./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/unroll-cond-5.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098566a3-d8ab-4bfd-af8f-e9c89200cda7/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098566a3-d8ab-4bfd-af8f-e9c89200cda7/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098566a3-d8ab-4bfd-af8f-e9c89200cda7/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098566a3-d8ab-4bfd-af8f-e9c89200cda7/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/unroll-cond-5.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098566a3-d8ab-4bfd-af8f-e9c89200cda7/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098566a3-d8ab-4bfd-af8f-e9c89200cda7/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 052a68c73a5d1c6e7122fc0c660c02483f37277d0239d876d93b351fcdd64a16 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:21:01,597 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:21:01,666 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098566a3-d8ab-4bfd-af8f-e9c89200cda7/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 06:21:01,670 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:21:01,671 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:21:01,694 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:21:01,695 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:21:01,696 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:21:01,696 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:21:01,697 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:21:01,698 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:21:01,698 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:21:01,699 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:21:01,699 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:21:01,700 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:21:01,700 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:21:01,701 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:21:01,701 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:21:01,702 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:21:01,702 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:21:01,703 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:21:01,704 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:21:01,704 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 06:21:01,704 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 06:21:01,705 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:21:01,705 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:21:01,706 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:21:01,706 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:21:01,707 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:21:01,707 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:21:01,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:21:01,708 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:21:01,708 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:21:01,709 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:21:01,709 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:21:01,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:21:01,709 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:21:01,709 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:21:01,710 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:21:01,710 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:21:01,710 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:21:01,710 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_098566a3-d8ab-4bfd-af8f-e9c89200cda7/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098566a3-d8ab-4bfd-af8f-e9c89200cda7/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 052a68c73a5d1c6e7122fc0c660c02483f37277d0239d876d93b351fcdd64a16 [2023-11-29 06:21:01,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:21:01,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:21:01,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:21:01,974 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:21:01,975 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:21:01,976 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098566a3-d8ab-4bfd-af8f-e9c89200cda7/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/unroll-cond-5.wvr.c [2023-11-29 06:21:04,869 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:21:05,040 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:21:05,041 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098566a3-d8ab-4bfd-af8f-e9c89200cda7/sv-benchmarks/c/weaver/unroll-cond-5.wvr.c [2023-11-29 06:21:05,049 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098566a3-d8ab-4bfd-af8f-e9c89200cda7/bin/uautomizer-verify-BQ2R08f2Ya/data/26bc5f055/e6c9f8bf355e46c39ec6934a0a5d01dd/FLAG0490414a0 [2023-11-29 06:21:05,065 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098566a3-d8ab-4bfd-af8f-e9c89200cda7/bin/uautomizer-verify-BQ2R08f2Ya/data/26bc5f055/e6c9f8bf355e46c39ec6934a0a5d01dd [2023-11-29 06:21:05,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:21:05,069 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:21:05,070 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:21:05,070 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:21:05,076 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:21:05,077 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:21:05" (1/1) ... [2023-11-29 06:21:05,078 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28fe5c46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:21:05, skipping insertion in model container [2023-11-29 06:21:05,078 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:21:05" (1/1) ... [2023-11-29 06:21:05,106 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:21:05,331 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:21:05,343 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:21:05,385 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:21:05,403 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:21:05,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:21:05 WrapperNode [2023-11-29 06:21:05,404 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:21:05,405 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:21:05,405 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:21:05,405 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:21:05,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:21:05" (1/1) ... [2023-11-29 06:21:05,428 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:21:05" (1/1) ... [2023-11-29 06:21:05,473 INFO L138 Inliner]: procedures = 24, calls = 46, calls flagged for inlining = 18, calls inlined = 18, statements flattened = 490 [2023-11-29 06:21:05,473 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:21:05,474 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:21:05,474 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:21:05,474 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:21:05,484 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:21:05" (1/1) ... [2023-11-29 06:21:05,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:21:05" (1/1) ... [2023-11-29 06:21:05,493 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:21:05" (1/1) ... [2023-11-29 06:21:05,493 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:21:05" (1/1) ... [2023-11-29 06:21:05,521 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:21:05" (1/1) ... [2023-11-29 06:21:05,528 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:21:05" (1/1) ... [2023-11-29 06:21:05,531 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:21:05" (1/1) ... [2023-11-29 06:21:05,535 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:21:05" (1/1) ... [2023-11-29 06:21:05,540 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:21:05,542 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:21:05,542 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:21:05,542 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:21:05,543 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:21:05" (1/1) ... [2023-11-29 06:21:05,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:21:05,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098566a3-d8ab-4bfd-af8f-e9c89200cda7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:21:05,579 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098566a3-d8ab-4bfd-af8f-e9c89200cda7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:21:05,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098566a3-d8ab-4bfd-af8f-e9c89200cda7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:21:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:21:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 06:21:05,628 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 06:21:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 06:21:05,629 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 06:21:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 06:21:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 06:21:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 06:21:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 06:21:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:21:05,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:21:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 06:21:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 06:21:05,632 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 06:21:05,764 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:21:05,767 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:21:06,497 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:21:06,517 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:21:06,517 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-29 06:21:06,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:21:06 BoogieIcfgContainer [2023-11-29 06:21:06,519 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:21:06,522 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:21:06,522 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:21:06,525 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:21:06,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:21:05" (1/3) ... [2023-11-29 06:21:06,527 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65b9b4a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:21:06, skipping insertion in model container [2023-11-29 06:21:06,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:21:05" (2/3) ... [2023-11-29 06:21:06,527 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65b9b4a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:21:06, skipping insertion in model container [2023-11-29 06:21:06,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:21:06" (3/3) ... [2023-11-29 06:21:06,529 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-5.wvr.c [2023-11-29 06:21:06,538 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 06:21:06,549 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:21:06,549 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 86 error locations. [2023-11-29 06:21:06,550 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 06:21:06,755 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-29 06:21:06,800 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 621 places, 648 transitions, 1310 flow [2023-11-29 06:21:06,988 INFO L124 PetriNetUnfolderBase]: 34/646 cut-off events. [2023-11-29 06:21:06,988 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-29 06:21:07,003 INFO L83 FinitePrefix]: Finished finitePrefix Result has 655 conditions, 646 events. 34/646 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1911 event pairs, 0 based on Foata normal form. 0/526 useless extension candidates. Maximal degree in co-relation 509. Up to 2 conditions per place. [2023-11-29 06:21:07,004 INFO L82 GeneralOperation]: Start removeDead. Operand has 621 places, 648 transitions, 1310 flow [2023-11-29 06:21:07,017 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 599 places, 625 transitions, 1262 flow [2023-11-29 06:21:07,026 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:21:07,033 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@206f6ba6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:21:07,033 INFO L358 AbstractCegarLoop]: Starting to check reachability of 164 error locations. [2023-11-29 06:21:07,036 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 06:21:07,036 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2023-11-29 06:21:07,036 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 06:21:07,037 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:21:07,037 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] [2023-11-29 06:21:07,037 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-29 06:21:07,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:21:07,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1463189518, now seen corresponding path program 1 times [2023-11-29 06:21:07,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:21:07,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964676868] [2023-11-29 06:21:07,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:21:07,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:21:07,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:21:07,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:21:07,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:21:07,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964676868] [2023-11-29 06:21:07,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964676868] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:21:07,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:21:07,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:21:07,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182285550] [2023-11-29 06:21:07,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:21:07,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:21:07,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:21:07,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:21:07,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:21:07,299 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 613 out of 648 [2023-11-29 06:21:07,309 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 599 places, 625 transitions, 1262 flow. Second operand has 3 states, 3 states have (on average 614.3333333333334) internal successors, (1843), 3 states have internal predecessors, (1843), 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) [2023-11-29 06:21:07,309 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:21:07,309 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 613 of 648 [2023-11-29 06:21:07,310 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:21:07,570 INFO L124 PetriNetUnfolderBase]: 40/976 cut-off events. [2023-11-29 06:21:07,570 INFO L125 PetriNetUnfolderBase]: For 28/32 co-relation queries the response was YES. [2023-11-29 06:21:07,577 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1036 conditions, 976 events. 40/976 cut-off events. For 28/32 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 5080 event pairs, 11 based on Foata normal form. 25/815 useless extension candidates. Maximal degree in co-relation 851. Up to 42 conditions per place. [2023-11-29 06:21:07,587 INFO L140 encePairwiseOnDemand]: 629/648 looper letters, 13 selfloop transitions, 2 changer transitions 3/608 dead transitions. [2023-11-29 06:21:07,587 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 600 places, 608 transitions, 1258 flow [2023-11-29 06:21:07,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:21:07,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:21:07,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1871 transitions. [2023-11-29 06:21:07,611 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9624485596707819 [2023-11-29 06:21:07,612 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1871 transitions. [2023-11-29 06:21:07,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1871 transitions. [2023-11-29 06:21:07,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:21:07,620 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1871 transitions. [2023-11-29 06:21:07,630 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 623.6666666666666) internal successors, (1871), 3 states have internal predecessors, (1871), 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) [2023-11-29 06:21:07,642 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 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) [2023-11-29 06:21:07,644 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 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) [2023-11-29 06:21:07,647 INFO L175 Difference]: Start difference. First operand has 599 places, 625 transitions, 1262 flow. Second operand 3 states and 1871 transitions. [2023-11-29 06:21:07,648 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 600 places, 608 transitions, 1258 flow [2023-11-29 06:21:07,658 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 596 places, 608 transitions, 1250 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 06:21:07,672 INFO L231 Difference]: Finished difference. Result has 596 places, 605 transitions, 1218 flow [2023-11-29 06:21:07,675 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1220, PETRI_DIFFERENCE_MINUEND_PLACES=594, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=608, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=606, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1218, PETRI_PLACES=596, PETRI_TRANSITIONS=605} [2023-11-29 06:21:07,678 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -3 predicate places. [2023-11-29 06:21:07,679 INFO L495 AbstractCegarLoop]: Abstraction has has 596 places, 605 transitions, 1218 flow [2023-11-29 06:21:07,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 614.3333333333334) internal successors, (1843), 3 states have internal predecessors, (1843), 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) [2023-11-29 06:21:07,681 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:21:07,681 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:21:07,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 06:21:07,681 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-29 06:21:07,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:21:07,682 INFO L85 PathProgramCache]: Analyzing trace with hash -742630815, now seen corresponding path program 1 times [2023-11-29 06:21:07,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:21:07,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894134913] [2023-11-29 06:21:07,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:21:07,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:21:07,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:21:07,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:21:07,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:21:07,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894134913] [2023-11-29 06:21:07,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894134913] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:21:07,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:21:07,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:21:07,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807526959] [2023-11-29 06:21:07,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:21:07,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:21:07,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:21:07,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:21:07,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:21:07,807 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 607 out of 648 [2023-11-29 06:21:07,810 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 596 places, 605 transitions, 1218 flow. Second operand has 3 states, 3 states have (on average 608.3333333333334) internal successors, (1825), 3 states have internal predecessors, (1825), 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) [2023-11-29 06:21:07,810 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:21:07,811 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 607 of 648 [2023-11-29 06:21:07,811 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:21:08,056 INFO L124 PetriNetUnfolderBase]: 50/1139 cut-off events. [2023-11-29 06:21:08,056 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2023-11-29 06:21:08,062 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1206 conditions, 1139 events. 50/1139 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 5768 event pairs, 19 based on Foata normal form. 0/920 useless extension candidates. Maximal degree in co-relation 1178. Up to 58 conditions per place. [2023-11-29 06:21:08,071 INFO L140 encePairwiseOnDemand]: 645/648 looper letters, 19 selfloop transitions, 2 changer transitions 0/604 dead transitions. [2023-11-29 06:21:08,071 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 594 places, 604 transitions, 1258 flow [2023-11-29 06:21:08,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:21:08,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:21:08,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1843 transitions. [2023-11-29 06:21:08,077 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.948045267489712 [2023-11-29 06:21:08,078 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1843 transitions. [2023-11-29 06:21:08,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1843 transitions. [2023-11-29 06:21:08,079 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:21:08,080 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1843 transitions. [2023-11-29 06:21:08,086 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 614.3333333333334) internal successors, (1843), 3 states have internal predecessors, (1843), 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) [2023-11-29 06:21:08,092 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 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) [2023-11-29 06:21:08,095 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 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) [2023-11-29 06:21:08,096 INFO L175 Difference]: Start difference. First operand has 596 places, 605 transitions, 1218 flow. Second operand 3 states and 1843 transitions. [2023-11-29 06:21:08,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 594 places, 604 transitions, 1258 flow [2023-11-29 06:21:08,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 592 places, 604 transitions, 1254 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:21:08,110 INFO L231 Difference]: Finished difference. Result has 592 places, 604 transitions, 1216 flow [2023-11-29 06:21:08,112 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1212, PETRI_DIFFERENCE_MINUEND_PLACES=590, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=604, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=602, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1216, PETRI_PLACES=592, PETRI_TRANSITIONS=604} [2023-11-29 06:21:08,113 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -7 predicate places. [2023-11-29 06:21:08,113 INFO L495 AbstractCegarLoop]: Abstraction has has 592 places, 604 transitions, 1216 flow [2023-11-29 06:21:08,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 608.3333333333334) internal successors, (1825), 3 states have internal predecessors, (1825), 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) [2023-11-29 06:21:08,115 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:21:08,115 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:21:08,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 06:21:08,115 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-29 06:21:08,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:21:08,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1851567496, now seen corresponding path program 1 times [2023-11-29 06:21:08,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:21:08,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984640165] [2023-11-29 06:21:08,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:21:08,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:21:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:21:08,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:21:08,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:21:08,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984640165] [2023-11-29 06:21:08,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984640165] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:21:08,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:21:08,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:21:08,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568110359] [2023-11-29 06:21:08,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:21:08,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:21:08,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:21:08,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:21:08,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:21:08,215 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 589 out of 648 [2023-11-29 06:21:08,218 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 592 places, 604 transitions, 1216 flow. Second operand has 3 states, 3 states have (on average 590.0) internal successors, (1770), 3 states have internal predecessors, (1770), 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) [2023-11-29 06:21:08,219 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:21:08,219 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 589 of 648 [2023-11-29 06:21:08,219 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:21:08,834 INFO L124 PetriNetUnfolderBase]: 180/2512 cut-off events. [2023-11-29 06:21:08,835 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2023-11-29 06:21:08,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2719 conditions, 2512 events. 180/2512 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 16880 event pairs, 56 based on Foata normal form. 0/2023 useless extension candidates. Maximal degree in co-relation 2683. Up to 197 conditions per place. [2023-11-29 06:21:08,875 INFO L140 encePairwiseOnDemand]: 635/648 looper letters, 28 selfloop transitions, 1 changer transitions 0/592 dead transitions. [2023-11-29 06:21:08,875 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 582 places, 592 transitions, 1250 flow [2023-11-29 06:21:08,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:21:08,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:21:08,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1808 transitions. [2023-11-29 06:21:08,882 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9300411522633745 [2023-11-29 06:21:08,883 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1808 transitions. [2023-11-29 06:21:08,883 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1808 transitions. [2023-11-29 06:21:08,884 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:21:08,885 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1808 transitions. [2023-11-29 06:21:08,891 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 602.6666666666666) internal successors, (1808), 3 states have internal predecessors, (1808), 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) [2023-11-29 06:21:08,897 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 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) [2023-11-29 06:21:08,899 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 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) [2023-11-29 06:21:08,899 INFO L175 Difference]: Start difference. First operand has 592 places, 604 transitions, 1216 flow. Second operand 3 states and 1808 transitions. [2023-11-29 06:21:08,900 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 582 places, 592 transitions, 1250 flow [2023-11-29 06:21:08,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 580 places, 592 transitions, 1246 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:21:08,914 INFO L231 Difference]: Finished difference. Result has 580 places, 592 transitions, 1190 flow [2023-11-29 06:21:08,915 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1188, PETRI_DIFFERENCE_MINUEND_PLACES=578, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=592, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=591, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1190, PETRI_PLACES=580, PETRI_TRANSITIONS=592} [2023-11-29 06:21:08,916 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -19 predicate places. [2023-11-29 06:21:08,916 INFO L495 AbstractCegarLoop]: Abstraction has has 580 places, 592 transitions, 1190 flow [2023-11-29 06:21:08,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 590.0) internal successors, (1770), 3 states have internal predecessors, (1770), 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) [2023-11-29 06:21:08,918 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:21:08,918 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:21:08,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 06:21:08,919 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-29 06:21:08,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:21:08,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1964958513, now seen corresponding path program 1 times [2023-11-29 06:21:08,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:21:08,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117913264] [2023-11-29 06:21:08,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:21:08,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:21:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:21:09,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:21:09,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:21:09,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117913264] [2023-11-29 06:21:09,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117913264] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:21:09,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:21:09,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:21:09,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105538913] [2023-11-29 06:21:09,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:21:09,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:21:09,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:21:09,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:21:09,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:21:09,059 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 609 out of 648 [2023-11-29 06:21:09,066 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 580 places, 592 transitions, 1190 flow. Second operand has 3 states, 3 states have (on average 610.3333333333334) internal successors, (1831), 3 states have internal predecessors, (1831), 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) [2023-11-29 06:21:09,067 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:21:09,067 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 609 of 648 [2023-11-29 06:21:09,067 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:21:09,268 INFO L124 PetriNetUnfolderBase]: 50/1117 cut-off events. [2023-11-29 06:21:09,268 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2023-11-29 06:21:09,274 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1181 conditions, 1117 events. 50/1117 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 5550 event pairs, 19 based on Foata normal form. 0/918 useless extension candidates. Maximal degree in co-relation 1145. Up to 56 conditions per place. [2023-11-29 06:21:09,281 INFO L140 encePairwiseOnDemand]: 645/648 looper letters, 17 selfloop transitions, 2 changer transitions 0/591 dead transitions. [2023-11-29 06:21:09,282 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 581 places, 591 transitions, 1226 flow [2023-11-29 06:21:09,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:21:09,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:21:09,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1847 transitions. [2023-11-29 06:21:09,288 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9501028806584362 [2023-11-29 06:21:09,288 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1847 transitions. [2023-11-29 06:21:09,288 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1847 transitions. [2023-11-29 06:21:09,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:21:09,289 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1847 transitions. [2023-11-29 06:21:09,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 615.6666666666666) internal successors, (1847), 3 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) [2023-11-29 06:21:09,301 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 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) [2023-11-29 06:21:09,303 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 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) [2023-11-29 06:21:09,303 INFO L175 Difference]: Start difference. First operand has 580 places, 592 transitions, 1190 flow. Second operand 3 states and 1847 transitions. [2023-11-29 06:21:09,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 581 places, 591 transitions, 1226 flow [2023-11-29 06:21:09,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 580 places, 591 transitions, 1225 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 06:21:09,317 INFO L231 Difference]: Finished difference. Result has 580 places, 591 transitions, 1191 flow [2023-11-29 06:21:09,319 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1187, PETRI_DIFFERENCE_MINUEND_PLACES=578, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=591, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=589, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1191, PETRI_PLACES=580, PETRI_TRANSITIONS=591} [2023-11-29 06:21:09,320 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -19 predicate places. [2023-11-29 06:21:09,320 INFO L495 AbstractCegarLoop]: Abstraction has has 580 places, 591 transitions, 1191 flow [2023-11-29 06:21:09,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 610.3333333333334) internal successors, (1831), 3 states have internal predecessors, (1831), 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) [2023-11-29 06:21:09,322 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:21:09,322 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:21:09,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 06:21:09,323 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-29 06:21:09,323 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:21:09,323 INFO L85 PathProgramCache]: Analyzing trace with hash -2141696887, now seen corresponding path program 1 times [2023-11-29 06:21:09,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:21:09,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020131321] [2023-11-29 06:21:09,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:21:09,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:21:09,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:21:09,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:21:09,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:21:09,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020131321] [2023-11-29 06:21:09,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020131321] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:21:09,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:21:09,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:21:09,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925370455] [2023-11-29 06:21:09,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:21:09,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:21:09,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:21:09,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:21:09,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:21:10,299 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 564 out of 648 [2023-11-29 06:21:10,303 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 580 places, 591 transitions, 1191 flow. Second operand has 6 states, 6 states have (on average 565.5) internal successors, (3393), 6 states have internal predecessors, (3393), 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) [2023-11-29 06:21:10,304 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:21:10,304 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 564 of 648 [2023-11-29 06:21:10,304 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:21:12,885 INFO L124 PetriNetUnfolderBase]: 2428/16046 cut-off events. [2023-11-29 06:21:12,885 INFO L125 PetriNetUnfolderBase]: For 76/76 co-relation queries the response was YES. [2023-11-29 06:21:12,948 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19190 conditions, 16046 events. 2428/16046 cut-off events. For 76/76 co-relation queries the response was YES. Maximal size of possible extension queue 248. Compared 177983 event pairs, 1640 based on Foata normal form. 0/13015 useless extension candidates. Maximal degree in co-relation 19155. Up to 3128 conditions per place. [2023-11-29 06:21:13,043 INFO L140 encePairwiseOnDemand]: 642/648 looper letters, 60 selfloop transitions, 5 changer transitions 0/590 dead transitions. [2023-11-29 06:21:13,044 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 584 places, 590 transitions, 1319 flow [2023-11-29 06:21:13,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:21:13,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 06:21:13,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3450 transitions. [2023-11-29 06:21:13,057 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8873456790123457 [2023-11-29 06:21:13,057 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3450 transitions. [2023-11-29 06:21:13,057 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3450 transitions. [2023-11-29 06:21:13,061 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:21:13,061 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3450 transitions. [2023-11-29 06:21:13,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 575.0) internal successors, (3450), 6 states have internal predecessors, (3450), 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) [2023-11-29 06:21:13,087 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 648.0) internal successors, (4536), 7 states have internal predecessors, (4536), 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) [2023-11-29 06:21:13,091 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 648.0) internal successors, (4536), 7 states have internal predecessors, (4536), 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) [2023-11-29 06:21:13,091 INFO L175 Difference]: Start difference. First operand has 580 places, 591 transitions, 1191 flow. Second operand 6 states and 3450 transitions. [2023-11-29 06:21:13,092 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 584 places, 590 transitions, 1319 flow [2023-11-29 06:21:13,097 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 582 places, 590 transitions, 1315 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:21:13,108 INFO L231 Difference]: Finished difference. Result has 582 places, 590 transitions, 1195 flow [2023-11-29 06:21:13,109 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1185, PETRI_DIFFERENCE_MINUEND_PLACES=577, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=590, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=585, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1195, PETRI_PLACES=582, PETRI_TRANSITIONS=590} [2023-11-29 06:21:13,110 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -17 predicate places. [2023-11-29 06:21:13,110 INFO L495 AbstractCegarLoop]: Abstraction has has 582 places, 590 transitions, 1195 flow [2023-11-29 06:21:13,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 565.5) internal successors, (3393), 6 states have internal predecessors, (3393), 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) [2023-11-29 06:21:13,113 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:21:13,114 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:21:13,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 06:21:13,114 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-29 06:21:13,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:21:13,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1857829656, now seen corresponding path program 1 times [2023-11-29 06:21:13,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:21:13,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285851201] [2023-11-29 06:21:13,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:21:13,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:21:13,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:21:13,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:21:13,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:21:13,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285851201] [2023-11-29 06:21:13,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285851201] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:21:13,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:21:13,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:21:13,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135703730] [2023-11-29 06:21:13,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:21:13,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:21:13,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:21:13,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:21:13,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:21:13,209 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 607 out of 648 [2023-11-29 06:21:13,212 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 582 places, 590 transitions, 1195 flow. Second operand has 3 states, 3 states have (on average 608.3333333333334) internal successors, (1825), 3 states have internal predecessors, (1825), 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) [2023-11-29 06:21:13,212 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:21:13,212 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 607 of 648 [2023-11-29 06:21:13,213 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:21:13,517 INFO L124 PetriNetUnfolderBase]: 104/1973 cut-off events. [2023-11-29 06:21:13,517 INFO L125 PetriNetUnfolderBase]: For 12/27 co-relation queries the response was YES. [2023-11-29 06:21:13,521 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2082 conditions, 1973 events. 104/1973 cut-off events. For 12/27 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 12532 event pairs, 21 based on Foata normal form. 0/1617 useless extension candidates. Maximal degree in co-relation 2064. Up to 93 conditions per place. [2023-11-29 06:21:13,528 INFO L140 encePairwiseOnDemand]: 640/648 looper letters, 18 selfloop transitions, 2 changer transitions 0/587 dead transitions. [2023-11-29 06:21:13,529 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 578 places, 587 transitions, 1230 flow [2023-11-29 06:21:13,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:21:13,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:21:13,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1847 transitions. [2023-11-29 06:21:13,535 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9501028806584362 [2023-11-29 06:21:13,535 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1847 transitions. [2023-11-29 06:21:13,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1847 transitions. [2023-11-29 06:21:13,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:21:13,537 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1847 transitions. [2023-11-29 06:21:13,543 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 615.6666666666666) internal successors, (1847), 3 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) [2023-11-29 06:21:13,548 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 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) [2023-11-29 06:21:13,549 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 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) [2023-11-29 06:21:13,549 INFO L175 Difference]: Start difference. First operand has 582 places, 590 transitions, 1195 flow. Second operand 3 states and 1847 transitions. [2023-11-29 06:21:13,549 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 578 places, 587 transitions, 1230 flow [2023-11-29 06:21:13,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 573 places, 587 transitions, 1220 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 06:21:13,562 INFO L231 Difference]: Finished difference. Result has 574 places, 586 transitions, 1187 flow [2023-11-29 06:21:13,563 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1173, PETRI_DIFFERENCE_MINUEND_PLACES=571, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=584, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=582, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1187, PETRI_PLACES=574, PETRI_TRANSITIONS=586} [2023-11-29 06:21:13,564 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -25 predicate places. [2023-11-29 06:21:13,564 INFO L495 AbstractCegarLoop]: Abstraction has has 574 places, 586 transitions, 1187 flow [2023-11-29 06:21:13,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 608.3333333333334) internal successors, (1825), 3 states have internal predecessors, (1825), 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) [2023-11-29 06:21:13,566 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:21:13,566 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:21:13,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 06:21:13,566 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-29 06:21:13,567 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:21:13,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1656168395, now seen corresponding path program 1 times [2023-11-29 06:21:13,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:21:13,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103121713] [2023-11-29 06:21:13,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:21:13,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:21:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:21:13,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:21:13,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:21:13,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103121713] [2023-11-29 06:21:13,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103121713] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:21:13,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:21:13,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:21:13,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110921491] [2023-11-29 06:21:13,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:21:13,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:21:13,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:21:13,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:21:13,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:21:13,640 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 613 out of 648 [2023-11-29 06:21:13,642 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 574 places, 586 transitions, 1187 flow. Second operand has 3 states, 3 states have (on average 614.0) internal successors, (1842), 3 states have internal predecessors, (1842), 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) [2023-11-29 06:21:13,642 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:21:13,643 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 613 of 648 [2023-11-29 06:21:13,643 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:21:13,820 INFO L124 PetriNetUnfolderBase]: 44/1050 cut-off events. [2023-11-29 06:21:13,820 INFO L125 PetriNetUnfolderBase]: For 3/5 co-relation queries the response was YES. [2023-11-29 06:21:13,826 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1104 conditions, 1050 events. 44/1050 cut-off events. For 3/5 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4807 event pairs, 1 based on Foata normal form. 1/881 useless extension candidates. Maximal degree in co-relation 1069. Up to 21 conditions per place. [2023-11-29 06:21:13,831 INFO L140 encePairwiseOnDemand]: 641/648 looper letters, 11 selfloop transitions, 3 changer transitions 0/583 dead transitions. [2023-11-29 06:21:13,831 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 572 places, 583 transitions, 1210 flow [2023-11-29 06:21:13,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:21:13,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:21:13,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1857 transitions. [2023-11-29 06:21:13,837 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9552469135802469 [2023-11-29 06:21:13,838 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1857 transitions. [2023-11-29 06:21:13,838 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1857 transitions. [2023-11-29 06:21:13,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:21:13,839 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1857 transitions. [2023-11-29 06:21:13,844 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 619.0) internal successors, (1857), 3 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) [2023-11-29 06:21:13,849 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 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) [2023-11-29 06:21:13,850 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 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) [2023-11-29 06:21:13,850 INFO L175 Difference]: Start difference. First operand has 574 places, 586 transitions, 1187 flow. Second operand 3 states and 1857 transitions. [2023-11-29 06:21:13,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 572 places, 583 transitions, 1210 flow [2023-11-29 06:21:13,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 572 places, 583 transitions, 1210 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 06:21:13,864 INFO L231 Difference]: Finished difference. Result has 572 places, 582 transitions, 1185 flow [2023-11-29 06:21:13,865 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1179, PETRI_DIFFERENCE_MINUEND_PLACES=570, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=582, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=579, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1185, PETRI_PLACES=572, PETRI_TRANSITIONS=582} [2023-11-29 06:21:13,866 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -27 predicate places. [2023-11-29 06:21:13,866 INFO L495 AbstractCegarLoop]: Abstraction has has 572 places, 582 transitions, 1185 flow [2023-11-29 06:21:13,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 614.0) internal successors, (1842), 3 states have internal predecessors, (1842), 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) [2023-11-29 06:21:13,867 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:21:13,867 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:21:13,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 06:21:13,868 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-29 06:21:13,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:21:13,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1566799111, now seen corresponding path program 1 times [2023-11-29 06:21:13,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:21:13,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210325402] [2023-11-29 06:21:13,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:21:13,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:21:13,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:21:13,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:21:13,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:21:13,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210325402] [2023-11-29 06:21:13,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210325402] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:21:13,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:21:13,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:21:13,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552919374] [2023-11-29 06:21:13,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:21:13,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:21:13,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:21:13,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:21:13,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:21:14,051 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 533 out of 648 [2023-11-29 06:21:14,053 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 572 places, 582 transitions, 1185 flow. Second operand has 3 states, 3 states have (on average 534.3333333333334) internal successors, (1603), 3 states have internal predecessors, (1603), 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) [2023-11-29 06:21:14,053 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:21:14,053 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 533 of 648 [2023-11-29 06:21:14,053 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:21:14,261 INFO L124 PetriNetUnfolderBase]: 112/1393 cut-off events. [2023-11-29 06:21:14,261 INFO L125 PetriNetUnfolderBase]: For 66/70 co-relation queries the response was YES. [2023-11-29 06:21:14,267 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1677 conditions, 1393 events. 112/1393 cut-off events. For 66/70 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 8418 event pairs, 9 based on Foata normal form. 3/1234 useless extension candidates. Maximal degree in co-relation 1641. Up to 222 conditions per place. [2023-11-29 06:21:14,271 INFO L140 encePairwiseOnDemand]: 601/648 looper letters, 49 selfloop transitions, 18 changer transitions 5/555 dead transitions. [2023-11-29 06:21:14,271 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 555 transitions, 1270 flow [2023-11-29 06:21:14,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:21:14,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:21:14,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1696 transitions. [2023-11-29 06:21:14,278 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8724279835390947 [2023-11-29 06:21:14,278 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1696 transitions. [2023-11-29 06:21:14,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1696 transitions. [2023-11-29 06:21:14,280 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:21:14,280 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1696 transitions. [2023-11-29 06:21:14,285 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 565.3333333333334) internal successors, (1696), 3 states have internal predecessors, (1696), 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) [2023-11-29 06:21:14,290 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 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) [2023-11-29 06:21:14,291 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 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) [2023-11-29 06:21:14,291 INFO L175 Difference]: Start difference. First operand has 572 places, 582 transitions, 1185 flow. Second operand 3 states and 1696 transitions. [2023-11-29 06:21:14,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 555 transitions, 1270 flow [2023-11-29 06:21:14,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 544 places, 555 transitions, 1264 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:21:14,305 INFO L231 Difference]: Finished difference. Result has 544 places, 549 transitions, 1148 flow [2023-11-29 06:21:14,306 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1123, PETRI_DIFFERENCE_MINUEND_PLACES=542, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=554, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=536, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1148, PETRI_PLACES=544, PETRI_TRANSITIONS=549} [2023-11-29 06:21:14,307 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -55 predicate places. [2023-11-29 06:21:14,307 INFO L495 AbstractCegarLoop]: Abstraction has has 544 places, 549 transitions, 1148 flow [2023-11-29 06:21:14,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 534.3333333333334) internal successors, (1603), 3 states have internal predecessors, (1603), 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) [2023-11-29 06:21:14,308 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:21:14,308 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:21:14,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 06:21:14,309 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-29 06:21:14,309 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:21:14,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1510551694, now seen corresponding path program 1 times [2023-11-29 06:21:14,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:21:14,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773195651] [2023-11-29 06:21:14,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:21:14,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:21:14,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:21:14,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:21:14,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:21:14,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773195651] [2023-11-29 06:21:14,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773195651] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:21:14,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:21:14,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:21:14,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989749748] [2023-11-29 06:21:14,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:21:14,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:21:14,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:21:14,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:21:14,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:21:15,442 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 612 out of 648 [2023-11-29 06:21:15,446 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 544 places, 549 transitions, 1148 flow. Second operand has 6 states, 6 states have (on average 613.5) internal successors, (3681), 6 states have internal predecessors, (3681), 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) [2023-11-29 06:21:15,446 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:21:15,446 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 612 of 648 [2023-11-29 06:21:15,446 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:21:15,551 INFO L124 PetriNetUnfolderBase]: 33/933 cut-off events. [2023-11-29 06:21:15,551 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 06:21:15,554 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1000 conditions, 933 events. 33/933 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 3790 event pairs, 0 based on Foata normal form. 0/824 useless extension candidates. Maximal degree in co-relation 962. Up to 19 conditions per place. [2023-11-29 06:21:15,558 INFO L140 encePairwiseOnDemand]: 643/648 looper letters, 10 selfloop transitions, 4 changer transitions 0/548 dead transitions. [2023-11-29 06:21:15,558 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 543 places, 548 transitions, 1174 flow [2023-11-29 06:21:15,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:21:15,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 06:21:15,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3687 transitions. [2023-11-29 06:21:15,570 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9483024691358025 [2023-11-29 06:21:15,571 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3687 transitions. [2023-11-29 06:21:15,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3687 transitions. [2023-11-29 06:21:15,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:21:15,574 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3687 transitions. [2023-11-29 06:21:15,583 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 614.5) internal successors, (3687), 6 states have internal predecessors, (3687), 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) [2023-11-29 06:21:15,592 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 648.0) internal successors, (4536), 7 states have internal predecessors, (4536), 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) [2023-11-29 06:21:15,594 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 648.0) internal successors, (4536), 7 states have internal predecessors, (4536), 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) [2023-11-29 06:21:15,594 INFO L175 Difference]: Start difference. First operand has 544 places, 549 transitions, 1148 flow. Second operand 6 states and 3687 transitions. [2023-11-29 06:21:15,594 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 543 places, 548 transitions, 1174 flow [2023-11-29 06:21:15,599 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 541 places, 548 transitions, 1138 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:21:15,607 INFO L231 Difference]: Finished difference. Result has 541 places, 548 transitions, 1118 flow [2023-11-29 06:21:15,608 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1110, PETRI_DIFFERENCE_MINUEND_PLACES=536, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=548, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=544, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1118, PETRI_PLACES=541, PETRI_TRANSITIONS=548} [2023-11-29 06:21:15,609 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -58 predicate places. [2023-11-29 06:21:15,609 INFO L495 AbstractCegarLoop]: Abstraction has has 541 places, 548 transitions, 1118 flow [2023-11-29 06:21:15,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 613.5) internal successors, (3681), 6 states have internal predecessors, (3681), 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) [2023-11-29 06:21:15,610 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:21:15,611 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:21:15,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 06:21:15,611 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-29 06:21:15,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:21:15,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1900623003, now seen corresponding path program 1 times [2023-11-29 06:21:15,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:21:15,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549947855] [2023-11-29 06:21:15,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:21:15,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:21:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:21:15,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:21:15,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:21:15,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549947855] [2023-11-29 06:21:15,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549947855] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:21:15,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:21:15,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:21:15,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404160281] [2023-11-29 06:21:15,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:21:15,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:21:15,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:21:15,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:21:15,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:21:15,682 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 595 out of 648 [2023-11-29 06:21:15,684 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 541 places, 548 transitions, 1118 flow. Second operand has 3 states, 3 states have (on average 596.3333333333334) internal successors, (1789), 3 states have internal predecessors, (1789), 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) [2023-11-29 06:21:15,684 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:21:15,684 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 595 of 648 [2023-11-29 06:21:15,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:21:16,051 INFO L124 PetriNetUnfolderBase]: 174/2520 cut-off events. [2023-11-29 06:21:16,051 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2023-11-29 06:21:16,059 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2739 conditions, 2520 events. 174/2520 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 17204 event pairs, 19 based on Foata normal form. 0/2245 useless extension candidates. Maximal degree in co-relation 2703. Up to 180 conditions per place. [2023-11-29 06:21:16,065 INFO L140 encePairwiseOnDemand]: 632/648 looper letters, 26 selfloop transitions, 6 changer transitions 0/546 dead transitions. [2023-11-29 06:21:16,066 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 533 places, 546 transitions, 1180 flow [2023-11-29 06:21:16,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:21:16,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:21:16,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1827 transitions. [2023-11-29 06:21:16,072 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9398148148148148 [2023-11-29 06:21:16,072 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1827 transitions. [2023-11-29 06:21:16,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1827 transitions. [2023-11-29 06:21:16,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:21:16,074 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1827 transitions. [2023-11-29 06:21:16,078 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 609.0) internal successors, (1827), 3 states have internal predecessors, (1827), 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) [2023-11-29 06:21:16,082 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 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) [2023-11-29 06:21:16,082 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 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) [2023-11-29 06:21:16,082 INFO L175 Difference]: Start difference. First operand has 541 places, 548 transitions, 1118 flow. Second operand 3 states and 1827 transitions. [2023-11-29 06:21:16,082 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 533 places, 546 transitions, 1180 flow [2023-11-29 06:21:16,087 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 529 places, 546 transitions, 1173 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 06:21:16,094 INFO L231 Difference]: Finished difference. Result has 530 places, 544 transitions, 1133 flow [2023-11-29 06:21:16,095 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1091, PETRI_DIFFERENCE_MINUEND_PLACES=527, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=538, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=532, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1133, PETRI_PLACES=530, PETRI_TRANSITIONS=544} [2023-11-29 06:21:16,096 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -69 predicate places. [2023-11-29 06:21:16,096 INFO L495 AbstractCegarLoop]: Abstraction has has 530 places, 544 transitions, 1133 flow [2023-11-29 06:21:16,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 596.3333333333334) internal successors, (1789), 3 states have internal predecessors, (1789), 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) [2023-11-29 06:21:16,097 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:21:16,097 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:21:16,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 06:21:16,097 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-29 06:21:16,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:21:16,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1606483957, now seen corresponding path program 1 times [2023-11-29 06:21:16,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:21:16,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118273652] [2023-11-29 06:21:16,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:21:16,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:21:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:21:16,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:21:16,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:21:16,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118273652] [2023-11-29 06:21:16,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118273652] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:21:16,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:21:16,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:21:16,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690790118] [2023-11-29 06:21:16,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:21:16,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:21:16,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:21:16,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:21:16,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:21:16,236 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 619 out of 648 [2023-11-29 06:21:16,238 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 530 places, 544 transitions, 1133 flow. Second operand has 4 states, 4 states have (on average 620.25) internal successors, (2481), 4 states have internal predecessors, (2481), 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) [2023-11-29 06:21:16,238 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:21:16,238 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 619 of 648 [2023-11-29 06:21:16,238 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:21:16,672 INFO L124 PetriNetUnfolderBase]: 157/3126 cut-off events. [2023-11-29 06:21:16,672 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2023-11-29 06:21:16,684 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3305 conditions, 3126 events. 157/3126 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 21838 event pairs, 8 based on Foata normal form. 1/2786 useless extension candidates. Maximal degree in co-relation 3268. Up to 73 conditions per place. [2023-11-29 06:21:16,691 INFO L140 encePairwiseOnDemand]: 642/648 looper letters, 13 selfloop transitions, 6 changer transitions 0/553 dead transitions. [2023-11-29 06:21:16,691 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 534 places, 553 transitions, 1193 flow [2023-11-29 06:21:16,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:21:16,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-29 06:21:16,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3115 transitions. [2023-11-29 06:21:16,699 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9614197530864198 [2023-11-29 06:21:16,699 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 3115 transitions. [2023-11-29 06:21:16,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 3115 transitions. [2023-11-29 06:21:16,701 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:21:16,701 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 3115 transitions. [2023-11-29 06:21:16,707 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 623.0) internal successors, (3115), 5 states have internal predecessors, (3115), 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) [2023-11-29 06:21:16,711 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 648.0) internal successors, (3888), 6 states have internal predecessors, (3888), 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) [2023-11-29 06:21:16,712 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 648.0) internal successors, (3888), 6 states have internal predecessors, (3888), 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) [2023-11-29 06:21:16,712 INFO L175 Difference]: Start difference. First operand has 530 places, 544 transitions, 1133 flow. Second operand 5 states and 3115 transitions. [2023-11-29 06:21:16,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 534 places, 553 transitions, 1193 flow [2023-11-29 06:21:16,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 534 places, 553 transitions, 1193 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 06:21:16,722 INFO L231 Difference]: Finished difference. Result has 537 places, 548 transitions, 1171 flow [2023-11-29 06:21:16,723 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1133, PETRI_DIFFERENCE_MINUEND_PLACES=530, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=544, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=539, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1171, PETRI_PLACES=537, PETRI_TRANSITIONS=548} [2023-11-29 06:21:16,723 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -62 predicate places. [2023-11-29 06:21:16,724 INFO L495 AbstractCegarLoop]: Abstraction has has 537 places, 548 transitions, 1171 flow [2023-11-29 06:21:16,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 620.25) internal successors, (2481), 4 states have internal predecessors, (2481), 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) [2023-11-29 06:21:16,724 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:21:16,725 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:21:16,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 06:21:16,725 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-29 06:21:16,725 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:21:16,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1032245269, now seen corresponding path program 1 times [2023-11-29 06:21:16,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:21:16,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426805044] [2023-11-29 06:21:16,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:21:16,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:21:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:21:17,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:21:17,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:21:17,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426805044] [2023-11-29 06:21:17,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426805044] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:21:17,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:21:17,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:21:17,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737376519] [2023-11-29 06:21:17,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:21:17,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:21:17,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:21:17,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:21:17,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:21:17,796 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 612 out of 648 [2023-11-29 06:21:17,799 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 537 places, 548 transitions, 1171 flow. Second operand has 6 states, 6 states have (on average 613.6666666666666) internal successors, (3682), 6 states have internal predecessors, (3682), 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) [2023-11-29 06:21:17,799 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:21:17,799 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 612 of 648 [2023-11-29 06:21:17,799 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:21:18,077 INFO L124 PetriNetUnfolderBase]: 100/2061 cut-off events. [2023-11-29 06:21:18,077 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2023-11-29 06:21:18,086 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2195 conditions, 2061 events. 100/2061 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 12032 event pairs, 6 based on Foata normal form. 0/1843 useless extension candidates. Maximal degree in co-relation 2152. Up to 52 conditions per place. [2023-11-29 06:21:18,090 INFO L140 encePairwiseOnDemand]: 643/648 looper letters, 10 selfloop transitions, 4 changer transitions 0/547 dead transitions. [2023-11-29 06:21:18,090 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 547 transitions, 1197 flow [2023-11-29 06:21:18,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:21:18,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 06:21:18,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3687 transitions. [2023-11-29 06:21:18,099 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9483024691358025 [2023-11-29 06:21:18,099 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3687 transitions. [2023-11-29 06:21:18,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3687 transitions. [2023-11-29 06:21:18,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:21:18,101 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3687 transitions. [2023-11-29 06:21:18,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 614.5) internal successors, (3687), 6 states have internal predecessors, (3687), 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) [2023-11-29 06:21:18,113 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 648.0) internal successors, (4536), 7 states have internal predecessors, (4536), 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) [2023-11-29 06:21:18,114 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 648.0) internal successors, (4536), 7 states have internal predecessors, (4536), 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) [2023-11-29 06:21:18,114 INFO L175 Difference]: Start difference. First operand has 537 places, 548 transitions, 1171 flow. Second operand 6 states and 3687 transitions. [2023-11-29 06:21:18,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 547 transitions, 1197 flow [2023-11-29 06:21:18,119 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 541 places, 547 transitions, 1197 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 06:21:18,127 INFO L231 Difference]: Finished difference. Result has 541 places, 547 transitions, 1177 flow [2023-11-29 06:21:18,129 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1169, PETRI_DIFFERENCE_MINUEND_PLACES=536, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=547, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=543, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1177, PETRI_PLACES=541, PETRI_TRANSITIONS=547} [2023-11-29 06:21:18,129 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -58 predicate places. [2023-11-29 06:21:18,130 INFO L495 AbstractCegarLoop]: Abstraction has has 541 places, 547 transitions, 1177 flow [2023-11-29 06:21:18,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 613.6666666666666) internal successors, (3682), 6 states have internal predecessors, (3682), 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) [2023-11-29 06:21:18,131 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:21:18,131 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:21:18,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 06:21:18,131 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-29 06:21:18,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:21:18,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1238688854, now seen corresponding path program 1 times [2023-11-29 06:21:18,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:21:18,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023044782] [2023-11-29 06:21:18,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:21:18,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:21:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:21:18,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:21:18,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:21:18,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023044782] [2023-11-29 06:21:18,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023044782] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:21:18,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:21:18,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:21:18,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227419790] [2023-11-29 06:21:18,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:21:18,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:21:18,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:21:18,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:21:18,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:21:19,373 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 612 out of 648 [2023-11-29 06:21:19,375 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 541 places, 547 transitions, 1177 flow. Second operand has 6 states, 6 states have (on average 613.5) internal successors, (3681), 6 states have internal predecessors, (3681), 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) [2023-11-29 06:21:19,375 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:21:19,375 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 612 of 648 [2023-11-29 06:21:19,375 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:21:19,693 INFO L124 PetriNetUnfolderBase]: 125/2409 cut-off events. [2023-11-29 06:21:19,693 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-29 06:21:19,703 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2623 conditions, 2409 events. 125/2409 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 15353 event pairs, 7 based on Foata normal form. 0/2161 useless extension candidates. Maximal degree in co-relation 2597. Up to 57 conditions per place. [2023-11-29 06:21:19,708 INFO L140 encePairwiseOnDemand]: 642/648 looper letters, 15 selfloop transitions, 6 changer transitions 0/550 dead transitions. [2023-11-29 06:21:19,708 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 545 places, 550 transitions, 1229 flow [2023-11-29 06:21:19,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:21:19,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 06:21:19,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3693 transitions. [2023-11-29 06:21:19,716 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9498456790123457 [2023-11-29 06:21:19,716 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3693 transitions. [2023-11-29 06:21:19,716 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3693 transitions. [2023-11-29 06:21:19,719 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:21:19,719 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3693 transitions. [2023-11-29 06:21:19,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 615.5) internal successors, (3693), 6 states have internal predecessors, (3693), 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) [2023-11-29 06:21:19,730 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 648.0) internal successors, (4536), 7 states have internal predecessors, (4536), 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) [2023-11-29 06:21:19,730 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 648.0) internal successors, (4536), 7 states have internal predecessors, (4536), 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) [2023-11-29 06:21:19,731 INFO L175 Difference]: Start difference. First operand has 541 places, 547 transitions, 1177 flow. Second operand 6 states and 3693 transitions. [2023-11-29 06:21:19,731 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 545 places, 550 transitions, 1229 flow [2023-11-29 06:21:19,734 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 541 places, 550 transitions, 1222 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 06:21:19,740 INFO L231 Difference]: Finished difference. Result has 541 places, 546 transitions, 1180 flow [2023-11-29 06:21:19,741 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1168, PETRI_DIFFERENCE_MINUEND_PLACES=536, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=546, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=540, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1180, PETRI_PLACES=541, PETRI_TRANSITIONS=546} [2023-11-29 06:21:19,742 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -58 predicate places. [2023-11-29 06:21:19,742 INFO L495 AbstractCegarLoop]: Abstraction has has 541 places, 546 transitions, 1180 flow [2023-11-29 06:21:19,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 613.5) internal successors, (3681), 6 states have internal predecessors, (3681), 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) [2023-11-29 06:21:19,743 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:21:19,743 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:21:19,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 06:21:19,743 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-29 06:21:19,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:21:19,743 INFO L85 PathProgramCache]: Analyzing trace with hash 296177911, now seen corresponding path program 1 times [2023-11-29 06:21:19,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:21:19,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001001092] [2023-11-29 06:21:19,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:21:19,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:21:19,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:21:19,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:21:19,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:21:19,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001001092] [2023-11-29 06:21:19,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001001092] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:21:19,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:21:19,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:21:19,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803568850] [2023-11-29 06:21:19,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:21:19,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:21:19,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:21:19,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:21:19,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:21:19,999 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 611 out of 648 [2023-11-29 06:21:20,001 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 541 places, 546 transitions, 1180 flow. Second operand has 4 states, 4 states have (on average 612.5) internal successors, (2450), 4 states have internal predecessors, (2450), 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) [2023-11-29 06:21:20,002 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:21:20,002 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 611 of 648 [2023-11-29 06:21:20,002 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:21:20,530 INFO L124 PetriNetUnfolderBase]: 192/3341 cut-off events. [2023-11-29 06:21:20,530 INFO L125 PetriNetUnfolderBase]: For 54/55 co-relation queries the response was YES. [2023-11-29 06:21:20,540 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3738 conditions, 3341 events. 192/3341 cut-off events. For 54/55 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 23078 event pairs, 16 based on Foata normal form. 0/2996 useless extension candidates. Maximal degree in co-relation 3695. Up to 133 conditions per place. [2023-11-29 06:21:20,546 INFO L140 encePairwiseOnDemand]: 638/648 looper letters, 20 selfloop transitions, 10 changer transitions 0/558 dead transitions. [2023-11-29 06:21:20,546 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 545 places, 558 transitions, 1267 flow [2023-11-29 06:21:20,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:21:20,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-29 06:21:20,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3086 transitions. [2023-11-29 06:21:20,553 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9524691358024692 [2023-11-29 06:21:20,553 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 3086 transitions. [2023-11-29 06:21:20,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 3086 transitions. [2023-11-29 06:21:20,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:21:20,555 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 3086 transitions. [2023-11-29 06:21:20,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 617.2) internal successors, (3086), 5 states have internal predecessors, (3086), 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) [2023-11-29 06:21:20,563 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 648.0) internal successors, (3888), 6 states have internal predecessors, (3888), 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) [2023-11-29 06:21:20,564 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 648.0) internal successors, (3888), 6 states have internal predecessors, (3888), 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) [2023-11-29 06:21:20,564 INFO L175 Difference]: Start difference. First operand has 541 places, 546 transitions, 1180 flow. Second operand 5 states and 3086 transitions. [2023-11-29 06:21:20,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 545 places, 558 transitions, 1267 flow [2023-11-29 06:21:20,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 540 places, 558 transitions, 1255 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 06:21:20,574 INFO L231 Difference]: Finished difference. Result has 543 places, 554 transitions, 1238 flow [2023-11-29 06:21:20,575 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1168, PETRI_DIFFERENCE_MINUEND_PLACES=536, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=546, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=537, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1238, PETRI_PLACES=543, PETRI_TRANSITIONS=554} [2023-11-29 06:21:20,575 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -56 predicate places. [2023-11-29 06:21:20,576 INFO L495 AbstractCegarLoop]: Abstraction has has 543 places, 554 transitions, 1238 flow [2023-11-29 06:21:20,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 612.5) internal successors, (2450), 4 states have internal predecessors, (2450), 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) [2023-11-29 06:21:20,576 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:21:20,576 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:21:20,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 06:21:20,576 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err42ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-29 06:21:20,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:21:20,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1485128716, now seen corresponding path program 1 times [2023-11-29 06:21:20,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:21:20,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828074538] [2023-11-29 06:21:20,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:21:20,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:21:20,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:21:20,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:21:20,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:21:20,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828074538] [2023-11-29 06:21:20,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828074538] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:21:20,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:21:20,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:21:20,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664949940] [2023-11-29 06:21:20,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:21:20,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:21:20,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:21:20,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:21:20,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:21:20,846 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 611 out of 648 [2023-11-29 06:21:20,848 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 543 places, 554 transitions, 1238 flow. Second operand has 4 states, 4 states have (on average 612.5) internal successors, (2450), 4 states have internal predecessors, (2450), 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) [2023-11-29 06:21:20,848 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:21:20,848 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 611 of 648 [2023-11-29 06:21:20,848 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:21:21,414 INFO L124 PetriNetUnfolderBase]: 189/3334 cut-off events. [2023-11-29 06:21:21,414 INFO L125 PetriNetUnfolderBase]: For 176/177 co-relation queries the response was YES. [2023-11-29 06:21:21,427 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3810 conditions, 3334 events. 189/3334 cut-off events. For 176/177 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 23031 event pairs, 16 based on Foata normal form. 0/3000 useless extension candidates. Maximal degree in co-relation 3763. Up to 133 conditions per place. [2023-11-29 06:21:21,435 INFO L140 encePairwiseOnDemand]: 638/648 looper letters, 20 selfloop transitions, 10 changer transitions 0/561 dead transitions. [2023-11-29 06:21:21,435 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 547 places, 561 transitions, 1315 flow [2023-11-29 06:21:21,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:21:21,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-29 06:21:21,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3086 transitions. [2023-11-29 06:21:21,444 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9524691358024692 [2023-11-29 06:21:21,445 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 3086 transitions. [2023-11-29 06:21:21,445 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 3086 transitions. [2023-11-29 06:21:21,445 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:21:21,445 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 3086 transitions. [2023-11-29 06:21:21,449 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 617.2) internal successors, (3086), 5 states have internal predecessors, (3086), 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) [2023-11-29 06:21:21,453 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 648.0) internal successors, (3888), 6 states have internal predecessors, (3888), 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) [2023-11-29 06:21:21,453 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 648.0) internal successors, (3888), 6 states have internal predecessors, (3888), 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) [2023-11-29 06:21:21,453 INFO L175 Difference]: Start difference. First operand has 543 places, 554 transitions, 1238 flow. Second operand 5 states and 3086 transitions. [2023-11-29 06:21:21,453 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 547 places, 561 transitions, 1315 flow [2023-11-29 06:21:21,457 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 547 places, 561 transitions, 1315 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 06:21:21,463 INFO L231 Difference]: Finished difference. Result has 550 places, 557 transitions, 1288 flow [2023-11-29 06:21:21,464 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1238, PETRI_DIFFERENCE_MINUEND_PLACES=543, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=554, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=545, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1288, PETRI_PLACES=550, PETRI_TRANSITIONS=557} [2023-11-29 06:21:21,465 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -49 predicate places. [2023-11-29 06:21:21,465 INFO L495 AbstractCegarLoop]: Abstraction has has 550 places, 557 transitions, 1288 flow [2023-11-29 06:21:21,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 612.5) internal successors, (2450), 4 states have internal predecessors, (2450), 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) [2023-11-29 06:21:21,465 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:21:21,466 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:21:21,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 06:21:21,466 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-29 06:21:21,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:21:21,466 INFO L85 PathProgramCache]: Analyzing trace with hash -733735207, now seen corresponding path program 1 times [2023-11-29 06:21:21,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:21:21,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914130428] [2023-11-29 06:21:21,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:21:21,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:21:21,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:21:21,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:21:21,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:21:21,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914130428] [2023-11-29 06:21:21,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914130428] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:21:21,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:21:21,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:21:21,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45846968] [2023-11-29 06:21:21,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:21:21,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:21:21,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:21:21,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:21:21,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:21:21,552 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 617 out of 648 [2023-11-29 06:21:21,554 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 550 places, 557 transitions, 1288 flow. Second operand has 3 states, 3 states have (on average 619.3333333333334) internal successors, (1858), 3 states have internal predecessors, (1858), 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) [2023-11-29 06:21:21,554 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:21:21,554 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 617 of 648 [2023-11-29 06:21:21,554 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:21:22,065 INFO L124 PetriNetUnfolderBase]: 131/2570 cut-off events. [2023-11-29 06:21:22,066 INFO L125 PetriNetUnfolderBase]: For 157/158 co-relation queries the response was YES. [2023-11-29 06:21:22,078 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3008 conditions, 2570 events. 131/2570 cut-off events. For 157/158 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 15736 event pairs, 20 based on Foata normal form. 0/2336 useless extension candidates. Maximal degree in co-relation 2957. Up to 74 conditions per place. [2023-11-29 06:21:22,086 INFO L140 encePairwiseOnDemand]: 645/648 looper letters, 9 selfloop transitions, 2 changer transitions 0/557 dead transitions. [2023-11-29 06:21:22,086 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 551 places, 557 transitions, 1311 flow [2023-11-29 06:21:22,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:21:22,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:21:22,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1863 transitions. [2023-11-29 06:21:22,092 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9583333333333334 [2023-11-29 06:21:22,092 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1863 transitions. [2023-11-29 06:21:22,092 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1863 transitions. [2023-11-29 06:21:22,093 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:21:22,093 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1863 transitions. [2023-11-29 06:21:22,095 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 621.0) internal successors, (1863), 3 states have internal predecessors, (1863), 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) [2023-11-29 06:21:22,097 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 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) [2023-11-29 06:21:22,098 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 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) [2023-11-29 06:21:22,098 INFO L175 Difference]: Start difference. First operand has 550 places, 557 transitions, 1288 flow. Second operand 3 states and 1863 transitions. [2023-11-29 06:21:22,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 551 places, 557 transitions, 1311 flow [2023-11-29 06:21:22,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 551 places, 557 transitions, 1311 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 06:21:22,111 INFO L231 Difference]: Finished difference. Result has 551 places, 556 transitions, 1290 flow [2023-11-29 06:21:22,111 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1286, PETRI_DIFFERENCE_MINUEND_PLACES=549, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=556, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=554, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1290, PETRI_PLACES=551, PETRI_TRANSITIONS=556} [2023-11-29 06:21:22,112 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -48 predicate places. [2023-11-29 06:21:22,112 INFO L495 AbstractCegarLoop]: Abstraction has has 551 places, 556 transitions, 1290 flow [2023-11-29 06:21:22,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 619.3333333333334) internal successors, (1858), 3 states have internal predecessors, (1858), 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) [2023-11-29 06:21:22,113 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:21:22,113 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:21:22,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 06:21:22,113 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-29 06:21:22,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:21:22,113 INFO L85 PathProgramCache]: Analyzing trace with hash 230772535, now seen corresponding path program 1 times [2023-11-29 06:21:22,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:21:22,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569206393] [2023-11-29 06:21:22,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:21:22,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:21:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:21:22,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:21:22,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:21:22,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569206393] [2023-11-29 06:21:22,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569206393] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:21:22,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:21:22,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:21:22,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811780975] [2023-11-29 06:21:22,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:21:22,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:21:22,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:21:22,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:21:22,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:21:22,900 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 556 out of 648 [2023-11-29 06:21:22,902 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 551 places, 556 transitions, 1290 flow. Second operand has 6 states, 6 states have (on average 557.6666666666666) internal successors, (3346), 6 states have internal predecessors, (3346), 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) [2023-11-29 06:21:22,902 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:21:22,902 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 556 of 648 [2023-11-29 06:21:22,902 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:21:23,454 INFO L124 PetriNetUnfolderBase]: 287/2885 cut-off events. [2023-11-29 06:21:23,454 INFO L125 PetriNetUnfolderBase]: For 375/376 co-relation queries the response was YES. [2023-11-29 06:21:23,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3976 conditions, 2885 events. 287/2885 cut-off events. For 375/376 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 20283 event pairs, 30 based on Foata normal form. 0/2682 useless extension candidates. Maximal degree in co-relation 3922. Up to 224 conditions per place. [2023-11-29 06:21:23,470 INFO L140 encePairwiseOnDemand]: 594/648 looper letters, 23 selfloop transitions, 50 changer transitions 0/551 dead transitions. [2023-11-29 06:21:23,470 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 547 places, 551 transitions, 1430 flow [2023-11-29 06:21:23,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:21:23,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 06:21:23,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3413 transitions. [2023-11-29 06:21:23,480 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8778292181069959 [2023-11-29 06:21:23,481 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3413 transitions. [2023-11-29 06:21:23,481 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3413 transitions. [2023-11-29 06:21:23,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:21:23,482 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3413 transitions. [2023-11-29 06:21:23,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 568.8333333333334) internal successors, (3413), 6 states have internal predecessors, (3413), 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) [2023-11-29 06:21:23,494 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 648.0) internal successors, (4536), 7 states have internal predecessors, (4536), 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) [2023-11-29 06:21:23,495 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 648.0) internal successors, (4536), 7 states have internal predecessors, (4536), 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) [2023-11-29 06:21:23,495 INFO L175 Difference]: Start difference. First operand has 551 places, 556 transitions, 1290 flow. Second operand 6 states and 3413 transitions. [2023-11-29 06:21:23,495 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 547 places, 551 transitions, 1430 flow [2023-11-29 06:21:23,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 545 places, 551 transitions, 1426 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:21:23,507 INFO L231 Difference]: Finished difference. Result has 545 places, 547 transitions, 1368 flow [2023-11-29 06:21:23,508 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1268, PETRI_DIFFERENCE_MINUEND_PLACES=540, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=547, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=497, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1368, PETRI_PLACES=545, PETRI_TRANSITIONS=547} [2023-11-29 06:21:23,508 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -54 predicate places. [2023-11-29 06:21:23,509 INFO L495 AbstractCegarLoop]: Abstraction has has 545 places, 547 transitions, 1368 flow [2023-11-29 06:21:23,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 557.6666666666666) internal successors, (3346), 6 states have internal predecessors, (3346), 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) [2023-11-29 06:21:23,509 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:21:23,510 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:21:23,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 06:21:23,510 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-29 06:21:23,510 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:21:23,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1532649564, now seen corresponding path program 1 times [2023-11-29 06:21:23,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:21:23,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453948345] [2023-11-29 06:21:23,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:21:23,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:21:23,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:21:23,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:21:23,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:21:23,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453948345] [2023-11-29 06:21:23,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453948345] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:21:23,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:21:23,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:21:23,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948523429] [2023-11-29 06:21:23,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:21:23,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:21:23,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:21:23,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:21:23,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:21:23,689 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 585 out of 648 [2023-11-29 06:21:23,690 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 545 places, 547 transitions, 1368 flow. Second operand has 3 states, 3 states have (on average 587.6666666666666) internal successors, (1763), 3 states have internal predecessors, (1763), 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) [2023-11-29 06:21:23,691 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:21:23,691 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 585 of 648 [2023-11-29 06:21:23,691 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:21:24,247 INFO L124 PetriNetUnfolderBase]: 251/3492 cut-off events. [2023-11-29 06:21:24,248 INFO L125 PetriNetUnfolderBase]: For 406/408 co-relation queries the response was YES. [2023-11-29 06:21:24,263 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4720 conditions, 3492 events. 251/3492 cut-off events. For 406/408 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 26155 event pairs, 116 based on Foata normal form. 0/3272 useless extension candidates. Maximal degree in co-relation 4668. Up to 418 conditions per place. [2023-11-29 06:21:24,270 INFO L140 encePairwiseOnDemand]: 645/648 looper letters, 41 selfloop transitions, 2 changer transitions 0/547 dead transitions. [2023-11-29 06:21:24,270 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 547 transitions, 1455 flow [2023-11-29 06:21:24,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:21:24,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:21:24,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1799 transitions. [2023-11-29 06:21:24,275 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9254115226337448 [2023-11-29 06:21:24,275 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1799 transitions. [2023-11-29 06:21:24,275 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1799 transitions. [2023-11-29 06:21:24,275 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:21:24,276 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1799 transitions. [2023-11-29 06:21:24,277 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 599.6666666666666) internal successors, (1799), 3 states have internal predecessors, (1799), 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) [2023-11-29 06:21:24,280 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 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) [2023-11-29 06:21:24,281 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 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) [2023-11-29 06:21:24,281 INFO L175 Difference]: Start difference. First operand has 545 places, 547 transitions, 1368 flow. Second operand 3 states and 1799 transitions. [2023-11-29 06:21:24,281 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 547 transitions, 1455 flow [2023-11-29 06:21:24,290 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 541 places, 547 transitions, 1355 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 06:21:24,297 INFO L231 Difference]: Finished difference. Result has 541 places, 546 transitions, 1270 flow [2023-11-29 06:21:24,298 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1266, PETRI_DIFFERENCE_MINUEND_PLACES=539, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=546, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=544, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1270, PETRI_PLACES=541, PETRI_TRANSITIONS=546} [2023-11-29 06:21:24,298 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -58 predicate places. [2023-11-29 06:21:24,298 INFO L495 AbstractCegarLoop]: Abstraction has has 541 places, 546 transitions, 1270 flow [2023-11-29 06:21:24,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 587.6666666666666) internal successors, (1763), 3 states have internal predecessors, (1763), 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) [2023-11-29 06:21:24,299 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:21:24,299 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:21:24,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 06:21:24,299 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err51ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-29 06:21:24,300 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:21:24,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1356970864, now seen corresponding path program 1 times [2023-11-29 06:21:24,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:21:24,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044616143] [2023-11-29 06:21:24,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:21:24,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:21:24,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:21:24,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:21:24,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:21:24,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044616143] [2023-11-29 06:21:24,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044616143] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:21:24,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:21:24,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:21:24,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941280902] [2023-11-29 06:21:24,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:21:24,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:21:24,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:21:24,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:21:24,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:21:24,474 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 585 out of 648 [2023-11-29 06:21:24,475 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 541 places, 546 transitions, 1270 flow. Second operand has 3 states, 3 states have (on average 587.3333333333334) internal successors, (1762), 3 states have internal predecessors, (1762), 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) [2023-11-29 06:21:24,475 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:21:24,475 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 585 of 648 [2023-11-29 06:21:24,475 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:21:24,993 INFO L124 PetriNetUnfolderBase]: 257/3525 cut-off events. [2023-11-29 06:21:24,994 INFO L125 PetriNetUnfolderBase]: For 295/297 co-relation queries the response was YES. [2023-11-29 06:21:25,007 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4401 conditions, 3525 events. 257/3525 cut-off events. For 295/297 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 26609 event pairs, 116 based on Foata normal form. 0/3301 useless extension candidates. Maximal degree in co-relation 4349. Up to 418 conditions per place. [2023-11-29 06:21:25,013 INFO L140 encePairwiseOnDemand]: 645/648 looper letters, 41 selfloop transitions, 2 changer transitions 0/546 dead transitions. [2023-11-29 06:21:25,013 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 542 places, 546 transitions, 1357 flow [2023-11-29 06:21:25,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:21:25,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:21:25,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1799 transitions. [2023-11-29 06:21:25,018 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9254115226337448 [2023-11-29 06:21:25,018 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1799 transitions. [2023-11-29 06:21:25,018 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1799 transitions. [2023-11-29 06:21:25,018 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:21:25,018 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1799 transitions. [2023-11-29 06:21:25,021 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 599.6666666666666) internal successors, (1799), 3 states have internal predecessors, (1799), 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) [2023-11-29 06:21:25,024 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 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) [2023-11-29 06:21:25,025 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 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) [2023-11-29 06:21:25,025 INFO L175 Difference]: Start difference. First operand has 541 places, 546 transitions, 1270 flow. Second operand 3 states and 1799 transitions. [2023-11-29 06:21:25,025 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 542 places, 546 transitions, 1357 flow [2023-11-29 06:21:25,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 540 places, 546 transitions, 1353 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:21:25,035 INFO L231 Difference]: Finished difference. Result has 540 places, 545 transitions, 1268 flow [2023-11-29 06:21:25,036 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1264, PETRI_DIFFERENCE_MINUEND_PLACES=538, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=545, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=543, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1268, PETRI_PLACES=540, PETRI_TRANSITIONS=545} [2023-11-29 06:21:25,036 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -59 predicate places. [2023-11-29 06:21:25,036 INFO L495 AbstractCegarLoop]: Abstraction has has 540 places, 545 transitions, 1268 flow [2023-11-29 06:21:25,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 587.3333333333334) internal successors, (1762), 3 states have internal predecessors, (1762), 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) [2023-11-29 06:21:25,036 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:21:25,037 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:21:25,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 06:21:25,037 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err43ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-29 06:21:25,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:21:25,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1738611731, now seen corresponding path program 1 times [2023-11-29 06:21:25,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:21:25,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048160933] [2023-11-29 06:21:25,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:21:25,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:21:25,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:21:25,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:21:25,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:21:25,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048160933] [2023-11-29 06:21:25,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048160933] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:21:25,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:21:25,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:21:25,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420387338] [2023-11-29 06:21:25,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:21:25,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:21:25,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:21:25,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:21:25,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:21:25,244 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 585 out of 648 [2023-11-29 06:21:25,246 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 540 places, 545 transitions, 1268 flow. Second operand has 3 states, 3 states have (on average 587.6666666666666) internal successors, (1763), 3 states have internal predecessors, (1763), 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) [2023-11-29 06:21:25,246 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:21:25,246 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 585 of 648 [2023-11-29 06:21:25,246 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:21:25,831 INFO L124 PetriNetUnfolderBase]: 253/3495 cut-off events. [2023-11-29 06:21:25,831 INFO L125 PetriNetUnfolderBase]: For 297/299 co-relation queries the response was YES. [2023-11-29 06:21:25,846 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4374 conditions, 3495 events. 253/3495 cut-off events. For 297/299 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 26210 event pairs, 116 based on Foata normal form. 0/3282 useless extension candidates. Maximal degree in co-relation 4322. Up to 418 conditions per place. [2023-11-29 06:21:25,855 INFO L140 encePairwiseOnDemand]: 645/648 looper letters, 41 selfloop transitions, 2 changer transitions 0/545 dead transitions. [2023-11-29 06:21:25,855 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 545 transitions, 1355 flow [2023-11-29 06:21:25,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:21:25,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:21:25,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1799 transitions. [2023-11-29 06:21:25,860 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9254115226337448 [2023-11-29 06:21:25,860 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1799 transitions. [2023-11-29 06:21:25,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1799 transitions. [2023-11-29 06:21:25,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:21:25,860 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1799 transitions. [2023-11-29 06:21:25,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 599.6666666666666) internal successors, (1799), 3 states have internal predecessors, (1799), 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) [2023-11-29 06:21:25,864 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 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) [2023-11-29 06:21:25,864 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 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) [2023-11-29 06:21:25,864 INFO L175 Difference]: Start difference. First operand has 540 places, 545 transitions, 1268 flow. Second operand 3 states and 1799 transitions. [2023-11-29 06:21:25,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 545 transitions, 1355 flow [2023-11-29 06:21:25,870 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 545 transitions, 1351 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:21:25,879 INFO L231 Difference]: Finished difference. Result has 539 places, 544 transitions, 1266 flow [2023-11-29 06:21:25,880 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1262, PETRI_DIFFERENCE_MINUEND_PLACES=537, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=544, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=542, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1266, PETRI_PLACES=539, PETRI_TRANSITIONS=544} [2023-11-29 06:21:25,880 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -60 predicate places. [2023-11-29 06:21:25,880 INFO L495 AbstractCegarLoop]: Abstraction has has 539 places, 544 transitions, 1266 flow [2023-11-29 06:21:25,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 587.6666666666666) internal successors, (1763), 3 states have internal predecessors, (1763), 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) [2023-11-29 06:21:25,881 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:21:25,881 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:21:25,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 06:21:25,881 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err59ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-29 06:21:25,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:21:25,881 INFO L85 PathProgramCache]: Analyzing trace with hash -669496788, now seen corresponding path program 1 times [2023-11-29 06:21:25,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:21:25,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802448248] [2023-11-29 06:21:25,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:21:25,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:21:25,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:21:25,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:21:25,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:21:25,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802448248] [2023-11-29 06:21:25,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802448248] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:21:25,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:21:25,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:21:25,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103242361] [2023-11-29 06:21:25,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:21:25,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:21:25,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:21:25,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:21:25,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:21:26,080 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 585 out of 648 [2023-11-29 06:21:26,082 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 539 places, 544 transitions, 1266 flow. Second operand has 3 states, 3 states have (on average 587.3333333333334) internal successors, (1762), 3 states have internal predecessors, (1762), 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) [2023-11-29 06:21:26,082 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:21:26,082 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 585 of 648 [2023-11-29 06:21:26,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:21:26,601 INFO L124 PetriNetUnfolderBase]: 253/3493 cut-off events. [2023-11-29 06:21:26,601 INFO L125 PetriNetUnfolderBase]: For 296/298 co-relation queries the response was YES. [2023-11-29 06:21:26,616 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4373 conditions, 3493 events. 253/3493 cut-off events. For 296/298 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 26207 event pairs, 116 based on Foata normal form. 0/3286 useless extension candidates. Maximal degree in co-relation 4321. Up to 418 conditions per place. [2023-11-29 06:21:26,623 INFO L140 encePairwiseOnDemand]: 645/648 looper letters, 41 selfloop transitions, 2 changer transitions 0/544 dead transitions. [2023-11-29 06:21:26,623 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 540 places, 544 transitions, 1353 flow [2023-11-29 06:21:26,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:21:26,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:21:26,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1799 transitions. [2023-11-29 06:21:26,629 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9254115226337448 [2023-11-29 06:21:26,629 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1799 transitions. [2023-11-29 06:21:26,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1799 transitions. [2023-11-29 06:21:26,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:21:26,630 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1799 transitions. [2023-11-29 06:21:26,632 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 599.6666666666666) internal successors, (1799), 3 states have internal predecessors, (1799), 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) [2023-11-29 06:21:26,634 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 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) [2023-11-29 06:21:26,634 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 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) [2023-11-29 06:21:26,634 INFO L175 Difference]: Start difference. First operand has 539 places, 544 transitions, 1266 flow. Second operand 3 states and 1799 transitions. [2023-11-29 06:21:26,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 540 places, 544 transitions, 1353 flow [2023-11-29 06:21:26,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 538 places, 544 transitions, 1349 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:21:26,644 INFO L231 Difference]: Finished difference. Result has 538 places, 543 transitions, 1264 flow [2023-11-29 06:21:26,645 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1260, PETRI_DIFFERENCE_MINUEND_PLACES=536, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=543, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=541, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1264, PETRI_PLACES=538, PETRI_TRANSITIONS=543} [2023-11-29 06:21:26,645 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -61 predicate places. [2023-11-29 06:21:26,646 INFO L495 AbstractCegarLoop]: Abstraction has has 538 places, 543 transitions, 1264 flow [2023-11-29 06:21:26,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 587.3333333333334) internal successors, (1762), 3 states have internal predecessors, (1762), 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) [2023-11-29 06:21:26,646 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:21:26,646 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:21:26,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 06:21:26,646 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err67ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-29 06:21:26,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:21:26,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1466650879, now seen corresponding path program 1 times [2023-11-29 06:21:26,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:21:26,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036253156] [2023-11-29 06:21:26,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:21:26,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:21:26,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:21:26,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:21:26,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:21:26,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036253156] [2023-11-29 06:21:26,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036253156] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:21:26,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:21:26,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:21:26,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278833915] [2023-11-29 06:21:26,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:21:26,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:21:26,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:21:26,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:21:26,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:21:26,834 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 585 out of 648 [2023-11-29 06:21:26,836 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 538 places, 543 transitions, 1264 flow. Second operand has 3 states, 3 states have (on average 587.3333333333334) internal successors, (1762), 3 states have internal predecessors, (1762), 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) [2023-11-29 06:21:26,836 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:21:26,836 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 585 of 648 [2023-11-29 06:21:26,836 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:21:27,387 INFO L124 PetriNetUnfolderBase]: 253/3489 cut-off events. [2023-11-29 06:21:27,387 INFO L125 PetriNetUnfolderBase]: For 295/297 co-relation queries the response was YES. [2023-11-29 06:21:27,396 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4367 conditions, 3489 events. 253/3489 cut-off events. For 295/297 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 26142 event pairs, 116 based on Foata normal form. 0/3286 useless extension candidates. Maximal degree in co-relation 4315. Up to 418 conditions per place. [2023-11-29 06:21:27,401 INFO L140 encePairwiseOnDemand]: 645/648 looper letters, 40 selfloop transitions, 2 changer transitions 1/543 dead transitions. [2023-11-29 06:21:27,401 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 539 places, 543 transitions, 1351 flow [2023-11-29 06:21:27,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:21:27,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:21:27,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1799 transitions. [2023-11-29 06:21:27,405 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9254115226337448 [2023-11-29 06:21:27,405 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1799 transitions. [2023-11-29 06:21:27,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1799 transitions. [2023-11-29 06:21:27,405 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:21:27,405 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1799 transitions. [2023-11-29 06:21:27,407 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 599.6666666666666) internal successors, (1799), 3 states have internal predecessors, (1799), 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) [2023-11-29 06:21:27,408 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 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) [2023-11-29 06:21:27,409 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 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) [2023-11-29 06:21:27,409 INFO L175 Difference]: Start difference. First operand has 538 places, 543 transitions, 1264 flow. Second operand 3 states and 1799 transitions. [2023-11-29 06:21:27,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 539 places, 543 transitions, 1351 flow [2023-11-29 06:21:27,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 537 places, 543 transitions, 1347 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:21:27,418 INFO L231 Difference]: Finished difference. Result has 537 places, 542 transitions, 1262 flow [2023-11-29 06:21:27,419 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1258, PETRI_DIFFERENCE_MINUEND_PLACES=535, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=542, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=540, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1262, PETRI_PLACES=537, PETRI_TRANSITIONS=542} [2023-11-29 06:21:27,419 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -62 predicate places. [2023-11-29 06:21:27,419 INFO L495 AbstractCegarLoop]: Abstraction has has 537 places, 542 transitions, 1262 flow [2023-11-29 06:21:27,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 587.3333333333334) internal successors, (1762), 3 states have internal predecessors, (1762), 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) [2023-11-29 06:21:27,420 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:21:27,420 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:21:27,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 06:21:27,420 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-29 06:21:27,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:21:27,420 INFO L85 PathProgramCache]: Analyzing trace with hash 387754452, now seen corresponding path program 1 times [2023-11-29 06:21:27,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:21:27,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154857929] [2023-11-29 06:21:27,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:21:27,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:21:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:21:27,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:21:27,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:21:27,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154857929] [2023-11-29 06:21:27,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154857929] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:21:27,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:21:27,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:21:27,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351100968] [2023-11-29 06:21:27,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:21:27,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:21:27,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:21:27,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:21:27,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:21:27,598 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 585 out of 648 [2023-11-29 06:21:27,600 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 537 places, 542 transitions, 1262 flow. Second operand has 3 states, 3 states have (on average 588.6666666666666) internal successors, (1766), 3 states have internal predecessors, (1766), 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) [2023-11-29 06:21:27,600 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:21:27,600 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 585 of 648 [2023-11-29 06:21:27,600 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:21:28,188 INFO L124 PetriNetUnfolderBase]: 251/3469 cut-off events. [2023-11-29 06:21:28,188 INFO L125 PetriNetUnfolderBase]: For 295/297 co-relation queries the response was YES. [2023-11-29 06:21:28,207 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4347 conditions, 3469 events. 251/3469 cut-off events. For 295/297 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 25858 event pairs, 116 based on Foata normal form. 0/3272 useless extension candidates. Maximal degree in co-relation 4295. Up to 418 conditions per place. [2023-11-29 06:21:28,216 INFO L140 encePairwiseOnDemand]: 645/648 looper letters, 41 selfloop transitions, 2 changer transitions 0/542 dead transitions. [2023-11-29 06:21:28,216 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 538 places, 542 transitions, 1349 flow [2023-11-29 06:21:28,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:21:28,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:21:28,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1799 transitions. [2023-11-29 06:21:28,223 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9254115226337448 [2023-11-29 06:21:28,223 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1799 transitions. [2023-11-29 06:21:28,223 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1799 transitions. [2023-11-29 06:21:28,224 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:21:28,224 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1799 transitions. [2023-11-29 06:21:28,226 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 599.6666666666666) internal successors, (1799), 3 states have internal predecessors, (1799), 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) [2023-11-29 06:21:28,227 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 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) [2023-11-29 06:21:28,227 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 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) [2023-11-29 06:21:28,228 INFO L175 Difference]: Start difference. First operand has 537 places, 542 transitions, 1262 flow. Second operand 3 states and 1799 transitions. [2023-11-29 06:21:28,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 538 places, 542 transitions, 1349 flow [2023-11-29 06:21:28,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 536 places, 542 transitions, 1345 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:21:28,238 INFO L231 Difference]: Finished difference. Result has 536 places, 541 transitions, 1260 flow [2023-11-29 06:21:28,239 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1256, PETRI_DIFFERENCE_MINUEND_PLACES=534, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=541, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=539, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1260, PETRI_PLACES=536, PETRI_TRANSITIONS=541} [2023-11-29 06:21:28,239 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -63 predicate places. [2023-11-29 06:21:28,239 INFO L495 AbstractCegarLoop]: Abstraction has has 536 places, 541 transitions, 1260 flow [2023-11-29 06:21:28,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 588.6666666666666) internal successors, (1766), 3 states have internal predecessors, (1766), 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) [2023-11-29 06:21:28,240 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:21:28,240 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:21:28,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 06:21:28,240 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-29 06:21:28,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:21:28,241 INFO L85 PathProgramCache]: Analyzing trace with hash 239048907, now seen corresponding path program 1 times [2023-11-29 06:21:28,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:21:28,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491297259] [2023-11-29 06:21:28,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:21:28,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:21:28,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:21:28,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:21:28,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:21:28,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491297259] [2023-11-29 06:21:28,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491297259] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:21:28,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:21:28,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:21:28,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006233711] [2023-11-29 06:21:28,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:21:28,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:21:28,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:21:28,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:21:28,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:21:28,442 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 585 out of 648 [2023-11-29 06:21:28,444 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 536 places, 541 transitions, 1260 flow. Second operand has 3 states, 3 states have (on average 589.6666666666666) internal successors, (1769), 3 states have internal predecessors, (1769), 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) [2023-11-29 06:21:28,444 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:21:28,444 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 585 of 648 [2023-11-29 06:21:28,444 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:21:29,015 INFO L124 PetriNetUnfolderBase]: 251/3463 cut-off events. [2023-11-29 06:21:29,015 INFO L125 PetriNetUnfolderBase]: For 295/297 co-relation queries the response was YES. [2023-11-29 06:21:29,026 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4343 conditions, 3463 events. 251/3463 cut-off events. For 295/297 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 25791 event pairs, 116 based on Foata normal form. 0/3272 useless extension candidates. Maximal degree in co-relation 4291. Up to 418 conditions per place. [2023-11-29 06:21:29,032 INFO L140 encePairwiseOnDemand]: 645/648 looper letters, 41 selfloop transitions, 2 changer transitions 0/541 dead transitions. [2023-11-29 06:21:29,032 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 537 places, 541 transitions, 1347 flow [2023-11-29 06:21:29,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:21:29,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:21:29,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1799 transitions. [2023-11-29 06:21:29,038 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9254115226337448 [2023-11-29 06:21:29,038 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1799 transitions. [2023-11-29 06:21:29,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1799 transitions. [2023-11-29 06:21:29,039 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:21:29,039 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1799 transitions. [2023-11-29 06:21:29,042 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 599.6666666666666) internal successors, (1799), 3 states have internal predecessors, (1799), 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) [2023-11-29 06:21:29,044 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 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) [2023-11-29 06:21:29,044 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 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) [2023-11-29 06:21:29,044 INFO L175 Difference]: Start difference. First operand has 536 places, 541 transitions, 1260 flow. Second operand 3 states and 1799 transitions. [2023-11-29 06:21:29,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 537 places, 541 transitions, 1347 flow [2023-11-29 06:21:29,048 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 535 places, 541 transitions, 1343 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:21:29,055 INFO L231 Difference]: Finished difference. Result has 535 places, 540 transitions, 1258 flow [2023-11-29 06:21:29,055 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1254, PETRI_DIFFERENCE_MINUEND_PLACES=533, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=540, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=538, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1258, PETRI_PLACES=535, PETRI_TRANSITIONS=540} [2023-11-29 06:21:29,056 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -64 predicate places. [2023-11-29 06:21:29,056 INFO L495 AbstractCegarLoop]: Abstraction has has 535 places, 540 transitions, 1258 flow [2023-11-29 06:21:29,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 589.6666666666666) internal successors, (1769), 3 states have internal predecessors, (1769), 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) [2023-11-29 06:21:29,056 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:21:29,057 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:21:29,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 06:21:29,057 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err28ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-29 06:21:29,057 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:21:29,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1811650078, now seen corresponding path program 1 times [2023-11-29 06:21:29,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:21:29,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994389429] [2023-11-29 06:21:29,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:21:29,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:21:29,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:21:29,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:21:29,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:21:29,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994389429] [2023-11-29 06:21:29,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994389429] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:21:29,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:21:29,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:21:29,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692937792] [2023-11-29 06:21:29,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:21:29,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:21:29,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:21:29,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:21:29,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:21:29,264 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 585 out of 648 [2023-11-29 06:21:29,266 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 535 places, 540 transitions, 1258 flow. Second operand has 3 states, 3 states have (on average 590.6666666666666) internal successors, (1772), 3 states have internal predecessors, (1772), 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) [2023-11-29 06:21:29,267 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:21:29,267 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 585 of 648 [2023-11-29 06:21:29,267 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:21:29,877 INFO L124 PetriNetUnfolderBase]: 251/3457 cut-off events. [2023-11-29 06:21:29,877 INFO L125 PetriNetUnfolderBase]: For 295/297 co-relation queries the response was YES. [2023-11-29 06:21:29,892 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4337 conditions, 3457 events. 251/3457 cut-off events. For 295/297 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 25783 event pairs, 116 based on Foata normal form. 0/3272 useless extension candidates. Maximal degree in co-relation 4285. Up to 418 conditions per place. [2023-11-29 06:21:29,899 INFO L140 encePairwiseOnDemand]: 645/648 looper letters, 41 selfloop transitions, 2 changer transitions 0/540 dead transitions. [2023-11-29 06:21:29,899 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 536 places, 540 transitions, 1345 flow [2023-11-29 06:21:29,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:21:29,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:21:29,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1799 transitions. [2023-11-29 06:21:29,904 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9254115226337448 [2023-11-29 06:21:29,904 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1799 transitions. [2023-11-29 06:21:29,904 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1799 transitions. [2023-11-29 06:21:29,904 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:21:29,904 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1799 transitions. [2023-11-29 06:21:29,906 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 599.6666666666666) internal successors, (1799), 3 states have internal predecessors, (1799), 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) [2023-11-29 06:21:29,907 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 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) [2023-11-29 06:21:29,907 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 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) [2023-11-29 06:21:29,908 INFO L175 Difference]: Start difference. First operand has 535 places, 540 transitions, 1258 flow. Second operand 3 states and 1799 transitions. [2023-11-29 06:21:29,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 536 places, 540 transitions, 1345 flow [2023-11-29 06:21:29,912 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 534 places, 540 transitions, 1341 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:21:29,918 INFO L231 Difference]: Finished difference. Result has 534 places, 539 transitions, 1256 flow [2023-11-29 06:21:29,918 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1252, PETRI_DIFFERENCE_MINUEND_PLACES=532, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=539, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=537, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1256, PETRI_PLACES=534, PETRI_TRANSITIONS=539} [2023-11-29 06:21:29,919 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -65 predicate places. [2023-11-29 06:21:29,919 INFO L495 AbstractCegarLoop]: Abstraction has has 534 places, 539 transitions, 1256 flow [2023-11-29 06:21:29,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 590.6666666666666) internal successors, (1772), 3 states have internal predecessors, (1772), 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) [2023-11-29 06:21:29,919 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:21:29,920 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:21:29,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-29 06:21:29,920 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting thread2Err35ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 160 more)] === [2023-11-29 06:21:29,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:21:29,920 INFO L85 PathProgramCache]: Analyzing trace with hash 915186969, now seen corresponding path program 1 times [2023-11-29 06:21:29,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:21:29,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554455430] [2023-11-29 06:21:29,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:21:29,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:21:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:21:29,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:21:29,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:21:29,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554455430] [2023-11-29 06:21:29,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554455430] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:21:29,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:21:29,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:21:29,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547000346] [2023-11-29 06:21:29,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:21:29,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:21:29,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:21:29,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:21:29,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:21:30,139 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 585 out of 648 [2023-11-29 06:21:30,140 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 534 places, 539 transitions, 1256 flow. Second operand has 3 states, 3 states have (on average 591.6666666666666) internal successors, (1775), 3 states have internal predecessors, (1775), 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) [2023-11-29 06:21:30,140 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:21:30,140 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 585 of 648 [2023-11-29 06:21:30,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:21:30,663 INFO L124 PetriNetUnfolderBase]: 251/3451 cut-off events. [2023-11-29 06:21:30,663 INFO L125 PetriNetUnfolderBase]: For 295/297 co-relation queries the response was YES. [2023-11-29 06:21:30,674 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4331 conditions, 3451 events. 251/3451 cut-off events. For 295/297 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 25669 event pairs, 116 based on Foata normal form. 0/3272 useless extension candidates. Maximal degree in co-relation 4279. Up to 418 conditions per place. [2023-11-29 06:21:30,675 INFO L140 encePairwiseOnDemand]: 645/648 looper letters, 0 selfloop transitions, 0 changer transitions 539/539 dead transitions. [2023-11-29 06:21:30,675 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 535 places, 539 transitions, 1343 flow [2023-11-29 06:21:30,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:21:30,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:21:30,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1799 transitions. [2023-11-29 06:21:30,681 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9254115226337448 [2023-11-29 06:21:30,681 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1799 transitions. [2023-11-29 06:21:30,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1799 transitions. [2023-11-29 06:21:30,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:21:30,681 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1799 transitions. [2023-11-29 06:21:30,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 599.6666666666666) internal successors, (1799), 3 states have internal predecessors, (1799), 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) [2023-11-29 06:21:30,684 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 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) [2023-11-29 06:21:30,685 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 648.0) internal successors, (2592), 4 states have internal predecessors, (2592), 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) [2023-11-29 06:21:30,685 INFO L175 Difference]: Start difference. First operand has 534 places, 539 transitions, 1256 flow. Second operand 3 states and 1799 transitions. [2023-11-29 06:21:30,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 535 places, 539 transitions, 1343 flow [2023-11-29 06:21:30,688 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 533 places, 539 transitions, 1339 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:21:30,692 INFO L231 Difference]: Finished difference. Result has 533 places, 0 transitions, 0 flow [2023-11-29 06:21:30,692 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=1250, PETRI_DIFFERENCE_MINUEND_PLACES=531, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=538, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=538, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=533, PETRI_TRANSITIONS=0} [2023-11-29 06:21:30,693 INFO L281 CegarLoopForPetriNet]: 599 programPoint places, -66 predicate places. [2023-11-29 06:21:30,693 INFO L495 AbstractCegarLoop]: Abstraction has has 533 places, 0 transitions, 0 flow [2023-11-29 06:21:30,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 591.6666666666666) internal successors, (1775), 3 states have internal predecessors, (1775), 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) [2023-11-29 06:21:30,695 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (163 of 164 remaining) [2023-11-29 06:21:30,695 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (162 of 164 remaining) [2023-11-29 06:21:30,696 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (161 of 164 remaining) [2023-11-29 06:21:30,696 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (160 of 164 remaining) [2023-11-29 06:21:30,696 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (159 of 164 remaining) [2023-11-29 06:21:30,696 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (158 of 164 remaining) [2023-11-29 06:21:30,696 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (157 of 164 remaining) [2023-11-29 06:21:30,696 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (156 of 164 remaining) [2023-11-29 06:21:30,696 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (155 of 164 remaining) [2023-11-29 06:21:30,696 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err36ASSERT_VIOLATIONDATA_RACE (154 of 164 remaining) [2023-11-29 06:21:30,696 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (153 of 164 remaining) [2023-11-29 06:21:30,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err37ASSERT_VIOLATIONDATA_RACE (152 of 164 remaining) [2023-11-29 06:21:30,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err44ASSERT_VIOLATIONDATA_RACE (151 of 164 remaining) [2023-11-29 06:21:30,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (150 of 164 remaining) [2023-11-29 06:21:30,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err45ASSERT_VIOLATIONDATA_RACE (149 of 164 remaining) [2023-11-29 06:21:30,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err52ASSERT_VIOLATIONDATA_RACE (148 of 164 remaining) [2023-11-29 06:21:30,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err38ASSERT_VIOLATIONDATA_RACE (147 of 164 remaining) [2023-11-29 06:21:30,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (146 of 164 remaining) [2023-11-29 06:21:30,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err39ASSERT_VIOLATIONDATA_RACE (145 of 164 remaining) [2023-11-29 06:21:30,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err53ASSERT_VIOLATIONDATA_RACE (144 of 164 remaining) [2023-11-29 06:21:30,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err60ASSERT_VIOLATIONDATA_RACE (143 of 164 remaining) [2023-11-29 06:21:30,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err46ASSERT_VIOLATIONDATA_RACE (142 of 164 remaining) [2023-11-29 06:21:30,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err47ASSERT_VIOLATIONDATA_RACE (141 of 164 remaining) [2023-11-29 06:21:30,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err61ASSERT_VIOLATIONDATA_RACE (140 of 164 remaining) [2023-11-29 06:21:30,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (139 of 164 remaining) [2023-11-29 06:21:30,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err54ASSERT_VIOLATIONDATA_RACE (138 of 164 remaining) [2023-11-29 06:21:30,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err40ASSERT_VIOLATIONDATA_RACE (137 of 164 remaining) [2023-11-29 06:21:30,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (136 of 164 remaining) [2023-11-29 06:21:30,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err55ASSERT_VIOLATIONDATA_RACE (135 of 164 remaining) [2023-11-29 06:21:30,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err41ASSERT_VIOLATIONDATA_RACE (134 of 164 remaining) [2023-11-29 06:21:30,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err62ASSERT_VIOLATIONDATA_RACE (133 of 164 remaining) [2023-11-29 06:21:30,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err48ASSERT_VIOLATIONDATA_RACE (132 of 164 remaining) [2023-11-29 06:21:30,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err63ASSERT_VIOLATIONDATA_RACE (131 of 164 remaining) [2023-11-29 06:21:30,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err49ASSERT_VIOLATIONDATA_RACE (130 of 164 remaining) [2023-11-29 06:21:30,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err56ASSERT_VIOLATIONDATA_RACE (129 of 164 remaining) [2023-11-29 06:21:30,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (128 of 164 remaining) [2023-11-29 06:21:30,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err42ASSERT_VIOLATIONDATA_RACE (127 of 164 remaining) [2023-11-29 06:21:30,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err57ASSERT_VIOLATIONDATA_RACE (126 of 164 remaining) [2023-11-29 06:21:30,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err64ASSERT_VIOLATIONDATA_RACE (125 of 164 remaining) [2023-11-29 06:21:30,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (124 of 164 remaining) [2023-11-29 06:21:30,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err50ASSERT_VIOLATIONDATA_RACE (123 of 164 remaining) [2023-11-29 06:21:30,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err65ASSERT_VIOLATIONDATA_RACE (122 of 164 remaining) [2023-11-29 06:21:30,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err43ASSERT_VIOLATIONDATA_RACE (121 of 164 remaining) [2023-11-29 06:21:30,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err58ASSERT_VIOLATIONDATA_RACE (120 of 164 remaining) [2023-11-29 06:21:30,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err51ASSERT_VIOLATIONDATA_RACE (119 of 164 remaining) [2023-11-29 06:21:30,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err66ASSERT_VIOLATIONDATA_RACE (118 of 164 remaining) [2023-11-29 06:21:30,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (117 of 164 remaining) [2023-11-29 06:21:30,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err59ASSERT_VIOLATIONDATA_RACE (116 of 164 remaining) [2023-11-29 06:21:30,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err67ASSERT_VIOLATIONDATA_RACE (115 of 164 remaining) [2023-11-29 06:21:30,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (114 of 164 remaining) [2023-11-29 06:21:30,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (113 of 164 remaining) [2023-11-29 06:21:30,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (112 of 164 remaining) [2023-11-29 06:21:30,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (111 of 164 remaining) [2023-11-29 06:21:30,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (110 of 164 remaining) [2023-11-29 06:21:30,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (109 of 164 remaining) [2023-11-29 06:21:30,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (108 of 164 remaining) [2023-11-29 06:21:30,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (107 of 164 remaining) [2023-11-29 06:21:30,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (106 of 164 remaining) [2023-11-29 06:21:30,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (105 of 164 remaining) [2023-11-29 06:21:30,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (104 of 164 remaining) [2023-11-29 06:21:30,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (103 of 164 remaining) [2023-11-29 06:21:30,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (102 of 164 remaining) [2023-11-29 06:21:30,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (101 of 164 remaining) [2023-11-29 06:21:30,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (100 of 164 remaining) [2023-11-29 06:21:30,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (99 of 164 remaining) [2023-11-29 06:21:30,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (98 of 164 remaining) [2023-11-29 06:21:30,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (97 of 164 remaining) [2023-11-29 06:21:30,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (96 of 164 remaining) [2023-11-29 06:21:30,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (95 of 164 remaining) [2023-11-29 06:21:30,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (94 of 164 remaining) [2023-11-29 06:21:30,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (93 of 164 remaining) [2023-11-29 06:21:30,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (92 of 164 remaining) [2023-11-29 06:21:30,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (91 of 164 remaining) [2023-11-29 06:21:30,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (90 of 164 remaining) [2023-11-29 06:21:30,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (89 of 164 remaining) [2023-11-29 06:21:30,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (88 of 164 remaining) [2023-11-29 06:21:30,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (87 of 164 remaining) [2023-11-29 06:21:30,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (86 of 164 remaining) [2023-11-29 06:21:30,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (85 of 164 remaining) [2023-11-29 06:21:30,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (84 of 164 remaining) [2023-11-29 06:21:30,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (83 of 164 remaining) [2023-11-29 06:21:30,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (82 of 164 remaining) [2023-11-29 06:21:30,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (81 of 164 remaining) [2023-11-29 06:21:30,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (80 of 164 remaining) [2023-11-29 06:21:30,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (79 of 164 remaining) [2023-11-29 06:21:30,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (78 of 164 remaining) [2023-11-29 06:21:30,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (77 of 164 remaining) [2023-11-29 06:21:30,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (76 of 164 remaining) [2023-11-29 06:21:30,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (75 of 164 remaining) [2023-11-29 06:21:30,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (74 of 164 remaining) [2023-11-29 06:21:30,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (73 of 164 remaining) [2023-11-29 06:21:30,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (72 of 164 remaining) [2023-11-29 06:21:30,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (71 of 164 remaining) [2023-11-29 06:21:30,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (70 of 164 remaining) [2023-11-29 06:21:30,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (69 of 164 remaining) [2023-11-29 06:21:30,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (68 of 164 remaining) [2023-11-29 06:21:30,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (67 of 164 remaining) [2023-11-29 06:21:30,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err36ASSERT_VIOLATIONDATA_RACE (66 of 164 remaining) [2023-11-29 06:21:30,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (65 of 164 remaining) [2023-11-29 06:21:30,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err37ASSERT_VIOLATIONDATA_RACE (64 of 164 remaining) [2023-11-29 06:21:30,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err44ASSERT_VIOLATIONDATA_RACE (63 of 164 remaining) [2023-11-29 06:21:30,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (62 of 164 remaining) [2023-11-29 06:21:30,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err45ASSERT_VIOLATIONDATA_RACE (61 of 164 remaining) [2023-11-29 06:21:30,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err52ASSERT_VIOLATIONDATA_RACE (60 of 164 remaining) [2023-11-29 06:21:30,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err38ASSERT_VIOLATIONDATA_RACE (59 of 164 remaining) [2023-11-29 06:21:30,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (58 of 164 remaining) [2023-11-29 06:21:30,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err39ASSERT_VIOLATIONDATA_RACE (57 of 164 remaining) [2023-11-29 06:21:30,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err53ASSERT_VIOLATIONDATA_RACE (56 of 164 remaining) [2023-11-29 06:21:30,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err60ASSERT_VIOLATIONDATA_RACE (55 of 164 remaining) [2023-11-29 06:21:30,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err46ASSERT_VIOLATIONDATA_RACE (54 of 164 remaining) [2023-11-29 06:21:30,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err47ASSERT_VIOLATIONDATA_RACE (53 of 164 remaining) [2023-11-29 06:21:30,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err61ASSERT_VIOLATIONDATA_RACE (52 of 164 remaining) [2023-11-29 06:21:30,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (51 of 164 remaining) [2023-11-29 06:21:30,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err54ASSERT_VIOLATIONDATA_RACE (50 of 164 remaining) [2023-11-29 06:21:30,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err40ASSERT_VIOLATIONDATA_RACE (49 of 164 remaining) [2023-11-29 06:21:30,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (48 of 164 remaining) [2023-11-29 06:21:30,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err55ASSERT_VIOLATIONDATA_RACE (47 of 164 remaining) [2023-11-29 06:21:30,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err41ASSERT_VIOLATIONDATA_RACE (46 of 164 remaining) [2023-11-29 06:21:30,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err62ASSERT_VIOLATIONDATA_RACE (45 of 164 remaining) [2023-11-29 06:21:30,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err48ASSERT_VIOLATIONDATA_RACE (44 of 164 remaining) [2023-11-29 06:21:30,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err63ASSERT_VIOLATIONDATA_RACE (43 of 164 remaining) [2023-11-29 06:21:30,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err49ASSERT_VIOLATIONDATA_RACE (42 of 164 remaining) [2023-11-29 06:21:30,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err56ASSERT_VIOLATIONDATA_RACE (41 of 164 remaining) [2023-11-29 06:21:30,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (40 of 164 remaining) [2023-11-29 06:21:30,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err42ASSERT_VIOLATIONDATA_RACE (39 of 164 remaining) [2023-11-29 06:21:30,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err57ASSERT_VIOLATIONDATA_RACE (38 of 164 remaining) [2023-11-29 06:21:30,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err64ASSERT_VIOLATIONDATA_RACE (37 of 164 remaining) [2023-11-29 06:21:30,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (36 of 164 remaining) [2023-11-29 06:21:30,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err50ASSERT_VIOLATIONDATA_RACE (35 of 164 remaining) [2023-11-29 06:21:30,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err65ASSERT_VIOLATIONDATA_RACE (34 of 164 remaining) [2023-11-29 06:21:30,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err43ASSERT_VIOLATIONDATA_RACE (33 of 164 remaining) [2023-11-29 06:21:30,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err58ASSERT_VIOLATIONDATA_RACE (32 of 164 remaining) [2023-11-29 06:21:30,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err51ASSERT_VIOLATIONDATA_RACE (31 of 164 remaining) [2023-11-29 06:21:30,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err66ASSERT_VIOLATIONDATA_RACE (30 of 164 remaining) [2023-11-29 06:21:30,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (29 of 164 remaining) [2023-11-29 06:21:30,710 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err59ASSERT_VIOLATIONDATA_RACE (28 of 164 remaining) [2023-11-29 06:21:30,710 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err67ASSERT_VIOLATIONDATA_RACE (27 of 164 remaining) [2023-11-29 06:21:30,710 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (26 of 164 remaining) [2023-11-29 06:21:30,710 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (25 of 164 remaining) [2023-11-29 06:21:30,710 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (24 of 164 remaining) [2023-11-29 06:21:30,710 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (23 of 164 remaining) [2023-11-29 06:21:30,710 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (22 of 164 remaining) [2023-11-29 06:21:30,710 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (21 of 164 remaining) [2023-11-29 06:21:30,711 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (20 of 164 remaining) [2023-11-29 06:21:30,711 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (19 of 164 remaining) [2023-11-29 06:21:30,711 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (18 of 164 remaining) [2023-11-29 06:21:30,711 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (17 of 164 remaining) [2023-11-29 06:21:30,711 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (16 of 164 remaining) [2023-11-29 06:21:30,711 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (15 of 164 remaining) [2023-11-29 06:21:30,711 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (14 of 164 remaining) [2023-11-29 06:21:30,711 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (13 of 164 remaining) [2023-11-29 06:21:30,711 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (12 of 164 remaining) [2023-11-29 06:21:30,712 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (11 of 164 remaining) [2023-11-29 06:21:30,712 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (10 of 164 remaining) [2023-11-29 06:21:30,712 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (9 of 164 remaining) [2023-11-29 06:21:30,712 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (8 of 164 remaining) [2023-11-29 06:21:30,712 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (7 of 164 remaining) [2023-11-29 06:21:30,712 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (6 of 164 remaining) [2023-11-29 06:21:30,712 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (5 of 164 remaining) [2023-11-29 06:21:30,712 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (4 of 164 remaining) [2023-11-29 06:21:30,713 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (3 of 164 remaining) [2023-11-29 06:21:30,713 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (2 of 164 remaining) [2023-11-29 06:21:30,713 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (1 of 164 remaining) [2023-11-29 06:21:30,713 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (0 of 164 remaining) [2023-11-29 06:21:30,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 06:21:30,713 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:21:30,721 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 06:21:30,721 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 06:21:30,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:21:30 BasicIcfg [2023-11-29 06:21:30,727 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 06:21:30,728 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:21:30,728 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:21:30,728 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:21:30,728 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:21:06" (3/4) ... [2023-11-29 06:21:30,729 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 06:21:30,733 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-29 06:21:30,733 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-29 06:21:30,740 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-29 06:21:30,740 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 06:21:30,740 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 06:21:30,741 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 06:21:30,836 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098566a3-d8ab-4bfd-af8f-e9c89200cda7/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 06:21:30,836 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098566a3-d8ab-4bfd-af8f-e9c89200cda7/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 06:21:30,837 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:21:30,837 INFO L158 Benchmark]: Toolchain (without parser) took 25768.61ms. Allocated memory was 197.1MB in the beginning and 1.0GB in the end (delta: 807.4MB). Free memory was 158.7MB in the beginning and 702.6MB in the end (delta: -543.9MB). Peak memory consumption was 265.3MB. Max. memory is 16.1GB. [2023-11-29 06:21:30,838 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 119.5MB. Free memory was 85.8MB in the beginning and 85.8MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:21:30,838 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.86ms. Allocated memory is still 197.1MB. Free memory was 158.7MB in the beginning and 144.9MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 06:21:30,838 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.78ms. Allocated memory is still 197.1MB. Free memory was 144.9MB in the beginning and 140.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 06:21:30,839 INFO L158 Benchmark]: Boogie Preprocessor took 66.55ms. Allocated memory is still 197.1MB. Free memory was 140.7MB in the beginning and 137.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:21:30,839 INFO L158 Benchmark]: RCFGBuilder took 977.74ms. Allocated memory is still 197.1MB. Free memory was 137.4MB in the beginning and 90.4MB in the end (delta: 47.0MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-29 06:21:30,840 INFO L158 Benchmark]: TraceAbstraction took 24205.33ms. Allocated memory was 197.1MB in the beginning and 1.0GB in the end (delta: 807.4MB). Free memory was 89.5MB in the beginning and 708.9MB in the end (delta: -619.4MB). Peak memory consumption was 671.1MB. Max. memory is 16.1GB. [2023-11-29 06:21:30,840 INFO L158 Benchmark]: Witness Printer took 109.09ms. Allocated memory is still 1.0GB. Free memory was 708.9MB in the beginning and 702.6MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 06:21:30,842 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 119.5MB. Free memory was 85.8MB in the beginning and 85.8MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.86ms. Allocated memory is still 197.1MB. Free memory was 158.7MB in the beginning and 144.9MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.78ms. Allocated memory is still 197.1MB. Free memory was 144.9MB in the beginning and 140.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.55ms. Allocated memory is still 197.1MB. Free memory was 140.7MB in the beginning and 137.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 977.74ms. Allocated memory is still 197.1MB. Free memory was 137.4MB in the beginning and 90.4MB in the end (delta: 47.0MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * TraceAbstraction took 24205.33ms. Allocated memory was 197.1MB in the beginning and 1.0GB in the end (delta: 807.4MB). Free memory was 89.5MB in the beginning and 708.9MB in the end (delta: -619.4MB). Peak memory consumption was 671.1MB. Max. memory is 16.1GB. * Witness Printer took 109.09ms. Allocated memory is still 1.0GB. Free memory was 708.9MB in the beginning and 702.6MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: 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: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: 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: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: 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: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: 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, 1081 locations, 164 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: 23.9s, OverallIterations: 26, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 20.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5015 SdHoareTripleChecker+Valid, 5.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1949 mSDsluCounter, 728 SdHoareTripleChecker+Invalid, 4.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 115 mSDsCounter, 935 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5506 IncrementalHoareTripleChecker+Invalid, 6441 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 935 mSolverCounterUnsat, 613 mSDtfsCounter, 5506 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1368occurred in iteration=17, InterpolantAutomatonStates: 99, 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, 2.9s InterpolantComputationTime, 2781 NumberOfCodeBlocks, 2781 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 2755 ConstructedInterpolants, 0 QuantifiedInterpolants, 3780 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 86 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 06:21:30,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098566a3-d8ab-4bfd-af8f-e9c89200cda7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE