./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-sum-array-hom.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31f5569-bfd0-4049-a052-c7468fc3822a/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31f5569-bfd0-4049-a052-c7468fc3822a/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_b31f5569-bfd0-4049-a052-c7468fc3822a/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31f5569-bfd0-4049-a052-c7468fc3822a/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-sum-array-hom.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31f5569-bfd0-4049-a052-c7468fc3822a/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_b31f5569-bfd0-4049-a052-c7468fc3822a/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 37731ec014f4053387ac8b56c0764486866d63670c206743514c9636df9b594a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:41:48,721 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:41:48,786 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31f5569-bfd0-4049-a052-c7468fc3822a/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 02:41:48,790 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:41:48,791 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:41:48,813 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:41:48,814 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:41:48,815 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:41:48,815 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:41:48,816 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:41:48,817 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:41:48,817 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:41:48,818 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:41:48,818 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:41:48,819 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:41:48,819 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:41:48,820 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:41:48,820 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:41:48,821 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:41:48,821 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:41:48,822 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:41:48,822 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:41:48,823 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 02:41:48,823 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 02:41:48,824 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:41:48,824 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:41:48,824 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:41:48,825 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:41:48,825 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:41:48,826 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:41:48,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:41:48,826 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:41:48,827 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:41:48,827 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:41:48,827 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:41:48,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:41:48,828 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:41:48,828 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:41:48,828 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:41:48,828 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:41:48,829 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:41:48,829 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_b31f5569-bfd0-4049-a052-c7468fc3822a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31f5569-bfd0-4049-a052-c7468fc3822a/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37731ec014f4053387ac8b56c0764486866d63670c206743514c9636df9b594a [2023-11-29 02:41:49,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:41:49,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:41:49,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:41:49,068 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:41:49,069 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:41:49,070 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31f5569-bfd0-4049-a052-c7468fc3822a/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/popl20-more-sum-array-hom.wvr.c [2023-11-29 02:41:51,857 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:41:52,039 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:41:52,039 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31f5569-bfd0-4049-a052-c7468fc3822a/sv-benchmarks/c/weaver/popl20-more-sum-array-hom.wvr.c [2023-11-29 02:41:52,047 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31f5569-bfd0-4049-a052-c7468fc3822a/bin/uautomizer-verify-BQ2R08f2Ya/data/f0bcb2039/e17c38beca8b48c5acfe1a2ec47b2c3d/FLAGfa06a391b [2023-11-29 02:41:52,059 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31f5569-bfd0-4049-a052-c7468fc3822a/bin/uautomizer-verify-BQ2R08f2Ya/data/f0bcb2039/e17c38beca8b48c5acfe1a2ec47b2c3d [2023-11-29 02:41:52,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:41:52,063 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:41:52,064 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:41:52,065 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:41:52,070 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:41:52,071 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:41:52" (1/1) ... [2023-11-29 02:41:52,072 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71870e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:52, skipping insertion in model container [2023-11-29 02:41:52,072 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:41:52" (1/1) ... [2023-11-29 02:41:52,097 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:41:52,284 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:41:52,294 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:41:52,325 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:41:52,337 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:41:52,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:52 WrapperNode [2023-11-29 02:41:52,338 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:41:52,339 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:41:52,339 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:41:52,340 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:41:52,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:52" (1/1) ... [2023-11-29 02:41:52,358 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:52" (1/1) ... [2023-11-29 02:41:52,387 INFO L138 Inliner]: procedures = 25, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 159 [2023-11-29 02:41:52,387 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:41:52,388 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:41:52,388 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:41:52,388 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:41:52,398 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:52" (1/1) ... [2023-11-29 02:41:52,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:52" (1/1) ... [2023-11-29 02:41:52,403 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:52" (1/1) ... [2023-11-29 02:41:52,404 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:52" (1/1) ... [2023-11-29 02:41:52,418 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:52" (1/1) ... [2023-11-29 02:41:52,422 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:52" (1/1) ... [2023-11-29 02:41:52,424 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:52" (1/1) ... [2023-11-29 02:41:52,426 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:52" (1/1) ... [2023-11-29 02:41:52,430 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:41:52,431 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:41:52,431 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:41:52,431 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:41:52,432 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:52" (1/1) ... [2023-11-29 02:41:52,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:41:52,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31f5569-bfd0-4049-a052-c7468fc3822a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:41:52,462 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31f5569-bfd0-4049-a052-c7468fc3822a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:41:52,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31f5569-bfd0-4049-a052-c7468fc3822a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:41:52,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:41:52,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 02:41:52,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 02:41:52,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 02:41:52,500 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 02:41:52,500 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 02:41:52,500 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 02:41:52,500 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 02:41:52,500 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-29 02:41:52,501 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-29 02:41:52,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 02:41:52,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 02:41:52,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:41:52,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:41:52,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 02:41:52,503 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 02:41:52,622 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:41:52,624 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:41:52,998 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:41:53,015 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:41:53,015 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-29 02:41:53,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:41:53 BoogieIcfgContainer [2023-11-29 02:41:53,017 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:41:53,019 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:41:53,019 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:41:53,023 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:41:53,023 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:41:52" (1/3) ... [2023-11-29 02:41:53,023 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6920180a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:41:53, skipping insertion in model container [2023-11-29 02:41:53,024 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:41:52" (2/3) ... [2023-11-29 02:41:53,024 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6920180a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:41:53, skipping insertion in model container [2023-11-29 02:41:53,024 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:41:53" (3/3) ... [2023-11-29 02:41:53,025 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-sum-array-hom.wvr.c [2023-11-29 02:41:53,034 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 02:41:53,045 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:41:53,045 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2023-11-29 02:41:53,046 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 02:41:53,164 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-29 02:41:53,205 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 295 places, 298 transitions, 617 flow [2023-11-29 02:41:53,308 INFO L124 PetriNetUnfolderBase]: 13/295 cut-off events. [2023-11-29 02:41:53,309 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-29 02:41:53,317 INFO L83 FinitePrefix]: Finished finitePrefix Result has 308 conditions, 295 events. 13/295 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 464 event pairs, 0 based on Foata normal form. 0/252 useless extension candidates. Maximal degree in co-relation 201. Up to 2 conditions per place. [2023-11-29 02:41:53,317 INFO L82 GeneralOperation]: Start removeDead. Operand has 295 places, 298 transitions, 617 flow [2023-11-29 02:41:53,325 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 270 places, 272 transitions, 562 flow [2023-11-29 02:41:53,336 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:41:53,343 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;@6312b9a2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:41:53,343 INFO L358 AbstractCegarLoop]: Starting to check reachability of 49 error locations. [2023-11-29 02:41:53,348 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 02:41:53,348 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2023-11-29 02:41:53,348 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 02:41:53,349 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:41:53,349 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] [2023-11-29 02:41:53,350 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2023-11-29 02:41:53,355 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:41:53,355 INFO L85 PathProgramCache]: Analyzing trace with hash 417052589, now seen corresponding path program 1 times [2023-11-29 02:41:53,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:41:53,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513380462] [2023-11-29 02:41:53,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:41:53,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:41:53,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:53,552 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 02:41:53,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:41:53,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513380462] [2023-11-29 02:41:53,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513380462] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:41:53,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:41:53,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:41:53,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364568893] [2023-11-29 02:41:53,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:41:53,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:41:53,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:41:53,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:41:53,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:41:53,636 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 272 out of 298 [2023-11-29 02:41:53,642 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 272 transitions, 562 flow. Second operand has 3 states, 3 states have (on average 273.3333333333333) internal successors, (820), 3 states have internal predecessors, (820), 0 states have call successors, (0), 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 02:41:53,642 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:41:53,642 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 272 of 298 [2023-11-29 02:41:53,643 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:41:53,771 INFO L124 PetriNetUnfolderBase]: 19/473 cut-off events. [2023-11-29 02:41:53,771 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2023-11-29 02:41:53,774 INFO L83 FinitePrefix]: Finished finitePrefix Result has 525 conditions, 473 events. 19/473 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1615 event pairs, 7 based on Foata normal form. 16/408 useless extension candidates. Maximal degree in co-relation 331. Up to 31 conditions per place. [2023-11-29 02:41:53,779 INFO L140 encePairwiseOnDemand]: 288/298 looper letters, 13 selfloop transitions, 2 changer transitions 3/264 dead transitions. [2023-11-29 02:41:53,779 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 264 transitions, 576 flow [2023-11-29 02:41:53,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:41:53,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:41:53,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 839 transitions. [2023-11-29 02:41:53,797 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9384787472035794 [2023-11-29 02:41:53,797 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 839 transitions. [2023-11-29 02:41:53,798 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 839 transitions. [2023-11-29 02:41:53,801 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:41:53,803 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 839 transitions. [2023-11-29 02:41:53,809 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 279.6666666666667) internal successors, (839), 3 states have internal predecessors, (839), 0 states have call successors, (0), 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 02:41:53,816 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:41:53,818 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:41:53,820 INFO L175 Difference]: Start difference. First operand has 270 places, 272 transitions, 562 flow. Second operand 3 states and 839 transitions. [2023-11-29 02:41:53,821 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 264 transitions, 576 flow [2023-11-29 02:41:53,826 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 265 places, 264 transitions, 564 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-29 02:41:53,833 INFO L231 Difference]: Finished difference. Result has 265 places, 261 transitions, 532 flow [2023-11-29 02:41:53,836 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=534, PETRI_DIFFERENCE_MINUEND_PLACES=263, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=262, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=532, PETRI_PLACES=265, PETRI_TRANSITIONS=261} [2023-11-29 02:41:53,839 INFO L281 CegarLoopForPetriNet]: 270 programPoint places, -5 predicate places. [2023-11-29 02:41:53,840 INFO L495 AbstractCegarLoop]: Abstraction has has 265 places, 261 transitions, 532 flow [2023-11-29 02:41:53,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 273.3333333333333) internal successors, (820), 3 states have internal predecessors, (820), 0 states have call successors, (0), 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 02:41:53,841 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:41:53,841 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] [2023-11-29 02:41:53,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 02:41:53,841 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2023-11-29 02:41:53,842 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:41:53,842 INFO L85 PathProgramCache]: Analyzing trace with hash 622631830, now seen corresponding path program 1 times [2023-11-29 02:41:53,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:41:53,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535645733] [2023-11-29 02:41:53,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:41:53,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:41:53,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:53,904 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 02:41:53,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:41:53,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535645733] [2023-11-29 02:41:53,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535645733] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:41:53,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:41:53,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:41:53,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629547187] [2023-11-29 02:41:53,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:41:53,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:41:53,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:41:53,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:41:53,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:41:53,964 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 272 out of 298 [2023-11-29 02:41:53,966 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 261 transitions, 532 flow. Second operand has 3 states, 3 states have (on average 273.3333333333333) internal successors, (820), 3 states have internal predecessors, (820), 0 states have call successors, (0), 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 02:41:53,966 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:41:53,966 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 272 of 298 [2023-11-29 02:41:53,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:41:54,051 INFO L124 PetriNetUnfolderBase]: 13/379 cut-off events. [2023-11-29 02:41:54,051 INFO L125 PetriNetUnfolderBase]: For 5/8 co-relation queries the response was YES. [2023-11-29 02:41:54,053 INFO L83 FinitePrefix]: Finished finitePrefix Result has 417 conditions, 379 events. 13/379 cut-off events. For 5/8 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1152 event pairs, 5 based on Foata normal form. 0/324 useless extension candidates. Maximal degree in co-relation 386. Up to 27 conditions per place. [2023-11-29 02:41:54,056 INFO L140 encePairwiseOnDemand]: 295/298 looper letters, 13 selfloop transitions, 2 changer transitions 0/260 dead transitions. [2023-11-29 02:41:54,056 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 260 transitions, 560 flow [2023-11-29 02:41:54,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:41:54,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:41:54,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 832 transitions. [2023-11-29 02:41:54,060 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.930648769574944 [2023-11-29 02:41:54,060 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 832 transitions. [2023-11-29 02:41:54,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 832 transitions. [2023-11-29 02:41:54,061 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:41:54,061 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 832 transitions. [2023-11-29 02:41:54,064 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 277.3333333333333) internal successors, (832), 3 states have internal predecessors, (832), 0 states have call successors, (0), 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 02:41:54,066 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:41:54,067 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:41:54,068 INFO L175 Difference]: Start difference. First operand has 265 places, 261 transitions, 532 flow. Second operand 3 states and 832 transitions. [2023-11-29 02:41:54,068 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 260 transitions, 560 flow [2023-11-29 02:41:54,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 260 transitions, 556 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:41:54,075 INFO L231 Difference]: Finished difference. Result has 261 places, 260 transitions, 530 flow [2023-11-29 02:41:54,076 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=526, PETRI_DIFFERENCE_MINUEND_PLACES=259, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=530, PETRI_PLACES=261, PETRI_TRANSITIONS=260} [2023-11-29 02:41:54,077 INFO L281 CegarLoopForPetriNet]: 270 programPoint places, -9 predicate places. [2023-11-29 02:41:54,077 INFO L495 AbstractCegarLoop]: Abstraction has has 261 places, 260 transitions, 530 flow [2023-11-29 02:41:54,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 273.3333333333333) internal successors, (820), 3 states have internal predecessors, (820), 0 states have call successors, (0), 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 02:41:54,078 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:41:54,078 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] [2023-11-29 02:41:54,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 02:41:54,078 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2023-11-29 02:41:54,079 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:41:54,079 INFO L85 PathProgramCache]: Analyzing trace with hash -930132728, now seen corresponding path program 1 times [2023-11-29 02:41:54,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:41:54,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493889767] [2023-11-29 02:41:54,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:41:54,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:41:54,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:54,128 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 02:41:54,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:41:54,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493889767] [2023-11-29 02:41:54,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493889767] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:41:54,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:41:54,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:41:54,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319372220] [2023-11-29 02:41:54,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:41:54,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:41:54,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:41:54,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:41:54,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:41:54,151 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 270 out of 298 [2023-11-29 02:41:54,152 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 260 transitions, 530 flow. Second operand has 3 states, 3 states have (on average 271.0) internal successors, (813), 3 states have internal predecessors, (813), 0 states have call successors, (0), 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 02:41:54,153 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:41:54,153 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 270 of 298 [2023-11-29 02:41:54,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:41:54,261 INFO L124 PetriNetUnfolderBase]: 25/500 cut-off events. [2023-11-29 02:41:54,261 INFO L125 PetriNetUnfolderBase]: For 8/14 co-relation queries the response was YES. [2023-11-29 02:41:54,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 559 conditions, 500 events. 25/500 cut-off events. For 8/14 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1916 event pairs, 12 based on Foata normal form. 0/426 useless extension candidates. Maximal degree in co-relation 520. Up to 46 conditions per place. [2023-11-29 02:41:54,267 INFO L140 encePairwiseOnDemand]: 293/298 looper letters, 14 selfloop transitions, 1 changer transitions 0/256 dead transitions. [2023-11-29 02:41:54,267 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 256 transitions, 552 flow [2023-11-29 02:41:54,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:41:54,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:41:54,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 829 transitions. [2023-11-29 02:41:54,271 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9272930648769575 [2023-11-29 02:41:54,271 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 829 transitions. [2023-11-29 02:41:54,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 829 transitions. [2023-11-29 02:41:54,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:41:54,272 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 829 transitions. [2023-11-29 02:41:54,274 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 276.3333333333333) internal successors, (829), 3 states have internal predecessors, (829), 0 states have call successors, (0), 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 02:41:54,277 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:41:54,278 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:41:54,278 INFO L175 Difference]: Start difference. First operand has 261 places, 260 transitions, 530 flow. Second operand 3 states and 829 transitions. [2023-11-29 02:41:54,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 256 transitions, 552 flow [2023-11-29 02:41:54,281 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 256 transitions, 548 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:41:54,285 INFO L231 Difference]: Finished difference. Result has 257 places, 256 transitions, 520 flow [2023-11-29 02:41:54,286 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=518, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=255, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=520, PETRI_PLACES=257, PETRI_TRANSITIONS=256} [2023-11-29 02:41:54,286 INFO L281 CegarLoopForPetriNet]: 270 programPoint places, -13 predicate places. [2023-11-29 02:41:54,287 INFO L495 AbstractCegarLoop]: Abstraction has has 257 places, 256 transitions, 520 flow [2023-11-29 02:41:54,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 271.0) internal successors, (813), 3 states have internal predecessors, (813), 0 states have call successors, (0), 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 02:41:54,288 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:41:54,288 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] [2023-11-29 02:41:54,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 02:41:54,288 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2023-11-29 02:41:54,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:41:54,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1144651624, now seen corresponding path program 1 times [2023-11-29 02:41:54,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:41:54,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170404414] [2023-11-29 02:41:54,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:41:54,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:41:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:54,931 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 02:41:54,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:41:54,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170404414] [2023-11-29 02:41:54,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170404414] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:41:54,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:41:54,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:41:54,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645397690] [2023-11-29 02:41:54,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:41:54,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:41:54,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:41:54,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:41:54,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:41:55,245 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 298 [2023-11-29 02:41:55,247 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 256 transitions, 520 flow. Second operand has 6 states, 6 states have (on average 246.5) internal successors, (1479), 6 states have internal predecessors, (1479), 0 states have call successors, (0), 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 02:41:55,247 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:41:55,247 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 298 [2023-11-29 02:41:55,248 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:41:56,746 INFO L124 PetriNetUnfolderBase]: 2114/8588 cut-off events. [2023-11-29 02:41:56,747 INFO L125 PetriNetUnfolderBase]: For 62/412 co-relation queries the response was YES. [2023-11-29 02:41:56,773 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11546 conditions, 8588 events. 2114/8588 cut-off events. For 62/412 co-relation queries the response was YES. Maximal size of possible extension queue 338. Compared 94441 event pairs, 1640 based on Foata normal form. 0/7012 useless extension candidates. Maximal degree in co-relation 11508. Up to 2919 conditions per place. [2023-11-29 02:41:56,841 INFO L140 encePairwiseOnDemand]: 292/298 looper letters, 38 selfloop transitions, 5 changer transitions 0/255 dead transitions. [2023-11-29 02:41:56,841 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 255 transitions, 604 flow [2023-11-29 02:41:56,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:41:56,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:41:56,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1514 transitions. [2023-11-29 02:41:56,846 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8467561521252797 [2023-11-29 02:41:56,846 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1514 transitions. [2023-11-29 02:41:56,846 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1514 transitions. [2023-11-29 02:41:56,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:41:56,848 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1514 transitions. [2023-11-29 02:41:56,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 252.33333333333334) internal successors, (1514), 6 states have internal predecessors, (1514), 0 states have call successors, (0), 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 02:41:56,857 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 298.0) internal successors, (2086), 7 states have internal predecessors, (2086), 0 states have call successors, (0), 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 02:41:56,858 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 298.0) internal successors, (2086), 7 states have internal predecessors, (2086), 0 states have call successors, (0), 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 02:41:56,858 INFO L175 Difference]: Start difference. First operand has 257 places, 256 transitions, 520 flow. Second operand 6 states and 1514 transitions. [2023-11-29 02:41:56,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 255 transitions, 604 flow [2023-11-29 02:41:56,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 260 places, 255 transitions, 603 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 02:41:56,865 INFO L231 Difference]: Finished difference. Result has 260 places, 255 transitions, 527 flow [2023-11-29 02:41:56,865 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=517, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=527, PETRI_PLACES=260, PETRI_TRANSITIONS=255} [2023-11-29 02:41:56,866 INFO L281 CegarLoopForPetriNet]: 270 programPoint places, -10 predicate places. [2023-11-29 02:41:56,866 INFO L495 AbstractCegarLoop]: Abstraction has has 260 places, 255 transitions, 527 flow [2023-11-29 02:41:56,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 246.5) internal successors, (1479), 6 states have internal predecessors, (1479), 0 states have call successors, (0), 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 02:41:56,868 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:41:56,868 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] [2023-11-29 02:41:56,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 02:41:56,868 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2023-11-29 02:41:56,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:41:56,869 INFO L85 PathProgramCache]: Analyzing trace with hash -438686536, now seen corresponding path program 1 times [2023-11-29 02:41:56,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:41:56,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181037451] [2023-11-29 02:41:56,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:41:56,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:41:56,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:56,909 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 02:41:56,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:41:56,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181037451] [2023-11-29 02:41:56,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181037451] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:41:56,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:41:56,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:41:56,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318299828] [2023-11-29 02:41:56,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:41:56,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:41:56,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:41:56,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:41:56,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:41:56,936 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 273 out of 298 [2023-11-29 02:41:56,937 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 260 places, 255 transitions, 527 flow. Second operand has 3 states, 3 states have (on average 274.3333333333333) internal successors, (823), 3 states have internal predecessors, (823), 0 states have call successors, (0), 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 02:41:56,938 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:41:56,938 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 273 of 298 [2023-11-29 02:41:56,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:41:57,015 INFO L124 PetriNetUnfolderBase]: 24/479 cut-off events. [2023-11-29 02:41:57,015 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-29 02:41:57,017 INFO L83 FinitePrefix]: Finished finitePrefix Result has 536 conditions, 479 events. 24/479 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1957 event pairs, 15 based on Foata normal form. 0/419 useless extension candidates. Maximal degree in co-relation 518. Up to 40 conditions per place. [2023-11-29 02:41:57,020 INFO L140 encePairwiseOnDemand]: 295/298 looper letters, 12 selfloop transitions, 2 changer transitions 0/254 dead transitions. [2023-11-29 02:41:57,020 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 254 transitions, 553 flow [2023-11-29 02:41:57,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:41:57,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:41:57,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 834 transitions. [2023-11-29 02:41:57,023 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9328859060402684 [2023-11-29 02:41:57,023 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 834 transitions. [2023-11-29 02:41:57,023 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 834 transitions. [2023-11-29 02:41:57,024 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:41:57,024 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 834 transitions. [2023-11-29 02:41:57,027 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 278.0) internal successors, (834), 3 states have internal predecessors, (834), 0 states have call successors, (0), 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 02:41:57,029 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:41:57,030 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:41:57,030 INFO L175 Difference]: Start difference. First operand has 260 places, 255 transitions, 527 flow. Second operand 3 states and 834 transitions. [2023-11-29 02:41:57,030 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 254 transitions, 553 flow [2023-11-29 02:41:57,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 254 transitions, 543 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 02:41:57,036 INFO L231 Difference]: Finished difference. Result has 256 places, 254 transitions, 519 flow [2023-11-29 02:41:57,037 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=515, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=519, PETRI_PLACES=256, PETRI_TRANSITIONS=254} [2023-11-29 02:41:57,038 INFO L281 CegarLoopForPetriNet]: 270 programPoint places, -14 predicate places. [2023-11-29 02:41:57,038 INFO L495 AbstractCegarLoop]: Abstraction has has 256 places, 254 transitions, 519 flow [2023-11-29 02:41:57,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 274.3333333333333) internal successors, (823), 3 states have internal predecessors, (823), 0 states have call successors, (0), 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 02:41:57,039 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:41:57,039 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] [2023-11-29 02:41:57,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 02:41:57,039 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2023-11-29 02:41:57,040 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:41:57,040 INFO L85 PathProgramCache]: Analyzing trace with hash -538514102, now seen corresponding path program 1 times [2023-11-29 02:41:57,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:41:57,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519183453] [2023-11-29 02:41:57,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:41:57,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:41:57,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:57,078 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 02:41:57,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:41:57,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519183453] [2023-11-29 02:41:57,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519183453] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:41:57,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:41:57,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:41:57,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033927833] [2023-11-29 02:41:57,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:41:57,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:41:57,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:41:57,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:41:57,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:41:57,098 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 270 out of 298 [2023-11-29 02:41:57,099 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 254 transitions, 519 flow. Second operand has 3 states, 3 states have (on average 271.0) internal successors, (813), 3 states have internal predecessors, (813), 0 states have call successors, (0), 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 02:41:57,099 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:41:57,099 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 270 of 298 [2023-11-29 02:41:57,100 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:41:57,192 INFO L124 PetriNetUnfolderBase]: 37/562 cut-off events. [2023-11-29 02:41:57,192 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2023-11-29 02:41:57,194 INFO L83 FinitePrefix]: Finished finitePrefix Result has 630 conditions, 562 events. 37/562 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2426 event pairs, 20 based on Foata normal form. 0/480 useless extension candidates. Maximal degree in co-relation 591. Up to 56 conditions per place. [2023-11-29 02:41:57,197 INFO L140 encePairwiseOnDemand]: 293/298 looper letters, 14 selfloop transitions, 1 changer transitions 0/250 dead transitions. [2023-11-29 02:41:57,197 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 250 transitions, 541 flow [2023-11-29 02:41:57,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:41:57,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:41:57,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 829 transitions. [2023-11-29 02:41:57,202 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9272930648769575 [2023-11-29 02:41:57,202 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 829 transitions. [2023-11-29 02:41:57,202 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 829 transitions. [2023-11-29 02:41:57,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:41:57,203 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 829 transitions. [2023-11-29 02:41:57,205 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 276.3333333333333) internal successors, (829), 3 states have internal predecessors, (829), 0 states have call successors, (0), 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 02:41:57,207 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:41:57,208 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:41:57,208 INFO L175 Difference]: Start difference. First operand has 256 places, 254 transitions, 519 flow. Second operand 3 states and 829 transitions. [2023-11-29 02:41:57,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 250 transitions, 541 flow [2023-11-29 02:41:57,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 250 transitions, 537 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:41:57,214 INFO L231 Difference]: Finished difference. Result has 252 places, 250 transitions, 509 flow [2023-11-29 02:41:57,215 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=507, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=509, PETRI_PLACES=252, PETRI_TRANSITIONS=250} [2023-11-29 02:41:57,215 INFO L281 CegarLoopForPetriNet]: 270 programPoint places, -18 predicate places. [2023-11-29 02:41:57,216 INFO L495 AbstractCegarLoop]: Abstraction has has 252 places, 250 transitions, 509 flow [2023-11-29 02:41:57,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 271.0) internal successors, (813), 3 states have internal predecessors, (813), 0 states have call successors, (0), 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 02:41:57,216 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:41:57,216 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 02:41:57,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 02:41:57,217 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2023-11-29 02:41:57,217 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:41:57,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1321718587, now seen corresponding path program 1 times [2023-11-29 02:41:57,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:41:57,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554008991] [2023-11-29 02:41:57,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:41:57,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:41:57,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:57,267 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 02:41:57,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:41:57,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554008991] [2023-11-29 02:41:57,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554008991] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:41:57,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:41:57,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:41:57,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294004729] [2023-11-29 02:41:57,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:41:57,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:41:57,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:41:57,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:41:57,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:41:57,280 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 298 [2023-11-29 02:41:57,281 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 250 transitions, 509 flow. Second operand has 3 states, 3 states have (on average 277.0) internal successors, (831), 3 states have internal predecessors, (831), 0 states have call successors, (0), 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 02:41:57,282 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:41:57,282 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 298 [2023-11-29 02:41:57,282 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:41:57,340 INFO L124 PetriNetUnfolderBase]: 13/364 cut-off events. [2023-11-29 02:41:57,340 INFO L125 PetriNetUnfolderBase]: For 3/5 co-relation queries the response was YES. [2023-11-29 02:41:57,342 INFO L83 FinitePrefix]: Finished finitePrefix Result has 401 conditions, 364 events. 13/364 cut-off events. For 3/5 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1035 event pairs, 2 based on Foata normal form. 1/330 useless extension candidates. Maximal degree in co-relation 363. Up to 12 conditions per place. [2023-11-29 02:41:57,343 INFO L140 encePairwiseOnDemand]: 293/298 looper letters, 10 selfloop transitions, 3 changer transitions 0/250 dead transitions. [2023-11-29 02:41:57,343 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 250 transitions, 537 flow [2023-11-29 02:41:57,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:41:57,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:41:57,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 843 transitions. [2023-11-29 02:41:57,347 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9429530201342282 [2023-11-29 02:41:57,347 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 843 transitions. [2023-11-29 02:41:57,347 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 843 transitions. [2023-11-29 02:41:57,347 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:41:57,348 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 843 transitions. [2023-11-29 02:41:57,350 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 281.0) internal successors, (843), 3 states have internal predecessors, (843), 0 states have call successors, (0), 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 02:41:57,352 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:41:57,353 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:41:57,353 INFO L175 Difference]: Start difference. First operand has 252 places, 250 transitions, 509 flow. Second operand 3 states and 843 transitions. [2023-11-29 02:41:57,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 250 transitions, 537 flow [2023-11-29 02:41:57,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 250 transitions, 536 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 02:41:57,359 INFO L231 Difference]: Finished difference. Result has 251 places, 248 transitions, 510 flow [2023-11-29 02:41:57,359 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=504, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=245, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=510, PETRI_PLACES=251, PETRI_TRANSITIONS=248} [2023-11-29 02:41:57,360 INFO L281 CegarLoopForPetriNet]: 270 programPoint places, -19 predicate places. [2023-11-29 02:41:57,360 INFO L495 AbstractCegarLoop]: Abstraction has has 251 places, 248 transitions, 510 flow [2023-11-29 02:41:57,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 277.0) internal successors, (831), 3 states have internal predecessors, (831), 0 states have call successors, (0), 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 02:41:57,361 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:41:57,361 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] [2023-11-29 02:41:57,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 02:41:57,361 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2023-11-29 02:41:57,362 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:41:57,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1138735299, now seen corresponding path program 1 times [2023-11-29 02:41:57,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:41:57,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535039556] [2023-11-29 02:41:57,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:41:57,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:41:57,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:57,415 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 02:41:57,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:41:57,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535039556] [2023-11-29 02:41:57,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535039556] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:41:57,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:41:57,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:41:57,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187985562] [2023-11-29 02:41:57,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:41:57,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:41:57,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:41:57,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:41:57,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:41:57,434 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 273 out of 298 [2023-11-29 02:41:57,435 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 248 transitions, 510 flow. Second operand has 3 states, 3 states have (on average 274.3333333333333) internal successors, (823), 3 states have internal predecessors, (823), 0 states have call successors, (0), 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 02:41:57,435 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:41:57,435 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 273 of 298 [2023-11-29 02:41:57,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:41:57,604 INFO L124 PetriNetUnfolderBase]: 114/1124 cut-off events. [2023-11-29 02:41:57,604 INFO L125 PetriNetUnfolderBase]: For 28/29 co-relation queries the response was YES. [2023-11-29 02:41:57,609 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1323 conditions, 1124 events. 114/1124 cut-off events. For 28/29 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 7278 event pairs, 22 based on Foata normal form. 0/976 useless extension candidates. Maximal degree in co-relation 1285. Up to 161 conditions per place. [2023-11-29 02:41:57,613 INFO L140 encePairwiseOnDemand]: 292/298 looper letters, 18 selfloop transitions, 3 changer transitions 0/253 dead transitions. [2023-11-29 02:41:57,613 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 253 transitions, 567 flow [2023-11-29 02:41:57,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:41:57,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:41:57,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 843 transitions. [2023-11-29 02:41:57,616 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9429530201342282 [2023-11-29 02:41:57,616 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 843 transitions. [2023-11-29 02:41:57,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 843 transitions. [2023-11-29 02:41:57,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:41:57,617 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 843 transitions. [2023-11-29 02:41:57,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 281.0) internal successors, (843), 3 states have internal predecessors, (843), 0 states have call successors, (0), 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 02:41:57,621 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:41:57,622 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:41:57,622 INFO L175 Difference]: Start difference. First operand has 251 places, 248 transitions, 510 flow. Second operand 3 states and 843 transitions. [2023-11-29 02:41:57,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 253 transitions, 567 flow [2023-11-29 02:41:57,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 253 transitions, 561 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:41:57,628 INFO L231 Difference]: Finished difference. Result has 249 places, 248 transitions, 519 flow [2023-11-29 02:41:57,628 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=498, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=519, PETRI_PLACES=249, PETRI_TRANSITIONS=248} [2023-11-29 02:41:57,629 INFO L281 CegarLoopForPetriNet]: 270 programPoint places, -21 predicate places. [2023-11-29 02:41:57,629 INFO L495 AbstractCegarLoop]: Abstraction has has 249 places, 248 transitions, 519 flow [2023-11-29 02:41:57,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 274.3333333333333) internal successors, (823), 3 states have internal predecessors, (823), 0 states have call successors, (0), 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 02:41:57,630 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:41:57,630 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] [2023-11-29 02:41:57,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 02:41:57,630 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2023-11-29 02:41:57,631 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:41:57,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1824966082, now seen corresponding path program 1 times [2023-11-29 02:41:57,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:41:57,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137476851] [2023-11-29 02:41:57,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:41:57,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:41:57,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:57,672 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 02:41:57,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:41:57,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137476851] [2023-11-29 02:41:57,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137476851] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:41:57,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:41:57,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:41:57,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290564477] [2023-11-29 02:41:57,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:41:57,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:41:57,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:41:57,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:41:57,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:41:57,684 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 298 [2023-11-29 02:41:57,686 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 248 transitions, 519 flow. Second operand has 3 states, 3 states have (on average 277.3333333333333) internal successors, (832), 3 states have internal predecessors, (832), 0 states have call successors, (0), 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 02:41:57,686 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:41:57,686 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 298 [2023-11-29 02:41:57,686 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:41:57,819 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([763] thread3EXIT-->L87-7: Formula: (and (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem25#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread3Thread1of1ForFork0_thidvar0_4) (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0)) InVars {thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem25#1=|v_ULTIMATE.start_main_#t~mem25#1_6|} OutVars{thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem25#1=|v_ULTIMATE.start_main_#t~mem25#1_6|} AuxVars[] AssignedVars[][240], [308#(= |#race~N~0| 0), 323#(= |#race~M~0| 0), 334#true, 47#L87-7true, 331#(= |#race~A~0| 0), Black: 329#true]) [2023-11-29 02:41:57,820 INFO L294 olderBase$Statistics]: this new event has 167 ancestors and is not cut-off event [2023-11-29 02:41:57,820 INFO L297 olderBase$Statistics]: existing Event has 167 ancestors and is not cut-off event [2023-11-29 02:41:57,820 INFO L297 olderBase$Statistics]: existing Event has 189 ancestors and is not cut-off event [2023-11-29 02:41:57,820 INFO L297 olderBase$Statistics]: existing Event has 189 ancestors and is not cut-off event [2023-11-29 02:41:57,821 INFO L124 PetriNetUnfolderBase]: 58/626 cut-off events. [2023-11-29 02:41:57,821 INFO L125 PetriNetUnfolderBase]: For 24/28 co-relation queries the response was YES. [2023-11-29 02:41:57,825 INFO L83 FinitePrefix]: Finished finitePrefix Result has 755 conditions, 626 events. 58/626 cut-off events. For 24/28 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2907 event pairs, 8 based on Foata normal form. 0/562 useless extension candidates. Maximal degree in co-relation 717. Up to 41 conditions per place. [2023-11-29 02:41:57,828 INFO L140 encePairwiseOnDemand]: 293/298 looper letters, 10 selfloop transitions, 3 changer transitions 0/248 dead transitions. [2023-11-29 02:41:57,828 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 248 transitions, 547 flow [2023-11-29 02:41:57,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:41:57,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:41:57,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 843 transitions. [2023-11-29 02:41:57,832 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9429530201342282 [2023-11-29 02:41:57,832 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 843 transitions. [2023-11-29 02:41:57,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 843 transitions. [2023-11-29 02:41:57,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:41:57,833 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 843 transitions. [2023-11-29 02:41:57,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 281.0) internal successors, (843), 3 states have internal predecessors, (843), 0 states have call successors, (0), 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 02:41:57,838 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:41:57,839 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:41:57,839 INFO L175 Difference]: Start difference. First operand has 249 places, 248 transitions, 519 flow. Second operand 3 states and 843 transitions. [2023-11-29 02:41:57,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 248 transitions, 547 flow [2023-11-29 02:41:57,842 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 248 transitions, 547 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:41:57,846 INFO L231 Difference]: Finished difference. Result has 249 places, 246 transitions, 521 flow [2023-11-29 02:41:57,847 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=515, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=246, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=243, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=521, PETRI_PLACES=249, PETRI_TRANSITIONS=246} [2023-11-29 02:41:57,847 INFO L281 CegarLoopForPetriNet]: 270 programPoint places, -21 predicate places. [2023-11-29 02:41:57,847 INFO L495 AbstractCegarLoop]: Abstraction has has 249 places, 246 transitions, 521 flow [2023-11-29 02:41:57,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 277.3333333333333) internal successors, (832), 3 states have internal predecessors, (832), 0 states have call successors, (0), 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 02:41:57,848 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:41:57,848 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] [2023-11-29 02:41:57,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 02:41:57,849 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2023-11-29 02:41:57,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:41:57,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1719754465, now seen corresponding path program 1 times [2023-11-29 02:41:57,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:41:57,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57513945] [2023-11-29 02:41:57,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:41:57,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:41:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:58,018 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 02:41:58,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:41:58,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57513945] [2023-11-29 02:41:58,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57513945] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:41:58,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:41:58,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 02:41:58,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725722203] [2023-11-29 02:41:58,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:41:58,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 02:41:58,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:41:58,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 02:41:58,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:41:58,215 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 298 [2023-11-29 02:41:58,217 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 246 transitions, 521 flow. Second operand has 7 states, 7 states have (on average 269.85714285714283) internal successors, (1889), 7 states have internal predecessors, (1889), 0 states have call successors, (0), 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 02:41:58,217 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:41:58,218 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 298 [2023-11-29 02:41:58,218 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:41:58,488 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([763] thread3EXIT-->L87-7: Formula: (and (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem25#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread3Thread1of1ForFork0_thidvar0_4) (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0)) InVars {thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem25#1=|v_ULTIMATE.start_main_#t~mem25#1_6|} OutVars{thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem25#1=|v_ULTIMATE.start_main_#t~mem25#1_6|} AuxVars[] AssignedVars[][257], [338#true, 308#(= |#race~N~0| 0), 323#(= |#race~M~0| 0), 334#true, 47#L87-7true, 331#(= |#race~A~0| 0), Black: 329#true]) [2023-11-29 02:41:58,488 INFO L294 olderBase$Statistics]: this new event has 226 ancestors and is cut-off event [2023-11-29 02:41:58,489 INFO L297 olderBase$Statistics]: existing Event has 182 ancestors and is cut-off event [2023-11-29 02:41:58,489 INFO L297 olderBase$Statistics]: existing Event has 182 ancestors and is cut-off event [2023-11-29 02:41:58,489 INFO L297 olderBase$Statistics]: existing Event has 204 ancestors and is cut-off event [2023-11-29 02:41:58,489 INFO L124 PetriNetUnfolderBase]: 65/1046 cut-off events. [2023-11-29 02:41:58,489 INFO L125 PetriNetUnfolderBase]: For 21/36 co-relation queries the response was YES. [2023-11-29 02:41:58,494 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1250 conditions, 1046 events. 65/1046 cut-off events. For 21/36 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 6099 event pairs, 16 based on Foata normal form. 4/949 useless extension candidates. Maximal degree in co-relation 1209. Up to 62 conditions per place. [2023-11-29 02:41:58,497 INFO L140 encePairwiseOnDemand]: 285/298 looper letters, 22 selfloop transitions, 14 changer transitions 0/261 dead transitions. [2023-11-29 02:41:58,497 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 261 transitions, 631 flow [2023-11-29 02:41:58,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 02:41:58,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-29 02:41:58,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2717 transitions. [2023-11-29 02:41:58,505 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.911744966442953 [2023-11-29 02:41:58,505 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2717 transitions. [2023-11-29 02:41:58,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2717 transitions. [2023-11-29 02:41:58,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:41:58,508 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2717 transitions. [2023-11-29 02:41:58,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 271.7) internal successors, (2717), 10 states have internal predecessors, (2717), 0 states have call successors, (0), 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 02:41:58,521 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 298.0) internal successors, (3278), 11 states have internal predecessors, (3278), 0 states have call successors, (0), 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 02:41:58,522 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 298.0) internal successors, (3278), 11 states have internal predecessors, (3278), 0 states have call successors, (0), 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 02:41:58,522 INFO L175 Difference]: Start difference. First operand has 249 places, 246 transitions, 521 flow. Second operand 10 states and 2717 transitions. [2023-11-29 02:41:58,523 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 261 transitions, 631 flow [2023-11-29 02:41:58,525 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 261 transitions, 625 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:41:58,529 INFO L231 Difference]: Finished difference. Result has 260 places, 253 transitions, 581 flow [2023-11-29 02:41:58,529 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=515, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=246, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=581, PETRI_PLACES=260, PETRI_TRANSITIONS=253} [2023-11-29 02:41:58,530 INFO L281 CegarLoopForPetriNet]: 270 programPoint places, -10 predicate places. [2023-11-29 02:41:58,530 INFO L495 AbstractCegarLoop]: Abstraction has has 260 places, 253 transitions, 581 flow [2023-11-29 02:41:58,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 269.85714285714283) internal successors, (1889), 7 states have internal predecessors, (1889), 0 states have call successors, (0), 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 02:41:58,531 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:41:58,531 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 02:41:58,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 02:41:58,531 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2023-11-29 02:41:58,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:41:58,532 INFO L85 PathProgramCache]: Analyzing trace with hash 512711928, now seen corresponding path program 1 times [2023-11-29 02:41:58,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:41:58,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256141630] [2023-11-29 02:41:58,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:41:58,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:41:58,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:58,870 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 02:41:58,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:41:58,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256141630] [2023-11-29 02:41:58,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256141630] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:41:58,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:41:58,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:41:58,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193247038] [2023-11-29 02:41:58,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:41:58,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:41:58,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:41:58,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:41:58,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:41:59,203 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 269 out of 298 [2023-11-29 02:41:59,205 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 260 places, 253 transitions, 581 flow. Second operand has 6 states, 6 states have (on average 270.6666666666667) internal successors, (1624), 6 states have internal predecessors, (1624), 0 states have call successors, (0), 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 02:41:59,205 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:41:59,206 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 269 of 298 [2023-11-29 02:41:59,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:41:59,335 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([763] thread3EXIT-->L87-7: Formula: (and (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem25#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread3Thread1of1ForFork0_thidvar0_4) (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0)) InVars {thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem25#1=|v_ULTIMATE.start_main_#t~mem25#1_6|} OutVars{thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem25#1=|v_ULTIMATE.start_main_#t~mem25#1_6|} AuxVars[] AssignedVars[][244], [365#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 308#(= |#race~N~0| 0), 338#true, 323#(= |#race~M~0| 0), Black: 350#(and (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_~size#1|) (= |ULTIMATE.start_create_fresh_uint_array_~i~3#1| 0) (<= ~N~0 0) (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_#in~size#1|)), Black: 344#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 348#(and (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_~size#1|) (= |ULTIMATE.start_create_fresh_uint_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_#in~size#1|)), Black: 343#(<= ~N~0 0), 47#L87-7true, Black: 329#true, 331#(= |#race~A~0| 0)]) [2023-11-29 02:41:59,335 INFO L294 olderBase$Statistics]: this new event has 226 ancestors and is cut-off event [2023-11-29 02:41:59,336 INFO L297 olderBase$Statistics]: existing Event has 204 ancestors and is cut-off event [2023-11-29 02:41:59,336 INFO L297 olderBase$Statistics]: existing Event has 182 ancestors and is cut-off event [2023-11-29 02:41:59,336 INFO L297 olderBase$Statistics]: existing Event has 182 ancestors and is cut-off event [2023-11-29 02:41:59,336 INFO L124 PetriNetUnfolderBase]: 32/695 cut-off events. [2023-11-29 02:41:59,336 INFO L125 PetriNetUnfolderBase]: For 23/55 co-relation queries the response was YES. [2023-11-29 02:41:59,339 INFO L83 FinitePrefix]: Finished finitePrefix Result has 828 conditions, 695 events. 32/695 cut-off events. For 23/55 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2985 event pairs, 1 based on Foata normal form. 20/656 useless extension candidates. Maximal degree in co-relation 780. Up to 32 conditions per place. [2023-11-29 02:41:59,342 INFO L140 encePairwiseOnDemand]: 293/298 looper letters, 13 selfloop transitions, 4 changer transitions 0/252 dead transitions. [2023-11-29 02:41:59,342 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 252 transitions, 613 flow [2023-11-29 02:41:59,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:41:59,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:41:59,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1632 transitions. [2023-11-29 02:41:59,347 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.912751677852349 [2023-11-29 02:41:59,347 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1632 transitions. [2023-11-29 02:41:59,348 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1632 transitions. [2023-11-29 02:41:59,349 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:41:59,349 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1632 transitions. [2023-11-29 02:41:59,354 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 272.0) internal successors, (1632), 6 states have internal predecessors, (1632), 0 states have call successors, (0), 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 02:41:59,357 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 298.0) internal successors, (2086), 7 states have internal predecessors, (2086), 0 states have call successors, (0), 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 02:41:59,358 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 298.0) internal successors, (2086), 7 states have internal predecessors, (2086), 0 states have call successors, (0), 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 02:41:59,358 INFO L175 Difference]: Start difference. First operand has 260 places, 253 transitions, 581 flow. Second operand 6 states and 1632 transitions. [2023-11-29 02:41:59,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 252 transitions, 613 flow [2023-11-29 02:41:59,361 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 252 transitions, 609 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 02:41:59,365 INFO L231 Difference]: Finished difference. Result has 263 places, 252 transitions, 583 flow [2023-11-29 02:41:59,366 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=575, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=583, PETRI_PLACES=263, PETRI_TRANSITIONS=252} [2023-11-29 02:41:59,366 INFO L281 CegarLoopForPetriNet]: 270 programPoint places, -7 predicate places. [2023-11-29 02:41:59,367 INFO L495 AbstractCegarLoop]: Abstraction has has 263 places, 252 transitions, 583 flow [2023-11-29 02:41:59,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 270.6666666666667) internal successors, (1624), 6 states have internal predecessors, (1624), 0 states have call successors, (0), 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 02:41:59,368 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:41:59,368 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] [2023-11-29 02:41:59,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 02:41:59,368 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2023-11-29 02:41:59,369 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:41:59,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1779135640, now seen corresponding path program 1 times [2023-11-29 02:41:59,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:41:59,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649785549] [2023-11-29 02:41:59,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:41:59,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:41:59,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:59,477 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 02:41:59,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:41:59,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649785549] [2023-11-29 02:41:59,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649785549] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:41:59,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:41:59,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:41:59,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921505307] [2023-11-29 02:41:59,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:41:59,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:41:59,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:41:59,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:41:59,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:41:59,524 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 270 out of 298 [2023-11-29 02:41:59,525 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 252 transitions, 583 flow. Second operand has 5 states, 5 states have (on average 272.0) internal successors, (1360), 5 states have internal predecessors, (1360), 0 states have call successors, (0), 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 02:41:59,525 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:41:59,525 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 270 of 298 [2023-11-29 02:41:59,526 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:41:59,780 INFO L124 PetriNetUnfolderBase]: 100/1397 cut-off events. [2023-11-29 02:41:59,780 INFO L125 PetriNetUnfolderBase]: For 70/79 co-relation queries the response was YES. [2023-11-29 02:41:59,788 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1737 conditions, 1397 events. 100/1397 cut-off events. For 70/79 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 9484 event pairs, 35 based on Foata normal form. 8/1278 useless extension candidates. Maximal degree in co-relation 1689. Up to 111 conditions per place. [2023-11-29 02:41:59,793 INFO L140 encePairwiseOnDemand]: 292/298 looper letters, 24 selfloop transitions, 5 changer transitions 0/263 dead transitions. [2023-11-29 02:41:59,793 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 263 transitions, 671 flow [2023-11-29 02:41:59,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:41:59,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-29 02:41:59,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1380 transitions. [2023-11-29 02:41:59,797 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9261744966442953 [2023-11-29 02:41:59,798 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1380 transitions. [2023-11-29 02:41:59,798 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1380 transitions. [2023-11-29 02:41:59,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:41:59,799 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1380 transitions. [2023-11-29 02:41:59,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 276.0) internal successors, (1380), 5 states have internal predecessors, (1380), 0 states have call successors, (0), 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 02:41:59,805 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 298.0) internal successors, (1788), 6 states have internal predecessors, (1788), 0 states have call successors, (0), 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 02:41:59,806 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 298.0) internal successors, (1788), 6 states have internal predecessors, (1788), 0 states have call successors, (0), 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 02:41:59,806 INFO L175 Difference]: Start difference. First operand has 263 places, 252 transitions, 583 flow. Second operand 5 states and 1380 transitions. [2023-11-29 02:41:59,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 263 transitions, 671 flow [2023-11-29 02:41:59,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 263 transitions, 664 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 02:41:59,813 INFO L231 Difference]: Finished difference. Result has 265 places, 254 transitions, 601 flow [2023-11-29 02:41:59,814 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=576, PETRI_DIFFERENCE_MINUEND_PLACES=259, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=247, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=601, PETRI_PLACES=265, PETRI_TRANSITIONS=254} [2023-11-29 02:41:59,814 INFO L281 CegarLoopForPetriNet]: 270 programPoint places, -5 predicate places. [2023-11-29 02:41:59,815 INFO L495 AbstractCegarLoop]: Abstraction has has 265 places, 254 transitions, 601 flow [2023-11-29 02:41:59,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 272.0) internal successors, (1360), 5 states have internal predecessors, (1360), 0 states have call successors, (0), 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 02:41:59,815 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:41:59,815 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] [2023-11-29 02:41:59,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 02:41:59,815 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread3Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2023-11-29 02:41:59,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:41:59,816 INFO L85 PathProgramCache]: Analyzing trace with hash 692101204, now seen corresponding path program 1 times [2023-11-29 02:41:59,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:41:59,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120488195] [2023-11-29 02:41:59,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:41:59,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:41:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:41:59,857 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 02:41:59,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:41:59,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120488195] [2023-11-29 02:41:59,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120488195] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:41:59,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:41:59,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:41:59,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236707717] [2023-11-29 02:41:59,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:41:59,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:41:59,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:41:59,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:41:59,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:41:59,868 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 298 [2023-11-29 02:41:59,869 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 254 transitions, 601 flow. Second operand has 3 states, 3 states have (on average 277.6666666666667) internal successors, (833), 3 states have internal predecessors, (833), 0 states have call successors, (0), 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 02:41:59,869 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:41:59,870 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 298 [2023-11-29 02:41:59,870 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:42:00,059 INFO L124 PetriNetUnfolderBase]: 128/1377 cut-off events. [2023-11-29 02:42:00,060 INFO L125 PetriNetUnfolderBase]: For 110/123 co-relation queries the response was YES. [2023-11-29 02:42:00,064 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1754 conditions, 1377 events. 128/1377 cut-off events. For 110/123 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 9527 event pairs, 11 based on Foata normal form. 10/1285 useless extension candidates. Maximal degree in co-relation 1707. Up to 129 conditions per place. [2023-11-29 02:42:00,069 INFO L140 encePairwiseOnDemand]: 293/298 looper letters, 8 selfloop transitions, 2 changer transitions 7/254 dead transitions. [2023-11-29 02:42:00,069 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 254 transitions, 627 flow [2023-11-29 02:42:00,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:42:00,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:42:00,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 842 transitions. [2023-11-29 02:42:00,072 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.941834451901566 [2023-11-29 02:42:00,072 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 842 transitions. [2023-11-29 02:42:00,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 842 transitions. [2023-11-29 02:42:00,073 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:42:00,073 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 842 transitions. [2023-11-29 02:42:00,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 280.6666666666667) internal successors, (842), 3 states have internal predecessors, (842), 0 states have call successors, (0), 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 02:42:00,077 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:42:00,078 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:42:00,078 INFO L175 Difference]: Start difference. First operand has 265 places, 254 transitions, 601 flow. Second operand 3 states and 842 transitions. [2023-11-29 02:42:00,078 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 254 transitions, 627 flow [2023-11-29 02:42:00,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 254 transitions, 622 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:42:00,085 INFO L231 Difference]: Finished difference. Result has 263 places, 245 transitions, 581 flow [2023-11-29 02:42:00,085 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=592, PETRI_DIFFERENCE_MINUEND_PLACES=261, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=581, PETRI_PLACES=263, PETRI_TRANSITIONS=245} [2023-11-29 02:42:00,086 INFO L281 CegarLoopForPetriNet]: 270 programPoint places, -7 predicate places. [2023-11-29 02:42:00,086 INFO L495 AbstractCegarLoop]: Abstraction has has 263 places, 245 transitions, 581 flow [2023-11-29 02:42:00,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 277.6666666666667) internal successors, (833), 3 states have internal predecessors, (833), 0 states have call successors, (0), 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 02:42:00,087 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:42:00,087 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 02:42:00,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 02:42:00,087 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2023-11-29 02:42:00,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:42:00,088 INFO L85 PathProgramCache]: Analyzing trace with hash -905959723, now seen corresponding path program 1 times [2023-11-29 02:42:00,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:42:00,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081457488] [2023-11-29 02:42:00,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:42:00,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:42:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:00,577 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 02:42:00,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:42:00,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081457488] [2023-11-29 02:42:00,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081457488] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:42:00,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:42:00,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:42:00,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838222164] [2023-11-29 02:42:00,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:42:00,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:42:00,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:42:00,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:42:00,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:42:00,882 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 298 [2023-11-29 02:42:00,883 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 245 transitions, 581 flow. Second operand has 6 states, 6 states have (on average 269.6666666666667) internal successors, (1618), 6 states have internal predecessors, (1618), 0 states have call successors, (0), 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 02:42:00,883 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:42:00,883 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 298 [2023-11-29 02:42:00,883 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:42:01,066 INFO L124 PetriNetUnfolderBase]: 111/1347 cut-off events. [2023-11-29 02:42:01,066 INFO L125 PetriNetUnfolderBase]: For 138/147 co-relation queries the response was YES. [2023-11-29 02:42:01,073 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1793 conditions, 1347 events. 111/1347 cut-off events. For 138/147 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 9100 event pairs, 32 based on Foata normal form. 0/1243 useless extension candidates. Maximal degree in co-relation 1745. Up to 124 conditions per place. [2023-11-29 02:42:01,077 INFO L140 encePairwiseOnDemand]: 292/298 looper letters, 24 selfloop transitions, 5 changer transitions 0/252 dead transitions. [2023-11-29 02:42:01,077 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 252 transitions, 661 flow [2023-11-29 02:42:01,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:42:01,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:42:01,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1636 transitions. [2023-11-29 02:42:01,082 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9149888143176734 [2023-11-29 02:42:01,082 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1636 transitions. [2023-11-29 02:42:01,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1636 transitions. [2023-11-29 02:42:01,083 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:42:01,083 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1636 transitions. [2023-11-29 02:42:01,086 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 272.6666666666667) internal successors, (1636), 6 states have internal predecessors, (1636), 0 states have call successors, (0), 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 02:42:01,090 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 298.0) internal successors, (2086), 7 states have internal predecessors, (2086), 0 states have call successors, (0), 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 02:42:01,091 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 298.0) internal successors, (2086), 7 states have internal predecessors, (2086), 0 states have call successors, (0), 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 02:42:01,091 INFO L175 Difference]: Start difference. First operand has 263 places, 245 transitions, 581 flow. Second operand 6 states and 1636 transitions. [2023-11-29 02:42:01,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 252 transitions, 661 flow [2023-11-29 02:42:01,094 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 252 transitions, 657 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:42:01,096 INFO L231 Difference]: Finished difference. Result has 258 places, 244 transitions, 585 flow [2023-11-29 02:42:01,097 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=575, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=585, PETRI_PLACES=258, PETRI_TRANSITIONS=244} [2023-11-29 02:42:01,097 INFO L281 CegarLoopForPetriNet]: 270 programPoint places, -12 predicate places. [2023-11-29 02:42:01,097 INFO L495 AbstractCegarLoop]: Abstraction has has 258 places, 244 transitions, 585 flow [2023-11-29 02:42:01,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 269.6666666666667) internal successors, (1618), 6 states have internal predecessors, (1618), 0 states have call successors, (0), 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 02:42:01,098 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:42:01,098 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 02:42:01,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 02:42:01,098 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2023-11-29 02:42:01,099 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:42:01,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1995712902, now seen corresponding path program 1 times [2023-11-29 02:42:01,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:42:01,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109646701] [2023-11-29 02:42:01,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:42:01,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:42:01,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:01,493 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 02:42:01,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:42:01,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109646701] [2023-11-29 02:42:01,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109646701] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:42:01,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:42:01,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:42:01,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991225466] [2023-11-29 02:42:01,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:42:01,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:42:01,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:42:01,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:42:01,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:42:01,827 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 298 [2023-11-29 02:42:01,828 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 244 transitions, 585 flow. Second operand has 6 states, 6 states have (on average 269.8333333333333) internal successors, (1619), 6 states have internal predecessors, (1619), 0 states have call successors, (0), 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 02:42:01,829 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:42:01,829 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 298 [2023-11-29 02:42:01,829 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:42:02,060 INFO L124 PetriNetUnfolderBase]: 188/1427 cut-off events. [2023-11-29 02:42:02,060 INFO L125 PetriNetUnfolderBase]: For 162/183 co-relation queries the response was YES. [2023-11-29 02:42:02,065 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1929 conditions, 1427 events. 188/1427 cut-off events. For 162/183 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 10401 event pairs, 43 based on Foata normal form. 8/1326 useless extension candidates. Maximal degree in co-relation 1881. Up to 164 conditions per place. [2023-11-29 02:42:02,069 INFO L140 encePairwiseOnDemand]: 292/298 looper letters, 22 selfloop transitions, 5 changer transitions 0/251 dead transitions. [2023-11-29 02:42:02,069 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 251 transitions, 661 flow [2023-11-29 02:42:02,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:42:02,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:42:02,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1636 transitions. [2023-11-29 02:42:02,075 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9149888143176734 [2023-11-29 02:42:02,075 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1636 transitions. [2023-11-29 02:42:02,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1636 transitions. [2023-11-29 02:42:02,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:42:02,077 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1636 transitions. [2023-11-29 02:42:02,081 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 272.6666666666667) internal successors, (1636), 6 states have internal predecessors, (1636), 0 states have call successors, (0), 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 02:42:02,085 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 298.0) internal successors, (2086), 7 states have internal predecessors, (2086), 0 states have call successors, (0), 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 02:42:02,086 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 298.0) internal successors, (2086), 7 states have internal predecessors, (2086), 0 states have call successors, (0), 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 02:42:02,086 INFO L175 Difference]: Start difference. First operand has 258 places, 244 transitions, 585 flow. Second operand 6 states and 1636 transitions. [2023-11-29 02:42:02,086 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 251 transitions, 661 flow [2023-11-29 02:42:02,089 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 251 transitions, 651 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 02:42:02,092 INFO L231 Difference]: Finished difference. Result has 257 places, 243 transitions, 583 flow [2023-11-29 02:42:02,093 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=573, PETRI_DIFFERENCE_MINUEND_PLACES=252, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=583, PETRI_PLACES=257, PETRI_TRANSITIONS=243} [2023-11-29 02:42:02,093 INFO L281 CegarLoopForPetriNet]: 270 programPoint places, -13 predicate places. [2023-11-29 02:42:02,093 INFO L495 AbstractCegarLoop]: Abstraction has has 257 places, 243 transitions, 583 flow [2023-11-29 02:42:02,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 269.8333333333333) internal successors, (1619), 6 states have internal predecessors, (1619), 0 states have call successors, (0), 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 02:42:02,094 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:42:02,094 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] [2023-11-29 02:42:02,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 02:42:02,094 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2023-11-29 02:42:02,095 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:42:02,095 INFO L85 PathProgramCache]: Analyzing trace with hash -292462376, now seen corresponding path program 1 times [2023-11-29 02:42:02,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:42:02,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338996640] [2023-11-29 02:42:02,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:42:02,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:42:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:02,137 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 02:42:02,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:42:02,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338996640] [2023-11-29 02:42:02,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338996640] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:42:02,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:42:02,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:42:02,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309855151] [2023-11-29 02:42:02,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:42:02,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:42:02,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:42:02,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:42:02,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:42:02,151 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 298 [2023-11-29 02:42:02,152 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 243 transitions, 583 flow. Second operand has 3 states, 3 states have (on average 278.0) internal successors, (834), 3 states have internal predecessors, (834), 0 states have call successors, (0), 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 02:42:02,152 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:42:02,152 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 298 [2023-11-29 02:42:02,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:42:02,335 INFO L124 PetriNetUnfolderBase]: 83/1216 cut-off events. [2023-11-29 02:42:02,336 INFO L125 PetriNetUnfolderBase]: For 54/63 co-relation queries the response was YES. [2023-11-29 02:42:02,340 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1557 conditions, 1216 events. 83/1216 cut-off events. For 54/63 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 7429 event pairs, 19 based on Foata normal form. 0/1142 useless extension candidates. Maximal degree in co-relation 1510. Up to 86 conditions per place. [2023-11-29 02:42:02,343 INFO L140 encePairwiseOnDemand]: 295/298 looper letters, 10 selfloop transitions, 2 changer transitions 0/244 dead transitions. [2023-11-29 02:42:02,343 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 244 transitions, 611 flow [2023-11-29 02:42:02,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:42:02,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:42:02,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 841 transitions. [2023-11-29 02:42:02,345 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9407158836689038 [2023-11-29 02:42:02,346 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 841 transitions. [2023-11-29 02:42:02,346 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 841 transitions. [2023-11-29 02:42:02,346 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:42:02,347 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 841 transitions. [2023-11-29 02:42:02,349 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 280.3333333333333) internal successors, (841), 3 states have internal predecessors, (841), 0 states have call successors, (0), 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 02:42:02,351 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:42:02,351 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:42:02,352 INFO L175 Difference]: Start difference. First operand has 257 places, 243 transitions, 583 flow. Second operand 3 states and 841 transitions. [2023-11-29 02:42:02,352 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 244 transitions, 611 flow [2023-11-29 02:42:02,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 244 transitions, 601 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 02:42:02,358 INFO L231 Difference]: Finished difference. Result has 253 places, 242 transitions, 575 flow [2023-11-29 02:42:02,358 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=571, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=575, PETRI_PLACES=253, PETRI_TRANSITIONS=242} [2023-11-29 02:42:02,359 INFO L281 CegarLoopForPetriNet]: 270 programPoint places, -17 predicate places. [2023-11-29 02:42:02,359 INFO L495 AbstractCegarLoop]: Abstraction has has 253 places, 242 transitions, 575 flow [2023-11-29 02:42:02,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 278.0) internal successors, (834), 3 states have internal predecessors, (834), 0 states have call successors, (0), 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 02:42:02,359 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:42:02,359 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] [2023-11-29 02:42:02,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 02:42:02,360 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2023-11-29 02:42:02,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:42:02,360 INFO L85 PathProgramCache]: Analyzing trace with hash 706795687, now seen corresponding path program 1 times [2023-11-29 02:42:02,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:42:02,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680051912] [2023-11-29 02:42:02,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:42:02,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:42:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:02,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 02:42:02,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:42:02,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680051912] [2023-11-29 02:42:02,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680051912] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:42:02,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:42:02,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:42:02,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773435144] [2023-11-29 02:42:02,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:42:02,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:42:02,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:42:02,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:42:02,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:42:03,144 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 298 [2023-11-29 02:42:03,145 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 242 transitions, 575 flow. Second operand has 6 states, 6 states have (on average 270.1666666666667) internal successors, (1621), 6 states have internal predecessors, (1621), 0 states have call successors, (0), 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 02:42:03,145 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:42:03,145 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 298 [2023-11-29 02:42:03,146 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:42:03,338 INFO L124 PetriNetUnfolderBase]: 90/1219 cut-off events. [2023-11-29 02:42:03,338 INFO L125 PetriNetUnfolderBase]: For 86/116 co-relation queries the response was YES. [2023-11-29 02:42:03,342 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1667 conditions, 1219 events. 90/1219 cut-off events. For 86/116 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 7572 event pairs, 27 based on Foata normal form. 4/1161 useless extension candidates. Maximal degree in co-relation 1619. Up to 118 conditions per place. [2023-11-29 02:42:03,344 INFO L140 encePairwiseOnDemand]: 292/298 looper letters, 24 selfloop transitions, 5 changer transitions 0/249 dead transitions. [2023-11-29 02:42:03,345 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 249 transitions, 655 flow [2023-11-29 02:42:03,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:42:03,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:42:03,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1636 transitions. [2023-11-29 02:42:03,349 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9149888143176734 [2023-11-29 02:42:03,349 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1636 transitions. [2023-11-29 02:42:03,349 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1636 transitions. [2023-11-29 02:42:03,351 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:42:03,351 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1636 transitions. [2023-11-29 02:42:03,354 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 272.6666666666667) internal successors, (1636), 6 states have internal predecessors, (1636), 0 states have call successors, (0), 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 02:42:03,357 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 298.0) internal successors, (2086), 7 states have internal predecessors, (2086), 0 states have call successors, (0), 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 02:42:03,357 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 298.0) internal successors, (2086), 7 states have internal predecessors, (2086), 0 states have call successors, (0), 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 02:42:03,357 INFO L175 Difference]: Start difference. First operand has 253 places, 242 transitions, 575 flow. Second operand 6 states and 1636 transitions. [2023-11-29 02:42:03,357 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 249 transitions, 655 flow [2023-11-29 02:42:03,359 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 249 transitions, 651 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:42:03,361 INFO L231 Difference]: Finished difference. Result has 255 places, 241 transitions, 579 flow [2023-11-29 02:42:03,362 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=569, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=579, PETRI_PLACES=255, PETRI_TRANSITIONS=241} [2023-11-29 02:42:03,362 INFO L281 CegarLoopForPetriNet]: 270 programPoint places, -15 predicate places. [2023-11-29 02:42:03,362 INFO L495 AbstractCegarLoop]: Abstraction has has 255 places, 241 transitions, 579 flow [2023-11-29 02:42:03,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 270.1666666666667) internal successors, (1621), 6 states have internal predecessors, (1621), 0 states have call successors, (0), 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 02:42:03,363 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:42:03,363 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] [2023-11-29 02:42:03,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 02:42:03,363 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread3Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2023-11-29 02:42:03,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:42:03,364 INFO L85 PathProgramCache]: Analyzing trace with hash -615246019, now seen corresponding path program 1 times [2023-11-29 02:42:03,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:42:03,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659295055] [2023-11-29 02:42:03,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:42:03,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:42:03,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:03,398 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 02:42:03,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:42:03,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659295055] [2023-11-29 02:42:03,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659295055] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:42:03,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:42:03,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:42:03,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617966724] [2023-11-29 02:42:03,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:42:03,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:42:03,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:42:03,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:42:03,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:42:03,411 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 298 [2023-11-29 02:42:03,412 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 241 transitions, 579 flow. Second operand has 3 states, 3 states have (on average 278.3333333333333) internal successors, (835), 3 states have internal predecessors, (835), 0 states have call successors, (0), 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 02:42:03,412 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:42:03,412 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 298 [2023-11-29 02:42:03,413 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:42:03,576 INFO L124 PetriNetUnfolderBase]: 142/1293 cut-off events. [2023-11-29 02:42:03,576 INFO L125 PetriNetUnfolderBase]: For 116/127 co-relation queries the response was YES. [2023-11-29 02:42:03,580 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1714 conditions, 1293 events. 142/1293 cut-off events. For 116/127 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 8681 event pairs, 39 based on Foata normal form. 0/1229 useless extension candidates. Maximal degree in co-relation 1667. Up to 156 conditions per place. [2023-11-29 02:42:03,583 INFO L140 encePairwiseOnDemand]: 295/298 looper letters, 10 selfloop transitions, 2 changer transitions 0/242 dead transitions. [2023-11-29 02:42:03,583 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 242 transitions, 607 flow [2023-11-29 02:42:03,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:42:03,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:42:03,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 841 transitions. [2023-11-29 02:42:03,586 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9407158836689038 [2023-11-29 02:42:03,587 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 841 transitions. [2023-11-29 02:42:03,587 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 841 transitions. [2023-11-29 02:42:03,588 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:42:03,588 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 841 transitions. [2023-11-29 02:42:03,590 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 280.3333333333333) internal successors, (841), 3 states have internal predecessors, (841), 0 states have call successors, (0), 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 02:42:03,591 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:42:03,592 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:42:03,592 INFO L175 Difference]: Start difference. First operand has 255 places, 241 transitions, 579 flow. Second operand 3 states and 841 transitions. [2023-11-29 02:42:03,592 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 242 transitions, 607 flow [2023-11-29 02:42:03,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 242 transitions, 597 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 02:42:03,596 INFO L231 Difference]: Finished difference. Result has 251 places, 240 transitions, 571 flow [2023-11-29 02:42:03,596 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=567, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=571, PETRI_PLACES=251, PETRI_TRANSITIONS=240} [2023-11-29 02:42:03,596 INFO L281 CegarLoopForPetriNet]: 270 programPoint places, -19 predicate places. [2023-11-29 02:42:03,596 INFO L495 AbstractCegarLoop]: Abstraction has has 251 places, 240 transitions, 571 flow [2023-11-29 02:42:03,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 278.3333333333333) internal successors, (835), 3 states have internal predecessors, (835), 0 states have call successors, (0), 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 02:42:03,597 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:42:03,597 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] [2023-11-29 02:42:03,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 02:42:03,597 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2023-11-29 02:42:03,597 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:42:03,598 INFO L85 PathProgramCache]: Analyzing trace with hash 141615402, now seen corresponding path program 1 times [2023-11-29 02:42:03,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:42:03,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146637435] [2023-11-29 02:42:03,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:42:03,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:42:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:03,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 02:42:03,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:42:03,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146637435] [2023-11-29 02:42:03,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146637435] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:42:03,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:42:03,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:42:03,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394458505] [2023-11-29 02:42:03,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:42:03,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:42:03,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:42:03,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:42:03,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:42:03,646 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 298 [2023-11-29 02:42:03,647 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 240 transitions, 571 flow. Second operand has 3 states, 3 states have (on average 277.6666666666667) internal successors, (833), 3 states have internal predecessors, (833), 0 states have call successors, (0), 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 02:42:03,647 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:42:03,647 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 298 [2023-11-29 02:42:03,647 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:42:03,793 INFO L124 PetriNetUnfolderBase]: 68/1120 cut-off events. [2023-11-29 02:42:03,793 INFO L125 PetriNetUnfolderBase]: For 31/43 co-relation queries the response was YES. [2023-11-29 02:42:03,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1453 conditions, 1120 events. 68/1120 cut-off events. For 31/43 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 6635 event pairs, 20 based on Foata normal form. 1/1084 useless extension candidates. Maximal degree in co-relation 1406. Up to 93 conditions per place. [2023-11-29 02:42:03,799 INFO L140 encePairwiseOnDemand]: 295/298 looper letters, 10 selfloop transitions, 2 changer transitions 0/241 dead transitions. [2023-11-29 02:42:03,799 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 241 transitions, 599 flow [2023-11-29 02:42:03,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:42:03,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:42:03,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 841 transitions. [2023-11-29 02:42:03,802 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9407158836689038 [2023-11-29 02:42:03,802 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 841 transitions. [2023-11-29 02:42:03,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 841 transitions. [2023-11-29 02:42:03,803 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:42:03,803 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 841 transitions. [2023-11-29 02:42:03,806 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 280.3333333333333) internal successors, (841), 3 states have internal predecessors, (841), 0 states have call successors, (0), 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 02:42:03,807 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:42:03,807 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:42:03,807 INFO L175 Difference]: Start difference. First operand has 251 places, 240 transitions, 571 flow. Second operand 3 states and 841 transitions. [2023-11-29 02:42:03,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 241 transitions, 599 flow [2023-11-29 02:42:03,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 241 transitions, 595 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:42:03,811 INFO L231 Difference]: Finished difference. Result has 250 places, 239 transitions, 569 flow [2023-11-29 02:42:03,812 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=565, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=569, PETRI_PLACES=250, PETRI_TRANSITIONS=239} [2023-11-29 02:42:03,812 INFO L281 CegarLoopForPetriNet]: 270 programPoint places, -20 predicate places. [2023-11-29 02:42:03,812 INFO L495 AbstractCegarLoop]: Abstraction has has 250 places, 239 transitions, 569 flow [2023-11-29 02:42:03,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 277.6666666666667) internal successors, (833), 3 states have internal predecessors, (833), 0 states have call successors, (0), 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 02:42:03,812 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:42:03,812 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 02:42:03,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 02:42:03,813 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2023-11-29 02:42:03,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:42:03,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1478920428, now seen corresponding path program 1 times [2023-11-29 02:42:03,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:42:03,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711124325] [2023-11-29 02:42:03,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:42:03,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:42:03,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:04,109 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 02:42:04,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:42:04,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711124325] [2023-11-29 02:42:04,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711124325] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:42:04,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:42:04,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:42:04,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025363496] [2023-11-29 02:42:04,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:42:04,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:42:04,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:42:04,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:42:04,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:42:04,421 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 269 out of 298 [2023-11-29 02:42:04,422 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 239 transitions, 569 flow. Second operand has 6 states, 6 states have (on average 270.8333333333333) internal successors, (1625), 6 states have internal predecessors, (1625), 0 states have call successors, (0), 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 02:42:04,423 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:42:04,423 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 269 of 298 [2023-11-29 02:42:04,423 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:42:04,548 INFO L124 PetriNetUnfolderBase]: 32/936 cut-off events. [2023-11-29 02:42:04,548 INFO L125 PetriNetUnfolderBase]: For 21/40 co-relation queries the response was YES. [2023-11-29 02:42:04,552 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1184 conditions, 936 events. 32/936 cut-off events. For 21/40 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 4948 event pairs, 1 based on Foata normal form. 8/918 useless extension candidates. Maximal degree in co-relation 1135. Up to 42 conditions per place. [2023-11-29 02:42:04,554 INFO L140 encePairwiseOnDemand]: 293/298 looper letters, 12 selfloop transitions, 4 changer transitions 0/238 dead transitions. [2023-11-29 02:42:04,555 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 238 transitions, 599 flow [2023-11-29 02:42:04,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:42:04,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:42:04,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1631 transitions. [2023-11-29 02:42:04,559 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9121923937360179 [2023-11-29 02:42:04,559 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1631 transitions. [2023-11-29 02:42:04,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1631 transitions. [2023-11-29 02:42:04,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:42:04,561 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1631 transitions. [2023-11-29 02:42:04,565 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 271.8333333333333) internal successors, (1631), 6 states have internal predecessors, (1631), 0 states have call successors, (0), 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 02:42:04,567 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 298.0) internal successors, (2086), 7 states have internal predecessors, (2086), 0 states have call successors, (0), 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 02:42:04,567 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 298.0) internal successors, (2086), 7 states have internal predecessors, (2086), 0 states have call successors, (0), 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 02:42:04,568 INFO L175 Difference]: Start difference. First operand has 250 places, 239 transitions, 569 flow. Second operand 6 states and 1631 transitions. [2023-11-29 02:42:04,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 238 transitions, 599 flow [2023-11-29 02:42:04,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 238 transitions, 595 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:42:04,572 INFO L231 Difference]: Finished difference. Result has 252 places, 238 transitions, 571 flow [2023-11-29 02:42:04,572 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=563, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=571, PETRI_PLACES=252, PETRI_TRANSITIONS=238} [2023-11-29 02:42:04,573 INFO L281 CegarLoopForPetriNet]: 270 programPoint places, -18 predicate places. [2023-11-29 02:42:04,573 INFO L495 AbstractCegarLoop]: Abstraction has has 252 places, 238 transitions, 571 flow [2023-11-29 02:42:04,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 270.8333333333333) internal successors, (1625), 6 states have internal predecessors, (1625), 0 states have call successors, (0), 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 02:42:04,573 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:42:04,574 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] [2023-11-29 02:42:04,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 02:42:04,574 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2023-11-29 02:42:04,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:42:04,574 INFO L85 PathProgramCache]: Analyzing trace with hash 702030919, now seen corresponding path program 1 times [2023-11-29 02:42:04,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:42:04,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748255374] [2023-11-29 02:42:04,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:42:04,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:42:04,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:42:05,060 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 02:42:05,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:42:05,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748255374] [2023-11-29 02:42:05,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748255374] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:42:05,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:42:05,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:42:05,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276739371] [2023-11-29 02:42:05,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:42:05,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:42:05,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:42:05,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:42:05,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:42:05,371 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 269 out of 298 [2023-11-29 02:42:05,373 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 238 transitions, 571 flow. Second operand has 6 states, 6 states have (on average 271.0) internal successors, (1626), 6 states have internal predecessors, (1626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:42:05,373 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:42:05,373 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 269 of 298 [2023-11-29 02:42:05,373 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:42:05,493 INFO L124 PetriNetUnfolderBase]: 32/927 cut-off events. [2023-11-29 02:42:05,493 INFO L125 PetriNetUnfolderBase]: For 31/40 co-relation queries the response was YES. [2023-11-29 02:42:05,496 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1198 conditions, 927 events. 32/927 cut-off events. For 31/40 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 4882 event pairs, 1 based on Foata normal form. 0/910 useless extension candidates. Maximal degree in co-relation 1149. Up to 45 conditions per place. [2023-11-29 02:42:05,497 INFO L140 encePairwiseOnDemand]: 293/298 looper letters, 0 selfloop transitions, 0 changer transitions 237/237 dead transitions. [2023-11-29 02:42:05,497 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 237 transitions, 601 flow [2023-11-29 02:42:05,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:42:05,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:42:05,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1631 transitions. [2023-11-29 02:42:05,500 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9121923937360179 [2023-11-29 02:42:05,500 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1631 transitions. [2023-11-29 02:42:05,500 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1631 transitions. [2023-11-29 02:42:05,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:42:05,501 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1631 transitions. [2023-11-29 02:42:05,504 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 271.8333333333333) internal successors, (1631), 6 states have internal predecessors, (1631), 0 states have call successors, (0), 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 02:42:05,506 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 298.0) internal successors, (2086), 7 states have internal predecessors, (2086), 0 states have call successors, (0), 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 02:42:05,506 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 298.0) internal successors, (2086), 7 states have internal predecessors, (2086), 0 states have call successors, (0), 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 02:42:05,506 INFO L175 Difference]: Start difference. First operand has 252 places, 238 transitions, 571 flow. Second operand 6 states and 1631 transitions. [2023-11-29 02:42:05,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 237 transitions, 601 flow [2023-11-29 02:42:05,508 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 237 transitions, 594 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 02:42:05,509 INFO L231 Difference]: Finished difference. Result has 252 places, 0 transitions, 0 flow [2023-11-29 02:42:05,510 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=562, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=252, PETRI_TRANSITIONS=0} [2023-11-29 02:42:05,510 INFO L281 CegarLoopForPetriNet]: 270 programPoint places, -18 predicate places. [2023-11-29 02:42:05,510 INFO L495 AbstractCegarLoop]: Abstraction has has 252 places, 0 transitions, 0 flow [2023-11-29 02:42:05,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 271.0) internal successors, (1626), 6 states have internal predecessors, (1626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:42:05,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (48 of 49 remaining) [2023-11-29 02:42:05,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (47 of 49 remaining) [2023-11-29 02:42:05,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (46 of 49 remaining) [2023-11-29 02:42:05,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (45 of 49 remaining) [2023-11-29 02:42:05,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (44 of 49 remaining) [2023-11-29 02:42:05,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (43 of 49 remaining) [2023-11-29 02:42:05,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (42 of 49 remaining) [2023-11-29 02:42:05,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (41 of 49 remaining) [2023-11-29 02:42:05,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (40 of 49 remaining) [2023-11-29 02:42:05,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (39 of 49 remaining) [2023-11-29 02:42:05,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (38 of 49 remaining) [2023-11-29 02:42:05,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (37 of 49 remaining) [2023-11-29 02:42:05,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (36 of 49 remaining) [2023-11-29 02:42:05,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (35 of 49 remaining) [2023-11-29 02:42:05,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (34 of 49 remaining) [2023-11-29 02:42:05,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (33 of 49 remaining) [2023-11-29 02:42:05,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (32 of 49 remaining) [2023-11-29 02:42:05,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (31 of 49 remaining) [2023-11-29 02:42:05,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (30 of 49 remaining) [2023-11-29 02:42:05,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (29 of 49 remaining) [2023-11-29 02:42:05,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (28 of 49 remaining) [2023-11-29 02:42:05,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (27 of 49 remaining) [2023-11-29 02:42:05,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (26 of 49 remaining) [2023-11-29 02:42:05,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (25 of 49 remaining) [2023-11-29 02:42:05,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (24 of 49 remaining) [2023-11-29 02:42:05,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (23 of 49 remaining) [2023-11-29 02:42:05,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (22 of 49 remaining) [2023-11-29 02:42:05,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (21 of 49 remaining) [2023-11-29 02:42:05,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (20 of 49 remaining) [2023-11-29 02:42:05,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (19 of 49 remaining) [2023-11-29 02:42:05,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 49 remaining) [2023-11-29 02:42:05,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 49 remaining) [2023-11-29 02:42:05,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 49 remaining) [2023-11-29 02:42:05,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 49 remaining) [2023-11-29 02:42:05,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (14 of 49 remaining) [2023-11-29 02:42:05,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (13 of 49 remaining) [2023-11-29 02:42:05,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (12 of 49 remaining) [2023-11-29 02:42:05,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (11 of 49 remaining) [2023-11-29 02:42:05,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 49 remaining) [2023-11-29 02:42:05,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 49 remaining) [2023-11-29 02:42:05,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 49 remaining) [2023-11-29 02:42:05,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 49 remaining) [2023-11-29 02:42:05,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 49 remaining) [2023-11-29 02:42:05,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 49 remaining) [2023-11-29 02:42:05,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (4 of 49 remaining) [2023-11-29 02:42:05,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (3 of 49 remaining) [2023-11-29 02:42:05,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (2 of 49 remaining) [2023-11-29 02:42:05,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (1 of 49 remaining) [2023-11-29 02:42:05,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (0 of 49 remaining) [2023-11-29 02:42:05,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 02:42:05,520 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] [2023-11-29 02:42:05,525 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 02:42:05,526 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:42:05,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:42:05 BasicIcfg [2023-11-29 02:42:05,531 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:42:05,531 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:42:05,531 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:42:05,532 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:42:05,532 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:41:53" (3/4) ... [2023-11-29 02:42:05,533 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 02:42:05,537 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-29 02:42:05,537 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-29 02:42:05,537 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-29 02:42:05,544 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-29 02:42:05,544 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 02:42:05,545 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 02:42:05,545 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 02:42:05,637 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31f5569-bfd0-4049-a052-c7468fc3822a/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 02:42:05,638 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31f5569-bfd0-4049-a052-c7468fc3822a/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 02:42:05,638 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:42:05,639 INFO L158 Benchmark]: Toolchain (without parser) took 13575.56ms. Allocated memory was 159.4MB in the beginning and 572.5MB in the end (delta: 413.1MB). Free memory was 117.1MB in the beginning and 230.7MB in the end (delta: -113.5MB). Peak memory consumption was 301.5MB. Max. memory is 16.1GB. [2023-11-29 02:42:05,639 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:42:05,639 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.11ms. Allocated memory is still 159.4MB. Free memory was 117.1MB in the beginning and 104.6MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 02:42:05,640 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.01ms. Allocated memory is still 159.4MB. Free memory was 104.6MB in the beginning and 102.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:42:05,640 INFO L158 Benchmark]: Boogie Preprocessor took 42.43ms. Allocated memory is still 159.4MB. Free memory was 102.5MB in the beginning and 100.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:42:05,640 INFO L158 Benchmark]: RCFGBuilder took 585.66ms. Allocated memory is still 159.4MB. Free memory was 100.0MB in the beginning and 74.4MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-29 02:42:05,641 INFO L158 Benchmark]: TraceAbstraction took 12511.60ms. Allocated memory was 159.4MB in the beginning and 572.5MB in the end (delta: 413.1MB). Free memory was 73.6MB in the beginning and 237.0MB in the end (delta: -163.4MB). Peak memory consumption was 251.2MB. Max. memory is 16.1GB. [2023-11-29 02:42:05,641 INFO L158 Benchmark]: Witness Printer took 106.63ms. Allocated memory is still 572.5MB. Free memory was 237.0MB in the beginning and 230.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 02:42:05,643 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.11ms. Allocated memory is still 159.4MB. Free memory was 117.1MB in the beginning and 104.6MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.01ms. Allocated memory is still 159.4MB. Free memory was 104.6MB in the beginning and 102.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.43ms. Allocated memory is still 159.4MB. Free memory was 102.5MB in the beginning and 100.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 585.66ms. Allocated memory is still 159.4MB. Free memory was 100.0MB in the beginning and 74.4MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 12511.60ms. Allocated memory was 159.4MB in the beginning and 572.5MB in the end (delta: 413.1MB). Free memory was 73.6MB in the beginning and 237.0MB in the end (delta: -163.4MB). Peak memory consumption was 251.2MB. Max. memory is 16.1GB. * Witness Printer took 106.63ms. Allocated memory is still 572.5MB. Free memory was 237.0MB in the beginning and 230.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: 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: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: 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: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: 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 7 procedures, 391 locations, 49 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: 12.3s, OverallIterations: 21, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1593 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 808 mSDsluCounter, 452 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 329 mSDsCounter, 577 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2863 IncrementalHoareTripleChecker+Invalid, 3440 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 577 mSolverCounterUnsat, 123 mSDtfsCounter, 2863 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 83 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=601occurred in iteration=12, InterpolantAutomatonStates: 93, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 1894 NumberOfCodeBlocks, 1894 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 1873 ConstructedInterpolants, 0 QuantifiedInterpolants, 2822 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 PerfectInterpolantSequences, 2/2 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 30 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 02:42:05,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b31f5569-bfd0-4049-a052-c7468fc3822a/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