52,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910421792] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:52,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:52,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:02:52,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727650987] [2023-11-06 22:02:52,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:52,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:02:52,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:52,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:02:52,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:02:53,230 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 636 [2023-11-06 22:02:53,233 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 75 transitions, 183 flow. Second operand has 6 states, 6 states have (on average 307.8333333333333) internal successors, (1847), 6 states have internal predecessors, (1847), 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 22:02:53,233 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:02:53,233 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 636 [2023-11-06 22:02:53,234 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:02:54,051 INFO L124 PetriNetUnfolderBase]: 2647/4472 cut-off events. [2023-11-06 22:02:54,052 INFO L125 PetriNetUnfolderBase]: For 1090/1090 co-relation queries the response was YES. [2023-11-06 22:02:54,119 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9644 conditions, 4472 events. 2647/4472 cut-off events. For 1090/1090 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 25058 event pairs, 186 based on Foata normal form. 0/4113 useless extension candidates. Maximal degree in co-relation 9638. Up to 1422 conditions per place. [2023-11-06 22:02:54,148 INFO L140 encePairwiseOnDemand]: 631/636 looper letters, 146 selfloop transitions, 4 changer transitions 0/182 dead transitions. [2023-11-06 22:02:54,148 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 182 transitions, 789 flow [2023-11-06 22:02:54,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:02:54,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:02:54,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1972 transitions. [2023-11-06 22:02:54,156 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5167714884696016 [2023-11-06 22:02:54,156 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1972 transitions. [2023-11-06 22:02:54,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1972 transitions. [2023-11-06 22:02:54,159 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:02:54,163 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1972 transitions. [2023-11-06 22:02:54,171 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 328.6666666666667) internal successors, (1972), 6 states have internal predecessors, (1972), 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 22:02:54,180 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 636.0) internal successors, (4452), 7 states have internal predecessors, (4452), 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 22:02:54,182 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 636.0) internal successors, (4452), 7 states have internal predecessors, (4452), 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 22:02:54,182 INFO L175 Difference]: Start difference. First operand has 76 places, 75 transitions, 183 flow. Second operand 6 states and 1972 transitions. [2023-11-06 22:02:54,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 182 transitions, 789 flow [2023-11-06 22:02:54,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 182 transitions, 789 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:02:54,191 INFO L231 Difference]: Finished difference. Result has 80 places, 74 transitions, 189 flow [2023-11-06 22:02:54,192 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=636, PETRI_DIFFERENCE_MINUEND_FLOW=181, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=189, PETRI_PLACES=80, PETRI_TRANSITIONS=74} [2023-11-06 22:02:54,192 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -19 predicate places. [2023-11-06 22:02:54,193 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 74 transitions, 189 flow [2023-11-06 22:02:54,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 307.8333333333333) internal successors, (1847), 6 states have internal predecessors, (1847), 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 22:02:54,194 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:02:54,194 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:54,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:02:54,195 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2023-11-06 22:02:54,196 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:54,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1627393876, now seen corresponding path program 1 times [2023-11-06 22:02:54,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:54,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105310505] [2023-11-06 22:02:54,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:54,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:54,241 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 22:02:54,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:54,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105310505] [2023-11-06 22:02:54,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105310505] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:54,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:54,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:02:54,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157692749] [2023-11-06 22:02:54,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:54,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:02:54,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:54,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:02:54,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:02:54,255 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 636 [2023-11-06 22:02:54,257 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 74 transitions, 189 flow. Second operand has 3 states, 3 states have (on average 321.0) internal successors, (963), 3 states have internal predecessors, (963), 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 22:02:54,257 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:02:54,257 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 636 [2023-11-06 22:02:54,257 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:02:54,613 INFO L124 PetriNetUnfolderBase]: 879/2042 cut-off events. [2023-11-06 22:02:54,614 INFO L125 PetriNetUnfolderBase]: For 515/535 co-relation queries the response was YES. [2023-11-06 22:02:54,620 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4177 conditions, 2042 events. 879/2042 cut-off events. For 515/535 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 12147 event pairs, 212 based on Foata normal form. 0/1859 useless extension candidates. Maximal degree in co-relation 4170. Up to 1001 conditions per place. [2023-11-06 22:02:54,636 INFO L140 encePairwiseOnDemand]: 632/636 looper letters, 60 selfloop transitions, 2 changer transitions 0/95 dead transitions. [2023-11-06 22:02:54,636 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 95 transitions, 378 flow [2023-11-06 22:02:54,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:02:54,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:02:54,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1010 transitions. [2023-11-06 22:02:54,643 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5293501048218029 [2023-11-06 22:02:54,643 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1010 transitions. [2023-11-06 22:02:54,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1010 transitions. [2023-11-06 22:02:54,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:02:54,645 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1010 transitions. [2023-11-06 22:02:54,648 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 336.6666666666667) internal successors, (1010), 3 states have internal predecessors, (1010), 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 22:02:54,653 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 636.0) internal successors, (2544), 4 states have internal predecessors, (2544), 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 22:02:54,655 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 636.0) internal successors, (2544), 4 states have internal predecessors, (2544), 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 22:02:54,655 INFO L175 Difference]: Start difference. First operand has 80 places, 74 transitions, 189 flow. Second operand 3 states and 1010 transitions. [2023-11-06 22:02:54,655 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 95 transitions, 378 flow [2023-11-06 22:02:54,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 95 transitions, 369 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-06 22:02:54,662 INFO L231 Difference]: Finished difference. Result has 77 places, 74 transitions, 194 flow [2023-11-06 22:02:54,662 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=636, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=194, PETRI_PLACES=77, PETRI_TRANSITIONS=74} [2023-11-06 22:02:54,665 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -22 predicate places. [2023-11-06 22:02:54,666 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 74 transitions, 194 flow [2023-11-06 22:02:54,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 321.0) internal successors, (963), 3 states have internal predecessors, (963), 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 22:02:54,667 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:02:54,667 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:54,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:02:54,667 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2023-11-06 22:02:54,668 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:54,668 INFO L85 PathProgramCache]: Analyzing trace with hash 856777445, now seen corresponding path program 1 times [2023-11-06 22:02:54,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:54,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91493196] [2023-11-06 22:02:54,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:54,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:54,829 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 22:02:54,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:54,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91493196] [2023-11-06 22:02:54,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91493196] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:54,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:54,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:02:54,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160430058] [2023-11-06 22:02:54,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:54,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:02:54,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:54,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:02:54,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:02:55,080 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 636 [2023-11-06 22:02:55,082 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 74 transitions, 194 flow. Second operand has 4 states, 4 states have (on average 311.5) internal successors, (1246), 4 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:55,082 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:02:55,082 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 636 [2023-11-06 22:02:55,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:02:55,580 INFO L124 PetriNetUnfolderBase]: 1135/2780 cut-off events. [2023-11-06 22:02:55,580 INFO L125 PetriNetUnfolderBase]: For 506/542 co-relation queries the response was YES. [2023-11-06 22:02:55,588 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5466 conditions, 2780 events. 1135/2780 cut-off events. For 506/542 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 18479 event pairs, 843 based on Foata normal form. 44/2630 useless extension candidates. Maximal degree in co-relation 5459. Up to 1326 conditions per place. [2023-11-06 22:02:55,601 INFO L140 encePairwiseOnDemand]: 630/636 looper letters, 63 selfloop transitions, 5 changer transitions 0/103 dead transitions. [2023-11-06 22:02:55,601 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 103 transitions, 411 flow [2023-11-06 22:02:55,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:02:55,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-06 22:02:55,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1608 transitions. [2023-11-06 22:02:55,608 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5056603773584906 [2023-11-06 22:02:55,608 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1608 transitions. [2023-11-06 22:02:55,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1608 transitions. [2023-11-06 22:02:55,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:02:55,610 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1608 transitions. [2023-11-06 22:02:55,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 321.6) internal successors, (1608), 5 states have internal predecessors, (1608), 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 22:02:55,621 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 636.0) internal successors, (3816), 6 states have internal predecessors, (3816), 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 22:02:55,623 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 636.0) internal successors, (3816), 6 states have internal predecessors, (3816), 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 22:02:55,623 INFO L175 Difference]: Start difference. First operand has 77 places, 74 transitions, 194 flow. Second operand 5 states and 1608 transitions. [2023-11-06 22:02:55,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 103 transitions, 411 flow [2023-11-06 22:02:55,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 103 transitions, 411 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:02:55,628 INFO L231 Difference]: Finished difference. Result has 84 places, 78 transitions, 231 flow [2023-11-06 22:02:55,629 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=636, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=231, PETRI_PLACES=84, PETRI_TRANSITIONS=78} [2023-11-06 22:02:55,629 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -15 predicate places. [2023-11-06 22:02:55,630 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 78 transitions, 231 flow [2023-11-06 22:02:55,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 311.5) internal successors, (1246), 4 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:55,631 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:02:55,631 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 22:02:55,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 22:02:55,631 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2023-11-06 22:02:55,632 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:55,632 INFO L85 PathProgramCache]: Analyzing trace with hash -6239514, now seen corresponding path program 1 times [2023-11-06 22:02:55,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:55,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809644353] [2023-11-06 22:02:55,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:55,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:55,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:55,742 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 22:02:55,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:55,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809644353] [2023-11-06 22:02:55,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809644353] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:55,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:55,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:02:55,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050221596] [2023-11-06 22:02:55,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:55,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:02:55,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:55,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:02:55,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:02:55,960 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 300 out of 636 [2023-11-06 22:02:55,963 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 78 transitions, 231 flow. Second operand has 5 states, 5 states have (on average 302.6) internal successors, (1513), 5 states have internal predecessors, (1513), 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 22:02:55,963 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:02:55,963 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 300 of 636 [2023-11-06 22:02:55,963 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:02:56,409 INFO L124 PetriNetUnfolderBase]: 937/2201 cut-off events. [2023-11-06 22:02:56,409 INFO L125 PetriNetUnfolderBase]: For 451/495 co-relation queries the response was YES. [2023-11-06 22:02:56,418 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4455 conditions, 2201 events. 937/2201 cut-off events. For 451/495 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 13363 event pairs, 591 based on Foata normal form. 14/2068 useless extension candidates. Maximal degree in co-relation 4444. Up to 1212 conditions per place. [2023-11-06 22:02:56,428 INFO L140 encePairwiseOnDemand]: 627/636 looper letters, 73 selfloop transitions, 11 changer transitions 0/119 dead transitions. [2023-11-06 22:02:56,428 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 119 transitions, 521 flow [2023-11-06 22:02:56,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:02:56,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-11-06 22:02:56,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2179 transitions. [2023-11-06 22:02:56,437 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4894429469901168 [2023-11-06 22:02:56,437 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2179 transitions. [2023-11-06 22:02:56,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2179 transitions. [2023-11-06 22:02:56,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:02:56,440 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2179 transitions. [2023-11-06 22:02:56,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 311.2857142857143) internal successors, (2179), 7 states have internal predecessors, (2179), 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 22:02:56,455 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 636.0) internal successors, (5088), 8 states have internal predecessors, (5088), 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 22:02:56,457 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 636.0) internal successors, (5088), 8 states have internal predecessors, (5088), 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 22:02:56,457 INFO L175 Difference]: Start difference. First operand has 84 places, 78 transitions, 231 flow. Second operand 7 states and 2179 transitions. [2023-11-06 22:02:56,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 119 transitions, 521 flow [2023-11-06 22:02:56,461 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 119 transitions, 515 flow, removed 2 selfloop flow, removed 1 redundant places. [2023-11-06 22:02:56,463 INFO L231 Difference]: Finished difference. Result has 91 places, 82 transitions, 277 flow [2023-11-06 22:02:56,464 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=636, PETRI_DIFFERENCE_MINUEND_FLOW=225, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=277, PETRI_PLACES=91, PETRI_TRANSITIONS=82} [2023-11-06 22:02:56,465 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -8 predicate places. [2023-11-06 22:02:56,465 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 82 transitions, 277 flow [2023-11-06 22:02:56,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 302.6) internal successors, (1513), 5 states have internal predecessors, (1513), 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 22:02:56,466 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:02:56,466 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 22:02:56,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-06 22:02:56,466 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2023-11-06 22:02:56,467 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:56,467 INFO L85 PathProgramCache]: Analyzing trace with hash -2105302377, now seen corresponding path program 1 times [2023-11-06 22:02:56,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:56,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434140441] [2023-11-06 22:02:56,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:56,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:56,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 22:02:56,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:56,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434140441] [2023-11-06 22:02:56,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434140441] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:56,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:56,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:02:56,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598225317] [2023-11-06 22:02:56,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:56,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:02:56,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:56,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:02:56,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:02:56,848 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 300 out of 636 [2023-11-06 22:02:56,850 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 82 transitions, 277 flow. Second operand has 6 states, 6 states have (on average 301.8333333333333) internal successors, (1811), 6 states have internal predecessors, (1811), 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 22:02:56,850 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:02:56,850 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 300 of 636 [2023-11-06 22:02:56,850 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:02:57,757 INFO L124 PetriNetUnfolderBase]: 2054/4713 cut-off events. [2023-11-06 22:02:57,757 INFO L125 PetriNetUnfolderBase]: For 1577/1587 co-relation queries the response was YES. [2023-11-06 22:02:57,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10133 conditions, 4713 events. 2054/4713 cut-off events. For 1577/1587 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 32324 event pairs, 957 based on Foata normal form. 56/4455 useless extension candidates. Maximal degree in co-relation 10120. Up to 1288 conditions per place. [2023-11-06 22:02:57,810 INFO L140 encePairwiseOnDemand]: 627/636 looper letters, 153 selfloop transitions, 16 changer transitions 0/204 dead transitions. [2023-11-06 22:02:57,811 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 204 transitions, 1068 flow [2023-11-06 22:02:57,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:02:57,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-06 22:02:57,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 2538 transitions. [2023-11-06 22:02:57,823 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4988207547169811 [2023-11-06 22:02:57,823 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 2538 transitions. [2023-11-06 22:02:57,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 2538 transitions. [2023-11-06 22:02:57,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:02:57,826 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 2538 transitions. [2023-11-06 22:02:57,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 317.25) internal successors, (2538), 8 states have internal predecessors, (2538), 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 22:02:57,846 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 636.0) internal successors, (5724), 9 states have internal predecessors, (5724), 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 22:02:57,848 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 636.0) internal successors, (5724), 9 states have internal predecessors, (5724), 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 22:02:57,849 INFO L175 Difference]: Start difference. First operand has 91 places, 82 transitions, 277 flow. Second operand 8 states and 2538 transitions. [2023-11-06 22:02:57,849 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 204 transitions, 1068 flow [2023-11-06 22:02:57,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 204 transitions, 1062 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-06 22:02:57,864 INFO L231 Difference]: Finished difference. Result has 100 places, 91 transitions, 373 flow [2023-11-06 22:02:57,865 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=636, PETRI_DIFFERENCE_MINUEND_FLOW=271, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=373, PETRI_PLACES=100, PETRI_TRANSITIONS=91} [2023-11-06 22:02:57,865 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 1 predicate places. [2023-11-06 22:02:57,865 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 91 transitions, 373 flow [2023-11-06 22:02:57,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 301.8333333333333) internal successors, (1811), 6 states have internal predecessors, (1811), 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 22:02:57,866 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:02:57,867 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:57,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-06 22:02:57,867 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2023-11-06 22:02:57,868 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:57,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1636400780, now seen corresponding path program 1 times [2023-11-06 22:02:57,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:57,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261708506] [2023-11-06 22:02:57,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:57,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:58,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 22:02:58,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:58,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261708506] [2023-11-06 22:02:58,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261708506] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:58,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:58,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:02:58,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370757271] [2023-11-06 22:02:58,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:58,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:02:58,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:58,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:02:58,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:02:58,245 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 636 [2023-11-06 22:02:58,247 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 91 transitions, 373 flow. Second operand has 5 states, 5 states have (on average 310.8) internal successors, (1554), 5 states have internal predecessors, (1554), 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 22:02:58,247 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:02:58,247 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 636 [2023-11-06 22:02:58,247 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:02:59,252 INFO L124 PetriNetUnfolderBase]: 2315/5473 cut-off events. [2023-11-06 22:02:59,252 INFO L125 PetriNetUnfolderBase]: For 2913/2999 co-relation queries the response was YES. [2023-11-06 22:02:59,286 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12305 conditions, 5473 events. 2315/5473 cut-off events. For 2913/2999 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 37268 event pairs, 1015 based on Foata normal form. 26/5197 useless extension candidates. Maximal degree in co-relation 12287. Up to 1604 conditions per place. [2023-11-06 22:02:59,309 INFO L140 encePairwiseOnDemand]: 629/636 looper letters, 104 selfloop transitions, 10 changer transitions 0/149 dead transitions. [2023-11-06 22:02:59,310 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 149 transitions, 830 flow [2023-11-06 22:02:59,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:02:59,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-06 22:02:59,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1626 transitions. [2023-11-06 22:02:59,317 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5113207547169811 [2023-11-06 22:02:59,317 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1626 transitions. [2023-11-06 22:02:59,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1626 transitions. [2023-11-06 22:02:59,319 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:02:59,319 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1626 transitions. [2023-11-06 22:02:59,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 325.2) internal successors, (1626), 5 states have internal predecessors, (1626), 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 22:02:59,330 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 636.0) internal successors, (3816), 6 states have internal predecessors, (3816), 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 22:02:59,331 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 636.0) internal successors, (3816), 6 states have internal predecessors, (3816), 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 22:02:59,332 INFO L175 Difference]: Start difference. First operand has 100 places, 91 transitions, 373 flow. Second operand 5 states and 1626 transitions. [2023-11-06 22:02:59,332 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 149 transitions, 830 flow [2023-11-06 22:02:59,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 149 transitions, 824 flow, removed 3 selfloop flow, removed 0 redundant places. [2023-11-06 22:02:59,348 INFO L231 Difference]: Finished difference. Result has 106 places, 94 transitions, 423 flow [2023-11-06 22:02:59,349 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=636, PETRI_DIFFERENCE_MINUEND_FLOW=367, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=423, PETRI_PLACES=106, PETRI_TRANSITIONS=94} [2023-11-06 22:02:59,349 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 7 predicate places. [2023-11-06 22:02:59,350 INFO L495 AbstractCegarLoop]: Abstraction has has 106 places, 94 transitions, 423 flow [2023-11-06 22:02:59,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 310.8) internal successors, (1554), 5 states have internal predecessors, (1554), 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 22:02:59,351 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:02:59,351 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:59,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-06 22:02:59,351 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2023-11-06 22:02:59,352 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:59,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1312984148, now seen corresponding path program 1 times [2023-11-06 22:02:59,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:59,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629685412] [2023-11-06 22:02:59,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:59,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:59,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:59,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-06 22:02:59,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:59,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629685412] [2023-11-06 22:02:59,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629685412] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:59,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:59,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:02:59,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473678354] [2023-11-06 22:02:59,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:59,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:02:59,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:59,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:02:59,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:03:00,163 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 636 [2023-11-06 22:03:00,165 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 94 transitions, 423 flow. Second operand has 6 states, 6 states have (on average 308.8333333333333) internal successors, (1853), 6 states have internal predecessors, (1853), 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 22:03:00,165 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:03:00,165 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 636 [2023-11-06 22:03:00,165 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:03:01,785 INFO L124 PetriNetUnfolderBase]: 3217/7211 cut-off events. [2023-11-06 22:03:01,786 INFO L125 PetriNetUnfolderBase]: For 4925/5013 co-relation queries the response was YES. [2023-11-06 22:03:01,827 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16797 conditions, 7211 events. 3217/7211 cut-off events. For 4925/5013 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 49499 event pairs, 1491 based on Foata normal form. 4/6972 useless extension candidates. Maximal degree in co-relation 16776. Up to 3049 conditions per place. [2023-11-06 22:03:01,858 INFO L140 encePairwiseOnDemand]: 630/636 looper letters, 136 selfloop transitions, 6 changer transitions 0/171 dead transitions. [2023-11-06 22:03:01,858 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 171 transitions, 1034 flow [2023-11-06 22:03:01,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:03:01,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:03:01,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1939 transitions. [2023-11-06 22:03:01,865 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5081236897274634 [2023-11-06 22:03:01,865 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1939 transitions. [2023-11-06 22:03:01,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1939 transitions. [2023-11-06 22:03:01,867 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:03:01,867 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1939 transitions. [2023-11-06 22:03:01,872 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 323.1666666666667) internal successors, (1939), 6 states have internal predecessors, (1939), 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 22:03:01,880 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 636.0) internal successors, (4452), 7 states have internal predecessors, (4452), 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 22:03:01,881 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 636.0) internal successors, (4452), 7 states have internal predecessors, (4452), 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 22:03:01,881 INFO L175 Difference]: Start difference. First operand has 106 places, 94 transitions, 423 flow. Second operand 6 states and 1939 transitions. [2023-11-06 22:03:01,882 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 171 transitions, 1034 flow [2023-11-06 22:03:01,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 171 transitions, 1022 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-06 22:03:01,900 INFO L231 Difference]: Finished difference. Result has 108 places, 93 transitions, 425 flow [2023-11-06 22:03:01,900 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=636, PETRI_DIFFERENCE_MINUEND_FLOW=413, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=425, PETRI_PLACES=108, PETRI_TRANSITIONS=93} [2023-11-06 22:03:01,901 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 9 predicate places. [2023-11-06 22:03:01,901 INFO L495 AbstractCegarLoop]: Abstraction has has 108 places, 93 transitions, 425 flow [2023-11-06 22:03:01,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 308.8333333333333) internal successors, (1853), 6 states have internal predecessors, (1853), 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 22:03:01,902 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:03:01,903 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:01,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-06 22:03:01,903 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2023-11-06 22:03:01,903 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:01,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1450627839, now seen corresponding path program 1 times [2023-11-06 22:03:01,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:01,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693981687] [2023-11-06 22:03:01,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:01,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:02,402 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-06 22:03:02,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:02,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693981687] [2023-11-06 22:03:02,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693981687] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:02,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:02,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:03:02,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34419776] [2023-11-06 22:03:02,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:02,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:03:02,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:02,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:03:02,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:03:02,796 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 636 [2023-11-06 22:03:02,797 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 93 transitions, 425 flow. Second operand has 6 states, 6 states have (on average 309.1666666666667) internal successors, (1855), 6 states have internal predecessors, (1855), 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 22:03:02,798 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:03:02,798 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 636 [2023-11-06 22:03:02,798 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:03:04,146 INFO L124 PetriNetUnfolderBase]: 3146/7154 cut-off events. [2023-11-06 22:03:04,146 INFO L125 PetriNetUnfolderBase]: For 5118/5188 co-relation queries the response was YES. [2023-11-06 22:03:04,170 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16941 conditions, 7154 events. 3146/7154 cut-off events. For 5118/5188 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 50662 event pairs, 1634 based on Foata normal form. 0/7010 useless extension candidates. Maximal degree in co-relation 16920. Up to 3288 conditions per place. [2023-11-06 22:03:04,196 INFO L140 encePairwiseOnDemand]: 630/636 looper letters, 137 selfloop transitions, 6 changer transitions 0/172 dead transitions. [2023-11-06 22:03:04,196 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 172 transitions, 1065 flow [2023-11-06 22:03:04,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:03:04,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:03:04,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1936 transitions. [2023-11-06 22:03:04,209 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5073375262054507 [2023-11-06 22:03:04,209 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1936 transitions. [2023-11-06 22:03:04,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1936 transitions. [2023-11-06 22:03:04,211 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:03:04,211 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1936 transitions. [2023-11-06 22:03:04,216 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 322.6666666666667) internal successors, (1936), 6 states have internal predecessors, (1936), 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 22:03:04,222 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 636.0) internal successors, (4452), 7 states have internal predecessors, (4452), 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 22:03:04,224 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 636.0) internal successors, (4452), 7 states have internal predecessors, (4452), 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 22:03:04,224 INFO L175 Difference]: Start difference. First operand has 108 places, 93 transitions, 425 flow. Second operand 6 states and 1936 transitions. [2023-11-06 22:03:04,224 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 172 transitions, 1065 flow [2023-11-06 22:03:04,240 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 172 transitions, 1037 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-06 22:03:04,243 INFO L231 Difference]: Finished difference. Result has 107 places, 92 transitions, 423 flow [2023-11-06 22:03:04,243 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=636, PETRI_DIFFERENCE_MINUEND_FLOW=411, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=423, PETRI_PLACES=107, PETRI_TRANSITIONS=92} [2023-11-06 22:03:04,244 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 8 predicate places. [2023-11-06 22:03:04,244 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 92 transitions, 423 flow [2023-11-06 22:03:04,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 309.1666666666667) internal successors, (1855), 6 states have internal predecessors, (1855), 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 22:03:04,245 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:03:04,245 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] [2023-11-06 22:03:04,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-06 22:03:04,246 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2023-11-06 22:03:04,246 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:04,246 INFO L85 PathProgramCache]: Analyzing trace with hash 885433814, now seen corresponding path program 1 times [2023-11-06 22:03:04,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:04,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881338882] [2023-11-06 22:03:04,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:04,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:04,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:04,603 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 22:03:04,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:04,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881338882] [2023-11-06 22:03:04,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881338882] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:04,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:04,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:03:04,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290340021] [2023-11-06 22:03:04,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:04,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:03:04,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:04,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:03:04,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:03:05,022 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 636 [2023-11-06 22:03:05,023 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 92 transitions, 423 flow. Second operand has 6 states, 6 states have (on average 308.6666666666667) internal successors, (1852), 6 states have internal predecessors, (1852), 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 22:03:05,023 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:03:05,024 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 636 [2023-11-06 22:03:05,024 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:03:06,116 INFO L124 PetriNetUnfolderBase]: 2643/5995 cut-off events. [2023-11-06 22:03:06,116 INFO L125 PetriNetUnfolderBase]: For 4790/4872 co-relation queries the response was YES. [2023-11-06 22:03:06,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14797 conditions, 5995 events. 2643/5995 cut-off events. For 4790/4872 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 41136 event pairs, 1851 based on Foata normal form. 2/5917 useless extension candidates. Maximal degree in co-relation 14776. Up to 3709 conditions per place. [2023-11-06 22:03:06,156 INFO L140 encePairwiseOnDemand]: 631/636 looper letters, 90 selfloop transitions, 4 changer transitions 53/175 dead transitions. [2023-11-06 22:03:06,156 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 175 transitions, 1207 flow [2023-11-06 22:03:06,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:03:06,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:03:06,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1924 transitions. [2023-11-06 22:03:06,166 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5041928721174004 [2023-11-06 22:03:06,166 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1924 transitions. [2023-11-06 22:03:06,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1924 transitions. [2023-11-06 22:03:06,168 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:03:06,168 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1924 transitions. [2023-11-06 22:03:06,173 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 320.6666666666667) internal successors, (1924), 6 states have internal predecessors, (1924), 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 22:03:06,180 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 636.0) internal successors, (4452), 7 states have internal predecessors, (4452), 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 22:03:06,182 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 636.0) internal successors, (4452), 7 states have internal predecessors, (4452), 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 22:03:06,182 INFO L175 Difference]: Start difference. First operand has 107 places, 92 transitions, 423 flow. Second operand 6 states and 1924 transitions. [2023-11-06 22:03:06,183 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 175 transitions, 1207 flow [2023-11-06 22:03:06,200 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 175 transitions, 1171 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-06 22:03:06,203 INFO L231 Difference]: Finished difference. Result has 106 places, 78 transitions, 294 flow [2023-11-06 22:03:06,203 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=636, PETRI_DIFFERENCE_MINUEND_FLOW=409, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=294, PETRI_PLACES=106, PETRI_TRANSITIONS=78} [2023-11-06 22:03:06,205 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 7 predicate places. [2023-11-06 22:03:06,205 INFO L495 AbstractCegarLoop]: Abstraction has has 106 places, 78 transitions, 294 flow [2023-11-06 22:03:06,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 308.6666666666667) internal successors, (1852), 6 states have internal predecessors, (1852), 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 22:03:06,206 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:03:06,206 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 22:03:06,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-06 22:03:06,206 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2023-11-06 22:03:06,207 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:06,207 INFO L85 PathProgramCache]: Analyzing trace with hash -649449364, now seen corresponding path program 1 times [2023-11-06 22:03:06,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:06,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719848184] [2023-11-06 22:03:06,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:06,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:06,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:06,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-06 22:03:06,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:06,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719848184] [2023-11-06 22:03:06,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719848184] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:06,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:06,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:03:06,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51923789] [2023-11-06 22:03:06,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:06,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:03:06,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:06,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:03:06,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:03:07,191 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 636 [2023-11-06 22:03:07,193 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 78 transitions, 294 flow. Second operand has 6 states, 6 states have (on average 309.5) internal successors, (1857), 6 states have internal predecessors, (1857), 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 22:03:07,194 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:03:07,194 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 636 [2023-11-06 22:03:07,194 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:03:08,221 INFO L124 PetriNetUnfolderBase]: 2737/5639 cut-off events. [2023-11-06 22:03:08,222 INFO L125 PetriNetUnfolderBase]: For 3713/3763 co-relation queries the response was YES. [2023-11-06 22:03:08,252 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13629 conditions, 5639 events. 2737/5639 cut-off events. For 3713/3763 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 35687 event pairs, 1568 based on Foata normal form. 4/5586 useless extension candidates. Maximal degree in co-relation 13608. Up to 3158 conditions per place. [2023-11-06 22:03:08,267 INFO L140 encePairwiseOnDemand]: 630/636 looper letters, 80 selfloop transitions, 6 changer transitions 44/153 dead transitions. [2023-11-06 22:03:08,268 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 153 transitions, 856 flow [2023-11-06 22:03:08,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:03:08,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:03:08,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1936 transitions. [2023-11-06 22:03:08,275 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5073375262054507 [2023-11-06 22:03:08,275 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1936 transitions. [2023-11-06 22:03:08,276 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1936 transitions. [2023-11-06 22:03:08,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:03:08,277 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1936 transitions. [2023-11-06 22:03:08,282 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 322.6666666666667) internal successors, (1936), 6 states have internal predecessors, (1936), 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 22:03:08,289 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 636.0) internal successors, (4452), 7 states have internal predecessors, (4452), 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 22:03:08,291 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 636.0) internal successors, (4452), 7 states have internal predecessors, (4452), 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 22:03:08,291 INFO L175 Difference]: Start difference. First operand has 106 places, 78 transitions, 294 flow. Second operand 6 states and 1936 transitions. [2023-11-06 22:03:08,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 153 transitions, 856 flow [2023-11-06 22:03:08,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 153 transitions, 760 flow, removed 26 selfloop flow, removed 14 redundant places. [2023-11-06 22:03:08,308 INFO L231 Difference]: Finished difference. Result has 90 places, 65 transitions, 222 flow [2023-11-06 22:03:08,309 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=636, PETRI_DIFFERENCE_MINUEND_FLOW=252, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=222, PETRI_PLACES=90, PETRI_TRANSITIONS=65} [2023-11-06 22:03:08,309 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -9 predicate places. [2023-11-06 22:03:08,309 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 65 transitions, 222 flow [2023-11-06 22:03:08,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 309.5) internal successors, (1857), 6 states have internal predecessors, (1857), 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 22:03:08,310 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:03:08,311 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 22:03:08,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-06 22:03:08,311 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 58 more)] === [2023-11-06 22:03:08,311 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:08,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1699675561, now seen corresponding path program 1 times [2023-11-06 22:03:08,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:08,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716819089] [2023-11-06 22:03:08,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:08,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:08,710 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-06 22:03:08,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:08,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716819089] [2023-11-06 22:03:08,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716819089] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:08,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:08,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:03:08,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079977686] [2023-11-06 22:03:08,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:08,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:03:08,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:08,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:03:08,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:03:09,149 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 636 [2023-11-06 22:03:09,151 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 65 transitions, 222 flow. Second operand has 6 states, 6 states have (on average 309.1666666666667) internal successors, (1855), 6 states have internal predecessors, (1855), 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 22:03:09,151 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:03:09,151 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 636 [2023-11-06 22:03:09,151 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:03:09,926 INFO L124 PetriNetUnfolderBase]: 2080/4329 cut-off events. [2023-11-06 22:03:09,926 INFO L125 PetriNetUnfolderBase]: For 1098/1116 co-relation queries the response was YES. [2023-11-06 22:03:09,939 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9511 conditions, 4329 events. 2080/4329 cut-off events. For 1098/1116 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 25682 event pairs, 1262 based on Foata normal form. 106/4406 useless extension candidates. Maximal degree in co-relation 9498. Up to 2398 conditions per place. [2023-11-06 22:03:09,941 INFO L140 encePairwiseOnDemand]: 630/636 looper letters, 0 selfloop transitions, 0 changer transitions 136/136 dead transitions. [2023-11-06 22:03:09,941 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 136 transitions, 696 flow [2023-11-06 22:03:09,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:03:09,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:03:09,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1931 transitions. [2023-11-06 22:03:09,949 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5060272536687631 [2023-11-06 22:03:09,949 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1931 transitions. [2023-11-06 22:03:09,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1931 transitions. [2023-11-06 22:03:09,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:03:09,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1931 transitions. [2023-11-06 22:03:09,956 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 321.8333333333333) internal successors, (1931), 6 states have internal predecessors, (1931), 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 22:03:09,963 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 636.0) internal successors, (4452), 7 states have internal predecessors, (4452), 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 22:03:09,964 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 636.0) internal successors, (4452), 7 states have internal predecessors, (4452), 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 22:03:09,965 INFO L175 Difference]: Start difference. First operand has 90 places, 65 transitions, 222 flow. Second operand 6 states and 1931 transitions. [2023-11-06 22:03:09,965 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 136 transitions, 696 flow [2023-11-06 22:03:09,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 136 transitions, 662 flow, removed 2 selfloop flow, removed 7 redundant places. [2023-11-06 22:03:09,971 INFO L231 Difference]: Finished difference. Result has 77 places, 0 transitions, 0 flow [2023-11-06 22:03:09,971 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=636, PETRI_DIFFERENCE_MINUEND_FLOW=202, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=77, PETRI_TRANSITIONS=0} [2023-11-06 22:03:09,972 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -22 predicate places. [2023-11-06 22:03:09,972 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 0 transitions, 0 flow [2023-11-06 22:03:09,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 309.1666666666667) internal successors, (1855), 6 states have internal predecessors, (1855), 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 22:03:09,975 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (61 of 62 remaining) [2023-11-06 22:03:09,976 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (60 of 62 remaining) [2023-11-06 22:03:09,976 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (59 of 62 remaining) [2023-11-06 22:03:09,976 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (58 of 62 remaining) [2023-11-06 22:03:09,976 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (57 of 62 remaining) [2023-11-06 22:03:09,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (56 of 62 remaining) [2023-11-06 22:03:09,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (55 of 62 remaining) [2023-11-06 22:03:09,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (54 of 62 remaining) [2023-11-06 22:03:09,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (53 of 62 remaining) [2023-11-06 22:03:09,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (52 of 62 remaining) [2023-11-06 22:03:09,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (51 of 62 remaining) [2023-11-06 22:03:09,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (50 of 62 remaining) [2023-11-06 22:03:09,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (49 of 62 remaining) [2023-11-06 22:03:09,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (48 of 62 remaining) [2023-11-06 22:03:09,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (47 of 62 remaining) [2023-11-06 22:03:09,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (46 of 62 remaining) [2023-11-06 22:03:09,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (45 of 62 remaining) [2023-11-06 22:03:09,979 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (44 of 62 remaining) [2023-11-06 22:03:09,979 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (43 of 62 remaining) [2023-11-06 22:03:09,979 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (42 of 62 remaining) [2023-11-06 22:03:09,979 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (41 of 62 remaining) [2023-11-06 22:03:09,979 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (40 of 62 remaining) [2023-11-06 22:03:09,979 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (39 of 62 remaining) [2023-11-06 22:03:09,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (38 of 62 remaining) [2023-11-06 22:03:09,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (37 of 62 remaining) [2023-11-06 22:03:09,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (36 of 62 remaining) [2023-11-06 22:03:09,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (35 of 62 remaining) [2023-11-06 22:03:09,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (34 of 62 remaining) [2023-11-06 22:03:09,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (33 of 62 remaining) [2023-11-06 22:03:09,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (32 of 62 remaining) [2023-11-06 22:03:09,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (31 of 62 remaining) [2023-11-06 22:03:09,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (30 of 62 remaining) [2023-11-06 22:03:09,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (29 of 62 remaining) [2023-11-06 22:03:09,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (28 of 62 remaining) [2023-11-06 22:03:09,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (27 of 62 remaining) [2023-11-06 22:03:09,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (26 of 62 remaining) [2023-11-06 22:03:09,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 62 remaining) [2023-11-06 22:03:09,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 62 remaining) [2023-11-06 22:03:09,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (23 of 62 remaining) [2023-11-06 22:03:09,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (22 of 62 remaining) [2023-11-06 22:03:09,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (21 of 62 remaining) [2023-11-06 22:03:09,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (20 of 62 remaining) [2023-11-06 22:03:09,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (19 of 62 remaining) [2023-11-06 22:03:09,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (18 of 62 remaining) [2023-11-06 22:03:09,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (17 of 62 remaining) [2023-11-06 22:03:09,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (16 of 62 remaining) [2023-11-06 22:03:09,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (15 of 62 remaining) [2023-11-06 22:03:09,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (14 of 62 remaining) [2023-11-06 22:03:09,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (13 of 62 remaining) [2023-11-06 22:03:09,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (12 of 62 remaining) [2023-11-06 22:03:09,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (11 of 62 remaining) [2023-11-06 22:03:09,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (10 of 62 remaining) [2023-11-06 22:03:09,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (9 of 62 remaining) [2023-11-06 22:03:09,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (8 of 62 remaining) [2023-11-06 22:03:09,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (7 of 62 remaining) [2023-11-06 22:03:09,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (6 of 62 remaining) [2023-11-06 22:03:09,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (5 of 62 remaining) [2023-11-06 22:03:09,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (4 of 62 remaining) [2023-11-06 22:03:09,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (3 of 62 remaining) [2023-11-06 22:03:09,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (2 of 62 remaining) [2023-11-06 22:03:09,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (1 of 62 remaining) [2023-11-06 22:03:09,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (0 of 62 remaining) [2023-11-06 22:03:09,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-06 22:03:09,987 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:10,000 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 22:03:10,000 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:03:10,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:03:10 BasicIcfg [2023-11-06 22:03:10,005 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:03:10,006 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:03:10,006 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:03:10,006 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:03:10,007 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:02:39" (3/4) ... [2023-11-06 22:03:10,009 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:03:10,014 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-06 22:03:10,015 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-06 22:03:10,023 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-06 22:03:10,024 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 22:03:10,024 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:03:10,025 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:03:10,109 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85b135a-f9c0-425e-a4e8-323ad67b2996/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:03:10,109 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85b135a-f9c0-425e-a4e8-323ad67b2996/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:03:10,109 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:03:10,110 INFO L158 Benchmark]: Toolchain (without parser) took 31705.75ms. Allocated memory was 142.6MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 97.4MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 433.4MB. Max. memory is 16.1GB. [2023-11-06 22:03:10,110 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory is still 62.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:03:10,111 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.78ms. Allocated memory is still 142.6MB. Free memory was 97.2MB in the beginning and 85.0MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:03:10,111 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.44ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 82.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:03:10,112 INFO L158 Benchmark]: Boogie Preprocessor took 69.11ms. Allocated memory is still 142.6MB. Free memory was 82.7MB in the beginning and 80.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:03:10,112 INFO L158 Benchmark]: RCFGBuilder took 832.77ms. Allocated memory is still 142.6MB. Free memory was 80.1MB in the beginning and 90.7MB in the end (delta: -10.6MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2023-11-06 22:03:10,112 INFO L158 Benchmark]: TraceAbstraction took 30339.35ms. Allocated memory was 142.6MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 90.0MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 555.6MB. Max. memory is 16.1GB. [2023-11-06 22:03:10,113 INFO L158 Benchmark]: Witness Printer took 103.73ms. Allocated memory is still 2.3GB. Free memory was 1.8GB in the beginning and 1.8GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:03:10,115 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory is still 62.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.78ms. Allocated memory is still 142.6MB. Free memory was 97.2MB in the beginning and 85.0MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.44ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 82.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.11ms. Allocated memory is still 142.6MB. Free memory was 82.7MB in the beginning and 80.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 832.77ms. Allocated memory is still 142.6MB. Free memory was 80.1MB in the beginning and 90.7MB in the end (delta: -10.6MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * TraceAbstraction took 30339.35ms. Allocated memory was 142.6MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 90.0MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 555.6MB. Max. memory is 16.1GB. * Witness Printer took 103.73ms. Allocated memory is still 2.3GB. Free memory was 1.8GB in the beginning and 1.8GB in the end (delta: 4.2MB). 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: 9.5s, 306 PlacesBefore, 99 PlacesAfterwards, 315 TransitionsBefore, 102 TransitionsAfterwards, 13068 CoEnabledTransitionPairs, 7 FixpointIterations, 164 TrivialSequentialCompositions, 99 ConcurrentSequentialCompositions, 19 TrivialYvCompositions, 10 ConcurrentYvCompositions, 6 ChoiceCompositions, 298 TotalNumberOfCompositions, 59612 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 16818, independent: 15845, independent conditional: 0, independent unconditional: 15845, dependent: 973, dependent conditional: 0, dependent unconditional: 973, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 6976, independent: 6820, independent conditional: 0, independent unconditional: 6820, dependent: 156, dependent conditional: 0, dependent unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 16818, independent: 9025, independent conditional: 0, independent unconditional: 9025, dependent: 817, dependent conditional: 0, dependent unconditional: 817, unknown: 6976, unknown conditional: 0, unknown unconditional: 6976] , Statistics on independence cache: Total cache size (in pairs): 1072, Positive cache size: 961, Positive conditional cache size: 0, Positive unconditional cache size: 961, Negative cache size: 111, Negative conditional cache size: 0, Negative unconditional cache size: 111, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: 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: 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: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: 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 5 procedures, 450 locations, 62 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: 30.1s, OverallIterations: 17, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 16.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2850 SdHoareTripleChecker+Valid, 6.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1857 mSDsluCounter, 511 SdHoareTripleChecker+Invalid, 5.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 314 mSDsCounter, 648 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5347 IncrementalHoareTripleChecker+Invalid, 5995 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 648 mSolverCounterUnsat, 197 mSDtfsCounter, 5347 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=425occurred in iteration=13, InterpolantAutomatonStates: 81, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 243 NumberOfCodeBlocks, 243 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 226 ConstructedInterpolants, 0 QuantifiedInterpolants, 1003 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 10/10 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 36 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-06 22:03:10,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85b135a-f9c0-425e-a4e8-323ad67b2996/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE