./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i --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_7f023898-4bb3-452f-a253-44bb9a3ba99b/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f023898-4bb3-452f-a253-44bb9a3ba99b/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_7f023898-4bb3-452f-a253-44bb9a3ba99b/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f023898-4bb3-452f-a253-44bb9a3ba99b/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f023898-4bb3-452f-a253-44bb9a3ba99b/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_7f023898-4bb3-452f-a253-44bb9a3ba99b/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 c74b9abfd84bef3aa9e712193319c6938e59ac72c91a2b202dc32aee3a54e2e3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:02:46,072 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:02:46,138 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f023898-4bb3-452f-a253-44bb9a3ba99b/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 04:02:46,142 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:02:46,143 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:02:46,166 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:02:46,166 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:02:46,167 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:02:46,168 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:02:46,168 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:02:46,169 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:02:46,169 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:02:46,170 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:02:46,170 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:02:46,171 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:02:46,171 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:02:46,172 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:02:46,172 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:02:46,173 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:02:46,173 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:02:46,174 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:02:46,175 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:02:46,175 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 04:02:46,175 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 04:02:46,176 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:02:46,176 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:02:46,177 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:02:46,177 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:02:46,177 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:02:46,178 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:02:46,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:02:46,179 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:02:46,179 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:02:46,179 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:02:46,180 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:02:46,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:02:46,180 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:02:46,180 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:02:46,180 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:02:46,181 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:02:46,181 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:02:46,181 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_7f023898-4bb3-452f-a253-44bb9a3ba99b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f023898-4bb3-452f-a253-44bb9a3ba99b/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c74b9abfd84bef3aa9e712193319c6938e59ac72c91a2b202dc32aee3a54e2e3 [2023-11-29 04:02:46,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:02:46,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:02:46,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:02:46,423 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:02:46,423 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:02:46,424 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f023898-4bb3-452f-a253-44bb9a3ba99b/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i [2023-11-29 04:02:49,146 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:02:49,400 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:02:49,401 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f023898-4bb3-452f-a253-44bb9a3ba99b/sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i [2023-11-29 04:02:49,429 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f023898-4bb3-452f-a253-44bb9a3ba99b/bin/uautomizer-verify-BQ2R08f2Ya/data/f991bb552/3d37ac18b18845c096fbcb214cf08d2b/FLAG12b8b5407 [2023-11-29 04:02:49,443 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f023898-4bb3-452f-a253-44bb9a3ba99b/bin/uautomizer-verify-BQ2R08f2Ya/data/f991bb552/3d37ac18b18845c096fbcb214cf08d2b [2023-11-29 04:02:49,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:02:49,447 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:02:49,449 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:02:49,449 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:02:49,454 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:02:49,455 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:02:49" (1/1) ... [2023-11-29 04:02:49,456 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4006b3ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:02:49, skipping insertion in model container [2023-11-29 04:02:49,456 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:02:49" (1/1) ... [2023-11-29 04:02:49,534 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:02:49,879 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:02:49,893 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:02:49,941 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:02:49,986 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:02:49,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:02:49 WrapperNode [2023-11-29 04:02:49,987 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:02:49,988 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:02:49,988 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:02:49,988 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:02:49,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:02:49" (1/1) ... [2023-11-29 04:02:50,012 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:02:49" (1/1) ... [2023-11-29 04:02:50,043 INFO L138 Inliner]: procedures = 190, calls = 33, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 214 [2023-11-29 04:02:50,043 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:02:50,044 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:02:50,044 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:02:50,044 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:02:50,054 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:02:49" (1/1) ... [2023-11-29 04:02:50,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:02:49" (1/1) ... [2023-11-29 04:02:50,060 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:02:49" (1/1) ... [2023-11-29 04:02:50,060 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:02:49" (1/1) ... [2023-11-29 04:02:50,078 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:02:49" (1/1) ... [2023-11-29 04:02:50,080 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:02:49" (1/1) ... [2023-11-29 04:02:50,083 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:02:49" (1/1) ... [2023-11-29 04:02:50,085 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:02:49" (1/1) ... [2023-11-29 04:02:50,089 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:02:50,090 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:02:50,090 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:02:50,090 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:02:50,091 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:02:49" (1/1) ... [2023-11-29 04:02:50,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:02:50,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f023898-4bb3-452f-a253-44bb9a3ba99b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:02:50,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f023898-4bb3-452f-a253-44bb9a3ba99b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:02:50,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f023898-4bb3-452f-a253-44bb9a3ba99b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:02:50,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 04:02:50,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 04:02:50,154 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-29 04:02:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 04:02:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:02:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 04:02:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-29 04:02:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-29 04:02:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-29 04:02:50,155 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-29 04:02:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 04:02:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 04:02:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-29 04:02:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:02:50,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:02:50,158 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 04:02:50,295 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:02:50,297 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:02:50,714 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:02:50,738 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:02:50,738 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 04:02:50,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:02:50 BoogieIcfgContainer [2023-11-29 04:02:50,740 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:02:50,743 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:02:50,743 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:02:50,746 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:02:50,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:02:49" (1/3) ... [2023-11-29 04:02:50,747 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@644acbb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:02:50, skipping insertion in model container [2023-11-29 04:02:50,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:02:49" (2/3) ... [2023-11-29 04:02:50,748 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@644acbb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:02:50, skipping insertion in model container [2023-11-29 04:02:50,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:02:50" (3/3) ... [2023-11-29 04:02:50,749 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_06-ptra_nr.i [2023-11-29 04:02:50,758 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 04:02:50,769 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:02:50,769 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2023-11-29 04:02:50,769 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 04:02:50,855 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-29 04:02:50,894 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 251 places, 247 transitions, 498 flow [2023-11-29 04:02:50,990 INFO L124 PetriNetUnfolderBase]: 0/246 cut-off events. [2023-11-29 04:02:50,990 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 04:02:50,994 INFO L83 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 246 events. 0/246 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 96 event pairs, 0 based on Foata normal form. 0/224 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-11-29 04:02:50,994 INFO L82 GeneralOperation]: Start removeDead. Operand has 251 places, 247 transitions, 498 flow [2023-11-29 04:02:51,002 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 250 places, 246 transitions, 495 flow [2023-11-29 04:02:51,013 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:02:51,020 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;@4e6fcd41, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:02:51,020 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2023-11-29 04:02:51,030 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 04:02:51,030 INFO L124 PetriNetUnfolderBase]: 0/39 cut-off events. [2023-11-29 04:02:51,030 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 04:02:51,030 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:02:51,031 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] [2023-11-29 04:02:51,032 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-29 04:02:51,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:02:51,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1912841911, now seen corresponding path program 1 times [2023-11-29 04:02:51,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:02:51,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961829672] [2023-11-29 04:02:51,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:51,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:02:51,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:51,732 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 04:02:51,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:02:51,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961829672] [2023-11-29 04:02:51,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961829672] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:02:51,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:02:51,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:02:51,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971210825] [2023-11-29 04:02:51,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:02:51,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:02:51,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:02:51,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:02:51,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:02:52,375 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 247 [2023-11-29 04:02:52,381 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 246 transitions, 495 flow. Second operand has 6 states, 6 states have (on average 178.33333333333334) internal successors, (1070), 6 states have internal predecessors, (1070), 0 states have call successors, (0), 0 states 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 04:02:52,381 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:02:52,381 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 247 [2023-11-29 04:02:52,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:02:52,746 INFO L124 PetriNetUnfolderBase]: 220/1094 cut-off events. [2023-11-29 04:02:52,746 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-29 04:02:52,753 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1606 conditions, 1094 events. 220/1094 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5585 event pairs, 220 based on Foata normal form. 0/987 useless extension candidates. Maximal degree in co-relation 1430. Up to 493 conditions per place. [2023-11-29 04:02:52,759 INFO L140 encePairwiseOnDemand]: 229/247 looper letters, 52 selfloop transitions, 15 changer transitions 0/243 dead transitions. [2023-11-29 04:02:52,760 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 243 transitions, 623 flow [2023-11-29 04:02:52,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:02:52,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:02:52,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1132 transitions. [2023-11-29 04:02:52,780 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7638326585695007 [2023-11-29 04:02:52,781 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1132 transitions. [2023-11-29 04:02:52,781 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1132 transitions. [2023-11-29 04:02:52,784 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:02:52,786 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1132 transitions. [2023-11-29 04:02:52,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 188.66666666666666) internal successors, (1132), 6 states have internal predecessors, (1132), 0 states have call successors, (0), 0 states 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 04:02:52,799 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states 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 04:02:52,800 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states 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 04:02:52,802 INFO L175 Difference]: Start difference. First operand has 250 places, 246 transitions, 495 flow. Second operand 6 states and 1132 transitions. [2023-11-29 04:02:52,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 243 transitions, 623 flow [2023-11-29 04:02:52,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 243 transitions, 622 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 04:02:52,815 INFO L231 Difference]: Finished difference. Result has 251 places, 243 transitions, 518 flow [2023-11-29 04:02:52,817 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=488, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=518, PETRI_PLACES=251, PETRI_TRANSITIONS=243} [2023-11-29 04:02:52,821 INFO L281 CegarLoopForPetriNet]: 250 programPoint places, 1 predicate places. [2023-11-29 04:02:52,821 INFO L495 AbstractCegarLoop]: Abstraction has has 251 places, 243 transitions, 518 flow [2023-11-29 04:02:52,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 178.33333333333334) internal successors, (1070), 6 states have internal predecessors, (1070), 0 states have call successors, (0), 0 states 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 04:02:52,822 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:02:52,822 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] [2023-11-29 04:02:52,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 04:02:52,823 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-29 04:02:52,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:02:52,824 INFO L85 PathProgramCache]: Analyzing trace with hash -784030544, now seen corresponding path program 1 times [2023-11-29 04:02:52,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:02:52,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506654490] [2023-11-29 04:02:52,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:52,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:02:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:53,230 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 04:02:53,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:02:53,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506654490] [2023-11-29 04:02:53,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506654490] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:02:53,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:02:53,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:02:53,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807501895] [2023-11-29 04:02:53,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:02:53,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:02:53,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:02:53,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:02:53,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:02:53,715 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 247 [2023-11-29 04:02:53,717 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 243 transitions, 518 flow. Second operand has 6 states, 6 states have (on average 178.33333333333334) internal successors, (1070), 6 states have internal predecessors, (1070), 0 states have call successors, (0), 0 states 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 04:02:53,717 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:02:53,717 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 247 [2023-11-29 04:02:53,718 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:02:53,978 INFO L124 PetriNetUnfolderBase]: 220/1091 cut-off events. [2023-11-29 04:02:53,978 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 04:02:53,981 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1618 conditions, 1091 events. 220/1091 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5571 event pairs, 220 based on Foata normal form. 0/987 useless extension candidates. Maximal degree in co-relation 1455. Up to 493 conditions per place. [2023-11-29 04:02:53,986 INFO L140 encePairwiseOnDemand]: 229/247 looper letters, 52 selfloop transitions, 15 changer transitions 0/240 dead transitions. [2023-11-29 04:02:53,987 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 240 transitions, 646 flow [2023-11-29 04:02:53,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:02:53,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:02:53,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1132 transitions. [2023-11-29 04:02:53,991 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7638326585695007 [2023-11-29 04:02:53,992 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1132 transitions. [2023-11-29 04:02:53,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1132 transitions. [2023-11-29 04:02:53,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:02:53,993 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1132 transitions. [2023-11-29 04:02:53,997 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 188.66666666666666) internal successors, (1132), 6 states have internal predecessors, (1132), 0 states have call successors, (0), 0 states 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 04:02:54,001 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states 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 04:02:54,003 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states 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 04:02:54,003 INFO L175 Difference]: Start difference. First operand has 251 places, 243 transitions, 518 flow. Second operand 6 states and 1132 transitions. [2023-11-29 04:02:54,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 240 transitions, 646 flow [2023-11-29 04:02:54,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 240 transitions, 616 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 04:02:54,010 INFO L231 Difference]: Finished difference. Result has 248 places, 240 transitions, 512 flow [2023-11-29 04:02:54,011 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=482, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=512, PETRI_PLACES=248, PETRI_TRANSITIONS=240} [2023-11-29 04:02:54,012 INFO L281 CegarLoopForPetriNet]: 250 programPoint places, -2 predicate places. [2023-11-29 04:02:54,012 INFO L495 AbstractCegarLoop]: Abstraction has has 248 places, 240 transitions, 512 flow [2023-11-29 04:02:54,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 178.33333333333334) internal successors, (1070), 6 states have internal predecessors, (1070), 0 states have call successors, (0), 0 states 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 04:02:54,013 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:02:54,013 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] [2023-11-29 04:02:54,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 04:02:54,014 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-29 04:02:54,014 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:02:54,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1099775688, now seen corresponding path program 1 times [2023-11-29 04:02:54,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:02:54,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860216041] [2023-11-29 04:02:54,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:54,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:02:54,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:54,067 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 04:02:54,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:02:54,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860216041] [2023-11-29 04:02:54,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860216041] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:02:54,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:02:54,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:02:54,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972284734] [2023-11-29 04:02:54,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:02:54,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:02:54,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:02:54,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:02:54,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:02:54,101 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 247 [2023-11-29 04:02:54,102 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 240 transitions, 512 flow. Second operand has 3 states, 3 states have (on average 231.33333333333334) internal successors, (694), 3 states have internal predecessors, (694), 0 states have call successors, (0), 0 states 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 04:02:54,102 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:02:54,102 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 247 [2023-11-29 04:02:54,103 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:02:54,175 INFO L124 PetriNetUnfolderBase]: 16/379 cut-off events. [2023-11-29 04:02:54,175 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 04:02:54,176 INFO L83 FinitePrefix]: Finished finitePrefix Result has 447 conditions, 379 events. 16/379 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 788 event pairs, 16 based on Foata normal form. 0/344 useless extension candidates. Maximal degree in co-relation 296. Up to 47 conditions per place. [2023-11-29 04:02:54,178 INFO L140 encePairwiseOnDemand]: 244/247 looper letters, 14 selfloop transitions, 2 changer transitions 0/239 dead transitions. [2023-11-29 04:02:54,178 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 239 transitions, 542 flow [2023-11-29 04:02:54,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:02:54,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:02:54,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 707 transitions. [2023-11-29 04:02:54,181 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9541160593792173 [2023-11-29 04:02:54,182 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 707 transitions. [2023-11-29 04:02:54,182 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 707 transitions. [2023-11-29 04:02:54,183 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:02:54,183 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 707 transitions. [2023-11-29 04:02:54,186 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 235.66666666666666) internal successors, (707), 3 states have internal predecessors, (707), 0 states have call successors, (0), 0 states 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 04:02:54,188 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states 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 04:02:54,189 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states 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 04:02:54,190 INFO L175 Difference]: Start difference. First operand has 248 places, 240 transitions, 512 flow. Second operand 3 states and 707 transitions. [2023-11-29 04:02:54,190 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 239 transitions, 542 flow [2023-11-29 04:02:54,192 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 239 transitions, 512 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 04:02:54,197 INFO L231 Difference]: Finished difference. Result has 244 places, 239 transitions, 484 flow [2023-11-29 04:02:54,198 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=480, PETRI_DIFFERENCE_MINUEND_PLACES=242, 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=484, PETRI_PLACES=244, PETRI_TRANSITIONS=239} [2023-11-29 04:02:54,199 INFO L281 CegarLoopForPetriNet]: 250 programPoint places, -6 predicate places. [2023-11-29 04:02:54,199 INFO L495 AbstractCegarLoop]: Abstraction has has 244 places, 239 transitions, 484 flow [2023-11-29 04:02:54,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 231.33333333333334) internal successors, (694), 3 states have internal predecessors, (694), 0 states have call successors, (0), 0 states 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 04:02:54,200 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:02:54,200 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] [2023-11-29 04:02:54,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 04:02:54,200 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-29 04:02:54,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:02:54,201 INFO L85 PathProgramCache]: Analyzing trace with hash -652756007, now seen corresponding path program 1 times [2023-11-29 04:02:54,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:02:54,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448898284] [2023-11-29 04:02:54,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:54,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:02:54,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:54,261 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 04:02:54,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:02:54,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448898284] [2023-11-29 04:02:54,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448898284] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:02:54,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:02:54,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:02:54,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994583689] [2023-11-29 04:02:54,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:02:54,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:02:54,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:02:54,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:02:54,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:02:54,285 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 247 [2023-11-29 04:02:54,287 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 239 transitions, 484 flow. Second operand has 3 states, 3 states have (on average 227.0) internal successors, (681), 3 states have internal predecessors, (681), 0 states have call successors, (0), 0 states 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 04:02:54,287 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:02:54,287 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 247 [2023-11-29 04:02:54,287 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:02:54,374 INFO L124 PetriNetUnfolderBase]: 24/454 cut-off events. [2023-11-29 04:02:54,374 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-29 04:02:54,375 INFO L83 FinitePrefix]: Finished finitePrefix Result has 525 conditions, 454 events. 24/454 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1241 event pairs, 24 based on Foata normal form. 0/421 useless extension candidates. Maximal degree in co-relation 461. Up to 63 conditions per place. [2023-11-29 04:02:54,377 INFO L140 encePairwiseOnDemand]: 241/247 looper letters, 15 selfloop transitions, 1 changer transitions 0/234 dead transitions. [2023-11-29 04:02:54,377 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 234 transitions, 506 flow [2023-11-29 04:02:54,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:02:54,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:02:54,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 699 transitions. [2023-11-29 04:02:54,380 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9433198380566802 [2023-11-29 04:02:54,380 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 699 transitions. [2023-11-29 04:02:54,380 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 699 transitions. [2023-11-29 04:02:54,381 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:02:54,381 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 699 transitions. [2023-11-29 04:02:54,383 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 0 states have call successors, (0), 0 states 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 04:02:54,386 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states 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 04:02:54,386 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states 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 04:02:54,387 INFO L175 Difference]: Start difference. First operand has 244 places, 239 transitions, 484 flow. Second operand 3 states and 699 transitions. [2023-11-29 04:02:54,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 234 transitions, 506 flow [2023-11-29 04:02:54,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 234 transitions, 502 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:02:54,392 INFO L231 Difference]: Finished difference. Result has 239 places, 234 transitions, 472 flow [2023-11-29 04:02:54,393 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=472, PETRI_PLACES=239, PETRI_TRANSITIONS=234} [2023-11-29 04:02:54,393 INFO L281 CegarLoopForPetriNet]: 250 programPoint places, -11 predicate places. [2023-11-29 04:02:54,394 INFO L495 AbstractCegarLoop]: Abstraction has has 239 places, 234 transitions, 472 flow [2023-11-29 04:02:54,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 227.0) internal successors, (681), 3 states have internal predecessors, (681), 0 states have call successors, (0), 0 states 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 04:02:54,395 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:02:54,395 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 04:02:54,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 04:02:54,395 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-29 04:02:54,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:02:54,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1566696462, now seen corresponding path program 1 times [2023-11-29 04:02:54,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:02:54,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123603935] [2023-11-29 04:02:54,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:54,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:02:54,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:54,884 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 04:02:54,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:02:54,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123603935] [2023-11-29 04:02:54,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123603935] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:02:54,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:02:54,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:02:54,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482359770] [2023-11-29 04:02:54,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:02:54,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:02:54,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:02:54,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:02:54,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:02:55,160 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 247 [2023-11-29 04:02:55,161 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 234 transitions, 472 flow. Second operand has 6 states, 6 states have (on average 179.16666666666666) internal successors, (1075), 6 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states 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 04:02:55,162 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:02:55,162 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 247 [2023-11-29 04:02:55,162 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:02:55,350 INFO L124 PetriNetUnfolderBase]: 288/1234 cut-off events. [2023-11-29 04:02:55,350 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 04:02:55,351 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1887 conditions, 1234 events. 288/1234 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6632 event pairs, 288 based on Foata normal form. 0/1174 useless extension candidates. Maximal degree in co-relation 1813. Up to 643 conditions per place. [2023-11-29 04:02:55,356 INFO L140 encePairwiseOnDemand]: 241/247 looper letters, 66 selfloop transitions, 5 changer transitions 0/233 dead transitions. [2023-11-29 04:02:55,357 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 233 transitions, 612 flow [2023-11-29 04:02:55,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:02:55,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:02:55,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1122 transitions. [2023-11-29 04:02:55,361 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.757085020242915 [2023-11-29 04:02:55,362 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1122 transitions. [2023-11-29 04:02:55,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1122 transitions. [2023-11-29 04:02:55,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:02:55,363 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1122 transitions. [2023-11-29 04:02:55,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 187.0) internal successors, (1122), 6 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states 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 04:02:55,370 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states 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 04:02:55,371 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states 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 04:02:55,371 INFO L175 Difference]: Start difference. First operand has 239 places, 234 transitions, 472 flow. Second operand 6 states and 1122 transitions. [2023-11-29 04:02:55,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 233 transitions, 612 flow [2023-11-29 04:02:55,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 233 transitions, 611 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 04:02:55,377 INFO L231 Difference]: Finished difference. Result has 242 places, 233 transitions, 479 flow [2023-11-29 04:02:55,378 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=469, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=479, PETRI_PLACES=242, PETRI_TRANSITIONS=233} [2023-11-29 04:02:55,378 INFO L281 CegarLoopForPetriNet]: 250 programPoint places, -8 predicate places. [2023-11-29 04:02:55,379 INFO L495 AbstractCegarLoop]: Abstraction has has 242 places, 233 transitions, 479 flow [2023-11-29 04:02:55,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 179.16666666666666) internal successors, (1075), 6 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states 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 04:02:55,379 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:02:55,380 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 04:02:55,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 04:02:55,380 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-29 04:02:55,380 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:02:55,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1018168467, now seen corresponding path program 1 times [2023-11-29 04:02:55,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:02:55,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180177828] [2023-11-29 04:02:55,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:55,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:02:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:55,459 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 04:02:55,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:02:55,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180177828] [2023-11-29 04:02:55,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180177828] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:02:55,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:02:55,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:02:55,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898649471] [2023-11-29 04:02:55,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:02:55,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:02:55,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:02:55,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:02:55,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:02:55,475 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 247 [2023-11-29 04:02:55,476 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 233 transitions, 479 flow. Second operand has 3 states, 3 states have (on average 235.33333333333334) internal successors, (706), 3 states have internal predecessors, (706), 0 states have call successors, (0), 0 states 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 04:02:55,476 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:02:55,476 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 247 [2023-11-29 04:02:55,476 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:02:55,524 INFO L124 PetriNetUnfolderBase]: 6/298 cut-off events. [2023-11-29 04:02:55,524 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 04:02:55,525 INFO L83 FinitePrefix]: Finished finitePrefix Result has 333 conditions, 298 events. 6/298 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 399 event pairs, 6 based on Foata normal form. 0/281 useless extension candidates. Maximal degree in co-relation 269. Up to 23 conditions per place. [2023-11-29 04:02:55,526 INFO L140 encePairwiseOnDemand]: 244/247 looper letters, 10 selfloop transitions, 2 changer transitions 0/232 dead transitions. [2023-11-29 04:02:55,526 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 232 transitions, 501 flow [2023-11-29 04:02:55,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:02:55,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:02:55,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 715 transitions. [2023-11-29 04:02:55,529 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9649122807017544 [2023-11-29 04:02:55,529 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 715 transitions. [2023-11-29 04:02:55,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 715 transitions. [2023-11-29 04:02:55,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:02:55,530 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 715 transitions. [2023-11-29 04:02:55,532 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 238.33333333333334) internal successors, (715), 3 states have internal predecessors, (715), 0 states have call successors, (0), 0 states 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 04:02:55,534 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states 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 04:02:55,534 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states 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 04:02:55,535 INFO L175 Difference]: Start difference. First operand has 242 places, 233 transitions, 479 flow. Second operand 3 states and 715 transitions. [2023-11-29 04:02:55,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 232 transitions, 501 flow [2023-11-29 04:02:55,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 232 transitions, 491 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 04:02:55,540 INFO L231 Difference]: Finished difference. Result has 238 places, 232 transitions, 471 flow [2023-11-29 04:02:55,540 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=467, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=471, PETRI_PLACES=238, PETRI_TRANSITIONS=232} [2023-11-29 04:02:55,541 INFO L281 CegarLoopForPetriNet]: 250 programPoint places, -12 predicate places. [2023-11-29 04:02:55,541 INFO L495 AbstractCegarLoop]: Abstraction has has 238 places, 232 transitions, 471 flow [2023-11-29 04:02:55,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 235.33333333333334) internal successors, (706), 3 states have internal predecessors, (706), 0 states have call successors, (0), 0 states 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 04:02:55,542 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:02:55,542 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] [2023-11-29 04:02:55,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 04:02:55,542 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-29 04:02:55,543 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:02:55,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1539732976, now seen corresponding path program 1 times [2023-11-29 04:02:55,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:02:55,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963011000] [2023-11-29 04:02:55,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:55,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:02:55,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:55,609 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 04:02:55,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:02:55,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963011000] [2023-11-29 04:02:55,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963011000] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:02:55,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:02:55,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:02:55,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217801285] [2023-11-29 04:02:55,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:02:55,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:02:55,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:02:55,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:02:55,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:02:55,618 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 247 [2023-11-29 04:02:55,619 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 232 transitions, 471 flow. Second operand has 3 states, 3 states have (on average 239.0) internal successors, (717), 3 states have internal predecessors, (717), 0 states have call successors, (0), 0 states 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 04:02:55,619 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:02:55,619 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 247 [2023-11-29 04:02:55,619 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:02:55,664 INFO L124 PetriNetUnfolderBase]: 4/295 cut-off events. [2023-11-29 04:02:55,664 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-29 04:02:55,664 INFO L83 FinitePrefix]: Finished finitePrefix Result has 319 conditions, 295 events. 4/295 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 259 event pairs, 4 based on Foata normal form. 0/280 useless extension candidates. Maximal degree in co-relation 256. Up to 15 conditions per place. [2023-11-29 04:02:55,665 INFO L140 encePairwiseOnDemand]: 245/247 looper letters, 7 selfloop transitions, 1 changer transitions 0/231 dead transitions. [2023-11-29 04:02:55,665 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 231 transitions, 485 flow [2023-11-29 04:02:55,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:02:55,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:02:55,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 723 transitions. [2023-11-29 04:02:55,668 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9757085020242915 [2023-11-29 04:02:55,669 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 723 transitions. [2023-11-29 04:02:55,669 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 723 transitions. [2023-11-29 04:02:55,669 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:02:55,669 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 723 transitions. [2023-11-29 04:02:55,672 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 241.0) internal successors, (723), 3 states have internal predecessors, (723), 0 states have call successors, (0), 0 states 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 04:02:55,674 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states 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 04:02:55,674 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states 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 04:02:55,674 INFO L175 Difference]: Start difference. First operand has 238 places, 232 transitions, 471 flow. Second operand 3 states and 723 transitions. [2023-11-29 04:02:55,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 231 transitions, 485 flow [2023-11-29 04:02:55,676 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 231 transitions, 481 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:02:55,680 INFO L231 Difference]: Finished difference. Result has 237 places, 231 transitions, 467 flow [2023-11-29 04:02:55,680 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=465, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=467, PETRI_PLACES=237, PETRI_TRANSITIONS=231} [2023-11-29 04:02:55,681 INFO L281 CegarLoopForPetriNet]: 250 programPoint places, -13 predicate places. [2023-11-29 04:02:55,681 INFO L495 AbstractCegarLoop]: Abstraction has has 237 places, 231 transitions, 467 flow [2023-11-29 04:02:55,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 239.0) internal successors, (717), 3 states have internal predecessors, (717), 0 states have call successors, (0), 0 states 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 04:02:55,682 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:02:55,682 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:02:55,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 04:02:55,682 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-29 04:02:55,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:02:55,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1201317940, now seen corresponding path program 1 times [2023-11-29 04:02:55,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:02:55,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282238114] [2023-11-29 04:02:55,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:55,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:02:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:56,404 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 04:02:56,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:02:56,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282238114] [2023-11-29 04:02:56,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282238114] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:02:56,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:02:56,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:02:56,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556553043] [2023-11-29 04:02:56,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:02:56,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:02:56,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:02:56,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:02:56,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:02:56,792 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 247 [2023-11-29 04:02:56,793 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 231 transitions, 467 flow. Second operand has 6 states, 6 states have (on average 188.33333333333334) internal successors, (1130), 6 states have internal predecessors, (1130), 0 states have call successors, (0), 0 states 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 04:02:56,793 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:02:56,794 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 247 [2023-11-29 04:02:56,794 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:02:57,201 INFO L124 PetriNetUnfolderBase]: 316/1559 cut-off events. [2023-11-29 04:02:57,201 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 04:02:57,203 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2299 conditions, 1559 events. 316/1559 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 9381 event pairs, 32 based on Foata normal form. 0/1469 useless extension candidates. Maximal degree in co-relation 2226. Up to 388 conditions per place. [2023-11-29 04:02:57,208 INFO L140 encePairwiseOnDemand]: 219/247 looper letters, 107 selfloop transitions, 70 changer transitions 0/343 dead transitions. [2023-11-29 04:02:57,208 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 343 transitions, 1045 flow [2023-11-29 04:02:57,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:02:57,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:02:57,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1271 transitions. [2023-11-29 04:02:57,212 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8576248313090419 [2023-11-29 04:02:57,213 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1271 transitions. [2023-11-29 04:02:57,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1271 transitions. [2023-11-29 04:02:57,214 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:02:57,214 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1271 transitions. [2023-11-29 04:02:57,217 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 211.83333333333334) internal successors, (1271), 6 states have internal predecessors, (1271), 0 states have call successors, (0), 0 states 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 04:02:57,220 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states 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 04:02:57,220 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states 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 04:02:57,220 INFO L175 Difference]: Start difference. First operand has 237 places, 231 transitions, 467 flow. Second operand 6 states and 1271 transitions. [2023-11-29 04:02:57,221 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 343 transitions, 1045 flow [2023-11-29 04:02:57,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 343 transitions, 1044 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 04:02:57,228 INFO L231 Difference]: Finished difference. Result has 245 places, 301 transitions, 944 flow [2023-11-29 04:02:57,228 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=464, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=944, PETRI_PLACES=245, PETRI_TRANSITIONS=301} [2023-11-29 04:02:57,229 INFO L281 CegarLoopForPetriNet]: 250 programPoint places, -5 predicate places. [2023-11-29 04:02:57,229 INFO L495 AbstractCegarLoop]: Abstraction has has 245 places, 301 transitions, 944 flow [2023-11-29 04:02:57,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 188.33333333333334) internal successors, (1130), 6 states have internal predecessors, (1130), 0 states have call successors, (0), 0 states 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 04:02:57,230 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:02:57,230 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:02:57,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 04:02:57,230 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-29 04:02:57,231 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:02:57,231 INFO L85 PathProgramCache]: Analyzing trace with hash -275862944, now seen corresponding path program 1 times [2023-11-29 04:02:57,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:02:57,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768383669] [2023-11-29 04:02:57,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:57,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:02:57,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:57,733 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 04:02:57,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:02:57,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768383669] [2023-11-29 04:02:57,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768383669] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:02:57,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:02:57,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:02:57,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505916888] [2023-11-29 04:02:57,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:02:57,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:02:57,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:02:57,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:02:57,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:02:58,096 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 247 [2023-11-29 04:02:58,097 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 301 transitions, 944 flow. Second operand has 6 states, 6 states have (on average 189.16666666666666) internal successors, (1135), 6 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states 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 04:02:58,098 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:02:58,098 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 247 [2023-11-29 04:02:58,098 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:02:58,528 INFO L124 PetriNetUnfolderBase]: 588/2353 cut-off events. [2023-11-29 04:02:58,528 INFO L125 PetriNetUnfolderBase]: For 603/609 co-relation queries the response was YES. [2023-11-29 04:02:58,531 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4751 conditions, 2353 events. 588/2353 cut-off events. For 603/609 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 15683 event pairs, 222 based on Foata normal form. 0/2244 useless extension candidates. Maximal degree in co-relation 4676. Up to 1090 conditions per place. [2023-11-29 04:02:58,540 INFO L140 encePairwiseOnDemand]: 232/247 looper letters, 114 selfloop transitions, 48 changer transitions 0/352 dead transitions. [2023-11-29 04:02:58,540 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 352 transitions, 1440 flow [2023-11-29 04:02:58,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:02:58,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:02:58,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1208 transitions. [2023-11-29 04:02:58,544 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.815114709851552 [2023-11-29 04:02:58,544 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1208 transitions. [2023-11-29 04:02:58,544 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1208 transitions. [2023-11-29 04:02:58,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:02:58,545 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1208 transitions. [2023-11-29 04:02:58,548 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 201.33333333333334) internal successors, (1208), 6 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states 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 04:02:58,551 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states 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 04:02:58,552 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states 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 04:02:58,552 INFO L175 Difference]: Start difference. First operand has 245 places, 301 transitions, 944 flow. Second operand 6 states and 1208 transitions. [2023-11-29 04:02:58,552 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 352 transitions, 1440 flow [2023-11-29 04:02:58,559 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 352 transitions, 1440 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 04:02:58,564 INFO L231 Difference]: Finished difference. Result has 255 places, 344 transitions, 1332 flow [2023-11-29 04:02:58,564 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=944, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1332, PETRI_PLACES=255, PETRI_TRANSITIONS=344} [2023-11-29 04:02:58,565 INFO L281 CegarLoopForPetriNet]: 250 programPoint places, 5 predicate places. [2023-11-29 04:02:58,565 INFO L495 AbstractCegarLoop]: Abstraction has has 255 places, 344 transitions, 1332 flow [2023-11-29 04:02:58,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.16666666666666) internal successors, (1135), 6 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states 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 04:02:58,566 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:02:58,566 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:02:58,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 04:02:58,566 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-29 04:02:58,567 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:02:58,567 INFO L85 PathProgramCache]: Analyzing trace with hash -887800161, now seen corresponding path program 1 times [2023-11-29 04:02:58,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:02:58,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607689362] [2023-11-29 04:02:58,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:58,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:02:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:02:59,043 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 04:02:59,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:02:59,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607689362] [2023-11-29 04:02:59,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607689362] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:02:59,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:02:59,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:02:59,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485536559] [2023-11-29 04:02:59,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:02:59,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:02:59,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:02:59,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:02:59,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:02:59,355 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 247 [2023-11-29 04:02:59,357 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 344 transitions, 1332 flow. Second operand has 6 states, 6 states have (on average 195.16666666666666) internal successors, (1171), 6 states have internal predecessors, (1171), 0 states have call successors, (0), 0 states 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 04:02:59,357 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:02:59,357 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 247 [2023-11-29 04:02:59,357 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:02:59,921 INFO L124 PetriNetUnfolderBase]: 678/2807 cut-off events. [2023-11-29 04:02:59,921 INFO L125 PetriNetUnfolderBase]: For 1499/1547 co-relation queries the response was YES. [2023-11-29 04:02:59,925 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6364 conditions, 2807 events. 678/2807 cut-off events. For 1499/1547 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 20233 event pairs, 59 based on Foata normal form. 0/2720 useless extension candidates. Maximal degree in co-relation 6282. Up to 924 conditions per place. [2023-11-29 04:02:59,936 INFO L140 encePairwiseOnDemand]: 224/247 looper letters, 135 selfloop transitions, 136 changer transitions 4/484 dead transitions. [2023-11-29 04:02:59,936 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 484 transitions, 2638 flow [2023-11-29 04:02:59,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:02:59,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:02:59,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1271 transitions. [2023-11-29 04:02:59,941 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8576248313090419 [2023-11-29 04:02:59,941 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1271 transitions. [2023-11-29 04:02:59,941 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1271 transitions. [2023-11-29 04:02:59,942 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:02:59,942 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1271 transitions. [2023-11-29 04:02:59,946 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 211.83333333333334) internal successors, (1271), 6 states have internal predecessors, (1271), 0 states have call successors, (0), 0 states 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 04:02:59,948 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states 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 04:02:59,949 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states 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 04:02:59,949 INFO L175 Difference]: Start difference. First operand has 255 places, 344 transitions, 1332 flow. Second operand 6 states and 1271 transitions. [2023-11-29 04:02:59,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 484 transitions, 2638 flow [2023-11-29 04:02:59,959 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 260 places, 484 transitions, 2620 flow, removed 9 selfloop flow, removed 0 redundant places. [2023-11-29 04:02:59,966 INFO L231 Difference]: Finished difference. Result has 265 places, 475 transitions, 2680 flow [2023-11-29 04:02:59,967 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=1314, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=344, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2680, PETRI_PLACES=265, PETRI_TRANSITIONS=475} [2023-11-29 04:02:59,968 INFO L281 CegarLoopForPetriNet]: 250 programPoint places, 15 predicate places. [2023-11-29 04:02:59,968 INFO L495 AbstractCegarLoop]: Abstraction has has 265 places, 475 transitions, 2680 flow [2023-11-29 04:02:59,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 195.16666666666666) internal successors, (1171), 6 states have internal predecessors, (1171), 0 states have call successors, (0), 0 states 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 04:02:59,969 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:02:59,969 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:02:59,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 04:02:59,969 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-29 04:02:59,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:02:59,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1890773989, now seen corresponding path program 1 times [2023-11-29 04:02:59,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:02:59,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944652925] [2023-11-29 04:02:59,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:02:59,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:03:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:00,471 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 04:03:00,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:03:00,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944652925] [2023-11-29 04:03:00,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944652925] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:03:00,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:03:00,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:03:00,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32403473] [2023-11-29 04:03:00,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:03:00,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:03:00,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:03:00,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:03:00,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:03:00,755 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 247 [2023-11-29 04:03:00,756 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 475 transitions, 2680 flow. Second operand has 6 states, 6 states have (on average 189.16666666666666) internal successors, (1135), 6 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states 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 04:03:00,757 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:03:00,757 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 247 [2023-11-29 04:03:00,757 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:03:01,359 INFO L124 PetriNetUnfolderBase]: 968/3509 cut-off events. [2023-11-29 04:03:01,359 INFO L125 PetriNetUnfolderBase]: For 3829/3901 co-relation queries the response was YES. [2023-11-29 04:03:01,367 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9750 conditions, 3509 events. 968/3509 cut-off events. For 3829/3901 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 25564 event pairs, 207 based on Foata normal form. 0/3433 useless extension candidates. Maximal degree in co-relation 9665. Up to 1565 conditions per place. [2023-11-29 04:03:01,383 INFO L140 encePairwiseOnDemand]: 232/247 looper letters, 239 selfloop transitions, 62 changer transitions 0/532 dead transitions. [2023-11-29 04:03:01,383 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 532 transitions, 3624 flow [2023-11-29 04:03:01,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:03:01,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:03:01,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1208 transitions. [2023-11-29 04:03:01,387 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.815114709851552 [2023-11-29 04:03:01,387 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1208 transitions. [2023-11-29 04:03:01,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1208 transitions. [2023-11-29 04:03:01,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:03:01,388 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1208 transitions. [2023-11-29 04:03:01,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 201.33333333333334) internal successors, (1208), 6 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states 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 04:03:01,393 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states 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 04:03:01,394 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states 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 04:03:01,394 INFO L175 Difference]: Start difference. First operand has 265 places, 475 transitions, 2680 flow. Second operand 6 states and 1208 transitions. [2023-11-29 04:03:01,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 270 places, 532 transitions, 3624 flow [2023-11-29 04:03:01,456 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 532 transitions, 3588 flow, removed 18 selfloop flow, removed 0 redundant places. [2023-11-29 04:03:01,466 INFO L231 Difference]: Finished difference. Result has 275 places, 524 transitions, 3270 flow [2023-11-29 04:03:01,467 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=2644, PETRI_DIFFERENCE_MINUEND_PLACES=265, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=475, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=437, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3270, PETRI_PLACES=275, PETRI_TRANSITIONS=524} [2023-11-29 04:03:01,468 INFO L281 CegarLoopForPetriNet]: 250 programPoint places, 25 predicate places. [2023-11-29 04:03:01,468 INFO L495 AbstractCegarLoop]: Abstraction has has 275 places, 524 transitions, 3270 flow [2023-11-29 04:03:01,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.16666666666666) internal successors, (1135), 6 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states 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 04:03:01,468 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:03:01,469 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:03:01,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 04:03:01,469 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-29 04:03:01,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:01,469 INFO L85 PathProgramCache]: Analyzing trace with hash -785837757, now seen corresponding path program 1 times [2023-11-29 04:03:01,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:03:01,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713394767] [2023-11-29 04:03:01,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:01,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:03:01,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:02,657 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 04:03:02,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:03:02,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713394767] [2023-11-29 04:03:02,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713394767] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:03:02,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:03:02,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 04:03:02,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099374110] [2023-11-29 04:03:02,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:03:02,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 04:03:02,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:03:02,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 04:03:02,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:03:04,165 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 247 [2023-11-29 04:03:04,167 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 524 transitions, 3270 flow. Second operand has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states 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 04:03:04,167 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:03:04,168 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 247 [2023-11-29 04:03:04,168 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:03:06,242 INFO L124 PetriNetUnfolderBase]: 1669/5626 cut-off events. [2023-11-29 04:03:06,242 INFO L125 PetriNetUnfolderBase]: For 9844/9915 co-relation queries the response was YES. [2023-11-29 04:03:06,255 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17656 conditions, 5626 events. 1669/5626 cut-off events. For 9844/9915 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 46341 event pairs, 96 based on Foata normal form. 48/5599 useless extension candidates. Maximal degree in co-relation 17561. Up to 1080 conditions per place. [2023-11-29 04:03:06,277 INFO L140 encePairwiseOnDemand]: 213/247 looper letters, 579 selfloop transitions, 244 changer transitions 4/1026 dead transitions. [2023-11-29 04:03:06,277 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 1026 transitions, 8946 flow [2023-11-29 04:03:06,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-11-29 04:03:06,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2023-11-29 04:03:06,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 4885 transitions. [2023-11-29 04:03:06,293 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7324936272304693 [2023-11-29 04:03:06,293 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 4885 transitions. [2023-11-29 04:03:06,294 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 4885 transitions. [2023-11-29 04:03:06,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:03:06,298 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 4885 transitions. [2023-11-29 04:03:06,312 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 180.92592592592592) internal successors, (4885), 27 states have internal predecessors, (4885), 0 states have call successors, (0), 0 states 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 04:03:06,326 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 247.0) internal successors, (6916), 28 states have internal predecessors, (6916), 0 states have call successors, (0), 0 states 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 04:03:06,328 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 247.0) internal successors, (6916), 28 states have internal predecessors, (6916), 0 states have call successors, (0), 0 states 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 04:03:06,328 INFO L175 Difference]: Start difference. First operand has 275 places, 524 transitions, 3270 flow. Second operand 27 states and 4885 transitions. [2023-11-29 04:03:06,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 1026 transitions, 8946 flow [2023-11-29 04:03:06,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 1026 transitions, 8764 flow, removed 91 selfloop flow, removed 0 redundant places. [2023-11-29 04:03:06,417 INFO L231 Difference]: Finished difference. Result has 314 places, 719 transitions, 5873 flow [2023-11-29 04:03:06,418 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=3158, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=524, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=85, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=5873, PETRI_PLACES=314, PETRI_TRANSITIONS=719} [2023-11-29 04:03:06,418 INFO L281 CegarLoopForPetriNet]: 250 programPoint places, 64 predicate places. [2023-11-29 04:03:06,418 INFO L495 AbstractCegarLoop]: Abstraction has has 314 places, 719 transitions, 5873 flow [2023-11-29 04:03:06,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states 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 04:03:06,419 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:03:06,420 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:03:06,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 04:03:06,420 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-29 04:03:06,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:06,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1273894989, now seen corresponding path program 2 times [2023-11-29 04:03:06,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:03:06,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630929028] [2023-11-29 04:03:06,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:06,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:03:06,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:07,847 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 04:03:07,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:03:07,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630929028] [2023-11-29 04:03:07,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630929028] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:03:07,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:03:07,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 04:03:07,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340770682] [2023-11-29 04:03:07,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:03:07,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 04:03:07,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:03:07,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 04:03:07,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:03:09,306 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 247 [2023-11-29 04:03:09,308 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 719 transitions, 5873 flow. Second operand has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states 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 04:03:09,308 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:03:09,308 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 247 [2023-11-29 04:03:09,308 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:03:11,817 INFO L124 PetriNetUnfolderBase]: 2396/8142 cut-off events. [2023-11-29 04:03:11,817 INFO L125 PetriNetUnfolderBase]: For 21091/21293 co-relation queries the response was YES. [2023-11-29 04:03:11,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28033 conditions, 8142 events. 2396/8142 cut-off events. For 21091/21293 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 75658 event pairs, 180 based on Foata normal form. 113/8145 useless extension candidates. Maximal degree in co-relation 27921. Up to 1561 conditions per place. [2023-11-29 04:03:11,861 INFO L140 encePairwiseOnDemand]: 208/247 looper letters, 564 selfloop transitions, 350 changer transitions 6/1119 dead transitions. [2023-11-29 04:03:11,861 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 333 places, 1119 transitions, 11149 flow [2023-11-29 04:03:11,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-29 04:03:11,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2023-11-29 04:03:11,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 3730 transitions. [2023-11-29 04:03:11,871 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7550607287449392 [2023-11-29 04:03:11,871 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 3730 transitions. [2023-11-29 04:03:11,871 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 3730 transitions. [2023-11-29 04:03:11,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:03:11,874 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 3730 transitions. [2023-11-29 04:03:11,884 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 186.5) internal successors, (3730), 20 states have internal predecessors, (3730), 0 states have call successors, (0), 0 states 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 04:03:11,892 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states 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 04:03:11,894 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states 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 04:03:11,894 INFO L175 Difference]: Start difference. First operand has 314 places, 719 transitions, 5873 flow. Second operand 20 states and 3730 transitions. [2023-11-29 04:03:11,894 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 333 places, 1119 transitions, 11149 flow [2023-11-29 04:03:12,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 331 places, 1119 transitions, 11081 flow, removed 32 selfloop flow, removed 2 redundant places. [2023-11-29 04:03:12,066 INFO L231 Difference]: Finished difference. Result has 348 places, 854 transitions, 8940 flow [2023-11-29 04:03:12,067 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=5823, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=719, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=217, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=406, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=8940, PETRI_PLACES=348, PETRI_TRANSITIONS=854} [2023-11-29 04:03:12,067 INFO L281 CegarLoopForPetriNet]: 250 programPoint places, 98 predicate places. [2023-11-29 04:03:12,068 INFO L495 AbstractCegarLoop]: Abstraction has has 348 places, 854 transitions, 8940 flow [2023-11-29 04:03:12,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states 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 04:03:12,069 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:03:12,069 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:03:12,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 04:03:12,069 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-29 04:03:12,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:12,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1946945805, now seen corresponding path program 3 times [2023-11-29 04:03:12,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:03:12,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334073352] [2023-11-29 04:03:12,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:12,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:03:12,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:13,282 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 04:03:13,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:03:13,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334073352] [2023-11-29 04:03:13,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334073352] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:03:13,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:03:13,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 04:03:13,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184723143] [2023-11-29 04:03:13,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:03:13,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 04:03:13,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:03:13,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 04:03:13,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:03:14,642 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 247 [2023-11-29 04:03:14,643 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 348 places, 854 transitions, 8940 flow. Second operand has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states 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 04:03:14,643 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:03:14,643 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 247 [2023-11-29 04:03:14,643 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:03:17,687 INFO L124 PetriNetUnfolderBase]: 2456/8297 cut-off events. [2023-11-29 04:03:17,687 INFO L125 PetriNetUnfolderBase]: For 33011/33281 co-relation queries the response was YES. [2023-11-29 04:03:17,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31557 conditions, 8297 events. 2456/8297 cut-off events. For 33011/33281 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 77181 event pairs, 128 based on Foata normal form. 154/8359 useless extension candidates. Maximal degree in co-relation 31474. Up to 1579 conditions per place. [2023-11-29 04:03:17,735 INFO L140 encePairwiseOnDemand]: 220/247 looper letters, 675 selfloop transitions, 239 changer transitions 4/1117 dead transitions. [2023-11-29 04:03:17,735 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 1117 transitions, 13154 flow [2023-11-29 04:03:17,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-29 04:03:17,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2023-11-29 04:03:17,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 4666 transitions. [2023-11-29 04:03:17,743 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7265649330426658 [2023-11-29 04:03:17,743 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 4666 transitions. [2023-11-29 04:03:17,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 4666 transitions. [2023-11-29 04:03:17,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:03:17,745 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 4666 transitions. [2023-11-29 04:03:17,751 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 179.46153846153845) internal successors, (4666), 26 states have internal predecessors, (4666), 0 states have call successors, (0), 0 states 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 04:03:17,760 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 247.0) internal successors, (6669), 27 states have internal predecessors, (6669), 0 states have call successors, (0), 0 states 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 04:03:17,761 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 247.0) internal successors, (6669), 27 states have internal predecessors, (6669), 0 states have call successors, (0), 0 states 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 04:03:17,762 INFO L175 Difference]: Start difference. First operand has 348 places, 854 transitions, 8940 flow. Second operand 26 states and 4666 transitions. [2023-11-29 04:03:17,762 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 1117 transitions, 13154 flow [2023-11-29 04:03:18,059 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 1117 transitions, 13056 flow, removed 47 selfloop flow, removed 2 redundant places. [2023-11-29 04:03:18,077 INFO L231 Difference]: Finished difference. Result has 380 places, 917 transitions, 10401 flow [2023-11-29 04:03:18,078 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=8854, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=854, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=177, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=636, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=10401, PETRI_PLACES=380, PETRI_TRANSITIONS=917} [2023-11-29 04:03:18,079 INFO L281 CegarLoopForPetriNet]: 250 programPoint places, 130 predicate places. [2023-11-29 04:03:18,079 INFO L495 AbstractCegarLoop]: Abstraction has has 380 places, 917 transitions, 10401 flow [2023-11-29 04:03:18,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states 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 04:03:18,079 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:03:18,079 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:03:18,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 04:03:18,079 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-29 04:03:18,080 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:18,080 INFO L85 PathProgramCache]: Analyzing trace with hash -970849745, now seen corresponding path program 4 times [2023-11-29 04:03:18,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:03:18,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789389303] [2023-11-29 04:03:18,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:18,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:03:18,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:19,269 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 04:03:19,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:03:19,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789389303] [2023-11-29 04:03:19,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789389303] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:03:19,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:03:19,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 04:03:19,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455878327] [2023-11-29 04:03:19,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:03:19,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 04:03:19,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:03:19,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 04:03:19,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:03:20,696 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 247 [2023-11-29 04:03:20,698 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 917 transitions, 10401 flow. Second operand has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states 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 04:03:20,698 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:03:20,698 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 247 [2023-11-29 04:03:20,699 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:03:24,492 INFO L124 PetriNetUnfolderBase]: 3205/10786 cut-off events. [2023-11-29 04:03:24,492 INFO L125 PetriNetUnfolderBase]: For 51634/52008 co-relation queries the response was YES. [2023-11-29 04:03:24,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43165 conditions, 10786 events. 3205/10786 cut-off events. For 51634/52008 co-relation queries the response was YES. Maximal size of possible extension queue 326. Compared 108014 event pairs, 231 based on Foata normal form. 206/10862 useless extension candidates. Maximal degree in co-relation 43057. Up to 2059 conditions per place. [2023-11-29 04:03:24,567 INFO L140 encePairwiseOnDemand]: 208/247 looper letters, 683 selfloop transitions, 424 changer transitions 6/1312 dead transitions. [2023-11-29 04:03:24,568 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 1312 transitions, 16859 flow [2023-11-29 04:03:24,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-29 04:03:24,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2023-11-29 04:03:24,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3904 transitions. [2023-11-29 04:03:24,573 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7526508579140158 [2023-11-29 04:03:24,573 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 3904 transitions. [2023-11-29 04:03:24,573 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 3904 transitions. [2023-11-29 04:03:24,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:03:24,574 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 3904 transitions. [2023-11-29 04:03:24,579 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 185.9047619047619) internal successors, (3904), 21 states have internal predecessors, (3904), 0 states have call successors, (0), 0 states 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 04:03:24,584 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 247.0) internal successors, (5434), 22 states have internal predecessors, (5434), 0 states have call successors, (0), 0 states 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 04:03:24,584 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 247.0) internal successors, (5434), 22 states have internal predecessors, (5434), 0 states have call successors, (0), 0 states 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 04:03:24,585 INFO L175 Difference]: Start difference. First operand has 380 places, 917 transitions, 10401 flow. Second operand 21 states and 3904 transitions. [2023-11-29 04:03:24,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 1312 transitions, 16859 flow [2023-11-29 04:03:24,913 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 1312 transitions, 16479 flow, removed 115 selfloop flow, removed 12 redundant places. [2023-11-29 04:03:24,932 INFO L231 Difference]: Finished difference. Result has 405 places, 1047 transitions, 14053 flow [2023-11-29 04:03:24,933 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=10172, PETRI_DIFFERENCE_MINUEND_PLACES=368, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=917, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=296, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=525, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=14053, PETRI_PLACES=405, PETRI_TRANSITIONS=1047} [2023-11-29 04:03:24,933 INFO L281 CegarLoopForPetriNet]: 250 programPoint places, 155 predicate places. [2023-11-29 04:03:24,933 INFO L495 AbstractCegarLoop]: Abstraction has has 405 places, 1047 transitions, 14053 flow [2023-11-29 04:03:24,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states 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 04:03:24,934 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:03:24,934 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:03:24,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 04:03:24,934 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-29 04:03:24,935 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:24,935 INFO L85 PathProgramCache]: Analyzing trace with hash -982014854, now seen corresponding path program 1 times [2023-11-29 04:03:24,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:03:24,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012105037] [2023-11-29 04:03:24,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:24,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:03:25,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:25,852 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 04:03:25,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:03:25,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012105037] [2023-11-29 04:03:25,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012105037] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:03:25,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:03:25,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 04:03:25,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234600699] [2023-11-29 04:03:25,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:03:25,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 04:03:25,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:03:25,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 04:03:25,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:03:27,424 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 247 [2023-11-29 04:03:27,426 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 1047 transitions, 14053 flow. Second operand has 13 states, 13 states have (on average 174.69230769230768) internal successors, (2271), 13 states have internal predecessors, (2271), 0 states have call successors, (0), 0 states 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 04:03:27,426 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:03:27,426 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 247 [2023-11-29 04:03:27,426 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:03:31,722 INFO L124 PetriNetUnfolderBase]: 3734/11921 cut-off events. [2023-11-29 04:03:31,722 INFO L125 PetriNetUnfolderBase]: For 68971/69354 co-relation queries the response was YES. [2023-11-29 04:03:31,778 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50747 conditions, 11921 events. 3734/11921 cut-off events. For 68971/69354 co-relation queries the response was YES. Maximal size of possible extension queue 372. Compared 119029 event pairs, 450 based on Foata normal form. 161/11936 useless extension candidates. Maximal degree in co-relation 50617. Up to 2088 conditions per place. [2023-11-29 04:03:31,810 INFO L140 encePairwiseOnDemand]: 225/247 looper letters, 603 selfloop transitions, 295 changer transitions 2/1273 dead transitions. [2023-11-29 04:03:31,810 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 1273 transitions, 18281 flow [2023-11-29 04:03:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-29 04:03:31,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2023-11-29 04:03:31,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 4358 transitions. [2023-11-29 04:03:31,815 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7351551956815114 [2023-11-29 04:03:31,815 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 4358 transitions. [2023-11-29 04:03:31,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 4358 transitions. [2023-11-29 04:03:31,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:03:31,816 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 4358 transitions. [2023-11-29 04:03:31,820 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 181.58333333333334) internal successors, (4358), 24 states have internal predecessors, (4358), 0 states have call successors, (0), 0 states 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 04:03:31,825 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 247.0) internal successors, (6175), 25 states have internal predecessors, (6175), 0 states have call successors, (0), 0 states 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 04:03:31,826 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 247.0) internal successors, (6175), 25 states have internal predecessors, (6175), 0 states have call successors, (0), 0 states 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 04:03:31,826 INFO L175 Difference]: Start difference. First operand has 405 places, 1047 transitions, 14053 flow. Second operand 24 states and 4358 transitions. [2023-11-29 04:03:31,826 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 1273 transitions, 18281 flow [2023-11-29 04:03:32,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 426 places, 1273 transitions, 18217 flow, removed 30 selfloop flow, removed 2 redundant places. [2023-11-29 04:03:32,302 INFO L231 Difference]: Finished difference. Result has 431 places, 1098 transitions, 15467 flow [2023-11-29 04:03:32,303 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=13997, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1047, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=248, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=793, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=15467, PETRI_PLACES=431, PETRI_TRANSITIONS=1098} [2023-11-29 04:03:32,303 INFO L281 CegarLoopForPetriNet]: 250 programPoint places, 181 predicate places. [2023-11-29 04:03:32,303 INFO L495 AbstractCegarLoop]: Abstraction has has 431 places, 1098 transitions, 15467 flow [2023-11-29 04:03:32,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 174.69230769230768) internal successors, (2271), 13 states have internal predecessors, (2271), 0 states have call successors, (0), 0 states 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 04:03:32,304 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:03:32,304 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:03:32,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 04:03:32,304 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-29 04:03:32,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:32,305 INFO L85 PathProgramCache]: Analyzing trace with hash -52983661, now seen corresponding path program 5 times [2023-11-29 04:03:32,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:03:32,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144863091] [2023-11-29 04:03:32,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:32,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:03:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:33,402 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 04:03:33,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:03:33,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144863091] [2023-11-29 04:03:33,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144863091] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:03:33,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:03:33,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 04:03:33,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806446401] [2023-11-29 04:03:33,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:03:33,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 04:03:33,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:03:33,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 04:03:33,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:03:34,647 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 247 [2023-11-29 04:03:34,649 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 431 places, 1098 transitions, 15467 flow. Second operand has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states 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 04:03:34,649 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:03:34,649 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 247 [2023-11-29 04:03:34,649 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:03:40,065 INFO L124 PetriNetUnfolderBase]: 4617/15654 cut-off events. [2023-11-29 04:03:40,065 INFO L125 PetriNetUnfolderBase]: For 107007/107791 co-relation queries the response was YES. [2023-11-29 04:03:40,143 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68873 conditions, 15654 events. 4617/15654 cut-off events. For 107007/107791 co-relation queries the response was YES. Maximal size of possible extension queue 528. Compared 172075 event pairs, 286 based on Foata normal form. 350/15822 useless extension candidates. Maximal degree in co-relation 68743. Up to 2944 conditions per place. [2023-11-29 04:03:40,187 INFO L140 encePairwiseOnDemand]: 210/247 looper letters, 670 selfloop transitions, 702 changer transitions 5/1586 dead transitions. [2023-11-29 04:03:40,187 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 451 places, 1586 transitions, 24986 flow [2023-11-29 04:03:40,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-29 04:03:40,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2023-11-29 04:03:40,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3872 transitions. [2023-11-29 04:03:40,192 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7464815885868518 [2023-11-29 04:03:40,192 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 3872 transitions. [2023-11-29 04:03:40,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 3872 transitions. [2023-11-29 04:03:40,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:03:40,193 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 3872 transitions. [2023-11-29 04:03:40,199 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 184.38095238095238) internal successors, (3872), 21 states have internal predecessors, (3872), 0 states have call successors, (0), 0 states 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 04:03:40,205 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 247.0) internal successors, (5434), 22 states have internal predecessors, (5434), 0 states have call successors, (0), 0 states 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 04:03:40,207 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 247.0) internal successors, (5434), 22 states have internal predecessors, (5434), 0 states have call successors, (0), 0 states 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 04:03:40,207 INFO L175 Difference]: Start difference. First operand has 431 places, 1098 transitions, 15467 flow. Second operand 21 states and 3872 transitions. [2023-11-29 04:03:40,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 451 places, 1586 transitions, 24986 flow [2023-11-29 04:03:41,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 438 places, 1586 transitions, 24415 flow, removed 26 selfloop flow, removed 13 redundant places. [2023-11-29 04:03:41,091 INFO L231 Difference]: Finished difference. Result has 454 places, 1340 transitions, 22672 flow [2023-11-29 04:03:41,092 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=15162, PETRI_DIFFERENCE_MINUEND_PLACES=418, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1098, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=469, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=492, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=22672, PETRI_PLACES=454, PETRI_TRANSITIONS=1340} [2023-11-29 04:03:41,092 INFO L281 CegarLoopForPetriNet]: 250 programPoint places, 204 predicate places. [2023-11-29 04:03:41,093 INFO L495 AbstractCegarLoop]: Abstraction has has 454 places, 1340 transitions, 22672 flow [2023-11-29 04:03:41,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states 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 04:03:41,093 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:03:41,093 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:03:41,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 04:03:41,093 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-29 04:03:41,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:41,094 INFO L85 PathProgramCache]: Analyzing trace with hash 774815539, now seen corresponding path program 6 times [2023-11-29 04:03:41,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:03:41,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616668969] [2023-11-29 04:03:41,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:41,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:03:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:41,717 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 04:03:41,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:03:41,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616668969] [2023-11-29 04:03:41,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616668969] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:03:41,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:03:41,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 04:03:41,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679643282] [2023-11-29 04:03:41,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:03:41,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 04:03:41,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:03:41,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 04:03:41,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:03:42,666 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 247 [2023-11-29 04:03:42,667 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 454 places, 1340 transitions, 22672 flow. Second operand has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states 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 04:03:42,667 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:03:42,667 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 247 [2023-11-29 04:03:42,667 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:03:49,974 INFO L124 PetriNetUnfolderBase]: 5011/16922 cut-off events. [2023-11-29 04:03:49,974 INFO L125 PetriNetUnfolderBase]: For 153362/154209 co-relation queries the response was YES. [2023-11-29 04:03:50,077 INFO L83 FinitePrefix]: Finished finitePrefix Result has 78402 conditions, 16922 events. 5011/16922 cut-off events. For 153362/154209 co-relation queries the response was YES. Maximal size of possible extension queue 588. Compared 189071 event pairs, 354 based on Foata normal form. 426/17141 useless extension candidates. Maximal degree in co-relation 78252. Up to 3207 conditions per place. [2023-11-29 04:03:50,126 INFO L140 encePairwiseOnDemand]: 213/247 looper letters, 675 selfloop transitions, 790 changer transitions 4/1678 dead transitions. [2023-11-29 04:03:50,126 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 479 places, 1678 transitions, 30292 flow [2023-11-29 04:03:50,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-29 04:03:50,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2023-11-29 04:03:50,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 4704 transitions. [2023-11-29 04:03:50,133 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7324820928059794 [2023-11-29 04:03:50,133 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 4704 transitions. [2023-11-29 04:03:50,133 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 4704 transitions. [2023-11-29 04:03:50,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:03:50,135 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 4704 transitions. [2023-11-29 04:03:50,141 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 180.92307692307693) internal successors, (4704), 26 states have internal predecessors, (4704), 0 states have call successors, (0), 0 states 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 04:03:50,146 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 247.0) internal successors, (6669), 27 states have internal predecessors, (6669), 0 states have call successors, (0), 0 states 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 04:03:50,147 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 247.0) internal successors, (6669), 27 states have internal predecessors, (6669), 0 states have call successors, (0), 0 states 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 04:03:50,147 INFO L175 Difference]: Start difference. First operand has 454 places, 1340 transitions, 22672 flow. Second operand 26 states and 4704 transitions. [2023-11-29 04:03:50,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 479 places, 1678 transitions, 30292 flow [2023-11-29 04:03:51,559 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 477 places, 1678 transitions, 30198 flow, removed 45 selfloop flow, removed 2 redundant places. [2023-11-29 04:03:51,596 INFO L231 Difference]: Finished difference. Result has 488 places, 1439 transitions, 27871 flow [2023-11-29 04:03:51,597 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=22600, PETRI_DIFFERENCE_MINUEND_PLACES=452, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=691, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=569, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=27871, PETRI_PLACES=488, PETRI_TRANSITIONS=1439} [2023-11-29 04:03:51,597 INFO L281 CegarLoopForPetriNet]: 250 programPoint places, 238 predicate places. [2023-11-29 04:03:51,597 INFO L495 AbstractCegarLoop]: Abstraction has has 488 places, 1439 transitions, 27871 flow [2023-11-29 04:03:51,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states 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 04:03:51,598 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:03:51,598 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:03:51,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 04:03:51,598 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-29 04:03:51,598 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:51,598 INFO L85 PathProgramCache]: Analyzing trace with hash -2100323341, now seen corresponding path program 7 times [2023-11-29 04:03:51,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:03:51,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803036322] [2023-11-29 04:03:51,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:51,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:03:51,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:52,235 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 04:03:52,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:03:52,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803036322] [2023-11-29 04:03:52,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803036322] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:03:52,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:03:52,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 04:03:52,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383097516] [2023-11-29 04:03:52,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:03:52,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 04:03:52,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:03:52,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 04:03:52,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:03:53,554 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 247 [2023-11-29 04:03:53,555 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 488 places, 1439 transitions, 27871 flow. Second operand has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states 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 04:03:53,556 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:03:53,556 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 247 [2023-11-29 04:03:53,556 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:04:03,030 INFO L124 PetriNetUnfolderBase]: 6562/21970 cut-off events. [2023-11-29 04:04:03,030 INFO L125 PetriNetUnfolderBase]: For 237473/238732 co-relation queries the response was YES. [2023-11-29 04:04:03,208 INFO L83 FinitePrefix]: Finished finitePrefix Result has 106110 conditions, 21970 events. 6562/21970 cut-off events. For 237473/238732 co-relation queries the response was YES. Maximal size of possible extension queue 819. Compared 260541 event pairs, 420 based on Foata normal form. 611/22338 useless extension candidates. Maximal degree in co-relation 105943. Up to 4198 conditions per place. [2023-11-29 04:04:03,271 INFO L140 encePairwiseOnDemand]: 208/247 looper letters, 757 selfloop transitions, 972 changer transitions 7/1945 dead transitions. [2023-11-29 04:04:03,271 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 517 places, 1945 transitions, 39701 flow [2023-11-29 04:04:03,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-29 04:04:03,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2023-11-29 04:04:03,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 5453 transitions. [2023-11-29 04:04:03,278 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.735897435897436 [2023-11-29 04:04:03,278 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 5453 transitions. [2023-11-29 04:04:03,278 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 5453 transitions. [2023-11-29 04:04:03,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:04:03,279 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 5453 transitions. [2023-11-29 04:04:03,284 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 181.76666666666668) internal successors, (5453), 30 states have internal predecessors, (5453), 0 states have call successors, (0), 0 states 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 04:04:03,289 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 247.0) internal successors, (7657), 31 states have internal predecessors, (7657), 0 states have call successors, (0), 0 states 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 04:04:03,290 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 247.0) internal successors, (7657), 31 states have internal predecessors, (7657), 0 states have call successors, (0), 0 states 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 04:04:03,290 INFO L175 Difference]: Start difference. First operand has 488 places, 1439 transitions, 27871 flow. Second operand 30 states and 5453 transitions. [2023-11-29 04:04:03,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 517 places, 1945 transitions, 39701 flow [2023-11-29 04:04:05,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 505 places, 1945 transitions, 39576 flow, removed 2 selfloop flow, removed 12 redundant places. [2023-11-29 04:04:05,861 INFO L231 Difference]: Finished difference. Result has 523 places, 1662 transitions, 37421 flow [2023-11-29 04:04:05,862 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=27752, PETRI_DIFFERENCE_MINUEND_PLACES=476, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1439, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=749, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=539, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=37421, PETRI_PLACES=523, PETRI_TRANSITIONS=1662} [2023-11-29 04:04:05,863 INFO L281 CegarLoopForPetriNet]: 250 programPoint places, 273 predicate places. [2023-11-29 04:04:05,863 INFO L495 AbstractCegarLoop]: Abstraction has has 523 places, 1662 transitions, 37421 flow [2023-11-29 04:04:05,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states 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 04:04:05,863 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:04:05,863 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:04:05,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 04:04:05,863 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-29 04:04:05,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:04:05,864 INFO L85 PathProgramCache]: Analyzing trace with hash -48769171, now seen corresponding path program 8 times [2023-11-29 04:04:05,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:04:05,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146156418] [2023-11-29 04:04:05,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:04:05,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:04:05,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:06,510 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 04:04:06,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:04:06,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146156418] [2023-11-29 04:04:06,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146156418] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:04:06,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:04:06,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 04:04:06,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712484968] [2023-11-29 04:04:06,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:04:06,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 04:04:06,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:04:06,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 04:04:06,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:04:07,782 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 247 [2023-11-29 04:04:07,784 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 523 places, 1662 transitions, 37421 flow. Second operand has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states 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 04:04:07,784 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:04:07,784 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 247 [2023-11-29 04:04:07,784 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:04:19,517 INFO L124 PetriNetUnfolderBase]: 6994/23387 cut-off events. [2023-11-29 04:04:19,517 INFO L125 PetriNetUnfolderBase]: For 329226/330845 co-relation queries the response was YES. [2023-11-29 04:04:19,748 INFO L83 FinitePrefix]: Finished finitePrefix Result has 120502 conditions, 23387 events. 6994/23387 cut-off events. For 329226/330845 co-relation queries the response was YES. Maximal size of possible extension queue 876. Compared 280758 event pairs, 446 based on Foata normal form. 909/24040 useless extension candidates. Maximal degree in co-relation 120317. Up to 4481 conditions per place. [2023-11-29 04:04:19,818 INFO L140 encePairwiseOnDemand]: 213/247 looper letters, 863 selfloop transitions, 999 changer transitions 4/2075 dead transitions. [2023-11-29 04:04:19,818 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 549 places, 2075 transitions, 47853 flow [2023-11-29 04:04:19,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-11-29 04:04:19,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2023-11-29 04:04:19,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 4886 transitions. [2023-11-29 04:04:19,824 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7326435747488379 [2023-11-29 04:04:19,824 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 4886 transitions. [2023-11-29 04:04:19,824 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 4886 transitions. [2023-11-29 04:04:19,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:04:19,826 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 4886 transitions. [2023-11-29 04:04:19,832 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 180.96296296296296) internal successors, (4886), 27 states have internal predecessors, (4886), 0 states have call successors, (0), 0 states 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 04:04:19,836 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 247.0) internal successors, (6916), 28 states have internal predecessors, (6916), 0 states have call successors, (0), 0 states 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 04:04:19,836 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 247.0) internal successors, (6916), 28 states have internal predecessors, (6916), 0 states have call successors, (0), 0 states 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 04:04:19,836 INFO L175 Difference]: Start difference. First operand has 523 places, 1662 transitions, 37421 flow. Second operand 27 states and 4886 transitions. [2023-11-29 04:04:19,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 549 places, 2075 transitions, 47853 flow [2023-11-29 04:04:23,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 2075 transitions, 47683 flow, removed 48 selfloop flow, removed 10 redundant places. [2023-11-29 04:04:23,397 INFO L231 Difference]: Finished difference. Result has 549 places, 1783 transitions, 43994 flow [2023-11-29 04:04:23,398 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=37267, PETRI_DIFFERENCE_MINUEND_PLACES=513, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1662, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=880, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=683, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=43994, PETRI_PLACES=549, PETRI_TRANSITIONS=1783} [2023-11-29 04:04:23,399 INFO L281 CegarLoopForPetriNet]: 250 programPoint places, 299 predicate places. [2023-11-29 04:04:23,399 INFO L495 AbstractCegarLoop]: Abstraction has has 549 places, 1783 transitions, 43994 flow [2023-11-29 04:04:23,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states 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 04:04:23,399 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:04:23,399 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:04:23,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 04:04:23,399 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-29 04:04:23,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:04:23,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1514376499, now seen corresponding path program 9 times [2023-11-29 04:04:23,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:04:23,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607206691] [2023-11-29 04:04:23,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:04:23,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:04:23,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:24,154 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 04:04:24,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:04:24,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607206691] [2023-11-29 04:04:24,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607206691] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:04:24,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:04:24,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 04:04:24,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56521743] [2023-11-29 04:04:24,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:04:24,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 04:04:24,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:04:24,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 04:04:24,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:04:25,638 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 247 [2023-11-29 04:04:25,639 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 549 places, 1783 transitions, 43994 flow. Second operand has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states 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 04:04:25,639 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:04:25,639 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 247 [2023-11-29 04:04:25,639 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:04:39,630 INFO L124 PetriNetUnfolderBase]: 7703/25773 cut-off events. [2023-11-29 04:04:39,630 INFO L125 PetriNetUnfolderBase]: For 423215/425149 co-relation queries the response was YES. [2023-11-29 04:04:39,928 INFO L83 FinitePrefix]: Finished finitePrefix Result has 137972 conditions, 25773 events. 7703/25773 cut-off events. For 423215/425149 co-relation queries the response was YES. Maximal size of possible extension queue 978. Compared 315864 event pairs, 476 based on Foata normal form. 1073/26563 useless extension candidates. Maximal degree in co-relation 137777. Up to 4942 conditions per place. [2023-11-29 04:04:40,030 INFO L140 encePairwiseOnDemand]: 208/247 looper letters, 890 selfloop transitions, 1113 changer transitions 7/2219 dead transitions. [2023-11-29 04:04:40,030 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 580 places, 2219 transitions, 55573 flow [2023-11-29 04:04:40,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-29 04:04:40,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2023-11-29 04:04:40,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 5805 transitions. [2023-11-29 04:04:40,038 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7344382591093117 [2023-11-29 04:04:40,038 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 5805 transitions. [2023-11-29 04:04:40,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 5805 transitions. [2023-11-29 04:04:40,040 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:04:40,040 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 5805 transitions. [2023-11-29 04:04:40,048 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 181.40625) internal successors, (5805), 32 states have internal predecessors, (5805), 0 states have call successors, (0), 0 states 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 04:04:40,055 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 247.0) internal successors, (8151), 33 states have internal predecessors, (8151), 0 states have call successors, (0), 0 states 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 04:04:40,056 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 247.0) internal successors, (8151), 33 states have internal predecessors, (8151), 0 states have call successors, (0), 0 states 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 04:04:40,056 INFO L175 Difference]: Start difference. First operand has 549 places, 1783 transitions, 43994 flow. Second operand 32 states and 5805 transitions. [2023-11-29 04:04:40,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 580 places, 2219 transitions, 55573 flow [2023-11-29 04:04:44,695 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 567 places, 2219 transitions, 55218 flow, removed 59 selfloop flow, removed 13 redundant places. [2023-11-29 04:04:44,743 INFO L231 Difference]: Finished difference. Result has 583 places, 1922 transitions, 52573 flow [2023-11-29 04:04:44,744 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=43668, PETRI_DIFFERENCE_MINUEND_PLACES=536, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1783, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=976, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=701, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=52573, PETRI_PLACES=583, PETRI_TRANSITIONS=1922} [2023-11-29 04:04:44,744 INFO L281 CegarLoopForPetriNet]: 250 programPoint places, 333 predicate places. [2023-11-29 04:04:44,744 INFO L495 AbstractCegarLoop]: Abstraction has has 583 places, 1922 transitions, 52573 flow [2023-11-29 04:04:44,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states 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 04:04:44,745 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:04:44,745 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:04:44,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 04:04:44,745 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-29 04:04:44,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:04:44,746 INFO L85 PathProgramCache]: Analyzing trace with hash -966719361, now seen corresponding path program 10 times [2023-11-29 04:04:44,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:04:44,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492754960] [2023-11-29 04:04:44,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:04:44,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:04:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:45,391 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 04:04:45,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:04:45,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492754960] [2023-11-29 04:04:45,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492754960] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:04:45,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:04:45,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 04:04:45,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207116143] [2023-11-29 04:04:45,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:04:45,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 04:04:45,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:04:45,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 04:04:45,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:04:46,424 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 247 [2023-11-29 04:04:46,425 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 583 places, 1922 transitions, 52573 flow. Second operand has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states 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 04:04:46,425 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:04:46,425 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 247 [2023-11-29 04:04:46,425 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:05:02,054 INFO L124 PetriNetUnfolderBase]: 8086/27262 cut-off events. [2023-11-29 04:05:02,054 INFO L125 PetriNetUnfolderBase]: For 537098/539210 co-relation queries the response was YES. [2023-11-29 04:05:02,391 INFO L83 FinitePrefix]: Finished finitePrefix Result has 151971 conditions, 27262 events. 8086/27262 cut-off events. For 537098/539210 co-relation queries the response was YES. Maximal size of possible extension queue 1035. Compared 338074 event pairs, 417 based on Foata normal form. 1336/28309 useless extension candidates. Maximal degree in co-relation 151760. Up to 5199 conditions per place. [2023-11-29 04:05:02,614 INFO L140 encePairwiseOnDemand]: 213/247 looper letters, 903 selfloop transitions, 1182 changer transitions 4/2298 dead transitions. [2023-11-29 04:05:02,614 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 609 places, 2298 transitions, 63604 flow [2023-11-29 04:05:02,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-11-29 04:05:02,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2023-11-29 04:05:02,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 4883 transitions. [2023-11-29 04:05:02,618 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7321937321937322 [2023-11-29 04:05:02,618 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 4883 transitions. [2023-11-29 04:05:02,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 4883 transitions. [2023-11-29 04:05:02,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:05:02,620 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 4883 transitions. [2023-11-29 04:05:02,624 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 180.85185185185185) internal successors, (4883), 27 states have internal predecessors, (4883), 0 states have call successors, (0), 0 states 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 04:05:02,628 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 247.0) internal successors, (6916), 28 states have internal predecessors, (6916), 0 states have call successors, (0), 0 states 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 04:05:02,629 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 247.0) internal successors, (6916), 28 states have internal predecessors, (6916), 0 states have call successors, (0), 0 states 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 04:05:02,629 INFO L175 Difference]: Start difference. First operand has 583 places, 1922 transitions, 52573 flow. Second operand 27 states and 4883 transitions. [2023-11-29 04:05:02,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 609 places, 2298 transitions, 63604 flow [2023-11-29 04:05:08,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 594 places, 2298 transitions, 63359 flow, removed 59 selfloop flow, removed 15 redundant places. [2023-11-29 04:05:08,489 INFO L231 Difference]: Finished difference. Result has 604 places, 2029 transitions, 60432 flow [2023-11-29 04:05:08,490 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=52328, PETRI_DIFFERENCE_MINUEND_PLACES=568, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1922, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1076, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=760, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=60432, PETRI_PLACES=604, PETRI_TRANSITIONS=2029} [2023-11-29 04:05:08,490 INFO L281 CegarLoopForPetriNet]: 250 programPoint places, 354 predicate places. [2023-11-29 04:05:08,490 INFO L495 AbstractCegarLoop]: Abstraction has has 604 places, 2029 transitions, 60432 flow [2023-11-29 04:05:08,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states 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 04:05:08,491 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:05:08,491 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:05:08,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 04:05:08,491 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-29 04:05:08,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:05:08,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1597515603, now seen corresponding path program 11 times [2023-11-29 04:05:08,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:05:08,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424948703] [2023-11-29 04:05:08,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:05:08,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:05:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:09,116 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 04:05:09,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:05:09,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424948703] [2023-11-29 04:05:09,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424948703] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:05:09,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:05:09,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 04:05:09,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196123315] [2023-11-29 04:05:09,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:05:09,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 04:05:09,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:05:09,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 04:05:09,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:05:10,415 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 247 [2023-11-29 04:05:10,417 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 604 places, 2029 transitions, 60432 flow. Second operand has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states 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 04:05:10,417 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:05:10,417 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 247 [2023-11-29 04:05:10,417 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:05:28,131 INFO L124 PetriNetUnfolderBase]: 8923/29877 cut-off events. [2023-11-29 04:05:28,131 INFO L125 PetriNetUnfolderBase]: For 701965/704224 co-relation queries the response was YES. [2023-11-29 04:05:28,525 INFO L83 FinitePrefix]: Finished finitePrefix Result has 175155 conditions, 29877 events. 8923/29877 cut-off events. For 701965/704224 co-relation queries the response was YES. Maximal size of possible extension queue 1140. Compared 375615 event pairs, 586 based on Foata normal form. 1325/30845 useless extension candidates. Maximal degree in co-relation 174934. Up to 5704 conditions per place. [2023-11-29 04:05:28,621 INFO L140 encePairwiseOnDemand]: 210/247 looper letters, 1026 selfloop transitions, 1286 changer transitions 6/2527 dead transitions. [2023-11-29 04:05:28,622 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 633 places, 2527 transitions, 75139 flow [2023-11-29 04:05:28,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-29 04:05:28,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2023-11-29 04:05:28,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 5447 transitions. [2023-11-29 04:05:28,626 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7350877192982456 [2023-11-29 04:05:28,626 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 5447 transitions. [2023-11-29 04:05:28,626 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 5447 transitions. [2023-11-29 04:05:28,627 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:05:28,627 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 5447 transitions. [2023-11-29 04:05:28,632 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 181.56666666666666) internal successors, (5447), 30 states have internal predecessors, (5447), 0 states have call successors, (0), 0 states 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 04:05:28,636 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 247.0) internal successors, (7657), 31 states have internal predecessors, (7657), 0 states have call successors, (0), 0 states 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 04:05:28,637 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 247.0) internal successors, (7657), 31 states have internal predecessors, (7657), 0 states have call successors, (0), 0 states 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 04:05:28,637 INFO L175 Difference]: Start difference. First operand has 604 places, 2029 transitions, 60432 flow. Second operand 30 states and 5447 transitions. [2023-11-29 04:05:28,637 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 633 places, 2527 transitions, 75139 flow [2023-11-29 04:05:36,330 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 618 places, 2527 transitions, 74737 flow, removed 53 selfloop flow, removed 15 redundant places. [2023-11-29 04:05:36,388 INFO L231 Difference]: Finished difference. Result has 633 places, 2197 transitions, 71334 flow [2023-11-29 04:05:36,389 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=60055, PETRI_DIFFERENCE_MINUEND_PLACES=589, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2029, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1125, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=781, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=71334, PETRI_PLACES=633, PETRI_TRANSITIONS=2197} [2023-11-29 04:05:36,390 INFO L281 CegarLoopForPetriNet]: 250 programPoint places, 383 predicate places. [2023-11-29 04:05:36,390 INFO L495 AbstractCegarLoop]: Abstraction has has 633 places, 2197 transitions, 71334 flow [2023-11-29 04:05:36,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states 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 04:05:36,390 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:05:36,390 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:05:36,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 04:05:36,391 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-29 04:05:36,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:05:36,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1456399433, now seen corresponding path program 12 times [2023-11-29 04:05:36,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:05:36,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342587199] [2023-11-29 04:05:36,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:05:36,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:05:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:37,140 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 04:05:37,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:05:37,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342587199] [2023-11-29 04:05:37,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342587199] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:05:37,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:05:37,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 04:05:37,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528897648] [2023-11-29 04:05:37,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:05:37,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 04:05:37,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:05:37,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 04:05:37,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:05:38,517 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 247 [2023-11-29 04:05:38,519 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 633 places, 2197 transitions, 71334 flow. Second operand has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states 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 04:05:38,519 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:05:38,519 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 247 [2023-11-29 04:05:38,519 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:05:59,892 INFO L124 PetriNetUnfolderBase]: 9771/32538 cut-off events. [2023-11-29 04:05:59,892 INFO L125 PetriNetUnfolderBase]: For 911122/913606 co-relation queries the response was YES. [2023-11-29 04:06:00,376 INFO L83 FinitePrefix]: Finished finitePrefix Result has 200379 conditions, 32538 events. 9771/32538 cut-off events. For 911122/913606 co-relation queries the response was YES. Maximal size of possible extension queue 1245. Compared 414654 event pairs, 618 based on Foata normal form. 1487/33662 useless extension candidates. Maximal degree in co-relation 200143. Up to 6225 conditions per place. [2023-11-29 04:06:00,486 INFO L140 encePairwiseOnDemand]: 211/247 looper letters, 1149 selfloop transitions, 1334 changer transitions 5/2697 dead transitions. [2023-11-29 04:06:00,487 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 660 places, 2697 transitions, 86964 flow [2023-11-29 04:06:00,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-29 04:06:00,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2023-11-29 04:06:00,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 5083 transitions. [2023-11-29 04:06:00,492 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7349624060150376 [2023-11-29 04:06:00,492 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 5083 transitions. [2023-11-29 04:06:00,492 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 5083 transitions. [2023-11-29 04:06:00,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:06:00,493 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 5083 transitions. [2023-11-29 04:06:00,498 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 181.53571428571428) internal successors, (5083), 28 states have internal predecessors, (5083), 0 states have call successors, (0), 0 states 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 04:06:00,501 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 247.0) internal successors, (7163), 29 states have internal predecessors, (7163), 0 states have call successors, (0), 0 states 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 04:06:00,502 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 247.0) internal successors, (7163), 29 states have internal predecessors, (7163), 0 states have call successors, (0), 0 states 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 04:06:00,502 INFO L175 Difference]: Start difference. First operand has 633 places, 2197 transitions, 71334 flow. Second operand 28 states and 5083 transitions. [2023-11-29 04:06:00,502 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 660 places, 2697 transitions, 86964 flow [2023-11-29 04:06:11,977 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 645 places, 2697 transitions, 86350 flow, removed 118 selfloop flow, removed 15 redundant places. [2023-11-29 04:06:12,045 INFO L231 Difference]: Finished difference. Result has 659 places, 2361 transitions, 82512 flow [2023-11-29 04:06:12,046 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=70767, PETRI_DIFFERENCE_MINUEND_PLACES=618, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1175, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=896, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=82512, PETRI_PLACES=659, PETRI_TRANSITIONS=2361} [2023-11-29 04:06:12,047 INFO L281 CegarLoopForPetriNet]: 250 programPoint places, 409 predicate places. [2023-11-29 04:06:12,047 INFO L495 AbstractCegarLoop]: Abstraction has has 659 places, 2361 transitions, 82512 flow [2023-11-29 04:06:12,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states 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 04:06:12,047 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:06:12,047 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:06:12,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 04:06:12,047 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-29 04:06:12,048 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:06:12,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1447367457, now seen corresponding path program 13 times [2023-11-29 04:06:12,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:06:12,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621903667] [2023-11-29 04:06:12,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:06:12,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:06:12,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:12,853 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 04:06:12,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:06:12,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621903667] [2023-11-29 04:06:12,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621903667] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:06:12,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:06:12,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 04:06:12,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904432958] [2023-11-29 04:06:12,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:06:12,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 04:06:12,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:06:12,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 04:06:12,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:06:14,168 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 247 [2023-11-29 04:06:14,169 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 659 places, 2361 transitions, 82512 flow. Second operand has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states 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 04:06:14,170 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:06:14,170 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 247 [2023-11-29 04:06:14,170 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:06:38,661 INFO L124 PetriNetUnfolderBase]: 10163/33814 cut-off events. [2023-11-29 04:06:38,662 INFO L125 PetriNetUnfolderBase]: For 1089301/1092149 co-relation queries the response was YES. [2023-11-29 04:06:39,215 INFO L83 FinitePrefix]: Finished finitePrefix Result has 216641 conditions, 33814 events. 10163/33814 cut-off events. For 1089301/1092149 co-relation queries the response was YES. Maximal size of possible extension queue 1303. Compared 434274 event pairs, 643 based on Foata normal form. 1633/35057 useless extension candidates. Maximal degree in co-relation 216392. Up to 6487 conditions per place. [2023-11-29 04:06:39,333 INFO L140 encePairwiseOnDemand]: 211/247 looper letters, 972 selfloop transitions, 1572 changer transitions 5/2758 dead transitions. [2023-11-29 04:06:39,333 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 685 places, 2758 transitions, 96268 flow [2023-11-29 04:06:39,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-11-29 04:06:39,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2023-11-29 04:06:39,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 4889 transitions. [2023-11-29 04:06:39,337 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7330934173039436 [2023-11-29 04:06:39,337 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 4889 transitions. [2023-11-29 04:06:39,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 4889 transitions. [2023-11-29 04:06:39,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:06:39,338 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 4889 transitions. [2023-11-29 04:06:39,341 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 181.07407407407408) internal successors, (4889), 27 states have internal predecessors, (4889), 0 states have call successors, (0), 0 states 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 04:06:39,344 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 247.0) internal successors, (6916), 28 states have internal predecessors, (6916), 0 states have call successors, (0), 0 states 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 04:06:39,345 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 247.0) internal successors, (6916), 28 states have internal predecessors, (6916), 0 states have call successors, (0), 0 states 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 04:06:39,345 INFO L175 Difference]: Start difference. First operand has 659 places, 2361 transitions, 82512 flow. Second operand 27 states and 4889 transitions. [2023-11-29 04:06:39,345 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 685 places, 2758 transitions, 96268 flow [2023-11-29 04:06:56,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 672 places, 2758 transitions, 95837 flow, removed 154 selfloop flow, removed 13 redundant places. [2023-11-29 04:06:56,486 INFO L231 Difference]: Finished difference. Result has 685 places, 2477 transitions, 93654 flow [2023-11-29 04:06:56,488 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=82095, PETRI_DIFFERENCE_MINUEND_PLACES=646, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1456, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=810, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=93654, PETRI_PLACES=685, PETRI_TRANSITIONS=2477} [2023-11-29 04:06:56,489 INFO L281 CegarLoopForPetriNet]: 250 programPoint places, 435 predicate places. [2023-11-29 04:06:56,489 INFO L495 AbstractCegarLoop]: Abstraction has has 685 places, 2477 transitions, 93654 flow [2023-11-29 04:06:56,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states 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 04:06:56,489 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:06:56,489 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:06:56,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-29 04:06:56,489 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-29 04:06:56,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:06:56,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1779501503, now seen corresponding path program 14 times [2023-11-29 04:06:56,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:06:56,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949831776] [2023-11-29 04:06:56,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:06:56,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:06:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:06:57,122 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 04:06:57,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:06:57,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949831776] [2023-11-29 04:06:57,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949831776] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:06:57,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:06:57,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 04:06:57,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331472390] [2023-11-29 04:06:57,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:06:57,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 04:06:57,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:06:57,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 04:06:57,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:06:58,543 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 247 [2023-11-29 04:06:58,545 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 685 places, 2477 transitions, 93654 flow. Second operand has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states 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 04:06:58,545 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:06:58,545 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 247 [2023-11-29 04:06:58,545 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:07:27,421 INFO L124 PetriNetUnfolderBase]: 10554/35188 cut-off events. [2023-11-29 04:07:27,422 INFO L125 PetriNetUnfolderBase]: For 1310859/1314082 co-relation queries the response was YES. [2023-11-29 04:07:28,113 INFO L83 FinitePrefix]: Finished finitePrefix Result has 233461 conditions, 35188 events. 10554/35188 cut-off events. For 1310859/1314082 co-relation queries the response was YES. Maximal size of possible extension queue 1363. Compared 455652 event pairs, 651 based on Foata normal form. 2057/36828 useless extension candidates. Maximal degree in co-relation 233199. Up to 6744 conditions per place. [2023-11-29 04:07:28,248 INFO L140 encePairwiseOnDemand]: 210/247 looper letters, 993 selfloop transitions, 1700 changer transitions 6/2908 dead transitions. [2023-11-29 04:07:28,249 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 714 places, 2908 transitions, 108332 flow [2023-11-29 04:07:28,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-29 04:07:28,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2023-11-29 04:07:28,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 5440 transitions. [2023-11-29 04:07:28,253 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7341430499325237 [2023-11-29 04:07:28,253 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 5440 transitions. [2023-11-29 04:07:28,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 5440 transitions. [2023-11-29 04:07:28,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:07:28,253 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 5440 transitions. [2023-11-29 04:07:28,257 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 181.33333333333334) internal successors, (5440), 30 states have internal predecessors, (5440), 0 states have call successors, (0), 0 states 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 04:07:28,260 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 247.0) internal successors, (7657), 31 states have internal predecessors, (7657), 0 states have call successors, (0), 0 states 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 04:07:28,261 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 247.0) internal successors, (7657), 31 states have internal predecessors, (7657), 0 states have call successors, (0), 0 states 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 04:07:28,261 INFO L175 Difference]: Start difference. First operand has 685 places, 2477 transitions, 93654 flow. Second operand 30 states and 5440 transitions. [2023-11-29 04:07:28,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 714 places, 2908 transitions, 108332 flow [2023-11-29 04:07:46,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 701 places, 2908 transitions, 108005 flow, removed 102 selfloop flow, removed 13 redundant places. [2023-11-29 04:07:46,516 INFO L231 Difference]: Finished difference. Result has 716 places, 2603 transitions, 105802 flow [2023-11-29 04:07:46,518 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=93363, PETRI_DIFFERENCE_MINUEND_PLACES=672, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2477, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1580, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=799, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=105802, PETRI_PLACES=716, PETRI_TRANSITIONS=2603} [2023-11-29 04:07:46,518 INFO L281 CegarLoopForPetriNet]: 250 programPoint places, 466 predicate places. [2023-11-29 04:07:46,518 INFO L495 AbstractCegarLoop]: Abstraction has has 716 places, 2603 transitions, 105802 flow [2023-11-29 04:07:46,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states 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 04:07:46,519 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:07:46,519 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:07:46,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 04:07:46,519 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-29 04:07:46,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:07:46,519 INFO L85 PathProgramCache]: Analyzing trace with hash -242829283, now seen corresponding path program 15 times [2023-11-29 04:07:46,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:07:46,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657473586] [2023-11-29 04:07:46,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:07:46,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:07:46,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:07:47,139 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 04:07:47,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:07:47,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657473586] [2023-11-29 04:07:47,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657473586] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:07:47,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:07:47,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 04:07:47,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707602208] [2023-11-29 04:07:47,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:07:47,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 04:07:47,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:07:47,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 04:07:47,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:07:48,549 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 247 [2023-11-29 04:07:48,550 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 716 places, 2603 transitions, 105802 flow. Second operand has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states 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 04:07:48,550 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:07:48,550 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 247 [2023-11-29 04:07:48,550 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:08:19,229 INFO L124 PetriNetUnfolderBase]: 10987/36803 cut-off events. [2023-11-29 04:08:19,229 INFO L125 PetriNetUnfolderBase]: For 1589132/1592755 co-relation queries the response was YES. [2023-11-29 04:08:19,949 INFO L83 FinitePrefix]: Finished finitePrefix Result has 253833 conditions, 36803 events. 10987/36803 cut-off events. For 1589132/1592755 co-relation queries the response was YES. Maximal size of possible extension queue 1423. Compared 481121 event pairs, 625 based on Foata normal form. 2444/38818 useless extension candidates. Maximal degree in co-relation 253556. Up to 7022 conditions per place. [2023-11-29 04:08:20,083 INFO L140 encePairwiseOnDemand]: 211/247 looper letters, 1086 selfloop transitions, 1705 changer transitions 5/3005 dead transitions. [2023-11-29 04:08:20,083 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 743 places, 3005 transitions, 120853 flow [2023-11-29 04:08:20,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-29 04:08:20,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2023-11-29 04:08:20,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 5069 transitions. [2023-11-29 04:08:20,087 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7329381145170619 [2023-11-29 04:08:20,087 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 5069 transitions. [2023-11-29 04:08:20,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 5069 transitions. [2023-11-29 04:08:20,088 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:08:20,088 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 5069 transitions. [2023-11-29 04:08:20,091 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 181.03571428571428) internal successors, (5069), 28 states have internal predecessors, (5069), 0 states have call successors, (0), 0 states 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 04:08:20,094 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 247.0) internal successors, (7163), 29 states have internal predecessors, (7163), 0 states have call successors, (0), 0 states 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 04:08:20,094 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 247.0) internal successors, (7163), 29 states have internal predecessors, (7163), 0 states have call successors, (0), 0 states 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 04:08:20,094 INFO L175 Difference]: Start difference. First operand has 716 places, 2603 transitions, 105802 flow. Second operand 28 states and 5069 transitions. [2023-11-29 04:08:20,094 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 743 places, 3005 transitions, 120853 flow [2023-11-29 04:08:44,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 729 places, 3005 transitions, 120474 flow, removed 127 selfloop flow, removed 14 redundant places. [2023-11-29 04:08:44,436 INFO L231 Difference]: Finished difference. Result has 741 places, 2718 transitions, 118206 flow [2023-11-29 04:08:44,437 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=105427, PETRI_DIFFERENCE_MINUEND_PLACES=702, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2603, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1593, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=918, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=118206, PETRI_PLACES=741, PETRI_TRANSITIONS=2718} [2023-11-29 04:08:44,438 INFO L281 CegarLoopForPetriNet]: 250 programPoint places, 491 predicate places. [2023-11-29 04:08:44,438 INFO L495 AbstractCegarLoop]: Abstraction has has 741 places, 2718 transitions, 118206 flow [2023-11-29 04:08:44,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states 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 04:08:44,438 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:08:44,438 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:08:44,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-29 04:08:44,438 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-29 04:08:44,439 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:08:44,439 INFO L85 PathProgramCache]: Analyzing trace with hash -2021911647, now seen corresponding path program 16 times [2023-11-29 04:08:44,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:08:44,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955344523] [2023-11-29 04:08:44,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:08:44,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:08:44,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:45,253 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 04:08:45,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:08:45,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955344523] [2023-11-29 04:08:45,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955344523] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:08:45,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:08:45,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 04:08:45,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157944083] [2023-11-29 04:08:45,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:08:45,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 04:08:45,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:08:45,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 04:08:45,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:08:46,760 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 247 [2023-11-29 04:08:46,761 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 741 places, 2718 transitions, 118206 flow. Second operand has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states 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 04:08:46,761 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:08:46,761 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 247 [2023-11-29 04:08:46,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:09:20,656 INFO L124 PetriNetUnfolderBase]: 11380/38086 cut-off events. [2023-11-29 04:09:20,656 INFO L125 PetriNetUnfolderBase]: For 1857294/1860891 co-relation queries the response was YES. [2023-11-29 04:09:21,490 INFO L83 FinitePrefix]: Finished finitePrefix Result has 272249 conditions, 38086 events. 11380/38086 cut-off events. For 1857294/1860891 co-relation queries the response was YES. Maximal size of possible extension queue 1485. Compared 500889 event pairs, 772 based on Foata normal form. 2435/40057 useless extension candidates. Maximal degree in co-relation 271960. Up to 7279 conditions per place. [2023-11-29 04:09:21,642 INFO L140 encePairwiseOnDemand]: 211/247 looper letters, 1182 selfloop transitions, 1757 changer transitions 5/3153 dead transitions. [2023-11-29 04:09:21,642 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 768 places, 3153 transitions, 134612 flow [2023-11-29 04:09:21,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-29 04:09:21,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2023-11-29 04:09:21,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 5080 transitions. [2023-11-29 04:09:21,646 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7345286292654714 [2023-11-29 04:09:21,646 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 5080 transitions. [2023-11-29 04:09:21,646 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 5080 transitions. [2023-11-29 04:09:21,647 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:09:21,647 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 5080 transitions. [2023-11-29 04:09:21,650 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 181.42857142857142) internal successors, (5080), 28 states have internal predecessors, (5080), 0 states have call successors, (0), 0 states 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 04:09:21,653 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 247.0) internal successors, (7163), 29 states have internal predecessors, (7163), 0 states have call successors, (0), 0 states 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 04:09:21,654 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 247.0) internal successors, (7163), 29 states have internal predecessors, (7163), 0 states have call successors, (0), 0 states 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 04:09:21,654 INFO L175 Difference]: Start difference. First operand has 741 places, 2718 transitions, 118206 flow. Second operand 28 states and 5080 transitions. [2023-11-29 04:09:21,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 768 places, 3153 transitions, 134612 flow [2023-11-29 04:09:48,118 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 752 places, 3153 transitions, 134146 flow, removed 146 selfloop flow, removed 16 redundant places. [2023-11-29 04:09:48,215 INFO L231 Difference]: Finished difference. Result has 765 places, 2845 transitions, 131445 flow [2023-11-29 04:09:48,217 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=117772, PETRI_DIFFERENCE_MINUEND_PLACES=725, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2718, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1634, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=981, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=131445, PETRI_PLACES=765, PETRI_TRANSITIONS=2845} [2023-11-29 04:09:48,217 INFO L281 CegarLoopForPetriNet]: 250 programPoint places, 515 predicate places. [2023-11-29 04:09:48,217 INFO L495 AbstractCegarLoop]: Abstraction has has 765 places, 2845 transitions, 131445 flow [2023-11-29 04:09:48,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states 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 04:09:48,218 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:09:48,218 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:09:48,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-29 04:09:48,218 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-29 04:09:48,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:09:48,219 INFO L85 PathProgramCache]: Analyzing trace with hash -2080347937, now seen corresponding path program 17 times [2023-11-29 04:09:48,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:09:48,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133816412] [2023-11-29 04:09:48,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:09:48,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:09:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:49,079 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 04:09:49,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:09:49,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133816412] [2023-11-29 04:09:49,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133816412] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:09:49,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:09:49,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 04:09:49,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981908285] [2023-11-29 04:09:49,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:09:49,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 04:09:49,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:09:49,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 04:09:49,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:09:50,420 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 247 [2023-11-29 04:09:50,422 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 765 places, 2845 transitions, 131445 flow. Second operand has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states 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 04:09:50,422 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:09:50,422 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 247 [2023-11-29 04:09:50,422 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:10:32,812 INFO L124 PetriNetUnfolderBase]: 12745/42717 cut-off events. [2023-11-29 04:10:32,812 INFO L125 PetriNetUnfolderBase]: For 2325302/2330070 co-relation queries the response was YES. [2023-11-29 04:10:33,945 INFO L83 FinitePrefix]: Finished finitePrefix Result has 313015 conditions, 42717 events. 12745/42717 cut-off events. For 2325302/2330070 co-relation queries the response was YES. Maximal size of possible extension queue 1657. Compared 573146 event pairs, 845 based on Foata normal form. 2992/45163 useless extension candidates. Maximal degree in co-relation 312713. Up to 8147 conditions per place. [2023-11-29 04:10:34,118 INFO L140 encePairwiseOnDemand]: 211/247 looper letters, 1098 selfloop transitions, 2026 changer transitions 4/3337 dead transitions. [2023-11-29 04:10:34,118 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 785 places, 3337 transitions, 153507 flow [2023-11-29 04:10:34,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-29 04:10:34,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2023-11-29 04:10:34,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3839 transitions. [2023-11-29 04:10:34,121 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7401195295932138 [2023-11-29 04:10:34,122 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 3839 transitions. [2023-11-29 04:10:34,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 3839 transitions. [2023-11-29 04:10:34,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:10:34,122 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 3839 transitions. [2023-11-29 04:10:34,125 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 182.8095238095238) internal successors, (3839), 21 states have internal predecessors, (3839), 0 states have call successors, (0), 0 states 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 04:10:34,127 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 247.0) internal successors, (5434), 22 states have internal predecessors, (5434), 0 states have call successors, (0), 0 states 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 04:10:34,127 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 247.0) internal successors, (5434), 22 states have internal predecessors, (5434), 0 states have call successors, (0), 0 states 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 04:10:34,127 INFO L175 Difference]: Start difference. First operand has 765 places, 2845 transitions, 131445 flow. Second operand 21 states and 3839 transitions. [2023-11-29 04:10:34,127 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 785 places, 3337 transitions, 153507 flow [2023-11-29 04:11:08,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 771 places, 3337 transitions, 153021 flow, removed 151 selfloop flow, removed 14 redundant places. [2023-11-29 04:11:09,007 INFO L231 Difference]: Finished difference. Result has 787 places, 3074 transitions, 151664 flow [2023-11-29 04:11:09,009 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=131002, PETRI_DIFFERENCE_MINUEND_PLACES=751, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2845, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1803, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=901, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=151664, PETRI_PLACES=787, PETRI_TRANSITIONS=3074} [2023-11-29 04:11:09,009 INFO L281 CegarLoopForPetriNet]: 250 programPoint places, 537 predicate places. [2023-11-29 04:11:09,009 INFO L495 AbstractCegarLoop]: Abstraction has has 787 places, 3074 transitions, 151664 flow [2023-11-29 04:11:09,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states 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 04:11:09,010 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:11:09,010 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:11:09,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-29 04:11:09,010 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-29 04:11:09,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:11:09,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1186713421, now seen corresponding path program 18 times [2023-11-29 04:11:09,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:11:09,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510223341] [2023-11-29 04:11:09,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:11:09,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:11:09,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:09,846 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 04:11:09,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:11:09,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510223341] [2023-11-29 04:11:09,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510223341] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:11:09,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:11:09,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 04:11:09,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002763522] [2023-11-29 04:11:09,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:11:09,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 04:11:09,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:11:09,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 04:11:09,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:11:11,187 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 247 [2023-11-29 04:11:11,188 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 787 places, 3074 transitions, 151664 flow. Second operand has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states 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 04:11:11,188 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:11:11,188 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 247 [2023-11-29 04:11:11,188 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:12:01,456 INFO L124 PetriNetUnfolderBase]: 14137/47346 cut-off events. [2023-11-29 04:12:01,457 INFO L125 PetriNetUnfolderBase]: For 2893609/2899046 co-relation queries the response was YES. [2023-11-29 04:12:02,696 INFO L83 FinitePrefix]: Finished finitePrefix Result has 357416 conditions, 47346 events. 14137/47346 cut-off events. For 2893609/2899046 co-relation queries the response was YES. Maximal size of possible extension queue 1835. Compared 646322 event pairs, 1075 based on Foata normal form. 3428/50156 useless extension candidates. Maximal degree in co-relation 357094. Up to 10601 conditions per place. [2023-11-29 04:12:02,882 INFO L140 encePairwiseOnDemand]: 213/247 looper letters, 1242 selfloop transitions, 2121 changer transitions 3/3575 dead transitions. [2023-11-29 04:12:02,882 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 811 places, 3575 transitions, 176527 flow [2023-11-29 04:12:02,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-29 04:12:02,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2023-11-29 04:12:02,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 4509 transitions. [2023-11-29 04:12:02,885 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7302024291497976 [2023-11-29 04:12:02,886 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 4509 transitions. [2023-11-29 04:12:02,886 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 4509 transitions. [2023-11-29 04:12:02,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:12:02,886 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 4509 transitions. [2023-11-29 04:12:02,889 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 180.36) internal successors, (4509), 25 states have internal predecessors, (4509), 0 states have call successors, (0), 0 states 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 04:12:02,892 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 247.0) internal successors, (6422), 26 states have internal predecessors, (6422), 0 states have call successors, (0), 0 states 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 04:12:02,893 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 247.0) internal successors, (6422), 26 states have internal predecessors, (6422), 0 states have call successors, (0), 0 states 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 04:12:02,893 INFO L175 Difference]: Start difference. First operand has 787 places, 3074 transitions, 151664 flow. Second operand 25 states and 4509 transitions. [2023-11-29 04:12:02,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 811 places, 3575 transitions, 176527 flow [2023-11-29 04:12:49,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 809 places, 3575 transitions, 176451 flow, removed 36 selfloop flow, removed 2 redundant places. [2023-11-29 04:12:49,789 INFO L231 Difference]: Finished difference. Result has 827 places, 3317 transitions, 174717 flow [2023-11-29 04:12:49,791 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=151588, PETRI_DIFFERENCE_MINUEND_PLACES=785, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3074, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1895, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1056, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=174717, PETRI_PLACES=827, PETRI_TRANSITIONS=3317} [2023-11-29 04:12:49,792 INFO L281 CegarLoopForPetriNet]: 250 programPoint places, 577 predicate places. [2023-11-29 04:12:49,792 INFO L495 AbstractCegarLoop]: Abstraction has has 827 places, 3317 transitions, 174717 flow [2023-11-29 04:12:49,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states 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 04:12:49,792 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:12:49,792 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:12:49,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-29 04:12:49,792 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-29 04:12:49,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:12:49,793 INFO L85 PathProgramCache]: Analyzing trace with hash -647113873, now seen corresponding path program 19 times [2023-11-29 04:12:49,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:12:49,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594089681] [2023-11-29 04:12:49,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:12:49,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:12:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:50,645 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 04:12:50,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:12:50,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594089681] [2023-11-29 04:12:50,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594089681] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:12:50,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:12:50,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 04:12:50,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234091987] [2023-11-29 04:12:50,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:12:50,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 04:12:50,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:12:50,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 04:12:50,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:12:51,776 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 247 [2023-11-29 04:12:51,778 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 827 places, 3317 transitions, 174717 flow. Second operand has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states 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 04:12:51,778 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:12:51,778 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 247 [2023-11-29 04:12:51,778 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:13:53,186 INFO L124 PetriNetUnfolderBase]: 15188/50882 cut-off events. [2023-11-29 04:13:53,186 INFO L125 PetriNetUnfolderBase]: For 3423348/3428858 co-relation queries the response was YES. [2023-11-29 04:13:54,651 INFO L83 FinitePrefix]: Finished finitePrefix Result has 395383 conditions, 50882 events. 15188/50882 cut-off events. For 3423348/3428858 co-relation queries the response was YES. Maximal size of possible extension queue 1972. Compared 702649 event pairs, 1150 based on Foata normal form. 3473/53707 useless extension candidates. Maximal degree in co-relation 395038. Up to 11515 conditions per place. [2023-11-29 04:13:54,862 INFO L140 encePairwiseOnDemand]: 213/247 looper letters, 1274 selfloop transitions, 2270 changer transitions 3/3756 dead transitions. [2023-11-29 04:13:54,863 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 847 places, 3756 transitions, 197667 flow [2023-11-29 04:13:54,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-29 04:13:54,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2023-11-29 04:13:54,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3804 transitions. [2023-11-29 04:13:54,866 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7333718912666282 [2023-11-29 04:13:54,866 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 3804 transitions. [2023-11-29 04:13:54,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 3804 transitions. [2023-11-29 04:13:54,866 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:13:54,866 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 3804 transitions. [2023-11-29 04:13:54,869 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 181.14285714285714) internal successors, (3804), 21 states have internal predecessors, (3804), 0 states have call successors, (0), 0 states 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 04:13:54,871 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 247.0) internal successors, (5434), 22 states have internal predecessors, (5434), 0 states have call successors, (0), 0 states 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 04:13:54,871 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 247.0) internal successors, (5434), 22 states have internal predecessors, (5434), 0 states have call successors, (0), 0 states 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 04:13:54,871 INFO L175 Difference]: Start difference. First operand has 827 places, 3317 transitions, 174717 flow. Second operand 21 states and 3804 transitions. [2023-11-29 04:13:54,871 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 847 places, 3756 transitions, 197667 flow [2023-11-29 04:14:49,961 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 845 places, 3756 transitions, 197445 flow, removed 109 selfloop flow, removed 2 redundant places. [2023-11-29 04:14:50,100 INFO L231 Difference]: Finished difference. Result has 859 places, 3504 transitions, 195899 flow [2023-11-29 04:14:50,102 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=174549, PETRI_DIFFERENCE_MINUEND_PLACES=825, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2083, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=195899, PETRI_PLACES=859, PETRI_TRANSITIONS=3504} [2023-11-29 04:14:50,103 INFO L281 CegarLoopForPetriNet]: 250 programPoint places, 609 predicate places. [2023-11-29 04:14:50,103 INFO L495 AbstractCegarLoop]: Abstraction has has 859 places, 3504 transitions, 195899 flow [2023-11-29 04:14:50,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states 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 04:14:50,103 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:14:50,103 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:14:50,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-29 04:14:50,104 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-29 04:14:50,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:14:50,104 INFO L85 PathProgramCache]: Analyzing trace with hash 164059629, now seen corresponding path program 20 times [2023-11-29 04:14:50,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:14:50,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722976376] [2023-11-29 04:14:50,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:14:50,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:14:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:14:50,748 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 04:14:50,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:14:50,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722976376] [2023-11-29 04:14:50,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722976376] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:14:50,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:14:50,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 04:14:50,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372648542] [2023-11-29 04:14:50,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:14:50,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 04:14:50,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:14:50,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 04:14:50,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:14:52,071 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 247 [2023-11-29 04:14:52,072 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 859 places, 3504 transitions, 195899 flow. Second operand has 13 states, 13 states have (on average 172.69230769230768) internal successors, (2245), 13 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states 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 04:14:52,073 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:14:52,073 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 247 [2023-11-29 04:14:52,073 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand