./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-node-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53717d0-00e6-4708-bdf4-7aaf0fadf46d/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53717d0-00e6-4708-bdf4-7aaf0fadf46d/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_f53717d0-00e6-4708-bdf4-7aaf0fadf46d/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53717d0-00e6-4708-bdf4-7aaf0fadf46d/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-node-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53717d0-00e6-4708-bdf4-7aaf0fadf46d/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_f53717d0-00e6-4708-bdf4-7aaf0fadf46d/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 c9008ebcceff34245d74f1892a84a552f8268a9318e8a2970f14b3ec6b594daf --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:57:40,643 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:57:40,707 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53717d0-00e6-4708-bdf4-7aaf0fadf46d/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 03:57:40,711 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:57:40,712 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:57:40,734 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:57:40,735 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:57:40,735 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:57:40,736 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:57:40,737 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:57:40,737 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:57:40,738 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:57:40,738 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:57:40,739 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:57:40,739 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:57:40,740 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 03:57:40,740 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:57:40,741 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 03:57:40,741 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:57:40,741 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:57:40,742 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:57:40,743 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:57:40,743 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 03:57:40,743 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 03:57:40,744 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 03:57:40,744 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:57:40,745 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:57:40,745 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:57:40,745 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:57:40,746 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:57:40,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:57:40,746 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:57:40,747 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:57:40,747 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:57:40,747 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 03:57:40,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 03:57:40,747 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:57:40,748 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:57:40,748 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:57:40,748 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:57:40,748 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:57:40,748 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_f53717d0-00e6-4708-bdf4-7aaf0fadf46d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53717d0-00e6-4708-bdf4-7aaf0fadf46d/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9008ebcceff34245d74f1892a84a552f8268a9318e8a2970f14b3ec6b594daf [2023-11-29 03:57:40,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:57:41,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:57:41,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:57:41,010 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:57:41,011 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:57:41,012 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53717d0-00e6-4708-bdf4-7aaf0fadf46d/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/chl-node-trans.wvr.c [2023-11-29 03:57:43,781 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:57:43,990 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:57:43,990 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53717d0-00e6-4708-bdf4-7aaf0fadf46d/sv-benchmarks/c/weaver/chl-node-trans.wvr.c [2023-11-29 03:57:43,999 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53717d0-00e6-4708-bdf4-7aaf0fadf46d/bin/uautomizer-verify-BQ2R08f2Ya/data/dc89465c5/0e8ed39ff3d84e50b59b8dd3382d258e/FLAG1ed719a3d [2023-11-29 03:57:44,011 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53717d0-00e6-4708-bdf4-7aaf0fadf46d/bin/uautomizer-verify-BQ2R08f2Ya/data/dc89465c5/0e8ed39ff3d84e50b59b8dd3382d258e [2023-11-29 03:57:44,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:57:44,015 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:57:44,016 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:57:44,016 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:57:44,020 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:57:44,021 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:57:44" (1/1) ... [2023-11-29 03:57:44,021 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@475d8ef6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:57:44, skipping insertion in model container [2023-11-29 03:57:44,022 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:57:44" (1/1) ... [2023-11-29 03:57:44,050 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:57:44,264 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:57:44,274 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:57:44,325 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:57:44,343 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:57:44,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:57:44 WrapperNode [2023-11-29 03:57:44,343 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:57:44,345 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:57:44,345 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:57:44,345 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:57:44,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:57:44" (1/1) ... [2023-11-29 03:57:44,371 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:57:44" (1/1) ... [2023-11-29 03:57:44,425 INFO L138 Inliner]: procedures = 27, calls = 67, calls flagged for inlining = 23, calls inlined = 35, statements flattened = 823 [2023-11-29 03:57:44,425 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:57:44,426 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:57:44,426 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:57:44,426 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:57:44,436 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:57:44" (1/1) ... [2023-11-29 03:57:44,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:57:44" (1/1) ... [2023-11-29 03:57:44,447 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:57:44" (1/1) ... [2023-11-29 03:57:44,448 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:57:44" (1/1) ... [2023-11-29 03:57:44,484 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:57:44" (1/1) ... [2023-11-29 03:57:44,492 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:57:44" (1/1) ... [2023-11-29 03:57:44,496 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:57:44" (1/1) ... [2023-11-29 03:57:44,501 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:57:44" (1/1) ... [2023-11-29 03:57:44,508 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:57:44,509 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:57:44,510 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:57:44,510 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:57:44,510 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:57:44" (1/1) ... [2023-11-29 03:57:44,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:57:44,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53717d0-00e6-4708-bdf4-7aaf0fadf46d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:57:44,536 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53717d0-00e6-4708-bdf4-7aaf0fadf46d/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:57:44,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f53717d0-00e6-4708-bdf4-7aaf0fadf46d/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:57:44,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:57:44,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 03:57:44,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 03:57:44,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 03:57:44,581 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 03:57:44,581 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 03:57:44,581 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 03:57:44,581 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 03:57:44,582 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-29 03:57:44,582 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-29 03:57:44,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 03:57:44,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 03:57:44,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:57:44,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:57:44,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 03:57:44,586 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 03:57:44,736 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:57:44,738 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:57:45,834 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:57:45,864 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:57:45,865 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-29 03:57:45,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:57:45 BoogieIcfgContainer [2023-11-29 03:57:45,867 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:57:45,870 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:57:45,870 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:57:45,874 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:57:45,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:57:44" (1/3) ... [2023-11-29 03:57:45,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e27f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:57:45, skipping insertion in model container [2023-11-29 03:57:45,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:57:44" (2/3) ... [2023-11-29 03:57:45,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e27f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:57:45, skipping insertion in model container [2023-11-29 03:57:45,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:57:45" (3/3) ... [2023-11-29 03:57:45,877 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-node-trans.wvr.c [2023-11-29 03:57:45,885 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 03:57:45,896 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:57:45,897 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 117 error locations. [2023-11-29 03:57:45,897 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 03:57:46,123 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-29 03:57:46,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1037 places, 1075 transitions, 2171 flow [2023-11-29 03:57:46,679 INFO L124 PetriNetUnfolderBase]: 48/1072 cut-off events. [2023-11-29 03:57:46,680 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-29 03:57:46,696 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1085 conditions, 1072 events. 48/1072 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2218 event pairs, 0 based on Foata normal form. 0/907 useless extension candidates. Maximal degree in co-relation 852. Up to 2 conditions per place. [2023-11-29 03:57:46,697 INFO L82 GeneralOperation]: Start removeDead. Operand has 1037 places, 1075 transitions, 2171 flow [2023-11-29 03:57:46,714 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1009 places, 1045 transitions, 2108 flow [2023-11-29 03:57:46,722 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:57:46,728 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;@309e7045, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:57:46,728 INFO L358 AbstractCegarLoop]: Starting to check reachability of 195 error locations. [2023-11-29 03:57:46,733 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 03:57:46,733 INFO L124 PetriNetUnfolderBase]: 0/34 cut-off events. [2023-11-29 03:57:46,733 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 03:57:46,733 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:57:46,734 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:57:46,734 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-11-29 03:57:46,739 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:57:46,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1937191034, now seen corresponding path program 1 times [2023-11-29 03:57:46,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:57:46,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168450978] [2023-11-29 03:57:46,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:57:46,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:57:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:57:46,946 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 03:57:46,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:57:46,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168450978] [2023-11-29 03:57:46,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168450978] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:57:46,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:57:46,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:57:46,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642220356] [2023-11-29 03:57:46,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:57:46,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:57:46,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:57:46,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:57:46,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:57:47,077 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1022 out of 1075 [2023-11-29 03:57:47,091 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1009 places, 1045 transitions, 2108 flow. Second operand has 3 states, 3 states have (on average 1023.3333333333334) internal successors, (3070), 3 states have internal predecessors, (3070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:47,091 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:57:47,091 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1022 of 1075 [2023-11-29 03:57:47,092 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:57:47,805 INFO L124 PetriNetUnfolderBase]: 54/1826 cut-off events. [2023-11-29 03:57:47,805 INFO L125 PetriNetUnfolderBase]: For 36/36 co-relation queries the response was YES. [2023-11-29 03:57:47,831 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1921 conditions, 1826 events. 54/1826 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 8250 event pairs, 21 based on Foata normal form. 61/1577 useless extension candidates. Maximal degree in co-relation 1278. Up to 62 conditions per place. [2023-11-29 03:57:47,853 INFO L140 encePairwiseOnDemand]: 1044/1075 looper letters, 19 selfloop transitions, 2 changer transitions 16/1016 dead transitions. [2023-11-29 03:57:47,853 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1010 places, 1016 transitions, 2092 flow [2023-11-29 03:57:47,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:57:47,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:57:47,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3116 transitions. [2023-11-29 03:57:47,875 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9662015503875969 [2023-11-29 03:57:47,876 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3116 transitions. [2023-11-29 03:57:47,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3116 transitions. [2023-11-29 03:57:47,881 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:57:47,883 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3116 transitions. [2023-11-29 03:57:47,894 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1038.6666666666667) internal successors, (3116), 3 states have internal predecessors, (3116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:47,908 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1075.0) internal successors, (4300), 4 states have internal predecessors, (4300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:47,912 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1075.0) internal successors, (4300), 4 states have internal predecessors, (4300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:47,913 INFO L175 Difference]: Start difference. First operand has 1009 places, 1045 transitions, 2108 flow. Second operand 3 states and 3116 transitions. [2023-11-29 03:57:47,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1010 places, 1016 transitions, 2092 flow [2023-11-29 03:57:47,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1004 places, 1016 transitions, 2080 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-29 03:57:47,941 INFO L231 Difference]: Finished difference. Result has 1004 places, 1000 transitions, 2010 flow [2023-11-29 03:57:47,944 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1075, PETRI_DIFFERENCE_MINUEND_FLOW=2038, PETRI_DIFFERENCE_MINUEND_PLACES=1002, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1016, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1014, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2010, PETRI_PLACES=1004, PETRI_TRANSITIONS=1000} [2023-11-29 03:57:47,947 INFO L281 CegarLoopForPetriNet]: 1009 programPoint places, -5 predicate places. [2023-11-29 03:57:47,948 INFO L495 AbstractCegarLoop]: Abstraction has has 1004 places, 1000 transitions, 2010 flow [2023-11-29 03:57:47,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1023.3333333333334) internal successors, (3070), 3 states have internal predecessors, (3070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:47,950 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:57:47,951 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] [2023-11-29 03:57:47,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 03:57:47,951 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-11-29 03:57:47,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:57:47,952 INFO L85 PathProgramCache]: Analyzing trace with hash 2015232919, now seen corresponding path program 1 times [2023-11-29 03:57:47,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:57:47,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464434261] [2023-11-29 03:57:47,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:57:47,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:57:47,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:57:48,024 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 03:57:48,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:57:48,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464434261] [2023-11-29 03:57:48,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464434261] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:57:48,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:57:48,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:57:48,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660292261] [2023-11-29 03:57:48,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:57:48,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:57:48,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:57:48,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:57:48,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:57:48,071 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1008 out of 1075 [2023-11-29 03:57:48,077 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1004 places, 1000 transitions, 2010 flow. Second operand has 3 states, 3 states have (on average 1009.0) internal successors, (3027), 3 states have internal predecessors, (3027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:48,078 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:57:48,078 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1008 of 1075 [2023-11-29 03:57:48,078 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:57:49,132 INFO L124 PetriNetUnfolderBase]: 117/2693 cut-off events. [2023-11-29 03:57:49,132 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2023-11-29 03:57:49,169 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2860 conditions, 2693 events. 117/2693 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 15765 event pairs, 60 based on Foata normal form. 0/2257 useless extension candidates. Maximal degree in co-relation 2817. Up to 146 conditions per place. [2023-11-29 03:57:49,206 INFO L140 encePairwiseOnDemand]: 1064/1075 looper letters, 26 selfloop transitions, 1 changer transitions 0/990 dead transitions. [2023-11-29 03:57:49,207 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 980 places, 990 transitions, 2044 flow [2023-11-29 03:57:49,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:57:49,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:57:49,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3061 transitions. [2023-11-29 03:57:49,218 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9491472868217055 [2023-11-29 03:57:49,218 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3061 transitions. [2023-11-29 03:57:49,218 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3061 transitions. [2023-11-29 03:57:49,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:57:49,222 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3061 transitions. [2023-11-29 03:57:49,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1020.3333333333334) internal successors, (3061), 3 states have internal predecessors, (3061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:49,245 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1075.0) internal successors, (4300), 4 states have internal predecessors, (4300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:49,250 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1075.0) internal successors, (4300), 4 states have internal predecessors, (4300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:49,250 INFO L175 Difference]: Start difference. First operand has 1004 places, 1000 transitions, 2010 flow. Second operand 3 states and 3061 transitions. [2023-11-29 03:57:49,250 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 980 places, 990 transitions, 2044 flow [2023-11-29 03:57:49,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 978 places, 990 transitions, 2040 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:57:49,278 INFO L231 Difference]: Finished difference. Result has 978 places, 990 transitions, 1988 flow [2023-11-29 03:57:49,280 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1075, PETRI_DIFFERENCE_MINUEND_FLOW=1986, PETRI_DIFFERENCE_MINUEND_PLACES=976, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=990, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=989, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1988, PETRI_PLACES=978, PETRI_TRANSITIONS=990} [2023-11-29 03:57:49,281 INFO L281 CegarLoopForPetriNet]: 1009 programPoint places, -31 predicate places. [2023-11-29 03:57:49,281 INFO L495 AbstractCegarLoop]: Abstraction has has 978 places, 990 transitions, 1988 flow [2023-11-29 03:57:49,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1009.0) internal successors, (3027), 3 states have internal predecessors, (3027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:49,284 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:57:49,284 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] [2023-11-29 03:57:49,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 03:57:49,285 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-11-29 03:57:49,285 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:57:49,285 INFO L85 PathProgramCache]: Analyzing trace with hash 170611477, now seen corresponding path program 1 times [2023-11-29 03:57:49,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:57:49,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004182514] [2023-11-29 03:57:49,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:57:49,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:57:49,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:57:49,358 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 03:57:49,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:57:49,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004182514] [2023-11-29 03:57:49,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004182514] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:57:49,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:57:49,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:57:49,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526471150] [2023-11-29 03:57:49,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:57:49,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:57:49,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:57:49,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:57:49,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:57:49,430 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1022 out of 1075 [2023-11-29 03:57:49,435 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 978 places, 990 transitions, 1988 flow. Second operand has 3 states, 3 states have (on average 1023.3333333333334) internal successors, (3070), 3 states have internal predecessors, (3070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:49,436 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:57:49,436 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1022 of 1075 [2023-11-29 03:57:49,436 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:57:50,275 INFO L124 PetriNetUnfolderBase]: 90/2708 cut-off events. [2023-11-29 03:57:50,276 INFO L125 PetriNetUnfolderBase]: For 6/10 co-relation queries the response was YES. [2023-11-29 03:57:50,305 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2823 conditions, 2708 events. 90/2708 cut-off events. For 6/10 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 16776 event pairs, 39 based on Foata normal form. 0/2244 useless extension candidates. Maximal degree in co-relation 2780. Up to 89 conditions per place. [2023-11-29 03:57:50,326 INFO L140 encePairwiseOnDemand]: 1072/1075 looper letters, 19 selfloop transitions, 2 changer transitions 0/989 dead transitions. [2023-11-29 03:57:50,326 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 979 places, 989 transitions, 2028 flow [2023-11-29 03:57:50,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:57:50,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:57:50,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3088 transitions. [2023-11-29 03:57:50,337 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9575193798449613 [2023-11-29 03:57:50,337 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3088 transitions. [2023-11-29 03:57:50,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3088 transitions. [2023-11-29 03:57:50,340 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:57:50,340 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3088 transitions. [2023-11-29 03:57:50,351 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1029.3333333333333) internal successors, (3088), 3 states have internal predecessors, (3088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:50,361 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1075.0) internal successors, (4300), 4 states have internal predecessors, (4300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:50,364 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1075.0) internal successors, (4300), 4 states have internal predecessors, (4300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:50,365 INFO L175 Difference]: Start difference. First operand has 978 places, 990 transitions, 1988 flow. Second operand 3 states and 3088 transitions. [2023-11-29 03:57:50,365 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 979 places, 989 transitions, 2028 flow [2023-11-29 03:57:50,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 978 places, 989 transitions, 2027 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 03:57:50,387 INFO L231 Difference]: Finished difference. Result has 978 places, 989 transitions, 1989 flow [2023-11-29 03:57:50,389 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1075, PETRI_DIFFERENCE_MINUEND_FLOW=1985, PETRI_DIFFERENCE_MINUEND_PLACES=976, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=989, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=987, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1989, PETRI_PLACES=978, PETRI_TRANSITIONS=989} [2023-11-29 03:57:50,390 INFO L281 CegarLoopForPetriNet]: 1009 programPoint places, -31 predicate places. [2023-11-29 03:57:50,390 INFO L495 AbstractCegarLoop]: Abstraction has has 978 places, 989 transitions, 1989 flow [2023-11-29 03:57:50,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1023.3333333333334) internal successors, (3070), 3 states have internal predecessors, (3070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:50,393 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:57:50,393 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] [2023-11-29 03:57:50,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 03:57:50,393 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-11-29 03:57:50,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:57:50,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1840965949, now seen corresponding path program 1 times [2023-11-29 03:57:50,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:57:50,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499477504] [2023-11-29 03:57:50,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:57:50,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:57:50,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:57:50,481 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 03:57:50,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:57:50,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499477504] [2023-11-29 03:57:50,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499477504] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:57:50,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:57:50,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:57:50,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998137795] [2023-11-29 03:57:50,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:57:50,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:57:50,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:57:50,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:57:50,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:57:50,525 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1008 out of 1075 [2023-11-29 03:57:50,530 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 978 places, 989 transitions, 1989 flow. Second operand has 3 states, 3 states have (on average 1009.0) internal successors, (3027), 3 states have internal predecessors, (3027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:50,530 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:57:50,530 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1008 of 1075 [2023-11-29 03:57:50,530 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:57:51,761 INFO L124 PetriNetUnfolderBase]: 225/4022 cut-off events. [2023-11-29 03:57:51,761 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2023-11-29 03:57:51,807 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4350 conditions, 4022 events. 225/4022 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 30553 event pairs, 132 based on Foata normal form. 0/3382 useless extension candidates. Maximal degree in co-relation 4308. Up to 264 conditions per place. [2023-11-29 03:57:51,829 INFO L140 encePairwiseOnDemand]: 1064/1075 looper letters, 26 selfloop transitions, 1 changer transitions 0/979 dead transitions. [2023-11-29 03:57:51,829 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 970 places, 979 transitions, 2023 flow [2023-11-29 03:57:51,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:57:51,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:57:51,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3061 transitions. [2023-11-29 03:57:51,838 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9491472868217055 [2023-11-29 03:57:51,839 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3061 transitions. [2023-11-29 03:57:51,839 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3061 transitions. [2023-11-29 03:57:51,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:57:51,841 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3061 transitions. [2023-11-29 03:57:51,851 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1020.3333333333334) internal successors, (3061), 3 states have internal predecessors, (3061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:51,861 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1075.0) internal successors, (4300), 4 states have internal predecessors, (4300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:51,864 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1075.0) internal successors, (4300), 4 states have internal predecessors, (4300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:51,864 INFO L175 Difference]: Start difference. First operand has 978 places, 989 transitions, 1989 flow. Second operand 3 states and 3061 transitions. [2023-11-29 03:57:51,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 970 places, 979 transitions, 2023 flow [2023-11-29 03:57:51,874 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 968 places, 979 transitions, 2019 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:57:51,889 INFO L231 Difference]: Finished difference. Result has 968 places, 979 transitions, 1967 flow [2023-11-29 03:57:51,891 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1075, PETRI_DIFFERENCE_MINUEND_FLOW=1965, PETRI_DIFFERENCE_MINUEND_PLACES=966, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=979, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=978, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1967, PETRI_PLACES=968, PETRI_TRANSITIONS=979} [2023-11-29 03:57:51,892 INFO L281 CegarLoopForPetriNet]: 1009 programPoint places, -41 predicate places. [2023-11-29 03:57:51,893 INFO L495 AbstractCegarLoop]: Abstraction has has 968 places, 979 transitions, 1967 flow [2023-11-29 03:57:51,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1009.0) internal successors, (3027), 3 states have internal predecessors, (3027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:51,894 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:57:51,895 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] [2023-11-29 03:57:51,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 03:57:51,895 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-11-29 03:57:51,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:57:51,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1648462636, now seen corresponding path program 1 times [2023-11-29 03:57:51,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:57:51,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114975642] [2023-11-29 03:57:51,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:57:51,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:57:51,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:57:52,000 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 03:57:52,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:57:52,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114975642] [2023-11-29 03:57:52,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114975642] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:57:52,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:57:52,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:57:52,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399143424] [2023-11-29 03:57:52,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:57:52,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:57:52,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:57:52,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:57:52,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:57:52,054 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1022 out of 1075 [2023-11-29 03:57:52,057 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 968 places, 979 transitions, 1967 flow. Second operand has 3 states, 3 states have (on average 1023.3333333333334) internal successors, (3070), 3 states have internal predecessors, (3070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:52,058 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:57:52,058 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1022 of 1075 [2023-11-29 03:57:52,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:57:52,631 INFO L124 PetriNetUnfolderBase]: 75/1947 cut-off events. [2023-11-29 03:57:52,631 INFO L125 PetriNetUnfolderBase]: For 21/48 co-relation queries the response was YES. [2023-11-29 03:57:52,661 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2048 conditions, 1947 events. 75/1947 cut-off events. For 21/48 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 9258 event pairs, 39 based on Foata normal form. 0/1659 useless extension candidates. Maximal degree in co-relation 2005. Up to 89 conditions per place. [2023-11-29 03:57:52,675 INFO L140 encePairwiseOnDemand]: 1072/1075 looper letters, 19 selfloop transitions, 2 changer transitions 0/978 dead transitions. [2023-11-29 03:57:52,675 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 969 places, 978 transitions, 2007 flow [2023-11-29 03:57:52,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:57:52,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:57:52,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3088 transitions. [2023-11-29 03:57:52,684 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9575193798449613 [2023-11-29 03:57:52,684 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3088 transitions. [2023-11-29 03:57:52,685 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3088 transitions. [2023-11-29 03:57:52,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:57:52,687 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3088 transitions. [2023-11-29 03:57:52,694 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1029.3333333333333) internal successors, (3088), 3 states have internal predecessors, (3088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:52,701 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1075.0) internal successors, (4300), 4 states have internal predecessors, (4300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:52,703 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1075.0) internal successors, (4300), 4 states have internal predecessors, (4300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:52,703 INFO L175 Difference]: Start difference. First operand has 968 places, 979 transitions, 1967 flow. Second operand 3 states and 3088 transitions. [2023-11-29 03:57:52,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 969 places, 978 transitions, 2007 flow [2023-11-29 03:57:52,710 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 968 places, 978 transitions, 2006 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 03:57:52,724 INFO L231 Difference]: Finished difference. Result has 968 places, 978 transitions, 1968 flow [2023-11-29 03:57:52,726 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1075, PETRI_DIFFERENCE_MINUEND_FLOW=1964, PETRI_DIFFERENCE_MINUEND_PLACES=966, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=978, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=976, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1968, PETRI_PLACES=968, PETRI_TRANSITIONS=978} [2023-11-29 03:57:52,727 INFO L281 CegarLoopForPetriNet]: 1009 programPoint places, -41 predicate places. [2023-11-29 03:57:52,727 INFO L495 AbstractCegarLoop]: Abstraction has has 968 places, 978 transitions, 1968 flow [2023-11-29 03:57:52,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1023.3333333333334) internal successors, (3070), 3 states have internal predecessors, (3070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:52,729 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:57:52,729 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] [2023-11-29 03:57:52,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 03:57:52,729 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-11-29 03:57:52,730 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:57:52,730 INFO L85 PathProgramCache]: Analyzing trace with hash 4388993, now seen corresponding path program 1 times [2023-11-29 03:57:52,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:57:52,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070453369] [2023-11-29 03:57:52,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:57:52,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:57:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:57:52,785 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 03:57:52,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:57:52,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070453369] [2023-11-29 03:57:52,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070453369] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:57:52,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:57:52,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:57:52,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934457281] [2023-11-29 03:57:52,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:57:52,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:57:52,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:57:52,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:57:52,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:57:52,831 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1008 out of 1075 [2023-11-29 03:57:52,833 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 968 places, 978 transitions, 1968 flow. Second operand has 3 states, 3 states have (on average 1009.0) internal successors, (3027), 3 states have internal predecessors, (3027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:52,834 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:57:52,834 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1008 of 1075 [2023-11-29 03:57:52,834 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:57:53,976 INFO L124 PetriNetUnfolderBase]: 227/3739 cut-off events. [2023-11-29 03:57:53,976 INFO L125 PetriNetUnfolderBase]: For 65/94 co-relation queries the response was YES. [2023-11-29 03:57:54,027 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4030 conditions, 3739 events. 227/3739 cut-off events. For 65/94 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 27044 event pairs, 132 based on Foata normal form. 0/3186 useless extension candidates. Maximal degree in co-relation 3988. Up to 274 conditions per place. [2023-11-29 03:57:54,053 INFO L140 encePairwiseOnDemand]: 1064/1075 looper letters, 26 selfloop transitions, 1 changer transitions 0/968 dead transitions. [2023-11-29 03:57:54,053 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 960 places, 968 transitions, 2002 flow [2023-11-29 03:57:54,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:57:54,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:57:54,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3061 transitions. [2023-11-29 03:57:54,061 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9491472868217055 [2023-11-29 03:57:54,061 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3061 transitions. [2023-11-29 03:57:54,061 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3061 transitions. [2023-11-29 03:57:54,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:57:54,063 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3061 transitions. [2023-11-29 03:57:54,069 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1020.3333333333334) internal successors, (3061), 3 states have internal predecessors, (3061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:54,075 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1075.0) internal successors, (4300), 4 states have internal predecessors, (4300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:54,076 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1075.0) internal successors, (4300), 4 states have internal predecessors, (4300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:54,076 INFO L175 Difference]: Start difference. First operand has 968 places, 978 transitions, 1968 flow. Second operand 3 states and 3061 transitions. [2023-11-29 03:57:54,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 960 places, 968 transitions, 2002 flow [2023-11-29 03:57:54,083 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 958 places, 968 transitions, 1998 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:57:54,094 INFO L231 Difference]: Finished difference. Result has 958 places, 968 transitions, 1946 flow [2023-11-29 03:57:54,096 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1075, PETRI_DIFFERENCE_MINUEND_FLOW=1944, PETRI_DIFFERENCE_MINUEND_PLACES=956, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=968, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=967, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1946, PETRI_PLACES=958, PETRI_TRANSITIONS=968} [2023-11-29 03:57:54,097 INFO L281 CegarLoopForPetriNet]: 1009 programPoint places, -51 predicate places. [2023-11-29 03:57:54,097 INFO L495 AbstractCegarLoop]: Abstraction has has 958 places, 968 transitions, 1946 flow [2023-11-29 03:57:54,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1009.0) internal successors, (3027), 3 states have internal predecessors, (3027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:54,098 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:57:54,098 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:57:54,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 03:57:54,099 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-11-29 03:57:54,099 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:57:54,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1778744425, now seen corresponding path program 1 times [2023-11-29 03:57:54,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:57:54,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129935235] [2023-11-29 03:57:54,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:57:54,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:57:54,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:57:54,158 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 03:57:54,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:57:54,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129935235] [2023-11-29 03:57:54,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129935235] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:57:54,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:57:54,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:57:54,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622413249] [2023-11-29 03:57:54,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:57:54,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:57:54,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:57:54,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:57:54,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:57:54,183 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1030 out of 1075 [2023-11-29 03:57:54,187 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 958 places, 968 transitions, 1946 flow. Second operand has 3 states, 3 states have (on average 1031.3333333333333) internal successors, (3094), 3 states have internal predecessors, (3094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:54,188 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:57:54,188 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1030 of 1075 [2023-11-29 03:57:54,188 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:57:54,510 INFO L124 PetriNetUnfolderBase]: 26/1275 cut-off events. [2023-11-29 03:57:54,510 INFO L125 PetriNetUnfolderBase]: For 3/5 co-relation queries the response was YES. [2023-11-29 03:57:54,522 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1303 conditions, 1275 events. 26/1275 cut-off events. For 3/5 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3433 event pairs, 2 based on Foata normal form. 0/1118 useless extension candidates. Maximal degree in co-relation 1260. Up to 16 conditions per place. [2023-11-29 03:57:54,526 INFO L140 encePairwiseOnDemand]: 1072/1075 looper letters, 11 selfloop transitions, 2 changer transitions 0/967 dead transitions. [2023-11-29 03:57:54,527 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 959 places, 967 transitions, 1970 flow [2023-11-29 03:57:54,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:57:54,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:57:54,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3104 transitions. [2023-11-29 03:57:54,534 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9624806201550388 [2023-11-29 03:57:54,534 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3104 transitions. [2023-11-29 03:57:54,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3104 transitions. [2023-11-29 03:57:54,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:57:54,537 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3104 transitions. [2023-11-29 03:57:54,542 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1034.6666666666667) internal successors, (3104), 3 states have internal predecessors, (3104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:54,546 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1075.0) internal successors, (4300), 4 states have internal predecessors, (4300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:54,547 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1075.0) internal successors, (4300), 4 states have internal predecessors, (4300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:54,547 INFO L175 Difference]: Start difference. First operand has 958 places, 968 transitions, 1946 flow. Second operand 3 states and 3104 transitions. [2023-11-29 03:57:54,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 959 places, 967 transitions, 1970 flow [2023-11-29 03:57:54,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 958 places, 967 transitions, 1969 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 03:57:54,562 INFO L231 Difference]: Finished difference. Result has 958 places, 967 transitions, 1947 flow [2023-11-29 03:57:54,563 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1075, PETRI_DIFFERENCE_MINUEND_FLOW=1943, PETRI_DIFFERENCE_MINUEND_PLACES=956, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=967, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=965, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1947, PETRI_PLACES=958, PETRI_TRANSITIONS=967} [2023-11-29 03:57:54,564 INFO L281 CegarLoopForPetriNet]: 1009 programPoint places, -51 predicate places. [2023-11-29 03:57:54,564 INFO L495 AbstractCegarLoop]: Abstraction has has 958 places, 967 transitions, 1947 flow [2023-11-29 03:57:54,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1031.3333333333333) internal successors, (3094), 3 states have internal predecessors, (3094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:54,565 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:57:54,566 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] [2023-11-29 03:57:54,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 03:57:54,566 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-11-29 03:57:54,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:57:54,566 INFO L85 PathProgramCache]: Analyzing trace with hash 494279685, now seen corresponding path program 1 times [2023-11-29 03:57:54,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:57:54,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331850909] [2023-11-29 03:57:54,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:57:54,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:57:54,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:57:54,617 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 03:57:54,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:57:54,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331850909] [2023-11-29 03:57:54,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331850909] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:57:54,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:57:54,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:57:54,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105402180] [2023-11-29 03:57:54,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:57:54,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:57:54,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:57:54,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:57:54,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:57:54,645 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1029 out of 1075 [2023-11-29 03:57:54,648 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 958 places, 967 transitions, 1947 flow. Second operand has 3 states, 3 states have (on average 1030.3333333333333) internal successors, (3091), 3 states have internal predecessors, (3091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:54,648 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:57:54,648 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1029 of 1075 [2023-11-29 03:57:54,648 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:57:55,177 INFO L124 PetriNetUnfolderBase]: 42/1890 cut-off events. [2023-11-29 03:57:55,177 INFO L125 PetriNetUnfolderBase]: For 3/7 co-relation queries the response was YES. [2023-11-29 03:57:55,200 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1933 conditions, 1890 events. 42/1890 cut-off events. For 3/7 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 8647 event pairs, 6 based on Foata normal form. 0/1634 useless extension candidates. Maximal degree in co-relation 1890. Up to 25 conditions per place. [2023-11-29 03:57:55,210 INFO L140 encePairwiseOnDemand]: 1072/1075 looper letters, 12 selfloop transitions, 2 changer transitions 0/966 dead transitions. [2023-11-29 03:57:55,210 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 959 places, 966 transitions, 1973 flow [2023-11-29 03:57:55,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:57:55,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:57:55,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3102 transitions. [2023-11-29 03:57:55,218 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9618604651162791 [2023-11-29 03:57:55,218 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3102 transitions. [2023-11-29 03:57:55,218 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3102 transitions. [2023-11-29 03:57:55,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:57:55,220 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3102 transitions. [2023-11-29 03:57:55,225 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1034.0) internal successors, (3102), 3 states have internal predecessors, (3102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:55,230 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1075.0) internal successors, (4300), 4 states have internal predecessors, (4300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:55,231 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1075.0) internal successors, (4300), 4 states have internal predecessors, (4300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:55,231 INFO L175 Difference]: Start difference. First operand has 958 places, 967 transitions, 1947 flow. Second operand 3 states and 3102 transitions. [2023-11-29 03:57:55,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 959 places, 966 transitions, 1973 flow [2023-11-29 03:57:55,238 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 957 places, 966 transitions, 1969 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:57:55,247 INFO L231 Difference]: Finished difference. Result has 957 places, 966 transitions, 1945 flow [2023-11-29 03:57:55,249 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1075, PETRI_DIFFERENCE_MINUEND_FLOW=1941, PETRI_DIFFERENCE_MINUEND_PLACES=955, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=966, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=964, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1945, PETRI_PLACES=957, PETRI_TRANSITIONS=966} [2023-11-29 03:57:55,250 INFO L281 CegarLoopForPetriNet]: 1009 programPoint places, -52 predicate places. [2023-11-29 03:57:55,250 INFO L495 AbstractCegarLoop]: Abstraction has has 957 places, 966 transitions, 1945 flow [2023-11-29 03:57:55,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1030.3333333333333) internal successors, (3091), 3 states have internal predecessors, (3091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:55,251 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:57:55,252 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] [2023-11-29 03:57:55,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 03:57:55,252 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-11-29 03:57:55,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:57:55,252 INFO L85 PathProgramCache]: Analyzing trace with hash -713010154, now seen corresponding path program 1 times [2023-11-29 03:57:55,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:57:55,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096868580] [2023-11-29 03:57:55,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:57:55,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:57:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:57:55,300 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 03:57:55,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:57:55,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096868580] [2023-11-29 03:57:55,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096868580] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:57:55,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:57:55,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:57:55,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122410874] [2023-11-29 03:57:55,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:57:55,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:57:55,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:57:55,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:57:55,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:57:55,323 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1029 out of 1075 [2023-11-29 03:57:55,327 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 957 places, 966 transitions, 1945 flow. Second operand has 3 states, 3 states have (on average 1030.3333333333333) internal successors, (3091), 3 states have internal predecessors, (3091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:55,327 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:57:55,327 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1029 of 1075 [2023-11-29 03:57:55,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:57:55,812 INFO L124 PetriNetUnfolderBase]: 42/1889 cut-off events. [2023-11-29 03:57:55,812 INFO L125 PetriNetUnfolderBase]: For 3/5 co-relation queries the response was YES. [2023-11-29 03:57:55,839 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1932 conditions, 1889 events. 42/1889 cut-off events. For 3/5 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 8602 event pairs, 6 based on Foata normal form. 0/1634 useless extension candidates. Maximal degree in co-relation 1889. Up to 25 conditions per place. [2023-11-29 03:57:55,852 INFO L140 encePairwiseOnDemand]: 1072/1075 looper letters, 12 selfloop transitions, 2 changer transitions 0/965 dead transitions. [2023-11-29 03:57:55,853 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 958 places, 965 transitions, 1971 flow [2023-11-29 03:57:55,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:57:55,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:57:55,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3102 transitions. [2023-11-29 03:57:55,861 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9618604651162791 [2023-11-29 03:57:55,861 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3102 transitions. [2023-11-29 03:57:55,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3102 transitions. [2023-11-29 03:57:55,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:57:55,864 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3102 transitions. [2023-11-29 03:57:55,871 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1034.0) internal successors, (3102), 3 states have internal predecessors, (3102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:55,876 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1075.0) internal successors, (4300), 4 states have internal predecessors, (4300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:55,877 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1075.0) internal successors, (4300), 4 states have internal predecessors, (4300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:55,877 INFO L175 Difference]: Start difference. First operand has 957 places, 966 transitions, 1945 flow. Second operand 3 states and 3102 transitions. [2023-11-29 03:57:55,877 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 958 places, 965 transitions, 1971 flow [2023-11-29 03:57:55,884 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 956 places, 965 transitions, 1967 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:57:55,897 INFO L231 Difference]: Finished difference. Result has 956 places, 965 transitions, 1943 flow [2023-11-29 03:57:55,898 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1075, PETRI_DIFFERENCE_MINUEND_FLOW=1939, PETRI_DIFFERENCE_MINUEND_PLACES=954, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=965, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=963, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1943, PETRI_PLACES=956, PETRI_TRANSITIONS=965} [2023-11-29 03:57:55,899 INFO L281 CegarLoopForPetriNet]: 1009 programPoint places, -53 predicate places. [2023-11-29 03:57:55,899 INFO L495 AbstractCegarLoop]: Abstraction has has 956 places, 965 transitions, 1943 flow [2023-11-29 03:57:55,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1030.3333333333333) internal successors, (3091), 3 states have internal predecessors, (3091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:55,900 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:57:55,900 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:57:55,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 03:57:55,901 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-11-29 03:57:55,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:57:55,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1799466666, now seen corresponding path program 1 times [2023-11-29 03:57:55,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:57:55,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293771822] [2023-11-29 03:57:55,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:57:55,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:57:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:57:55,945 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 03:57:55,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:57:55,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293771822] [2023-11-29 03:57:55,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293771822] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:57:55,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:57:55,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:57:55,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975958581] [2023-11-29 03:57:55,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:57:55,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:57:55,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:57:55,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:57:55,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:57:55,969 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1030 out of 1075 [2023-11-29 03:57:55,973 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 956 places, 965 transitions, 1943 flow. Second operand has 3 states, 3 states have (on average 1031.3333333333333) internal successors, (3094), 3 states have internal predecessors, (3094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:55,973 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:57:55,973 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1030 of 1075 [2023-11-29 03:57:55,973 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:57:56,248 INFO L124 PetriNetUnfolderBase]: 23/1130 cut-off events. [2023-11-29 03:57:56,248 INFO L125 PetriNetUnfolderBase]: For 4/8 co-relation queries the response was YES. [2023-11-29 03:57:56,259 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1159 conditions, 1130 events. 23/1130 cut-off events. For 4/8 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2679 event pairs, 2 based on Foata normal form. 0/1000 useless extension candidates. Maximal degree in co-relation 1116. Up to 16 conditions per place. [2023-11-29 03:57:56,263 INFO L140 encePairwiseOnDemand]: 1072/1075 looper letters, 11 selfloop transitions, 2 changer transitions 0/964 dead transitions. [2023-11-29 03:57:56,263 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 957 places, 964 transitions, 1967 flow [2023-11-29 03:57:56,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:57:56,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:57:56,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3104 transitions. [2023-11-29 03:57:56,269 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9624806201550388 [2023-11-29 03:57:56,269 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3104 transitions. [2023-11-29 03:57:56,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3104 transitions. [2023-11-29 03:57:56,270 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:57:56,271 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3104 transitions. [2023-11-29 03:57:56,275 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1034.6666666666667) internal successors, (3104), 3 states have internal predecessors, (3104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:56,279 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1075.0) internal successors, (4300), 4 states have internal predecessors, (4300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:56,280 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1075.0) internal successors, (4300), 4 states have internal predecessors, (4300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:56,280 INFO L175 Difference]: Start difference. First operand has 956 places, 965 transitions, 1943 flow. Second operand 3 states and 3104 transitions. [2023-11-29 03:57:56,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 957 places, 964 transitions, 1967 flow [2023-11-29 03:57:56,285 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 955 places, 964 transitions, 1963 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:57:56,295 INFO L231 Difference]: Finished difference. Result has 955 places, 964 transitions, 1941 flow [2023-11-29 03:57:56,297 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1075, PETRI_DIFFERENCE_MINUEND_FLOW=1937, PETRI_DIFFERENCE_MINUEND_PLACES=953, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=964, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=962, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1941, PETRI_PLACES=955, PETRI_TRANSITIONS=964} [2023-11-29 03:57:56,297 INFO L281 CegarLoopForPetriNet]: 1009 programPoint places, -54 predicate places. [2023-11-29 03:57:56,298 INFO L495 AbstractCegarLoop]: Abstraction has has 955 places, 964 transitions, 1941 flow [2023-11-29 03:57:56,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1031.3333333333333) internal successors, (3094), 3 states have internal predecessors, (3094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:56,298 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:57:56,299 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:57:56,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 03:57:56,299 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-11-29 03:57:56,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:57:56,299 INFO L85 PathProgramCache]: Analyzing trace with hash 629850170, now seen corresponding path program 1 times [2023-11-29 03:57:56,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:57:56,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820845798] [2023-11-29 03:57:56,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:57:56,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:57:56,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:57:56,348 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 03:57:56,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:57:56,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820845798] [2023-11-29 03:57:56,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820845798] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:57:56,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:57:56,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:57:56,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807662009] [2023-11-29 03:57:56,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:57:56,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:57:56,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:57:56,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:57:56,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:57:56,375 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1029 out of 1075 [2023-11-29 03:57:56,378 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 955 places, 964 transitions, 1941 flow. Second operand has 3 states, 3 states have (on average 1030.3333333333333) internal successors, (3091), 3 states have internal predecessors, (3091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:56,378 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:57:56,378 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1029 of 1075 [2023-11-29 03:57:56,379 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:57:56,749 INFO L124 PetriNetUnfolderBase]: 33/1461 cut-off events. [2023-11-29 03:57:56,749 INFO L125 PetriNetUnfolderBase]: For 6/30 co-relation queries the response was YES. [2023-11-29 03:57:56,770 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1501 conditions, 1461 events. 33/1461 cut-off events. For 6/30 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 5292 event pairs, 6 based on Foata normal form. 0/1277 useless extension candidates. Maximal degree in co-relation 1458. Up to 25 conditions per place. [2023-11-29 03:57:56,779 INFO L140 encePairwiseOnDemand]: 1072/1075 looper letters, 12 selfloop transitions, 2 changer transitions 0/963 dead transitions. [2023-11-29 03:57:56,780 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 956 places, 963 transitions, 1967 flow [2023-11-29 03:57:56,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:57:56,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:57:56,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3102 transitions. [2023-11-29 03:57:56,786 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9618604651162791 [2023-11-29 03:57:56,787 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3102 transitions. [2023-11-29 03:57:56,787 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3102 transitions. [2023-11-29 03:57:56,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:57:56,788 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3102 transitions. [2023-11-29 03:57:56,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1034.0) internal successors, (3102), 3 states have internal predecessors, (3102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:56,796 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1075.0) internal successors, (4300), 4 states have internal predecessors, (4300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:56,796 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1075.0) internal successors, (4300), 4 states have internal predecessors, (4300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:56,796 INFO L175 Difference]: Start difference. First operand has 955 places, 964 transitions, 1941 flow. Second operand 3 states and 3102 transitions. [2023-11-29 03:57:56,797 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 956 places, 963 transitions, 1967 flow [2023-11-29 03:57:56,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 954 places, 963 transitions, 1963 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:57:56,812 INFO L231 Difference]: Finished difference. Result has 954 places, 963 transitions, 1939 flow [2023-11-29 03:57:56,813 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1075, PETRI_DIFFERENCE_MINUEND_FLOW=1935, PETRI_DIFFERENCE_MINUEND_PLACES=952, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=963, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=961, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1939, PETRI_PLACES=954, PETRI_TRANSITIONS=963} [2023-11-29 03:57:56,814 INFO L281 CegarLoopForPetriNet]: 1009 programPoint places, -55 predicate places. [2023-11-29 03:57:56,814 INFO L495 AbstractCegarLoop]: Abstraction has has 954 places, 963 transitions, 1939 flow [2023-11-29 03:57:56,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1030.3333333333333) internal successors, (3091), 3 states have internal predecessors, (3091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:56,815 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:57:56,815 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:57:56,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 03:57:56,815 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-11-29 03:57:56,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:57:56,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1984129800, now seen corresponding path program 1 times [2023-11-29 03:57:56,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:57:56,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967300106] [2023-11-29 03:57:56,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:57:56,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:57:56,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:57:56,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:57:56,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:57:56,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967300106] [2023-11-29 03:57:56,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967300106] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:57:56,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:57:56,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:57:56,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332807747] [2023-11-29 03:57:56,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:57:56,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:57:56,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:57:56,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:57:56,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:57:56,880 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1029 out of 1075 [2023-11-29 03:57:56,883 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 954 places, 963 transitions, 1939 flow. Second operand has 3 states, 3 states have (on average 1030.3333333333333) internal successors, (3091), 3 states have internal predecessors, (3091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:56,883 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:57:56,883 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1029 of 1075 [2023-11-29 03:57:56,883 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:57:57,232 INFO L124 PetriNetUnfolderBase]: 33/1460 cut-off events. [2023-11-29 03:57:57,232 INFO L125 PetriNetUnfolderBase]: For 6/22 co-relation queries the response was YES. [2023-11-29 03:57:57,253 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1500 conditions, 1460 events. 33/1460 cut-off events. For 6/22 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 5278 event pairs, 6 based on Foata normal form. 0/1278 useless extension candidates. Maximal degree in co-relation 1457. Up to 25 conditions per place. [2023-11-29 03:57:57,262 INFO L140 encePairwiseOnDemand]: 1072/1075 looper letters, 12 selfloop transitions, 2 changer transitions 0/962 dead transitions. [2023-11-29 03:57:57,262 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 955 places, 962 transitions, 1965 flow [2023-11-29 03:57:57,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:57:57,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:57:57,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3102 transitions. [2023-11-29 03:57:57,270 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9618604651162791 [2023-11-29 03:57:57,270 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3102 transitions. [2023-11-29 03:57:57,270 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3102 transitions. [2023-11-29 03:57:57,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:57:57,271 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3102 transitions. [2023-11-29 03:57:57,274 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1034.0) internal successors, (3102), 3 states have internal predecessors, (3102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:57,278 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1075.0) internal successors, (4300), 4 states have internal predecessors, (4300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:57,278 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1075.0) internal successors, (4300), 4 states have internal predecessors, (4300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:57,278 INFO L175 Difference]: Start difference. First operand has 954 places, 963 transitions, 1939 flow. Second operand 3 states and 3102 transitions. [2023-11-29 03:57:57,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 955 places, 962 transitions, 1965 flow [2023-11-29 03:57:57,284 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 953 places, 962 transitions, 1961 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:57:57,293 INFO L231 Difference]: Finished difference. Result has 953 places, 962 transitions, 1937 flow [2023-11-29 03:57:57,295 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1075, PETRI_DIFFERENCE_MINUEND_FLOW=1933, PETRI_DIFFERENCE_MINUEND_PLACES=951, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=962, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=960, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1937, PETRI_PLACES=953, PETRI_TRANSITIONS=962} [2023-11-29 03:57:57,295 INFO L281 CegarLoopForPetriNet]: 1009 programPoint places, -56 predicate places. [2023-11-29 03:57:57,296 INFO L495 AbstractCegarLoop]: Abstraction has has 953 places, 962 transitions, 1937 flow [2023-11-29 03:57:57,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1030.3333333333333) internal successors, (3091), 3 states have internal predecessors, (3091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:57,297 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:57:57,297 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] [2023-11-29 03:57:57,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 03:57:57,297 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-11-29 03:57:57,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:57:57,298 INFO L85 PathProgramCache]: Analyzing trace with hash 704909287, now seen corresponding path program 1 times [2023-11-29 03:57:57,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:57:57,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007105391] [2023-11-29 03:57:57,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:57:57,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:57:57,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:57:57,338 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 03:57:57,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:57:57,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007105391] [2023-11-29 03:57:57,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007105391] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:57:57,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:57:57,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:57:57,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427922963] [2023-11-29 03:57:57,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:57:57,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:57:57,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:57:57,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:57:57,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:57:57,358 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1030 out of 1075 [2023-11-29 03:57:57,360 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 953 places, 962 transitions, 1937 flow. Second operand has 3 states, 3 states have (on average 1031.3333333333333) internal successors, (3094), 3 states have internal predecessors, (3094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:57,361 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:57:57,361 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1030 of 1075 [2023-11-29 03:57:57,361 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:57:57,614 INFO L124 PetriNetUnfolderBase]: 20/991 cut-off events. [2023-11-29 03:57:57,615 INFO L125 PetriNetUnfolderBase]: For 5/7 co-relation queries the response was YES. [2023-11-29 03:57:57,631 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1019 conditions, 991 events. 20/991 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2141 event pairs, 2 based on Foata normal form. 0/888 useless extension candidates. Maximal degree in co-relation 976. Up to 16 conditions per place. [2023-11-29 03:57:57,637 INFO L140 encePairwiseOnDemand]: 1072/1075 looper letters, 11 selfloop transitions, 2 changer transitions 0/961 dead transitions. [2023-11-29 03:57:57,638 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 954 places, 961 transitions, 1961 flow [2023-11-29 03:57:57,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:57:57,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:57:57,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3104 transitions. [2023-11-29 03:57:57,646 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9624806201550388 [2023-11-29 03:57:57,646 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3104 transitions. [2023-11-29 03:57:57,646 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3104 transitions. [2023-11-29 03:57:57,647 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:57:57,647 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3104 transitions. [2023-11-29 03:57:57,650 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1034.6666666666667) internal successors, (3104), 3 states have internal predecessors, (3104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:57,654 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1075.0) internal successors, (4300), 4 states have internal predecessors, (4300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:57,654 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1075.0) internal successors, (4300), 4 states have internal predecessors, (4300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:57,654 INFO L175 Difference]: Start difference. First operand has 953 places, 962 transitions, 1937 flow. Second operand 3 states and 3104 transitions. [2023-11-29 03:57:57,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 954 places, 961 transitions, 1961 flow [2023-11-29 03:57:57,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 952 places, 961 transitions, 1957 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:57:57,670 INFO L231 Difference]: Finished difference. Result has 952 places, 961 transitions, 1935 flow [2023-11-29 03:57:57,671 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1075, PETRI_DIFFERENCE_MINUEND_FLOW=1931, PETRI_DIFFERENCE_MINUEND_PLACES=950, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=961, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=959, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1935, PETRI_PLACES=952, PETRI_TRANSITIONS=961} [2023-11-29 03:57:57,672 INFO L281 CegarLoopForPetriNet]: 1009 programPoint places, -57 predicate places. [2023-11-29 03:57:57,672 INFO L495 AbstractCegarLoop]: Abstraction has has 952 places, 961 transitions, 1935 flow [2023-11-29 03:57:57,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1031.3333333333333) internal successors, (3094), 3 states have internal predecessors, (3094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:57,673 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:57:57,673 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] [2023-11-29 03:57:57,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 03:57:57,673 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-11-29 03:57:57,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:57:57,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1697786373, now seen corresponding path program 1 times [2023-11-29 03:57:57,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:57:57,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999867602] [2023-11-29 03:57:57,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:57:57,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:57:57,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:57:57,711 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 03:57:57,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:57:57,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999867602] [2023-11-29 03:57:57,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999867602] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:57:57,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:57:57,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:57:57,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931814958] [2023-11-29 03:57:57,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:57:57,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:57:57,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:57:57,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:57:57,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:57:57,736 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1029 out of 1075 [2023-11-29 03:57:57,739 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 952 places, 961 transitions, 1935 flow. Second operand has 3 states, 3 states have (on average 1030.3333333333333) internal successors, (3091), 3 states have internal predecessors, (3091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:57,739 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:57:57,739 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1029 of 1075 [2023-11-29 03:57:57,739 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:57:58,033 INFO L124 PetriNetUnfolderBase]: 30/1226 cut-off events. [2023-11-29 03:57:58,033 INFO L125 PetriNetUnfolderBase]: For 9/11 co-relation queries the response was YES. [2023-11-29 03:57:58,050 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1263 conditions, 1226 events. 30/1226 cut-off events. For 9/11 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 3186 event pairs, 6 based on Foata normal form. 0/1080 useless extension candidates. Maximal degree in co-relation 1220. Up to 25 conditions per place. [2023-11-29 03:57:58,057 INFO L140 encePairwiseOnDemand]: 1072/1075 looper letters, 12 selfloop transitions, 2 changer transitions 0/960 dead transitions. [2023-11-29 03:57:58,058 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 953 places, 960 transitions, 1961 flow [2023-11-29 03:57:58,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:57:58,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:57:58,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3102 transitions. [2023-11-29 03:57:58,066 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9618604651162791 [2023-11-29 03:57:58,066 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3102 transitions. [2023-11-29 03:57:58,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3102 transitions. [2023-11-29 03:57:58,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:57:58,067 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3102 transitions. [2023-11-29 03:57:58,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1034.0) internal successors, (3102), 3 states have internal predecessors, (3102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:58,077 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1075.0) internal successors, (4300), 4 states have internal predecessors, (4300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:58,077 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1075.0) internal successors, (4300), 4 states have internal predecessors, (4300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:58,077 INFO L175 Difference]: Start difference. First operand has 952 places, 961 transitions, 1935 flow. Second operand 3 states and 3102 transitions. [2023-11-29 03:57:58,078 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 953 places, 960 transitions, 1961 flow [2023-11-29 03:57:58,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 951 places, 960 transitions, 1957 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:57:58,098 INFO L231 Difference]: Finished difference. Result has 951 places, 960 transitions, 1933 flow [2023-11-29 03:57:58,100 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1075, PETRI_DIFFERENCE_MINUEND_FLOW=1929, PETRI_DIFFERENCE_MINUEND_PLACES=949, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=960, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=958, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1933, PETRI_PLACES=951, PETRI_TRANSITIONS=960} [2023-11-29 03:57:58,101 INFO L281 CegarLoopForPetriNet]: 1009 programPoint places, -58 predicate places. [2023-11-29 03:57:58,101 INFO L495 AbstractCegarLoop]: Abstraction has has 951 places, 960 transitions, 1933 flow [2023-11-29 03:57:58,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1030.3333333333333) internal successors, (3091), 3 states have internal predecessors, (3091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:58,102 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:57:58,102 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:57:58,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 03:57:58,102 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-11-29 03:57:58,103 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:57:58,103 INFO L85 PathProgramCache]: Analyzing trace with hash 402711920, now seen corresponding path program 1 times [2023-11-29 03:57:58,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:57:58,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63539365] [2023-11-29 03:57:58,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:57:58,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:57:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:57:58,152 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 03:57:58,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:57:58,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63539365] [2023-11-29 03:57:58,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63539365] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:57:58,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:57:58,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:57:58,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073118364] [2023-11-29 03:57:58,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:57:58,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:57:58,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:57:58,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:57:58,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:57:58,176 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1029 out of 1075 [2023-11-29 03:57:58,179 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 951 places, 960 transitions, 1933 flow. Second operand has 3 states, 3 states have (on average 1030.3333333333333) internal successors, (3091), 3 states have internal predecessors, (3091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:58,179 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:57:58,179 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1029 of 1075 [2023-11-29 03:57:58,180 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:57:58,458 INFO L124 PetriNetUnfolderBase]: 30/1187 cut-off events. [2023-11-29 03:57:58,458 INFO L125 PetriNetUnfolderBase]: For 9/11 co-relation queries the response was YES. [2023-11-29 03:57:58,469 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1224 conditions, 1187 events. 30/1187 cut-off events. For 9/11 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 3050 event pairs, 6 based on Foata normal form. 0/1048 useless extension candidates. Maximal degree in co-relation 1181. Up to 25 conditions per place. [2023-11-29 03:57:58,474 INFO L140 encePairwiseOnDemand]: 1072/1075 looper letters, 12 selfloop transitions, 2 changer transitions 0/959 dead transitions. [2023-11-29 03:57:58,474 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 952 places, 959 transitions, 1959 flow [2023-11-29 03:57:58,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:57:58,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:57:58,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3102 transitions. [2023-11-29 03:57:58,480 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9618604651162791 [2023-11-29 03:57:58,480 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3102 transitions. [2023-11-29 03:57:58,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3102 transitions. [2023-11-29 03:57:58,481 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:57:58,481 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3102 transitions. [2023-11-29 03:57:58,484 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1034.0) internal successors, (3102), 3 states have internal predecessors, (3102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:58,487 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1075.0) internal successors, (4300), 4 states have internal predecessors, (4300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:58,488 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1075.0) internal successors, (4300), 4 states have internal predecessors, (4300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:58,488 INFO L175 Difference]: Start difference. First operand has 951 places, 960 transitions, 1933 flow. Second operand 3 states and 3102 transitions. [2023-11-29 03:57:58,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 952 places, 959 transitions, 1959 flow [2023-11-29 03:57:58,493 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 950 places, 959 transitions, 1955 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:57:58,502 INFO L231 Difference]: Finished difference. Result has 950 places, 959 transitions, 1931 flow [2023-11-29 03:57:58,504 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1075, PETRI_DIFFERENCE_MINUEND_FLOW=1927, PETRI_DIFFERENCE_MINUEND_PLACES=948, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=959, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=957, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1931, PETRI_PLACES=950, PETRI_TRANSITIONS=959} [2023-11-29 03:57:58,504 INFO L281 CegarLoopForPetriNet]: 1009 programPoint places, -59 predicate places. [2023-11-29 03:57:58,504 INFO L495 AbstractCegarLoop]: Abstraction has has 950 places, 959 transitions, 1931 flow [2023-11-29 03:57:58,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1030.3333333333333) internal successors, (3091), 3 states have internal predecessors, (3091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:58,505 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:57:58,505 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:57:58,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 03:57:58,505 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-11-29 03:57:58,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:57:58,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1374932715, now seen corresponding path program 1 times [2023-11-29 03:57:58,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:57:58,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875415458] [2023-11-29 03:57:58,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:57:58,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:57:58,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:57:58,579 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 03:57:58,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:57:58,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875415458] [2023-11-29 03:57:58,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875415458] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:57:58,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:57:58,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:57:58,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21607968] [2023-11-29 03:57:58,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:57:58,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:57:58,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:57:58,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:57:58,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:57:58,614 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1028 out of 1075 [2023-11-29 03:57:58,617 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 950 places, 959 transitions, 1931 flow. Second operand has 3 states, 3 states have (on average 1029.3333333333333) internal successors, (3088), 3 states have internal predecessors, (3088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:58,617 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:57:58,617 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1028 of 1075 [2023-11-29 03:57:58,617 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:57:58,978 INFO L124 PetriNetUnfolderBase]: 42/1582 cut-off events. [2023-11-29 03:57:58,978 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-29 03:57:58,998 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1636 conditions, 1582 events. 42/1582 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 6595 event pairs, 12 based on Foata normal form. 0/1382 useless extension candidates. Maximal degree in co-relation 1593. Up to 38 conditions per place. [2023-11-29 03:57:59,008 INFO L140 encePairwiseOnDemand]: 1072/1075 looper letters, 13 selfloop transitions, 2 changer transitions 0/958 dead transitions. [2023-11-29 03:57:59,008 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 951 places, 958 transitions, 1959 flow [2023-11-29 03:57:59,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:57:59,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:57:59,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3100 transitions. [2023-11-29 03:57:59,015 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9612403100775194 [2023-11-29 03:57:59,015 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3100 transitions. [2023-11-29 03:57:59,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3100 transitions. [2023-11-29 03:57:59,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:57:59,016 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3100 transitions. [2023-11-29 03:57:59,021 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1033.3333333333333) internal successors, (3100), 3 states have internal predecessors, (3100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:59,025 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1075.0) internal successors, (4300), 4 states have internal predecessors, (4300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:59,026 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1075.0) internal successors, (4300), 4 states have internal predecessors, (4300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:59,026 INFO L175 Difference]: Start difference. First operand has 950 places, 959 transitions, 1931 flow. Second operand 3 states and 3100 transitions. [2023-11-29 03:57:59,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 951 places, 958 transitions, 1959 flow [2023-11-29 03:57:59,034 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 949 places, 958 transitions, 1955 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:57:59,046 INFO L231 Difference]: Finished difference. Result has 949 places, 958 transitions, 1929 flow [2023-11-29 03:57:59,047 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1075, PETRI_DIFFERENCE_MINUEND_FLOW=1925, PETRI_DIFFERENCE_MINUEND_PLACES=947, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=958, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=956, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1929, PETRI_PLACES=949, PETRI_TRANSITIONS=958} [2023-11-29 03:57:59,048 INFO L281 CegarLoopForPetriNet]: 1009 programPoint places, -60 predicate places. [2023-11-29 03:57:59,048 INFO L495 AbstractCegarLoop]: Abstraction has has 949 places, 958 transitions, 1929 flow [2023-11-29 03:57:59,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1029.3333333333333) internal successors, (3088), 3 states have internal predecessors, (3088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:57:59,048 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:57:59,049 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:57:59,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 03:57:59,049 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-11-29 03:57:59,049 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:57:59,049 INFO L85 PathProgramCache]: Analyzing trace with hash -2022188252, now seen corresponding path program 1 times [2023-11-29 03:57:59,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:57:59,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724829180] [2023-11-29 03:57:59,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:57:59,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:57:59,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:57:59,901 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 03:57:59,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:57:59,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724829180] [2023-11-29 03:57:59,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724829180] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:57:59,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:57:59,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:57:59,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496253790] [2023-11-29 03:57:59,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:57:59,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:57:59,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:57:59,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:57:59,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:58:00,550 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 928 out of 1075 [2023-11-29 03:58:00,554 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 949 places, 958 transitions, 1929 flow. Second operand has 6 states, 6 states have (on average 929.5) internal successors, (5577), 6 states have internal predecessors, (5577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:58:00,554 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:58:00,554 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 928 of 1075 [2023-11-29 03:58:00,554 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:59:47,835 INFO L124 PetriNetUnfolderBase]: 99116/426040 cut-off events. [2023-11-29 03:59:47,835 INFO L125 PetriNetUnfolderBase]: For 719/931 co-relation queries the response was YES. [2023-11-29 03:59:51,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 558209 conditions, 426040 events. 99116/426040 cut-off events. For 719/931 co-relation queries the response was YES. Maximal size of possible extension queue 4964. Compared 7413337 event pairs, 94824 based on Foata normal form. 0/376525 useless extension candidates. Maximal degree in co-relation 558167. Up to 131766 conditions per place. [2023-11-29 03:59:52,938 INFO L140 encePairwiseOnDemand]: 1057/1075 looper letters, 99 selfloop transitions, 15 changer transitions 0/955 dead transitions. [2023-11-29 03:59:52,938 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 951 places, 955 transitions, 2151 flow [2023-11-29 03:59:52,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:59:52,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 03:59:52,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5685 transitions. [2023-11-29 03:59:52,951 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8813953488372093 [2023-11-29 03:59:52,951 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5685 transitions. [2023-11-29 03:59:52,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5685 transitions. [2023-11-29 03:59:52,953 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:59:52,953 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5685 transitions. [2023-11-29 03:59:52,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 947.5) internal successors, (5685), 6 states have internal predecessors, (5685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:59:52,964 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1075.0) internal successors, (7525), 7 states have internal predecessors, (7525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:59:52,964 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1075.0) internal successors, (7525), 7 states have internal predecessors, (7525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:59:52,964 INFO L175 Difference]: Start difference. First operand has 949 places, 958 transitions, 1929 flow. Second operand 6 states and 5685 transitions. [2023-11-29 03:59:52,965 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 951 places, 955 transitions, 2151 flow [2023-11-29 03:59:52,970 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 949 places, 955 transitions, 2147 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:59:52,978 INFO L231 Difference]: Finished difference. Result has 949 places, 955 transitions, 1949 flow [2023-11-29 03:59:52,979 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1075, PETRI_DIFFERENCE_MINUEND_FLOW=1919, PETRI_DIFFERENCE_MINUEND_PLACES=944, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=955, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=940, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1949, PETRI_PLACES=949, PETRI_TRANSITIONS=955} [2023-11-29 03:59:52,980 INFO L281 CegarLoopForPetriNet]: 1009 programPoint places, -60 predicate places. [2023-11-29 03:59:52,980 INFO L495 AbstractCegarLoop]: Abstraction has has 949 places, 955 transitions, 1949 flow [2023-11-29 03:59:52,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 929.5) internal successors, (5577), 6 states have internal predecessors, (5577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:59:52,981 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:59:52,981 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:59:52,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 03:59:52,981 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-11-29 03:59:52,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:59:52,982 INFO L85 PathProgramCache]: Analyzing trace with hash 386571329, now seen corresponding path program 1 times [2023-11-29 03:59:52,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:59:52,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840733915] [2023-11-29 03:59:52,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:59:52,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:59:53,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:59:53,033 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 03:59:53,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:59:53,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840733915] [2023-11-29 03:59:53,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840733915] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:59:53,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:59:53,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:59:53,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350080933] [2023-11-29 03:59:53,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:59:53,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:59:53,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:59:53,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:59:53,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:59:53,059 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1028 out of 1075 [2023-11-29 03:59:53,061 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 949 places, 955 transitions, 1949 flow. Second operand has 3 states, 3 states have (on average 1029.3333333333333) internal successors, (3088), 3 states have internal predecessors, (3088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:59:53,061 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:59:53,061 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1028 of 1075 [2023-11-29 03:59:53,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:59:53,651 INFO L124 PetriNetUnfolderBase]: 62/2162 cut-off events. [2023-11-29 03:59:53,651 INFO L125 PetriNetUnfolderBase]: For 5/8 co-relation queries the response was YES. [2023-11-29 03:59:53,677 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2247 conditions, 2162 events. 62/2162 cut-off events. For 5/8 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 11015 event pairs, 20 based on Foata normal form. 0/1863 useless extension candidates. Maximal degree in co-relation 2204. Up to 50 conditions per place. [2023-11-29 03:59:53,688 INFO L140 encePairwiseOnDemand]: 1072/1075 looper letters, 13 selfloop transitions, 2 changer transitions 0/954 dead transitions. [2023-11-29 03:59:53,688 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 950 places, 954 transitions, 1977 flow [2023-11-29 03:59:53,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:59:53,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:59:53,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3100 transitions. [2023-11-29 03:59:53,694 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9612403100775194 [2023-11-29 03:59:53,694 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3100 transitions. [2023-11-29 03:59:53,694 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3100 transitions. [2023-11-29 03:59:53,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:59:53,695 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3100 transitions. [2023-11-29 03:59:53,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1033.3333333333333) internal successors, (3100), 3 states have internal predecessors, (3100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:59:53,699 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1075.0) internal successors, (4300), 4 states have internal predecessors, (4300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:59:53,700 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1075.0) internal successors, (4300), 4 states have internal predecessors, (4300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:59:53,700 INFO L175 Difference]: Start difference. First operand has 949 places, 955 transitions, 1949 flow. Second operand 3 states and 3100 transitions. [2023-11-29 03:59:53,700 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 950 places, 954 transitions, 1977 flow [2023-11-29 03:59:53,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 945 places, 954 transitions, 1947 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 03:59:53,711 INFO L231 Difference]: Finished difference. Result has 945 places, 954 transitions, 1921 flow [2023-11-29 03:59:53,712 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1075, PETRI_DIFFERENCE_MINUEND_FLOW=1917, PETRI_DIFFERENCE_MINUEND_PLACES=943, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=954, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=952, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1921, PETRI_PLACES=945, PETRI_TRANSITIONS=954} [2023-11-29 03:59:53,713 INFO L281 CegarLoopForPetriNet]: 1009 programPoint places, -64 predicate places. [2023-11-29 03:59:53,713 INFO L495 AbstractCegarLoop]: Abstraction has has 945 places, 954 transitions, 1921 flow [2023-11-29 03:59:53,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1029.3333333333333) internal successors, (3088), 3 states have internal predecessors, (3088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:59:53,713 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:59:53,714 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:59:53,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 03:59:53,714 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-11-29 03:59:53,714 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:59:53,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1893445388, now seen corresponding path program 1 times [2023-11-29 03:59:53,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:59:53,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807954727] [2023-11-29 03:59:53,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:59:53,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:59:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:59:53,774 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 03:59:53,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:59:53,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807954727] [2023-11-29 03:59:53,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807954727] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:59:53,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:59:53,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:59:53,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613175866] [2023-11-29 03:59:53,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:59:53,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:59:53,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:59:53,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:59:53,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:59:53,799 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1028 out of 1075 [2023-11-29 03:59:53,802 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 945 places, 954 transitions, 1921 flow. Second operand has 3 states, 3 states have (on average 1029.3333333333333) internal successors, (3088), 3 states have internal predecessors, (3088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:59:53,802 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:59:53,802 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1028 of 1075 [2023-11-29 03:59:53,802 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:59:54,200 INFO L124 PetriNetUnfolderBase]: 53/1694 cut-off events. [2023-11-29 03:59:54,201 INFO L125 PetriNetUnfolderBase]: For 13/25 co-relation queries the response was YES. [2023-11-29 03:59:54,223 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1758 conditions, 1694 events. 53/1694 cut-off events. For 13/25 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 6572 event pairs, 20 based on Foata normal form. 0/1479 useless extension candidates. Maximal degree in co-relation 1715. Up to 50 conditions per place. [2023-11-29 03:59:54,232 INFO L140 encePairwiseOnDemand]: 1072/1075 looper letters, 13 selfloop transitions, 2 changer transitions 0/953 dead transitions. [2023-11-29 03:59:54,232 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 946 places, 953 transitions, 1949 flow [2023-11-29 03:59:54,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:59:54,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:59:54,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3100 transitions. [2023-11-29 03:59:54,240 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9612403100775194 [2023-11-29 03:59:54,240 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3100 transitions. [2023-11-29 03:59:54,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3100 transitions. [2023-11-29 03:59:54,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:59:54,241 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3100 transitions. [2023-11-29 03:59:54,245 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1033.3333333333333) internal successors, (3100), 3 states have internal predecessors, (3100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:59:54,248 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1075.0) internal successors, (4300), 4 states have internal predecessors, (4300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:59:54,249 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1075.0) internal successors, (4300), 4 states have internal predecessors, (4300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:59:54,249 INFO L175 Difference]: Start difference. First operand has 945 places, 954 transitions, 1921 flow. Second operand 3 states and 3100 transitions. [2023-11-29 03:59:54,249 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 946 places, 953 transitions, 1949 flow [2023-11-29 03:59:54,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 944 places, 953 transitions, 1945 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:59:54,262 INFO L231 Difference]: Finished difference. Result has 944 places, 953 transitions, 1919 flow [2023-11-29 03:59:54,263 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1075, PETRI_DIFFERENCE_MINUEND_FLOW=1915, PETRI_DIFFERENCE_MINUEND_PLACES=942, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=953, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=951, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1919, PETRI_PLACES=944, PETRI_TRANSITIONS=953} [2023-11-29 03:59:54,263 INFO L281 CegarLoopForPetriNet]: 1009 programPoint places, -65 predicate places. [2023-11-29 03:59:54,263 INFO L495 AbstractCegarLoop]: Abstraction has has 944 places, 953 transitions, 1919 flow [2023-11-29 03:59:54,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1029.3333333333333) internal successors, (3088), 3 states have internal predecessors, (3088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:59:54,264 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:59:54,264 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:59:54,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 03:59:54,264 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-11-29 03:59:54,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:59:54,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1837100196, now seen corresponding path program 1 times [2023-11-29 03:59:54,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:59:54,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976709029] [2023-11-29 03:59:54,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:59:54,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:59:54,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:59:54,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:59:54,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:59:54,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976709029] [2023-11-29 03:59:54,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976709029] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:59:54,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:59:54,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:59:54,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247717631] [2023-11-29 03:59:54,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:59:54,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:59:54,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:59:54,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:59:54,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:59:54,794 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 928 out of 1075 [2023-11-29 03:59:54,796 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 944 places, 953 transitions, 1919 flow. Second operand has 3 states, 3 states have (on average 930.0) internal successors, (2790), 3 states have internal predecessors, (2790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:59:54,796 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:59:54,796 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 928 of 1075 [2023-11-29 03:59:54,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand