./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-2_4-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f747e53b-ca97-4c65-8a5a-39b12d83aa0c/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f747e53b-ca97-4c65-8a5a-39b12d83aa0c/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_f747e53b-ca97-4c65-8a5a-39b12d83aa0c/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f747e53b-ca97-4c65-8a5a-39b12d83aa0c/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_4-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f747e53b-ca97-4c65-8a5a-39b12d83aa0c/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_f747e53b-ca97-4c65-8a5a-39b12d83aa0c/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 2872c384167f2e3876e0fc6c6cdca366b47c7b8757c341fcf44d3890af023ea5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:11:48,355 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:11:48,443 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f747e53b-ca97-4c65-8a5a-39b12d83aa0c/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 04:11:48,448 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:11:48,449 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:11:48,471 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:11:48,472 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:11:48,472 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:11:48,473 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:11:48,474 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:11:48,475 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:11:48,475 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:11:48,476 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:11:48,476 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:11:48,477 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:11:48,478 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:11:48,478 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:11:48,479 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:11:48,479 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:11:48,480 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:11:48,480 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:11:48,481 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:11:48,481 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 04:11:48,482 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 04:11:48,482 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:11:48,483 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:11:48,483 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:11:48,484 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:11:48,484 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:11:48,484 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:11:48,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:11:48,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:11:48,486 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:11:48,486 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:11:48,486 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:11:48,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:11:48,487 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:11:48,487 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:11:48,487 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:11:48,487 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:11:48,487 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:11:48,488 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_f747e53b-ca97-4c65-8a5a-39b12d83aa0c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f747e53b-ca97-4c65-8a5a-39b12d83aa0c/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2872c384167f2e3876e0fc6c6cdca366b47c7b8757c341fcf44d3890af023ea5 [2023-11-29 04:11:48,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:11:48,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:11:48,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:11:48,767 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:11:48,770 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:11:48,771 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f747e53b-ca97-4c65-8a5a-39b12d83aa0c/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/ldv-races/race-2_4-container_of.i [2023-11-29 04:11:51,600 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:11:51,876 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:11:51,877 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f747e53b-ca97-4c65-8a5a-39b12d83aa0c/sv-benchmarks/c/ldv-races/race-2_4-container_of.i [2023-11-29 04:11:51,917 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f747e53b-ca97-4c65-8a5a-39b12d83aa0c/bin/uautomizer-verify-BQ2R08f2Ya/data/dfdb6c5ac/614cd7989c9e43dbb52feb2a519232c9/FLAG4d8ac8e76 [2023-11-29 04:11:51,933 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f747e53b-ca97-4c65-8a5a-39b12d83aa0c/bin/uautomizer-verify-BQ2R08f2Ya/data/dfdb6c5ac/614cd7989c9e43dbb52feb2a519232c9 [2023-11-29 04:11:51,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:11:51,938 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:11:51,939 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:11:51,940 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:11:51,945 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:11:51,946 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:11:51" (1/1) ... [2023-11-29 04:11:51,947 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3564fdc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:11:51, skipping insertion in model container [2023-11-29 04:11:51,947 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:11:51" (1/1) ... [2023-11-29 04:11:52,035 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:11:52,580 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:11:52,592 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:11:52,662 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:11:52,718 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:11:52,718 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:11:52,727 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:11:52,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:11:52 WrapperNode [2023-11-29 04:11:52,728 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:11:52,729 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:11:52,729 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:11:52,730 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:11:52,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:11:52" (1/1) ... [2023-11-29 04:11:52,764 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:11:52" (1/1) ... [2023-11-29 04:11:52,802 INFO L138 Inliner]: procedures = 248, calls = 64, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 244 [2023-11-29 04:11:52,803 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:11:52,804 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:11:52,804 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:11:52,804 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:11:52,815 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:11:52" (1/1) ... [2023-11-29 04:11:52,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:11:52" (1/1) ... [2023-11-29 04:11:52,824 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:11:52" (1/1) ... [2023-11-29 04:11:52,825 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:11:52" (1/1) ... [2023-11-29 04:11:52,854 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:11:52" (1/1) ... [2023-11-29 04:11:52,858 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:11:52" (1/1) ... [2023-11-29 04:11:52,864 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:11:52" (1/1) ... [2023-11-29 04:11:52,868 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:11:52" (1/1) ... [2023-11-29 04:11:52,876 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:11:52,877 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:11:52,877 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:11:52,877 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:11:52,878 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:11:52" (1/1) ... [2023-11-29 04:11:52,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:11:52,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f747e53b-ca97-4c65-8a5a-39b12d83aa0c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:11:52,910 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f747e53b-ca97-4c65-8a5a-39b12d83aa0c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:11:52,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f747e53b-ca97-4c65-8a5a-39b12d83aa0c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:11:52,941 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-11-29 04:11:52,942 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-11-29 04:11:52,942 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 04:11:52,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 04:11:52,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 04:11:52,942 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 04:11:52,942 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-29 04:11:52,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 04:11:52,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 04:11:52,943 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-29 04:11:52,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:11:52,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-29 04:11:52,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 04:11:52,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:11:52,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:11:52,945 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 04:11:53,246 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:11:53,248 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:11:53,712 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:11:53,813 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:11:53,813 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 04:11:53,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:11:53 BoogieIcfgContainer [2023-11-29 04:11:53,815 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:11:53,817 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:11:53,817 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:11:53,820 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:11:53,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:11:51" (1/3) ... [2023-11-29 04:11:53,820 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51933f7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:11:53, skipping insertion in model container [2023-11-29 04:11:53,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:11:52" (2/3) ... [2023-11-29 04:11:53,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51933f7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:11:53, skipping insertion in model container [2023-11-29 04:11:53,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:11:53" (3/3) ... [2023-11-29 04:11:53,823 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_4-container_of.i [2023-11-29 04:11:53,831 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 04:11:53,839 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:11:53,839 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2023-11-29 04:11:53,839 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 04:11:53,912 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-29 04:11:53,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 267 places, 271 transitions, 556 flow [2023-11-29 04:11:54,096 INFO L124 PetriNetUnfolderBase]: 14/367 cut-off events. [2023-11-29 04:11:54,096 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-29 04:11:54,102 INFO L83 FinitePrefix]: Finished finitePrefix Result has 376 conditions, 367 events. 14/367 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 833 event pairs, 0 based on Foata normal form. 0/322 useless extension candidates. Maximal degree in co-relation 184. Up to 4 conditions per place. [2023-11-29 04:11:54,102 INFO L82 GeneralOperation]: Start removeDead. Operand has 267 places, 271 transitions, 556 flow [2023-11-29 04:11:54,110 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 265 places, 268 transitions, 548 flow [2023-11-29 04:11:54,119 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:11:54,126 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;@78572db8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:11:54,126 INFO L358 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2023-11-29 04:11:54,135 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 04:11:54,135 INFO L124 PetriNetUnfolderBase]: 0/35 cut-off events. [2023-11-29 04:11:54,135 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 04:11:54,135 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:11:54,136 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] [2023-11-29 04:11:54,136 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 04:11:54,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:11:54,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1298905060, now seen corresponding path program 1 times [2023-11-29 04:11:54,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:11:54,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139045743] [2023-11-29 04:11:54,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:11:54,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:11:54,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:55,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:11:55,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:11:55,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139045743] [2023-11-29 04:11:55,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139045743] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:11:55,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:11:55,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:11:55,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246005947] [2023-11-29 04:11:55,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:11:55,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:11:55,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:11:55,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:11:55,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:11:55,454 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 271 [2023-11-29 04:11:55,461 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 268 transitions, 548 flow. Second operand has 6 states, 6 states have (on average 189.33333333333334) internal successors, (1136), 6 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:11:55,461 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:11:55,461 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 271 [2023-11-29 04:11:55,462 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:11:56,673 INFO L124 PetriNetUnfolderBase]: 1556/4733 cut-off events. [2023-11-29 04:11:56,673 INFO L125 PetriNetUnfolderBase]: For 28/28 co-relation queries the response was YES. [2023-11-29 04:11:56,691 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7328 conditions, 4733 events. 1556/4733 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 172. Compared 39401 event pairs, 1555 based on Foata normal form. 152/4551 useless extension candidates. Maximal degree in co-relation 6948. Up to 2566 conditions per place. [2023-11-29 04:11:56,724 INFO L140 encePairwiseOnDemand]: 247/271 looper letters, 55 selfloop transitions, 5 changer transitions 6/237 dead transitions. [2023-11-29 04:11:56,725 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 237 transitions, 606 flow [2023-11-29 04:11:56,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:11:56,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:11:56,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1207 transitions. [2023-11-29 04:11:56,748 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7423124231242313 [2023-11-29 04:11:56,749 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1207 transitions. [2023-11-29 04:11:56,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1207 transitions. [2023-11-29 04:11:56,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:11:56,757 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1207 transitions. [2023-11-29 04:11:56,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 201.16666666666666) internal successors, (1207), 6 states have internal predecessors, (1207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:11:56,777 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:11:56,779 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:11:56,782 INFO L175 Difference]: Start difference. First operand has 265 places, 268 transitions, 548 flow. Second operand 6 states and 1207 transitions. [2023-11-29 04:11:56,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 237 transitions, 606 flow [2023-11-29 04:11:56,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 237 transitions, 598 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 04:11:56,798 INFO L231 Difference]: Finished difference. Result has 243 places, 231 transitions, 476 flow [2023-11-29 04:11:56,801 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=478, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=476, PETRI_PLACES=243, PETRI_TRANSITIONS=231} [2023-11-29 04:11:56,805 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, -22 predicate places. [2023-11-29 04:11:56,806 INFO L495 AbstractCegarLoop]: Abstraction has has 243 places, 231 transitions, 476 flow [2023-11-29 04:11:56,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.33333333333334) internal successors, (1136), 6 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:11:56,808 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:11:56,808 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] [2023-11-29 04:11:56,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 04:11:56,808 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 04:11:56,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:11:56,809 INFO L85 PathProgramCache]: Analyzing trace with hash 383110898, now seen corresponding path program 1 times [2023-11-29 04:11:56,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:11:56,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495480658] [2023-11-29 04:11:56,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:11:56,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:11:56,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:57,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:11:57,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:11:57,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495480658] [2023-11-29 04:11:57,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495480658] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:11:57,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:11:57,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:11:57,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861764157] [2023-11-29 04:11:57,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:11:57,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:11:57,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:11:57,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:11:57,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:11:57,729 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 271 [2023-11-29 04:11:57,731 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 231 transitions, 476 flow. Second operand has 6 states, 6 states have (on average 189.33333333333334) internal successors, (1136), 6 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:11:57,731 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:11:57,731 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 271 [2023-11-29 04:11:57,732 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:11:58,822 INFO L124 PetriNetUnfolderBase]: 1556/4726 cut-off events. [2023-11-29 04:11:58,822 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-29 04:11:58,837 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7311 conditions, 4726 events. 1556/4726 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 172. Compared 39545 event pairs, 1555 based on Foata normal form. 0/4395 useless extension candidates. Maximal degree in co-relation 7264. Up to 2566 conditions per place. [2023-11-29 04:11:58,866 INFO L140 encePairwiseOnDemand]: 265/271 looper letters, 55 selfloop transitions, 5 changer transitions 0/230 dead transitions. [2023-11-29 04:11:58,866 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 230 transitions, 594 flow [2023-11-29 04:11:58,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:11:58,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:11:58,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1189 transitions. [2023-11-29 04:11:58,872 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7312423124231242 [2023-11-29 04:11:58,872 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1189 transitions. [2023-11-29 04:11:58,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1189 transitions. [2023-11-29 04:11:58,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:11:58,874 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1189 transitions. [2023-11-29 04:11:58,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 198.16666666666666) internal successors, (1189), 6 states have internal predecessors, (1189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:11:58,884 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:11:58,886 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:11:58,887 INFO L175 Difference]: Start difference. First operand has 243 places, 231 transitions, 476 flow. Second operand 6 states and 1189 transitions. [2023-11-29 04:11:58,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 230 transitions, 594 flow [2023-11-29 04:11:58,890 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 230 transitions, 584 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 04:11:58,895 INFO L231 Difference]: Finished difference. Result has 236 places, 230 transitions, 474 flow [2023-11-29 04:11:58,896 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=464, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=474, PETRI_PLACES=236, PETRI_TRANSITIONS=230} [2023-11-29 04:11:58,897 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, -29 predicate places. [2023-11-29 04:11:58,897 INFO L495 AbstractCegarLoop]: Abstraction has has 236 places, 230 transitions, 474 flow [2023-11-29 04:11:58,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.33333333333334) internal successors, (1136), 6 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:11:58,899 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:11:58,899 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 04:11:58,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 04:11:58,899 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 04:11:58,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:11:58,900 INFO L85 PathProgramCache]: Analyzing trace with hash -2125483103, now seen corresponding path program 1 times [2023-11-29 04:11:58,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:11:58,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249860240] [2023-11-29 04:11:58,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:11:58,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:11:58,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:11:59,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:11:59,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:11:59,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249860240] [2023-11-29 04:11:59,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249860240] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:11:59,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:11:59,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:11:59,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294046669] [2023-11-29 04:11:59,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:11:59,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:11:59,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:11:59,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:11:59,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:11:59,911 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 271 [2023-11-29 04:11:59,914 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 230 transitions, 474 flow. Second operand has 6 states, 6 states have (on average 194.66666666666666) internal successors, (1168), 6 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:11:59,914 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:11:59,914 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 271 [2023-11-29 04:11:59,914 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:12:01,125 INFO L124 PetriNetUnfolderBase]: 1748/4790 cut-off events. [2023-11-29 04:12:01,125 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-29 04:12:01,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7683 conditions, 4790 events. 1748/4790 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 238. Compared 38216 event pairs, 1287 based on Foata normal form. 0/4554 useless extension candidates. Maximal degree in co-relation 7620. Up to 2542 conditions per place. [2023-11-29 04:12:01,162 INFO L140 encePairwiseOnDemand]: 258/271 looper letters, 69 selfloop transitions, 30 changer transitions 6/275 dead transitions. [2023-11-29 04:12:01,162 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 275 transitions, 768 flow [2023-11-29 04:12:01,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:12:01,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:12:01,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1255 transitions. [2023-11-29 04:12:01,167 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7718327183271833 [2023-11-29 04:12:01,168 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1255 transitions. [2023-11-29 04:12:01,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1255 transitions. [2023-11-29 04:12:01,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:12:01,169 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1255 transitions. [2023-11-29 04:12:01,175 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 209.16666666666666) internal successors, (1255), 6 states have internal predecessors, (1255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:01,181 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:01,183 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:01,183 INFO L175 Difference]: Start difference. First operand has 236 places, 230 transitions, 474 flow. Second operand 6 states and 1255 transitions. [2023-11-29 04:12:01,183 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 275 transitions, 768 flow [2023-11-29 04:12:01,186 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 275 transitions, 758 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 04:12:01,193 INFO L231 Difference]: Finished difference. Result has 241 places, 253 transitions, 654 flow [2023-11-29 04:12:01,194 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=464, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=654, PETRI_PLACES=241, PETRI_TRANSITIONS=253} [2023-11-29 04:12:01,195 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, -24 predicate places. [2023-11-29 04:12:01,195 INFO L495 AbstractCegarLoop]: Abstraction has has 241 places, 253 transitions, 654 flow [2023-11-29 04:12:01,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 194.66666666666666) internal successors, (1168), 6 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:01,196 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:12:01,196 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] [2023-11-29 04:12:01,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 04:12:01,197 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 04:12:01,197 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:12:01,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1849087191, now seen corresponding path program 1 times [2023-11-29 04:12:01,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:12:01,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371351535] [2023-11-29 04:12:01,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:12:01,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:12:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:01,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:12:01,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:12:01,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371351535] [2023-11-29 04:12:01,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371351535] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:12:01,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:12:01,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:12:01,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612849600] [2023-11-29 04:12:01,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:12:01,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:12:01,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:12:01,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:12:01,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:12:01,434 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 271 [2023-11-29 04:12:01,437 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 253 transitions, 654 flow. Second operand has 5 states, 5 states have (on average 222.4) internal successors, (1112), 5 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:01,437 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:12:01,437 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 271 [2023-11-29 04:12:01,437 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:12:02,110 INFO L124 PetriNetUnfolderBase]: 1017/3608 cut-off events. [2023-11-29 04:12:02,110 INFO L125 PetriNetUnfolderBase]: For 799/801 co-relation queries the response was YES. [2023-11-29 04:12:02,119 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6507 conditions, 3608 events. 1017/3608 cut-off events. For 799/801 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 28984 event pairs, 737 based on Foata normal form. 1/3385 useless extension candidates. Maximal degree in co-relation 4438. Up to 1440 conditions per place. [2023-11-29 04:12:02,135 INFO L140 encePairwiseOnDemand]: 266/271 looper letters, 50 selfloop transitions, 4 changer transitions 0/256 dead transitions. [2023-11-29 04:12:02,135 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 256 transitions, 768 flow [2023-11-29 04:12:02,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:12:02,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:12:02,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1351 transitions. [2023-11-29 04:12:02,140 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8308733087330873 [2023-11-29 04:12:02,141 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1351 transitions. [2023-11-29 04:12:02,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1351 transitions. [2023-11-29 04:12:02,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:12:02,142 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1351 transitions. [2023-11-29 04:12:02,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 225.16666666666666) internal successors, (1351), 6 states have internal predecessors, (1351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:02,150 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:02,151 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:02,151 INFO L175 Difference]: Start difference. First operand has 241 places, 253 transitions, 654 flow. Second operand 6 states and 1351 transitions. [2023-11-29 04:12:02,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 256 transitions, 768 flow [2023-11-29 04:12:02,160 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 256 transitions, 768 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 04:12:02,163 INFO L231 Difference]: Finished difference. Result has 244 places, 256 transitions, 683 flow [2023-11-29 04:12:02,164 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=654, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=683, PETRI_PLACES=244, PETRI_TRANSITIONS=256} [2023-11-29 04:12:02,165 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, -21 predicate places. [2023-11-29 04:12:02,165 INFO L495 AbstractCegarLoop]: Abstraction has has 244 places, 256 transitions, 683 flow [2023-11-29 04:12:02,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 222.4) internal successors, (1112), 5 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:02,166 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:12:02,166 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] [2023-11-29 04:12:02,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 04:12:02,166 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 04:12:02,167 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:12:02,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1494740900, now seen corresponding path program 1 times [2023-11-29 04:12:02,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:12:02,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819091402] [2023-11-29 04:12:02,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:12:02,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:12:02,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:02,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:12:02,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:12:02,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819091402] [2023-11-29 04:12:02,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819091402] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:12:02,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:12:02,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:12:02,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339895949] [2023-11-29 04:12:02,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:12:02,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:12:02,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:12:02,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:12:02,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:12:02,950 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 271 [2023-11-29 04:12:02,951 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 256 transitions, 683 flow. Second operand has 6 states, 6 states have (on average 194.66666666666666) internal successors, (1168), 6 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:02,951 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:12:02,951 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 271 [2023-11-29 04:12:02,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:12:04,317 INFO L124 PetriNetUnfolderBase]: 1979/4922 cut-off events. [2023-11-29 04:12:04,317 INFO L125 PetriNetUnfolderBase]: For 1316/1338 co-relation queries the response was YES. [2023-11-29 04:12:04,337 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9979 conditions, 4922 events. 1979/4922 cut-off events. For 1316/1338 co-relation queries the response was YES. Maximal size of possible extension queue 248. Compared 38164 event pairs, 1275 based on Foata normal form. 0/4667 useless extension candidates. Maximal degree in co-relation 9876. Up to 2748 conditions per place. [2023-11-29 04:12:04,362 INFO L140 encePairwiseOnDemand]: 258/271 looper letters, 92 selfloop transitions, 30 changer transitions 12/301 dead transitions. [2023-11-29 04:12:04,362 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 301 transitions, 1067 flow [2023-11-29 04:12:04,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:12:04,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:12:04,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1252 transitions. [2023-11-29 04:12:04,369 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7699876998769988 [2023-11-29 04:12:04,369 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1252 transitions. [2023-11-29 04:12:04,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1252 transitions. [2023-11-29 04:12:04,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:12:04,371 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1252 transitions. [2023-11-29 04:12:04,376 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 208.66666666666666) internal successors, (1252), 6 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:04,382 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:04,383 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:04,383 INFO L175 Difference]: Start difference. First operand has 244 places, 256 transitions, 683 flow. Second operand 6 states and 1252 transitions. [2023-11-29 04:12:04,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 301 transitions, 1067 flow [2023-11-29 04:12:04,390 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 301 transitions, 1066 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 04:12:04,397 INFO L231 Difference]: Finished difference. Result has 253 places, 273 transitions, 908 flow [2023-11-29 04:12:04,397 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=682, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=908, PETRI_PLACES=253, PETRI_TRANSITIONS=273} [2023-11-29 04:12:04,398 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, -12 predicate places. [2023-11-29 04:12:04,399 INFO L495 AbstractCegarLoop]: Abstraction has has 253 places, 273 transitions, 908 flow [2023-11-29 04:12:04,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 194.66666666666666) internal successors, (1168), 6 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:04,400 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:12:04,400 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] [2023-11-29 04:12:04,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 04:12:04,401 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 04:12:04,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:12:04,401 INFO L85 PathProgramCache]: Analyzing trace with hash 738033631, now seen corresponding path program 1 times [2023-11-29 04:12:04,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:12:04,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116118510] [2023-11-29 04:12:04,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:12:04,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:12:04,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:05,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:12:05,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:12:05,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116118510] [2023-11-29 04:12:05,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116118510] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:12:05,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:12:05,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:12:05,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812470629] [2023-11-29 04:12:05,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:12:05,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:12:05,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:12:05,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:12:05,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:12:05,489 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 271 [2023-11-29 04:12:05,490 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 273 transitions, 908 flow. Second operand has 6 states, 6 states have (on average 204.33333333333334) internal successors, (1226), 6 states have internal predecessors, (1226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:05,491 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:12:05,491 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 271 [2023-11-29 04:12:05,491 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:12:06,496 INFO L124 PetriNetUnfolderBase]: 1891/5014 cut-off events. [2023-11-29 04:12:06,496 INFO L125 PetriNetUnfolderBase]: For 3216/3421 co-relation queries the response was YES. [2023-11-29 04:12:06,512 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11805 conditions, 5014 events. 1891/5014 cut-off events. For 3216/3421 co-relation queries the response was YES. Maximal size of possible extension queue 232. Compared 41338 event pairs, 905 based on Foata normal form. 0/4818 useless extension candidates. Maximal degree in co-relation 10159. Up to 2481 conditions per place. [2023-11-29 04:12:06,530 INFO L140 encePairwiseOnDemand]: 255/271 looper letters, 115 selfloop transitions, 26 changer transitions 0/317 dead transitions. [2023-11-29 04:12:06,530 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 317 transitions, 1378 flow [2023-11-29 04:12:06,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:12:06,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:12:06,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1297 transitions. [2023-11-29 04:12:06,536 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7976629766297663 [2023-11-29 04:12:06,536 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1297 transitions. [2023-11-29 04:12:06,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1297 transitions. [2023-11-29 04:12:06,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:12:06,537 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1297 transitions. [2023-11-29 04:12:06,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 216.16666666666666) internal successors, (1297), 6 states have internal predecessors, (1297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:06,543 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:06,543 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:06,544 INFO L175 Difference]: Start difference. First operand has 253 places, 273 transitions, 908 flow. Second operand 6 states and 1297 transitions. [2023-11-29 04:12:06,544 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 317 transitions, 1378 flow [2023-11-29 04:12:06,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 317 transitions, 1330 flow, removed 24 selfloop flow, removed 0 redundant places. [2023-11-29 04:12:06,557 INFO L231 Difference]: Finished difference. Result has 250 places, 293 transitions, 1092 flow [2023-11-29 04:12:06,557 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=858, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1092, PETRI_PLACES=250, PETRI_TRANSITIONS=293} [2023-11-29 04:12:06,558 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, -15 predicate places. [2023-11-29 04:12:06,558 INFO L495 AbstractCegarLoop]: Abstraction has has 250 places, 293 transitions, 1092 flow [2023-11-29 04:12:06,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 204.33333333333334) internal successors, (1226), 6 states have internal predecessors, (1226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:06,559 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:12:06,560 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] [2023-11-29 04:12:06,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 04:12:06,560 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 04:12:06,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:12:06,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1738180057, now seen corresponding path program 1 times [2023-11-29 04:12:06,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:12:06,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024672625] [2023-11-29 04:12:06,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:12:06,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:12:06,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:07,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:12:07,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:12:07,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024672625] [2023-11-29 04:12:07,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024672625] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:12:07,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:12:07,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:12:07,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463699977] [2023-11-29 04:12:07,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:12:07,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:12:07,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:12:07,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:12:07,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:12:07,542 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 271 [2023-11-29 04:12:07,543 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 293 transitions, 1092 flow. Second operand has 6 states, 6 states have (on average 211.33333333333334) internal successors, (1268), 6 states have internal predecessors, (1268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:07,543 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:12:07,544 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 271 [2023-11-29 04:12:07,544 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:12:08,641 INFO L124 PetriNetUnfolderBase]: 2259/5482 cut-off events. [2023-11-29 04:12:08,641 INFO L125 PetriNetUnfolderBase]: For 5232/5678 co-relation queries the response was YES. [2023-11-29 04:12:08,660 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14664 conditions, 5482 events. 2259/5482 cut-off events. For 5232/5678 co-relation queries the response was YES. Maximal size of possible extension queue 300. Compared 44741 event pairs, 1085 based on Foata normal form. 1/5326 useless extension candidates. Maximal degree in co-relation 12821. Up to 3104 conditions per place. [2023-11-29 04:12:08,681 INFO L140 encePairwiseOnDemand]: 260/271 looper letters, 137 selfloop transitions, 22 changer transitions 0/340 dead transitions. [2023-11-29 04:12:08,681 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 340 transitions, 1642 flow [2023-11-29 04:12:08,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:12:08,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:12:08,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1337 transitions. [2023-11-29 04:12:08,686 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8222632226322263 [2023-11-29 04:12:08,686 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1337 transitions. [2023-11-29 04:12:08,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1337 transitions. [2023-11-29 04:12:08,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:12:08,687 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1337 transitions. [2023-11-29 04:12:08,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 222.83333333333334) internal successors, (1337), 6 states have internal predecessors, (1337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:08,693 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:08,694 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:08,694 INFO L175 Difference]: Start difference. First operand has 250 places, 293 transitions, 1092 flow. Second operand 6 states and 1337 transitions. [2023-11-29 04:12:08,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 340 transitions, 1642 flow [2023-11-29 04:12:08,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 340 transitions, 1642 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 04:12:08,710 INFO L231 Difference]: Finished difference. Result has 260 places, 314 transitions, 1346 flow [2023-11-29 04:12:08,711 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=1092, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1346, PETRI_PLACES=260, PETRI_TRANSITIONS=314} [2023-11-29 04:12:08,711 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, -5 predicate places. [2023-11-29 04:12:08,711 INFO L495 AbstractCegarLoop]: Abstraction has has 260 places, 314 transitions, 1346 flow [2023-11-29 04:12:08,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 211.33333333333334) internal successors, (1268), 6 states have internal predecessors, (1268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:08,712 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:12:08,712 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:12:08,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 04:12:08,712 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 04:12:08,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:12:08,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1184670812, now seen corresponding path program 1 times [2023-11-29 04:12:08,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:12:08,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902400451] [2023-11-29 04:12:08,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:12:08,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:12:08,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:08,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:12:08,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:12:08,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902400451] [2023-11-29 04:12:08,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902400451] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:12:08,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:12:08,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:12:08,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848118704] [2023-11-29 04:12:08,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:12:08,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:12:08,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:12:08,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:12:08,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:12:08,872 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 271 [2023-11-29 04:12:08,874 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 260 places, 314 transitions, 1346 flow. Second operand has 5 states, 5 states have (on average 221.4) internal successors, (1107), 5 states have internal predecessors, (1107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:08,874 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:12:08,874 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 271 [2023-11-29 04:12:08,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:12:09,558 INFO L124 PetriNetUnfolderBase]: 865/2444 cut-off events. [2023-11-29 04:12:09,558 INFO L125 PetriNetUnfolderBase]: For 4617/4621 co-relation queries the response was YES. [2023-11-29 04:12:09,568 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6836 conditions, 2444 events. 865/2444 cut-off events. For 4617/4621 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 16816 event pairs, 34 based on Foata normal form. 36/2451 useless extension candidates. Maximal degree in co-relation 6732. Up to 980 conditions per place. [2023-11-29 04:12:09,578 INFO L140 encePairwiseOnDemand]: 266/271 looper letters, 83 selfloop transitions, 4 changer transitions 3/273 dead transitions. [2023-11-29 04:12:09,578 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 273 transitions, 1238 flow [2023-11-29 04:12:09,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:12:09,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:12:09,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1386 transitions. [2023-11-29 04:12:09,582 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8523985239852399 [2023-11-29 04:12:09,583 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1386 transitions. [2023-11-29 04:12:09,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1386 transitions. [2023-11-29 04:12:09,584 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:12:09,584 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1386 transitions. [2023-11-29 04:12:09,588 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 231.0) internal successors, (1386), 6 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:09,591 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:09,592 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:09,592 INFO L175 Difference]: Start difference. First operand has 260 places, 314 transitions, 1346 flow. Second operand 6 states and 1386 transitions. [2023-11-29 04:12:09,592 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 273 transitions, 1238 flow [2023-11-29 04:12:09,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 273 transitions, 1142 flow, removed 15 selfloop flow, removed 24 redundant places. [2023-11-29 04:12:09,609 INFO L231 Difference]: Finished difference. Result has 239 places, 230 transitions, 733 flow [2023-11-29 04:12:09,610 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=728, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=733, PETRI_PLACES=239, PETRI_TRANSITIONS=230} [2023-11-29 04:12:09,610 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, -26 predicate places. [2023-11-29 04:12:09,611 INFO L495 AbstractCegarLoop]: Abstraction has has 239 places, 230 transitions, 733 flow [2023-11-29 04:12:09,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 221.4) internal successors, (1107), 5 states have internal predecessors, (1107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:09,612 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:12:09,612 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:12:09,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 04:12:09,612 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 04:12:09,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:12:09,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1673930131, now seen corresponding path program 1 times [2023-11-29 04:12:09,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:12:09,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809032115] [2023-11-29 04:12:09,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:12:09,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:12:09,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:10,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:12:10,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:12:10,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809032115] [2023-11-29 04:12:10,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809032115] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:12:10,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:12:10,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:12:10,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601282072] [2023-11-29 04:12:10,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:12:10,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:12:10,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:12:10,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:12:10,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:12:10,553 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 271 [2023-11-29 04:12:10,555 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 230 transitions, 733 flow. Second operand has 6 states, 6 states have (on average 204.33333333333334) internal successors, (1226), 6 states have internal predecessors, (1226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:10,555 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:12:10,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 271 [2023-11-29 04:12:10,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:12:10,952 INFO L124 PetriNetUnfolderBase]: 565/1741 cut-off events. [2023-11-29 04:12:10,952 INFO L125 PetriNetUnfolderBase]: For 2832/2836 co-relation queries the response was YES. [2023-11-29 04:12:10,960 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4815 conditions, 1741 events. 565/1741 cut-off events. For 2832/2836 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 10890 event pairs, 398 based on Foata normal form. 2/1704 useless extension candidates. Maximal degree in co-relation 4635. Up to 881 conditions per place. [2023-11-29 04:12:10,965 INFO L140 encePairwiseOnDemand]: 260/271 looper letters, 43 selfloop transitions, 0 changer transitions 79/229 dead transitions. [2023-11-29 04:12:10,965 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 229 transitions, 850 flow [2023-11-29 04:12:10,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:12:10,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:12:10,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1251 transitions. [2023-11-29 04:12:10,970 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7693726937269373 [2023-11-29 04:12:10,970 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1251 transitions. [2023-11-29 04:12:10,970 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1251 transitions. [2023-11-29 04:12:10,971 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:12:10,971 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1251 transitions. [2023-11-29 04:12:10,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 208.5) internal successors, (1251), 6 states have internal predecessors, (1251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:10,978 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:10,979 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:10,979 INFO L175 Difference]: Start difference. First operand has 239 places, 230 transitions, 733 flow. Second operand 6 states and 1251 transitions. [2023-11-29 04:12:10,979 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 229 transitions, 850 flow [2023-11-29 04:12:10,985 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 229 transitions, 825 flow, removed 3 selfloop flow, removed 7 redundant places. [2023-11-29 04:12:10,987 INFO L231 Difference]: Finished difference. Result has 232 places, 150 transitions, 515 flow [2023-11-29 04:12:10,988 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=704, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=515, PETRI_PLACES=232, PETRI_TRANSITIONS=150} [2023-11-29 04:12:10,988 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, -33 predicate places. [2023-11-29 04:12:10,989 INFO L495 AbstractCegarLoop]: Abstraction has has 232 places, 150 transitions, 515 flow [2023-11-29 04:12:10,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 204.33333333333334) internal successors, (1226), 6 states have internal predecessors, (1226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:10,990 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:12:10,990 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:12:10,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 04:12:10,990 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 04:12:10,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:12:10,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1286367242, now seen corresponding path program 1 times [2023-11-29 04:12:10,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:12:10,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874364054] [2023-11-29 04:12:10,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:12:10,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:12:11,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:11,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:12:11,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:12:11,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874364054] [2023-11-29 04:12:11,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874364054] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:12:11,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:12:11,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-11-29 04:12:11,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982307049] [2023-11-29 04:12:11,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:12:11,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-29 04:12:11,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:12:11,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-29 04:12:11,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2023-11-29 04:12:16,195 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 04:12:16,198 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 150 transitions, 515 flow. Second operand has 19 states, 19 states have (on average 188.05263157894737) internal successors, (3573), 19 states have internal predecessors, (3573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:16,198 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:12:16,198 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 04:12:16,198 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:12:19,906 INFO L124 PetriNetUnfolderBase]: 2595/5490 cut-off events. [2023-11-29 04:12:19,906 INFO L125 PetriNetUnfolderBase]: For 6793/6793 co-relation queries the response was YES. [2023-11-29 04:12:19,920 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15272 conditions, 5490 events. 2595/5490 cut-off events. For 6793/6793 co-relation queries the response was YES. Maximal size of possible extension queue 209. Compared 40040 event pairs, 135 based on Foata normal form. 24/5494 useless extension candidates. Maximal degree in co-relation 15258. Up to 1219 conditions per place. [2023-11-29 04:12:19,939 INFO L140 encePairwiseOnDemand]: 247/271 looper letters, 390 selfloop transitions, 117 changer transitions 0/588 dead transitions. [2023-11-29 04:12:19,939 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 588 transitions, 4095 flow [2023-11-29 04:12:19,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-11-29 04:12:19,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2023-11-29 04:12:19,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 8948 transitions. [2023-11-29 04:12:19,968 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7177923953152575 [2023-11-29 04:12:19,968 INFO L72 ComplementDD]: Start complementDD. Operand 46 states and 8948 transitions. [2023-11-29 04:12:19,968 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 8948 transitions. [2023-11-29 04:12:19,975 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:12:19,975 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 46 states and 8948 transitions. [2023-11-29 04:12:19,999 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 47 states, 46 states have (on average 194.52173913043478) internal successors, (8948), 46 states have internal predecessors, (8948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:20,023 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 47 states, 47 states have (on average 271.0) internal successors, (12737), 47 states have internal predecessors, (12737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:20,028 INFO L81 ComplementDD]: Finished complementDD. Result has 47 states, 47 states have (on average 271.0) internal successors, (12737), 47 states have internal predecessors, (12737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:20,028 INFO L175 Difference]: Start difference. First operand has 232 places, 150 transitions, 515 flow. Second operand 46 states and 8948 transitions. [2023-11-29 04:12:20,028 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 588 transitions, 4095 flow [2023-11-29 04:12:20,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 588 transitions, 3458 flow, removed 317 selfloop flow, removed 5 redundant places. [2023-11-29 04:12:20,072 INFO L231 Difference]: Finished difference. Result has 208 places, 252 transitions, 1405 flow [2023-11-29 04:12:20,073 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=450, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=46, PETRI_FLOW=1405, PETRI_PLACES=208, PETRI_TRANSITIONS=252} [2023-11-29 04:12:20,074 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, -57 predicate places. [2023-11-29 04:12:20,074 INFO L495 AbstractCegarLoop]: Abstraction has has 208 places, 252 transitions, 1405 flow [2023-11-29 04:12:20,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 188.05263157894737) internal successors, (3573), 19 states have internal predecessors, (3573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:20,075 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:12:20,076 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:12:20,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 04:12:20,076 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 04:12:20,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:12:20,076 INFO L85 PathProgramCache]: Analyzing trace with hash 39359504, now seen corresponding path program 2 times [2023-11-29 04:12:20,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:12:20,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858732355] [2023-11-29 04:12:20,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:12:20,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:12:20,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:21,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:12:21,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:12:21,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858732355] [2023-11-29 04:12:21,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858732355] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:12:21,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:12:21,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 04:12:21,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794527087] [2023-11-29 04:12:21,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:12:21,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 04:12:21,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:12:21,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 04:12:21,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2023-11-29 04:12:25,560 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 04:12:25,562 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 252 transitions, 1405 flow. Second operand has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:25,562 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:12:25,563 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 04:12:25,563 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:12:28,892 INFO L124 PetriNetUnfolderBase]: 2895/6281 cut-off events. [2023-11-29 04:12:28,892 INFO L125 PetriNetUnfolderBase]: For 15076/15101 co-relation queries the response was YES. [2023-11-29 04:12:28,916 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20125 conditions, 6281 events. 2895/6281 cut-off events. For 15076/15101 co-relation queries the response was YES. Maximal size of possible extension queue 234. Compared 47532 event pairs, 148 based on Foata normal form. 41/6286 useless extension candidates. Maximal degree in co-relation 20098. Up to 2316 conditions per place. [2023-11-29 04:12:28,939 INFO L140 encePairwiseOnDemand]: 245/271 looper letters, 343 selfloop transitions, 146 changer transitions 0/570 dead transitions. [2023-11-29 04:12:28,939 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 570 transitions, 4886 flow [2023-11-29 04:12:28,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-11-29 04:12:28,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2023-11-29 04:12:28,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 7777 transitions. [2023-11-29 04:12:28,953 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7174354243542436 [2023-11-29 04:12:28,953 INFO L72 ComplementDD]: Start complementDD. Operand 40 states and 7777 transitions. [2023-11-29 04:12:28,953 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 7777 transitions. [2023-11-29 04:12:28,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:12:28,957 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 40 states and 7777 transitions. [2023-11-29 04:12:28,973 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 41 states, 40 states have (on average 194.425) internal successors, (7777), 40 states have internal predecessors, (7777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:28,992 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 41 states, 41 states have (on average 271.0) internal successors, (11111), 41 states have internal predecessors, (11111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:28,995 INFO L81 ComplementDD]: Finished complementDD. Result has 41 states, 41 states have (on average 271.0) internal successors, (11111), 41 states have internal predecessors, (11111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:28,995 INFO L175 Difference]: Start difference. First operand has 208 places, 252 transitions, 1405 flow. Second operand 40 states and 7777 transitions. [2023-11-29 04:12:28,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 570 transitions, 4886 flow [2023-11-29 04:12:29,076 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 570 transitions, 4785 flow, removed 1 selfloop flow, removed 14 redundant places. [2023-11-29 04:12:29,084 INFO L231 Difference]: Finished difference. Result has 247 places, 311 transitions, 2590 flow [2023-11-29 04:12:29,085 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=1326, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=89, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=40, PETRI_FLOW=2590, PETRI_PLACES=247, PETRI_TRANSITIONS=311} [2023-11-29 04:12:29,085 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, -18 predicate places. [2023-11-29 04:12:29,085 INFO L495 AbstractCegarLoop]: Abstraction has has 247 places, 311 transitions, 2590 flow [2023-11-29 04:12:29,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:29,086 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:12:29,086 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:12:29,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 04:12:29,087 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 04:12:29,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:12:29,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1913451742, now seen corresponding path program 3 times [2023-11-29 04:12:29,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:12:29,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306274603] [2023-11-29 04:12:29,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:12:29,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:12:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:30,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:12:30,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:12:30,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306274603] [2023-11-29 04:12:30,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306274603] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:12:30,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:12:30,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 04:12:30,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319001843] [2023-11-29 04:12:30,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:12:30,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 04:12:30,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:12:30,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 04:12:30,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2023-11-29 04:12:34,847 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 04:12:34,856 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 311 transitions, 2590 flow. Second operand has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:34,856 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:12:34,857 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 04:12:34,857 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:12:39,392 INFO L124 PetriNetUnfolderBase]: 3461/7421 cut-off events. [2023-11-29 04:12:39,392 INFO L125 PetriNetUnfolderBase]: For 31117/31152 co-relation queries the response was YES. [2023-11-29 04:12:39,426 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27595 conditions, 7421 events. 3461/7421 cut-off events. For 31117/31152 co-relation queries the response was YES. Maximal size of possible extension queue 299. Compared 57661 event pairs, 108 based on Foata normal form. 48/7408 useless extension candidates. Maximal degree in co-relation 27554. Up to 2430 conditions per place. [2023-11-29 04:12:39,453 INFO L140 encePairwiseOnDemand]: 245/271 looper letters, 381 selfloop transitions, 207 changer transitions 0/669 dead transitions. [2023-11-29 04:12:39,453 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 669 transitions, 7269 flow [2023-11-29 04:12:39,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-11-29 04:12:39,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2023-11-29 04:12:39,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 8183 transitions. [2023-11-29 04:12:39,463 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7189421894218943 [2023-11-29 04:12:39,463 INFO L72 ComplementDD]: Start complementDD. Operand 42 states and 8183 transitions. [2023-11-29 04:12:39,463 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 8183 transitions. [2023-11-29 04:12:39,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:12:39,466 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 42 states and 8183 transitions. [2023-11-29 04:12:39,475 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 43 states, 42 states have (on average 194.83333333333334) internal successors, (8183), 42 states have internal predecessors, (8183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:39,486 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 43 states, 43 states have (on average 271.0) internal successors, (11653), 43 states have internal predecessors, (11653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:39,488 INFO L81 ComplementDD]: Finished complementDD. Result has 43 states, 43 states have (on average 271.0) internal successors, (11653), 43 states have internal predecessors, (11653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:39,488 INFO L175 Difference]: Start difference. First operand has 247 places, 311 transitions, 2590 flow. Second operand 42 states and 8183 transitions. [2023-11-29 04:12:39,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 669 transitions, 7269 flow [2023-11-29 04:12:39,685 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 669 transitions, 6864 flow, removed 153 selfloop flow, removed 25 redundant places. [2023-11-29 04:12:39,695 INFO L231 Difference]: Finished difference. Result has 272 places, 382 transitions, 3984 flow [2023-11-29 04:12:39,696 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=2287, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=311, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=140, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=42, PETRI_FLOW=3984, PETRI_PLACES=272, PETRI_TRANSITIONS=382} [2023-11-29 04:12:39,696 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 7 predicate places. [2023-11-29 04:12:39,697 INFO L495 AbstractCegarLoop]: Abstraction has has 272 places, 382 transitions, 3984 flow [2023-11-29 04:12:39,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:39,698 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:12:39,698 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:12:39,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 04:12:39,698 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 04:12:39,699 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:12:39,699 INFO L85 PathProgramCache]: Analyzing trace with hash -636048570, now seen corresponding path program 4 times [2023-11-29 04:12:39,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:12:39,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275841925] [2023-11-29 04:12:39,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:12:39,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:12:39,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:40,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:12:40,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:12:40,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275841925] [2023-11-29 04:12:40,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275841925] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:12:40,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:12:40,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 04:12:40,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907721866] [2023-11-29 04:12:40,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:12:40,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 04:12:40,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:12:40,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 04:12:40,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2023-11-29 04:12:45,493 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 04:12:45,496 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 382 transitions, 3984 flow. Second operand has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:45,496 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:12:45,496 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 04:12:45,496 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:12:49,936 INFO L124 PetriNetUnfolderBase]: 3678/8094 cut-off events. [2023-11-29 04:12:49,937 INFO L125 PetriNetUnfolderBase]: For 52533/52570 co-relation queries the response was YES. [2023-11-29 04:12:49,989 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33669 conditions, 8094 events. 3678/8094 cut-off events. For 52533/52570 co-relation queries the response was YES. Maximal size of possible extension queue 329. Compared 65184 event pairs, 257 based on Foata normal form. 47/8063 useless extension candidates. Maximal degree in co-relation 33619. Up to 3127 conditions per place. [2023-11-29 04:12:50,023 INFO L140 encePairwiseOnDemand]: 245/271 looper letters, 389 selfloop transitions, 211 changer transitions 0/681 dead transitions. [2023-11-29 04:12:50,024 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 681 transitions, 8432 flow [2023-11-29 04:12:50,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-11-29 04:12:50,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2023-11-29 04:12:50,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 8167 transitions. [2023-11-29 04:12:50,032 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7175364610788965 [2023-11-29 04:12:50,032 INFO L72 ComplementDD]: Start complementDD. Operand 42 states and 8167 transitions. [2023-11-29 04:12:50,032 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 8167 transitions. [2023-11-29 04:12:50,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:12:50,035 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 42 states and 8167 transitions. [2023-11-29 04:12:50,048 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 43 states, 42 states have (on average 194.45238095238096) internal successors, (8167), 42 states have internal predecessors, (8167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:50,145 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 43 states, 43 states have (on average 271.0) internal successors, (11653), 43 states have internal predecessors, (11653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:50,146 INFO L81 ComplementDD]: Finished complementDD. Result has 43 states, 43 states have (on average 271.0) internal successors, (11653), 43 states have internal predecessors, (11653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:50,146 INFO L175 Difference]: Start difference. First operand has 272 places, 382 transitions, 3984 flow. Second operand 42 states and 8167 transitions. [2023-11-29 04:12:50,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 681 transitions, 8432 flow [2023-11-29 04:12:50,392 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 681 transitions, 7688 flow, removed 267 selfloop flow, removed 32 redundant places. [2023-11-29 04:12:50,401 INFO L231 Difference]: Finished difference. Result has 286 places, 413 transitions, 4541 flow [2023-11-29 04:12:50,402 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=3466, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=182, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=42, PETRI_FLOW=4541, PETRI_PLACES=286, PETRI_TRANSITIONS=413} [2023-11-29 04:12:50,402 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 21 predicate places. [2023-11-29 04:12:50,402 INFO L495 AbstractCegarLoop]: Abstraction has has 286 places, 413 transitions, 4541 flow [2023-11-29 04:12:50,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:50,403 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:12:50,403 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:12:50,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 04:12:50,403 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 04:12:50,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:12:50,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1581425260, now seen corresponding path program 5 times [2023-11-29 04:12:50,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:12:50,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289531930] [2023-11-29 04:12:50,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:12:50,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:12:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:12:51,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:12:51,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:12:51,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289531930] [2023-11-29 04:12:51,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289531930] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:12:51,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:12:51,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 04:12:51,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247308048] [2023-11-29 04:12:51,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:12:51,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 04:12:51,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:12:51,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 04:12:51,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2023-11-29 04:12:55,632 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 04:12:55,635 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 413 transitions, 4541 flow. Second operand has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:12:55,635 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:12:55,635 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 04:12:55,635 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:13:00,473 INFO L124 PetriNetUnfolderBase]: 3693/8274 cut-off events. [2023-11-29 04:13:00,473 INFO L125 PetriNetUnfolderBase]: For 54514/54547 co-relation queries the response was YES. [2023-11-29 04:13:00,523 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34826 conditions, 8274 events. 3693/8274 cut-off events. For 54514/54547 co-relation queries the response was YES. Maximal size of possible extension queue 335. Compared 67647 event pairs, 76 based on Foata normal form. 54/8242 useless extension candidates. Maximal degree in co-relation 34774. Up to 2891 conditions per place. [2023-11-29 04:13:00,556 INFO L140 encePairwiseOnDemand]: 245/271 looper letters, 399 selfloop transitions, 231 changer transitions 0/711 dead transitions. [2023-11-29 04:13:00,556 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 327 places, 711 transitions, 8817 flow [2023-11-29 04:13:00,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-11-29 04:13:00,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2023-11-29 04:13:00,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 8175 transitions. [2023-11-29 04:13:00,567 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7182393252503954 [2023-11-29 04:13:00,567 INFO L72 ComplementDD]: Start complementDD. Operand 42 states and 8175 transitions. [2023-11-29 04:13:00,567 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 8175 transitions. [2023-11-29 04:13:00,571 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:13:00,571 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 42 states and 8175 transitions. [2023-11-29 04:13:00,585 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 43 states, 42 states have (on average 194.64285714285714) internal successors, (8175), 42 states have internal predecessors, (8175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:13:00,597 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 43 states, 43 states have (on average 271.0) internal successors, (11653), 43 states have internal predecessors, (11653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:13:00,599 INFO L81 ComplementDD]: Finished complementDD. Result has 43 states, 43 states have (on average 271.0) internal successors, (11653), 43 states have internal predecessors, (11653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:13:00,599 INFO L175 Difference]: Start difference. First operand has 286 places, 413 transitions, 4541 flow. Second operand 42 states and 8175 transitions. [2023-11-29 04:13:00,599 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 327 places, 711 transitions, 8817 flow [2023-11-29 04:13:00,882 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 711 transitions, 8454 flow, removed 54 selfloop flow, removed 34 redundant places. [2023-11-29 04:13:00,892 INFO L231 Difference]: Finished difference. Result has 300 places, 437 transitions, 5220 flow [2023-11-29 04:13:00,893 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=4197, PETRI_DIFFERENCE_MINUEND_PLACES=252, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=413, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=209, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=42, PETRI_FLOW=5220, PETRI_PLACES=300, PETRI_TRANSITIONS=437} [2023-11-29 04:13:00,894 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 35 predicate places. [2023-11-29 04:13:00,894 INFO L495 AbstractCegarLoop]: Abstraction has has 300 places, 437 transitions, 5220 flow [2023-11-29 04:13:00,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:13:00,894 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:13:00,894 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:13:00,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 04:13:00,895 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 04:13:00,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:13:00,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1989859642, now seen corresponding path program 6 times [2023-11-29 04:13:00,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:13:00,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233508948] [2023-11-29 04:13:00,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:13:00,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:13:00,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:13:01,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:13:01,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:13:01,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233508948] [2023-11-29 04:13:01,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233508948] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:13:01,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:13:01,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 04:13:01,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516218397] [2023-11-29 04:13:01,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:13:01,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 04:13:01,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:13:01,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 04:13:01,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2023-11-29 04:13:07,032 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 04:13:07,035 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 437 transitions, 5220 flow. Second operand has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:13:07,035 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:13:07,035 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 04:13:07,035 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:13:12,275 INFO L124 PetriNetUnfolderBase]: 4457/9670 cut-off events. [2023-11-29 04:13:12,275 INFO L125 PetriNetUnfolderBase]: For 79100/79161 co-relation queries the response was YES. [2023-11-29 04:13:12,336 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44583 conditions, 9670 events. 4457/9670 cut-off events. For 79100/79161 co-relation queries the response was YES. Maximal size of possible extension queue 429. Compared 80838 event pairs, 1010 based on Foata normal form. 61/9617 useless extension candidates. Maximal degree in co-relation 44524. Up to 4314 conditions per place. [2023-11-29 04:13:12,375 INFO L140 encePairwiseOnDemand]: 245/271 looper letters, 460 selfloop transitions, 233 changer transitions 0/774 dead transitions. [2023-11-29 04:13:12,375 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 774 transitions, 10783 flow [2023-11-29 04:13:12,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-11-29 04:13:12,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2023-11-29 04:13:12,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 7209 transitions. [2023-11-29 04:13:12,382 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7189588112097337 [2023-11-29 04:13:12,382 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 7209 transitions. [2023-11-29 04:13:12,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 7209 transitions. [2023-11-29 04:13:12,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:13:12,384 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 7209 transitions. [2023-11-29 04:13:12,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 194.83783783783784) internal successors, (7209), 37 states have internal predecessors, (7209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:13:12,397 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 271.0) internal successors, (10298), 38 states have internal predecessors, (10298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:13:12,398 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 271.0) internal successors, (10298), 38 states have internal predecessors, (10298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:13:12,398 INFO L175 Difference]: Start difference. First operand has 300 places, 437 transitions, 5220 flow. Second operand 37 states and 7209 transitions. [2023-11-29 04:13:12,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 774 transitions, 10783 flow [2023-11-29 04:13:12,967 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 774 transitions, 10428 flow, removed 58 selfloop flow, removed 31 redundant places. [2023-11-29 04:13:12,980 INFO L231 Difference]: Finished difference. Result has 318 places, 573 transitions, 8365 flow [2023-11-29 04:13:12,981 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=4893, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=133, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=8365, PETRI_PLACES=318, PETRI_TRANSITIONS=573} [2023-11-29 04:13:12,982 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 53 predicate places. [2023-11-29 04:13:12,982 INFO L495 AbstractCegarLoop]: Abstraction has has 318 places, 573 transitions, 8365 flow [2023-11-29 04:13:12,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:13:12,983 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:13:12,983 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:13:12,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 04:13:12,983 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 04:13:12,983 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:13:12,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1598540466, now seen corresponding path program 7 times [2023-11-29 04:13:12,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:13:12,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009881240] [2023-11-29 04:13:12,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:13:12,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:13:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:13:13,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:13:13,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:13:13,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009881240] [2023-11-29 04:13:13,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009881240] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:13:13,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:13:13,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 04:13:13,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42214068] [2023-11-29 04:13:13,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:13:13,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 04:13:13,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:13:13,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 04:13:13,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2023-11-29 04:13:18,074 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 04:13:18,076 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 573 transitions, 8365 flow. Second operand has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:13:18,076 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:13:18,076 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 04:13:18,076 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:13:23,254 INFO L124 PetriNetUnfolderBase]: 4735/10688 cut-off events. [2023-11-29 04:13:23,254 INFO L125 PetriNetUnfolderBase]: For 122429/122480 co-relation queries the response was YES. [2023-11-29 04:13:23,341 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52938 conditions, 10688 events. 4735/10688 cut-off events. For 122429/122480 co-relation queries the response was YES. Maximal size of possible extension queue 457. Compared 93098 event pairs, 220 based on Foata normal form. 66/10637 useless extension candidates. Maximal degree in co-relation 52866. Up to 5227 conditions per place. [2023-11-29 04:13:23,389 INFO L140 encePairwiseOnDemand]: 245/271 looper letters, 488 selfloop transitions, 225 changer transitions 0/794 dead transitions. [2023-11-29 04:13:23,389 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 794 transitions, 12730 flow [2023-11-29 04:13:23,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-29 04:13:23,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2023-11-29 04:13:23,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 6029 transitions. [2023-11-29 04:13:23,397 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7176526603975717 [2023-11-29 04:13:23,397 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 6029 transitions. [2023-11-29 04:13:23,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 6029 transitions. [2023-11-29 04:13:23,399 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:13:23,399 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 6029 transitions. [2023-11-29 04:13:23,408 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 32 states, 31 states have (on average 194.48387096774192) internal successors, (6029), 31 states have internal predecessors, (6029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:13:23,416 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 32 states, 32 states have (on average 271.0) internal successors, (8672), 32 states have internal predecessors, (8672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:13:23,417 INFO L81 ComplementDD]: Finished complementDD. Result has 32 states, 32 states have (on average 271.0) internal successors, (8672), 32 states have internal predecessors, (8672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:13:23,418 INFO L175 Difference]: Start difference. First operand has 318 places, 573 transitions, 8365 flow. Second operand 31 states and 6029 transitions. [2023-11-29 04:13:23,418 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 794 transitions, 12730 flow [2023-11-29 04:13:24,377 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 794 transitions, 11590 flow, removed 522 selfloop flow, removed 22 redundant places. [2023-11-29 04:13:24,391 INFO L231 Difference]: Finished difference. Result has 335 places, 635 transitions, 9503 flow [2023-11-29 04:13:24,392 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=7543, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=573, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=169, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=9503, PETRI_PLACES=335, PETRI_TRANSITIONS=635} [2023-11-29 04:13:24,392 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 70 predicate places. [2023-11-29 04:13:24,393 INFO L495 AbstractCegarLoop]: Abstraction has has 335 places, 635 transitions, 9503 flow [2023-11-29 04:13:24,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:13:24,393 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:13:24,393 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:13:24,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 04:13:24,394 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 04:13:24,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:13:24,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1886195984, now seen corresponding path program 8 times [2023-11-29 04:13:24,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:13:24,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132159368] [2023-11-29 04:13:24,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:13:24,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:13:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:13:25,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:13:25,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:13:25,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132159368] [2023-11-29 04:13:25,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132159368] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:13:25,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:13:25,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 04:13:25,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142839202] [2023-11-29 04:13:25,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:13:25,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 04:13:25,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:13:25,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 04:13:25,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2023-11-29 04:13:29,404 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 04:13:29,407 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 335 places, 635 transitions, 9503 flow. Second operand has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:13:29,407 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:13:29,407 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 04:13:29,407 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:13:35,272 INFO L124 PetriNetUnfolderBase]: 5046/11464 cut-off events. [2023-11-29 04:13:35,273 INFO L125 PetriNetUnfolderBase]: For 143347/143414 co-relation queries the response was YES. [2023-11-29 04:13:35,377 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59076 conditions, 11464 events. 5046/11464 cut-off events. For 143347/143414 co-relation queries the response was YES. Maximal size of possible extension queue 493. Compared 101788 event pairs, 268 based on Foata normal form. 64/11395 useless extension candidates. Maximal degree in co-relation 58998. Up to 5304 conditions per place. [2023-11-29 04:13:35,429 INFO L140 encePairwiseOnDemand]: 245/271 looper letters, 486 selfloop transitions, 305 changer transitions 0/872 dead transitions. [2023-11-29 04:13:35,429 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 872 transitions, 14055 flow [2023-11-29 04:13:35,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-11-29 04:13:35,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2023-11-29 04:13:35,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 6811 transitions. [2023-11-29 04:13:35,436 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7180811808118082 [2023-11-29 04:13:35,436 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 6811 transitions. [2023-11-29 04:13:35,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 6811 transitions. [2023-11-29 04:13:35,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:13:35,437 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 6811 transitions. [2023-11-29 04:13:35,442 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 194.6) internal successors, (6811), 35 states have internal predecessors, (6811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:13:35,448 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 271.0) internal successors, (9756), 36 states have internal predecessors, (9756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:13:35,449 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 271.0) internal successors, (9756), 36 states have internal predecessors, (9756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:13:35,449 INFO L175 Difference]: Start difference. First operand has 335 places, 635 transitions, 9503 flow. Second operand 35 states and 6811 transitions. [2023-11-29 04:13:35,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 872 transitions, 14055 flow [2023-11-29 04:13:36,488 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 872 transitions, 13673 flow, removed 127 selfloop flow, removed 20 redundant places. [2023-11-29 04:13:36,504 INFO L231 Difference]: Finished difference. Result has 359 places, 702 transitions, 11595 flow [2023-11-29 04:13:36,505 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=9225, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=635, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=240, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=368, PETRI_DIFFERENCE_SUBTRAHEND_STATES=35, PETRI_FLOW=11595, PETRI_PLACES=359, PETRI_TRANSITIONS=702} [2023-11-29 04:13:36,505 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 94 predicate places. [2023-11-29 04:13:36,505 INFO L495 AbstractCegarLoop]: Abstraction has has 359 places, 702 transitions, 11595 flow [2023-11-29 04:13:36,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:13:36,506 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:13:36,506 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:13:36,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 04:13:36,506 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 04:13:36,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:13:36,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1579907650, now seen corresponding path program 9 times [2023-11-29 04:13:36,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:13:36,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994080825] [2023-11-29 04:13:36,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:13:36,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:13:36,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:13:37,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:13:37,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:13:37,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994080825] [2023-11-29 04:13:37,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994080825] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:13:37,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:13:37,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 04:13:37,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308111154] [2023-11-29 04:13:37,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:13:37,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 04:13:37,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:13:37,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 04:13:37,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2023-11-29 04:13:42,915 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 04:13:42,918 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 702 transitions, 11595 flow. Second operand has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:13:42,918 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:13:42,918 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 04:13:42,918 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:13:50,239 INFO L124 PetriNetUnfolderBase]: 5503/12609 cut-off events. [2023-11-29 04:13:50,239 INFO L125 PetriNetUnfolderBase]: For 188559/188638 co-relation queries the response was YES. [2023-11-29 04:13:50,371 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68860 conditions, 12609 events. 5503/12609 cut-off events. For 188559/188638 co-relation queries the response was YES. Maximal size of possible extension queue 551. Compared 115180 event pairs, 548 based on Foata normal form. 79/12532 useless extension candidates. Maximal degree in co-relation 68772. Up to 5627 conditions per place. [2023-11-29 04:13:50,432 INFO L140 encePairwiseOnDemand]: 245/271 looper letters, 551 selfloop transitions, 315 changer transitions 0/947 dead transitions. [2023-11-29 04:13:50,432 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 947 transitions, 16526 flow [2023-11-29 04:13:50,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-11-29 04:13:50,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2023-11-29 04:13:50,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 7008 transitions. [2023-11-29 04:13:50,439 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7183271832718328 [2023-11-29 04:13:50,439 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 7008 transitions. [2023-11-29 04:13:50,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 7008 transitions. [2023-11-29 04:13:50,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:13:50,441 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 7008 transitions. [2023-11-29 04:13:50,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 37 states, 36 states have (on average 194.66666666666666) internal successors, (7008), 36 states have internal predecessors, (7008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:13:50,454 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 37 states, 37 states have (on average 271.0) internal successors, (10027), 37 states have internal predecessors, (10027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:13:50,456 INFO L81 ComplementDD]: Finished complementDD. Result has 37 states, 37 states have (on average 271.0) internal successors, (10027), 37 states have internal predecessors, (10027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:13:50,456 INFO L175 Difference]: Start difference. First operand has 359 places, 702 transitions, 11595 flow. Second operand 36 states and 7008 transitions. [2023-11-29 04:13:50,456 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 947 transitions, 16526 flow [2023-11-29 04:13:51,965 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 947 transitions, 16128 flow, removed 114 selfloop flow, removed 22 redundant places. [2023-11-29 04:13:51,986 INFO L231 Difference]: Finished difference. Result has 382 places, 761 transitions, 13648 flow [2023-11-29 04:13:51,987 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=11228, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=702, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=265, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=418, PETRI_DIFFERENCE_SUBTRAHEND_STATES=36, PETRI_FLOW=13648, PETRI_PLACES=382, PETRI_TRANSITIONS=761} [2023-11-29 04:13:51,988 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 117 predicate places. [2023-11-29 04:13:51,988 INFO L495 AbstractCegarLoop]: Abstraction has has 382 places, 761 transitions, 13648 flow [2023-11-29 04:13:51,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:13:51,988 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:13:51,989 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:13:51,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 04:13:51,989 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 04:13:51,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:13:51,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1644463974, now seen corresponding path program 10 times [2023-11-29 04:13:51,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:13:51,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461717616] [2023-11-29 04:13:51,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:13:51,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:13:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:13:53,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:13:53,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:13:53,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461717616] [2023-11-29 04:13:53,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461717616] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:13:53,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:13:53,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 04:13:53,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25907249] [2023-11-29 04:13:53,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:13:53,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 04:13:53,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:13:53,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 04:13:53,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-11-29 04:13:58,683 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 04:13:58,684 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 761 transitions, 13648 flow. Second operand has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:13:58,685 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:13:58,685 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 04:13:58,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:14:06,740 INFO L124 PetriNetUnfolderBase]: 5720/13076 cut-off events. [2023-11-29 04:14:06,740 INFO L125 PetriNetUnfolderBase]: For 230942/231019 co-relation queries the response was YES. [2023-11-29 04:14:06,896 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75197 conditions, 13076 events. 5720/13076 cut-off events. For 230942/231019 co-relation queries the response was YES. Maximal size of possible extension queue 583. Compared 119849 event pairs, 252 based on Foata normal form. 90/13007 useless extension candidates. Maximal degree in co-relation 75099. Up to 5673 conditions per place. [2023-11-29 04:14:06,961 INFO L140 encePairwiseOnDemand]: 245/271 looper letters, 532 selfloop transitions, 377 changer transitions 0/990 dead transitions. [2023-11-29 04:14:06,961 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 418 places, 990 transitions, 18237 flow [2023-11-29 04:14:06,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-11-29 04:14:06,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2023-11-29 04:14:06,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 7210 transitions. [2023-11-29 04:14:06,970 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7190585419367708 [2023-11-29 04:14:06,970 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 7210 transitions. [2023-11-29 04:14:06,970 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 7210 transitions. [2023-11-29 04:14:06,972 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:14:06,972 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 7210 transitions. [2023-11-29 04:14:06,980 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 194.86486486486487) internal successors, (7210), 37 states have internal predecessors, (7210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:14:06,987 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 271.0) internal successors, (10298), 38 states have internal predecessors, (10298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:14:06,989 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 271.0) internal successors, (10298), 38 states have internal predecessors, (10298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:14:06,989 INFO L175 Difference]: Start difference. First operand has 382 places, 761 transitions, 13648 flow. Second operand 37 states and 7210 transitions. [2023-11-29 04:14:06,989 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 418 places, 990 transitions, 18237 flow [2023-11-29 04:14:09,258 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 397 places, 990 transitions, 17874 flow, removed 110 selfloop flow, removed 21 redundant places. [2023-11-29 04:14:09,278 INFO L231 Difference]: Finished difference. Result has 404 places, 799 transitions, 15265 flow [2023-11-29 04:14:09,278 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=13285, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=761, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=341, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=405, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=15265, PETRI_PLACES=404, PETRI_TRANSITIONS=799} [2023-11-29 04:14:09,279 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 139 predicate places. [2023-11-29 04:14:09,279 INFO L495 AbstractCegarLoop]: Abstraction has has 404 places, 799 transitions, 15265 flow [2023-11-29 04:14:09,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:14:09,280 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:14:09,280 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:14:09,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 04:14:09,280 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 04:14:09,280 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:14:09,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1070332776, now seen corresponding path program 11 times [2023-11-29 04:14:09,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:14:09,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573444571] [2023-11-29 04:14:09,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:14:09,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:14:09,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:14:10,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:14:10,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:14:10,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573444571] [2023-11-29 04:14:10,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573444571] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:14:10,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:14:10,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 04:14:10,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844146083] [2023-11-29 04:14:10,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:14:10,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 04:14:10,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:14:10,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 04:14:10,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2023-11-29 04:14:14,315 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 04:14:14,317 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 799 transitions, 15265 flow. Second operand has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:14:14,317 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:14:14,317 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 04:14:14,317 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:14:21,697 INFO L124 PetriNetUnfolderBase]: 6047/14005 cut-off events. [2023-11-29 04:14:21,698 INFO L125 PetriNetUnfolderBase]: For 284139/284216 co-relation queries the response was YES. [2023-11-29 04:14:21,898 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83695 conditions, 14005 events. 6047/14005 cut-off events. For 284139/284216 co-relation queries the response was YES. Maximal size of possible extension queue 627. Compared 131455 event pairs, 288 based on Foata normal form. 80/13905 useless extension candidates. Maximal degree in co-relation 83590. Up to 6540 conditions per place. [2023-11-29 04:14:21,970 INFO L140 encePairwiseOnDemand]: 245/271 looper letters, 616 selfloop transitions, 343 changer transitions 0/1040 dead transitions. [2023-11-29 04:14:21,970 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 438 places, 1040 transitions, 20738 flow [2023-11-29 04:14:21,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-11-29 04:14:21,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2023-11-29 04:14:21,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 6805 transitions. [2023-11-29 04:14:21,976 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7174486030574592 [2023-11-29 04:14:21,976 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 6805 transitions. [2023-11-29 04:14:21,976 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 6805 transitions. [2023-11-29 04:14:21,978 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:14:21,978 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 6805 transitions. [2023-11-29 04:14:21,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 194.42857142857142) internal successors, (6805), 35 states have internal predecessors, (6805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:14:21,988 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 271.0) internal successors, (9756), 36 states have internal predecessors, (9756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:14:21,989 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 271.0) internal successors, (9756), 36 states have internal predecessors, (9756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:14:21,989 INFO L175 Difference]: Start difference. First operand has 404 places, 799 transitions, 15265 flow. Second operand 35 states and 6805 transitions. [2023-11-29 04:14:21,989 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 438 places, 1040 transitions, 20738 flow [2023-11-29 04:14:25,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 413 places, 1040 transitions, 20216 flow, removed 107 selfloop flow, removed 25 redundant places. [2023-11-29 04:14:25,363 INFO L231 Difference]: Finished difference. Result has 422 places, 864 transitions, 17772 flow [2023-11-29 04:14:25,364 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=14791, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=799, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=280, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=488, PETRI_DIFFERENCE_SUBTRAHEND_STATES=35, PETRI_FLOW=17772, PETRI_PLACES=422, PETRI_TRANSITIONS=864} [2023-11-29 04:14:25,364 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 157 predicate places. [2023-11-29 04:14:25,365 INFO L495 AbstractCegarLoop]: Abstraction has has 422 places, 864 transitions, 17772 flow [2023-11-29 04:14:25,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:14:25,365 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:14:25,365 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:14:25,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 04:14:25,366 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 04:14:25,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:14:25,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1478037418, now seen corresponding path program 12 times [2023-11-29 04:14:25,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:14:25,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610528159] [2023-11-29 04:14:25,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:14:25,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:14:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:14:26,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:14:26,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:14:26,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610528159] [2023-11-29 04:14:26,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610528159] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:14:26,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:14:26,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 04:14:26,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647182556] [2023-11-29 04:14:26,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:14:26,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 04:14:26,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:14:26,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 04:14:26,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2023-11-29 04:14:31,130 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 04:14:31,132 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 422 places, 864 transitions, 17772 flow. Second operand has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:14:31,132 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:14:31,132 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 04:14:31,132 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:14:39,292 INFO L124 PetriNetUnfolderBase]: 6215/14563 cut-off events. [2023-11-29 04:14:39,292 INFO L125 PetriNetUnfolderBase]: For 337915/338010 co-relation queries the response was YES. [2023-11-29 04:14:39,488 INFO L83 FinitePrefix]: Finished finitePrefix Result has 90265 conditions, 14563 events. 6215/14563 cut-off events. For 337915/338010 co-relation queries the response was YES. Maximal size of possible extension queue 646. Compared 138424 event pairs, 455 based on Foata normal form. 91/14458 useless extension candidates. Maximal degree in co-relation 90151. Up to 6849 conditions per place. [2023-11-29 04:14:39,563 INFO L140 encePairwiseOnDemand]: 245/271 looper letters, 611 selfloop transitions, 370 changer transitions 0/1062 dead transitions. [2023-11-29 04:14:39,563 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 455 places, 1062 transitions, 22475 flow [2023-11-29 04:14:39,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-29 04:14:39,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2023-11-29 04:14:39,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 6615 transitions. [2023-11-29 04:14:39,568 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7179292381159106 [2023-11-29 04:14:39,569 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 6615 transitions. [2023-11-29 04:14:39,569 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 6615 transitions. [2023-11-29 04:14:39,570 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:14:39,570 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 6615 transitions. [2023-11-29 04:14:39,574 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 194.55882352941177) internal successors, (6615), 34 states have internal predecessors, (6615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:14:39,579 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 271.0) internal successors, (9485), 35 states have internal predecessors, (9485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:14:39,580 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 271.0) internal successors, (9485), 35 states have internal predecessors, (9485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:14:39,580 INFO L175 Difference]: Start difference. First operand has 422 places, 864 transitions, 17772 flow. Second operand 34 states and 6615 transitions. [2023-11-29 04:14:39,580 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 455 places, 1062 transitions, 22475 flow [2023-11-29 04:14:43,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 431 places, 1062 transitions, 22069 flow, removed 100 selfloop flow, removed 24 redundant places. [2023-11-29 04:14:43,394 INFO L231 Difference]: Finished difference. Result has 439 places, 899 transitions, 19731 flow [2023-11-29 04:14:43,395 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=17372, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=864, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=337, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=506, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=19731, PETRI_PLACES=439, PETRI_TRANSITIONS=899} [2023-11-29 04:14:43,396 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 174 predicate places. [2023-11-29 04:14:43,396 INFO L495 AbstractCegarLoop]: Abstraction has has 439 places, 899 transitions, 19731 flow [2023-11-29 04:14:43,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:14:43,396 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:14:43,397 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:14:43,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 04:14:43,397 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 04:14:43,397 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:14:43,397 INFO L85 PathProgramCache]: Analyzing trace with hash 787982214, now seen corresponding path program 13 times [2023-11-29 04:14:43,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:14:43,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171555098] [2023-11-29 04:14:43,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:14:43,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:14:43,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:14:44,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:14:44,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:14:44,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171555098] [2023-11-29 04:14:44,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171555098] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:14:44,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:14:44,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 04:14:44,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357830716] [2023-11-29 04:14:44,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:14:44,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 04:14:44,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:14:44,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 04:14:44,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-11-29 04:14:49,155 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 04:14:49,159 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 439 places, 899 transitions, 19731 flow. Second operand has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:14:49,159 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:14:49,159 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 04:14:49,159 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:14:57,745 INFO L124 PetriNetUnfolderBase]: 6230/14685 cut-off events. [2023-11-29 04:14:57,745 INFO L125 PetriNetUnfolderBase]: For 380595/380676 co-relation queries the response was YES. [2023-11-29 04:14:57,959 INFO L83 FinitePrefix]: Finished finitePrefix Result has 94303 conditions, 14685 events. 6230/14685 cut-off events. For 380595/380676 co-relation queries the response was YES. Maximal size of possible extension queue 657. Compared 140577 event pairs, 226 based on Foata normal form. 96/14580 useless extension candidates. Maximal degree in co-relation 94181. Up to 6669 conditions per place. [2023-11-29 04:14:58,029 INFO L140 encePairwiseOnDemand]: 245/271 looper letters, 620 selfloop transitions, 387 changer transitions 0/1088 dead transitions. [2023-11-29 04:14:58,029 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 474 places, 1088 transitions, 24008 flow [2023-11-29 04:14:58,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-11-29 04:14:58,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2023-11-29 04:14:58,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 7005 transitions. [2023-11-29 04:14:58,035 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.718019680196802 [2023-11-29 04:14:58,035 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 7005 transitions. [2023-11-29 04:14:58,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 7005 transitions. [2023-11-29 04:14:58,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:14:58,036 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 7005 transitions. [2023-11-29 04:14:58,040 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 37 states, 36 states have (on average 194.58333333333334) internal successors, (7005), 36 states have internal predecessors, (7005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:14:58,046 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 37 states, 37 states have (on average 271.0) internal successors, (10027), 37 states have internal predecessors, (10027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:14:58,047 INFO L81 ComplementDD]: Finished complementDD. Result has 37 states, 37 states have (on average 271.0) internal successors, (10027), 37 states have internal predecessors, (10027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:14:58,048 INFO L175 Difference]: Start difference. First operand has 439 places, 899 transitions, 19731 flow. Second operand 36 states and 7005 transitions. [2023-11-29 04:14:58,048 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 474 places, 1088 transitions, 24008 flow [2023-11-29 04:15:02,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 451 places, 1088 transitions, 23455 flow, removed 177 selfloop flow, removed 23 redundant places. [2023-11-29 04:15:02,436 INFO L231 Difference]: Finished difference. Result has 455 places, 917 transitions, 20805 flow [2023-11-29 04:15:02,437 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=19244, PETRI_DIFFERENCE_MINUEND_PLACES=416, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=899, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=371, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=520, PETRI_DIFFERENCE_SUBTRAHEND_STATES=36, PETRI_FLOW=20805, PETRI_PLACES=455, PETRI_TRANSITIONS=917} [2023-11-29 04:15:02,438 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 190 predicate places. [2023-11-29 04:15:02,438 INFO L495 AbstractCegarLoop]: Abstraction has has 455 places, 917 transitions, 20805 flow [2023-11-29 04:15:02,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:15:02,439 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:15:02,439 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:15:02,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 04:15:02,439 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 04:15:02,440 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:15:02,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1386751582, now seen corresponding path program 14 times [2023-11-29 04:15:02,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:15:02,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414042256] [2023-11-29 04:15:02,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:15:02,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:15:02,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:15:03,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:15:03,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:15:03,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414042256] [2023-11-29 04:15:03,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414042256] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:15:03,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:15:03,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 04:15:03,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947335355] [2023-11-29 04:15:03,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:15:03,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 04:15:03,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:15:03,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 04:15:03,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-11-29 04:15:07,930 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 04:15:07,932 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 455 places, 917 transitions, 20805 flow. Second operand has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:15:07,933 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:15:07,933 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 04:15:07,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:15:16,767 INFO L124 PetriNetUnfolderBase]: 6245/14828 cut-off events. [2023-11-29 04:15:16,767 INFO L125 PetriNetUnfolderBase]: For 423102/423223 co-relation queries the response was YES. [2023-11-29 04:15:17,036 INFO L83 FinitePrefix]: Finished finitePrefix Result has 97042 conditions, 14828 events. 6245/14828 cut-off events. For 423102/423223 co-relation queries the response was YES. Maximal size of possible extension queue 677. Compared 144355 event pairs, 1418 based on Foata normal form. 89/14688 useless extension candidates. Maximal degree in co-relation 96916. Up to 6465 conditions per place. [2023-11-29 04:15:17,117 INFO L140 encePairwiseOnDemand]: 245/271 looper letters, 583 selfloop transitions, 445 changer transitions 0/1109 dead transitions. [2023-11-29 04:15:17,117 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 491 places, 1109 transitions, 25102 flow [2023-11-29 04:15:17,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-11-29 04:15:17,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2023-11-29 04:15:17,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 7201 transitions. [2023-11-29 04:15:17,122 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7181609653934378 [2023-11-29 04:15:17,123 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 7201 transitions. [2023-11-29 04:15:17,123 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 7201 transitions. [2023-11-29 04:15:17,124 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:15:17,124 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 7201 transitions. [2023-11-29 04:15:17,129 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 194.6216216216216) internal successors, (7201), 37 states have internal predecessors, (7201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:15:17,134 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 271.0) internal successors, (10298), 38 states have internal predecessors, (10298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:15:17,135 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 271.0) internal successors, (10298), 38 states have internal predecessors, (10298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:15:17,136 INFO L175 Difference]: Start difference. First operand has 455 places, 917 transitions, 20805 flow. Second operand 37 states and 7201 transitions. [2023-11-29 04:15:17,136 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 491 places, 1109 transitions, 25102 flow [2023-11-29 04:15:21,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 463 places, 1109 transitions, 24510 flow, removed 154 selfloop flow, removed 28 redundant places. [2023-11-29 04:15:21,532 INFO L231 Difference]: Finished difference. Result has 467 places, 935 transitions, 21908 flow [2023-11-29 04:15:21,533 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=20245, PETRI_DIFFERENCE_MINUEND_PLACES=427, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=917, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=429, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=480, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=21908, PETRI_PLACES=467, PETRI_TRANSITIONS=935} [2023-11-29 04:15:21,534 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 202 predicate places. [2023-11-29 04:15:21,534 INFO L495 AbstractCegarLoop]: Abstraction has has 467 places, 935 transitions, 21908 flow [2023-11-29 04:15:21,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:15:21,534 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:15:21,534 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:15:21,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 04:15:21,535 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 04:15:21,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:15:21,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1405908172, now seen corresponding path program 15 times [2023-11-29 04:15:21,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:15:21,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645385000] [2023-11-29 04:15:21,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:15:21,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:15:21,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:15:22,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:15:22,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:15:22,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645385000] [2023-11-29 04:15:22,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645385000] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:15:22,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:15:22,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 04:15:22,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485563095] [2023-11-29 04:15:22,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:15:22,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 04:15:22,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:15:22,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 04:15:22,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2023-11-29 04:15:26,815 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 04:15:26,817 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 467 places, 935 transitions, 21908 flow. Second operand has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:15:26,817 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:15:26,817 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 04:15:26,817 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:15:37,560 INFO L124 PetriNetUnfolderBase]: 7146/16915 cut-off events. [2023-11-29 04:15:37,560 INFO L125 PetriNetUnfolderBase]: For 536818/536923 co-relation queries the response was YES. [2023-11-29 04:15:37,871 INFO L83 FinitePrefix]: Finished finitePrefix Result has 114823 conditions, 16915 events. 7146/16915 cut-off events. For 536818/536923 co-relation queries the response was YES. Maximal size of possible extension queue 764. Compared 168157 event pairs, 136 based on Foata normal form. 116/16792 useless extension candidates. Maximal degree in co-relation 114693. Up to 6279 conditions per place. [2023-11-29 04:15:37,964 INFO L140 encePairwiseOnDemand]: 245/271 looper letters, 547 selfloop transitions, 632 changer transitions 0/1260 dead transitions. [2023-11-29 04:15:37,964 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 501 places, 1260 transitions, 30069 flow [2023-11-29 04:15:37,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-11-29 04:15:37,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2023-11-29 04:15:37,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 6829 transitions. [2023-11-29 04:15:37,970 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.719978914074855 [2023-11-29 04:15:37,970 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 6829 transitions. [2023-11-29 04:15:37,970 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 6829 transitions. [2023-11-29 04:15:37,971 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:15:37,971 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 6829 transitions. [2023-11-29 04:15:37,976 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 195.11428571428573) internal successors, (6829), 35 states have internal predecessors, (6829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:15:37,980 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 271.0) internal successors, (9756), 36 states have internal predecessors, (9756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:15:37,981 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 271.0) internal successors, (9756), 36 states have internal predecessors, (9756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:15:37,981 INFO L175 Difference]: Start difference. First operand has 467 places, 935 transitions, 21908 flow. Second operand 35 states and 6829 transitions. [2023-11-29 04:15:37,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 501 places, 1260 transitions, 30069 flow [2023-11-29 04:15:44,185 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 473 places, 1260 transitions, 29611 flow, removed 52 selfloop flow, removed 28 redundant places. [2023-11-29 04:15:44,215 INFO L231 Difference]: Finished difference. Result has 490 places, 1077 transitions, 27953 flow [2023-11-29 04:15:44,216 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=21472, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=935, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=510, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=391, PETRI_DIFFERENCE_SUBTRAHEND_STATES=35, PETRI_FLOW=27953, PETRI_PLACES=490, PETRI_TRANSITIONS=1077} [2023-11-29 04:15:44,217 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 225 predicate places. [2023-11-29 04:15:44,217 INFO L495 AbstractCegarLoop]: Abstraction has has 490 places, 1077 transitions, 27953 flow [2023-11-29 04:15:44,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:15:44,217 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:15:44,217 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:15:44,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 04:15:44,217 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 04:15:44,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:15:44,218 INFO L85 PathProgramCache]: Analyzing trace with hash -660430930, now seen corresponding path program 16 times [2023-11-29 04:15:44,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:15:44,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886135850] [2023-11-29 04:15:44,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:15:44,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:15:44,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:15:45,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:15:45,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:15:45,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886135850] [2023-11-29 04:15:45,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886135850] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:15:45,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:15:45,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 04:15:45,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426987388] [2023-11-29 04:15:45,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:15:45,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 04:15:45,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:15:45,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 04:15:45,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-11-29 04:15:48,568 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 04:15:48,569 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 490 places, 1077 transitions, 27953 flow. Second operand has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:15:48,569 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:15:48,569 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 04:15:48,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:15:59,067 INFO L124 PetriNetUnfolderBase]: 7396/17767 cut-off events. [2023-11-29 04:15:59,067 INFO L125 PetriNetUnfolderBase]: For 679559/679664 co-relation queries the response was YES. [2023-11-29 04:15:59,432 INFO L83 FinitePrefix]: Finished finitePrefix Result has 128652 conditions, 17767 events. 7396/17767 cut-off events. For 679559/679664 co-relation queries the response was YES. Maximal size of possible extension queue 803. Compared 179303 event pairs, 88 based on Foata normal form. 112/17613 useless extension candidates. Maximal degree in co-relation 128505. Up to 6934 conditions per place. [2023-11-29 04:15:59,533 INFO L140 encePairwiseOnDemand]: 245/271 looper letters, 546 selfloop transitions, 666 changer transitions 0/1293 dead transitions. [2023-11-29 04:15:59,533 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 517 places, 1293 transitions, 34461 flow [2023-11-29 04:15:59,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-29 04:15:59,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2023-11-29 04:15:59,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 5471 transitions. [2023-11-29 04:15:59,538 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7210068529256721 [2023-11-29 04:15:59,538 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 5471 transitions. [2023-11-29 04:15:59,538 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 5471 transitions. [2023-11-29 04:15:59,539 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:15:59,539 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 5471 transitions. [2023-11-29 04:15:59,543 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 195.39285714285714) internal successors, (5471), 28 states have internal predecessors, (5471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:15:59,547 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 271.0) internal successors, (7859), 29 states have internal predecessors, (7859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:15:59,548 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 271.0) internal successors, (7859), 29 states have internal predecessors, (7859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:15:59,548 INFO L175 Difference]: Start difference. First operand has 490 places, 1077 transitions, 27953 flow. Second operand 28 states and 5471 transitions. [2023-11-29 04:15:59,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 517 places, 1293 transitions, 34461 flow [2023-11-29 04:16:07,238 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 500 places, 1293 transitions, 33393 flow, removed 499 selfloop flow, removed 17 redundant places. [2023-11-29 04:16:07,271 INFO L231 Difference]: Finished difference. Result has 510 places, 1141 transitions, 31878 flow [2023-11-29 04:16:07,272 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=27065, PETRI_DIFFERENCE_MINUEND_PLACES=473, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1077, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=602, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=443, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=31878, PETRI_PLACES=510, PETRI_TRANSITIONS=1141} [2023-11-29 04:16:07,272 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 245 predicate places. [2023-11-29 04:16:07,272 INFO L495 AbstractCegarLoop]: Abstraction has has 510 places, 1141 transitions, 31878 flow [2023-11-29 04:16:07,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:16:07,272 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:16:07,273 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:16:07,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-29 04:16:07,273 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 04:16:07,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:16:07,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1529950732, now seen corresponding path program 17 times [2023-11-29 04:16:07,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:16:07,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521625916] [2023-11-29 04:16:07,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:16:07,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:16:07,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:16:08,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:16:08,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:16:08,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521625916] [2023-11-29 04:16:08,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521625916] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:16:08,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:16:08,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 04:16:08,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673853148] [2023-11-29 04:16:08,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:16:08,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 04:16:08,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:16:08,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 04:16:08,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-11-29 04:16:12,930 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 04:16:12,932 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 510 places, 1141 transitions, 31878 flow. Second operand has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:16:12,932 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:16:12,932 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 04:16:12,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:16:26,225 INFO L124 PetriNetUnfolderBase]: 7908/18863 cut-off events. [2023-11-29 04:16:26,225 INFO L125 PetriNetUnfolderBase]: For 774494/774611 co-relation queries the response was YES. [2023-11-29 04:16:26,674 INFO L83 FinitePrefix]: Finished finitePrefix Result has 142660 conditions, 18863 events. 7908/18863 cut-off events. For 774494/774611 co-relation queries the response was YES. Maximal size of possible extension queue 861. Compared 191345 event pairs, 190 based on Foata normal form. 124/18710 useless extension candidates. Maximal degree in co-relation 142503. Up to 7047 conditions per place. [2023-11-29 04:16:26,786 INFO L140 encePairwiseOnDemand]: 245/271 looper letters, 566 selfloop transitions, 737 changer transitions 0/1384 dead transitions. [2023-11-29 04:16:26,786 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 544 places, 1384 transitions, 38770 flow [2023-11-29 04:16:26,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-11-29 04:16:26,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2023-11-29 04:16:26,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 6830 transitions. [2023-11-29 04:16:26,792 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7200843437005798 [2023-11-29 04:16:26,792 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 6830 transitions. [2023-11-29 04:16:26,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 6830 transitions. [2023-11-29 04:16:26,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:16:26,794 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 6830 transitions. [2023-11-29 04:16:26,800 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 195.14285714285714) internal successors, (6830), 35 states have internal predecessors, (6830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:16:26,805 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 271.0) internal successors, (9756), 36 states have internal predecessors, (9756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:16:26,806 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 271.0) internal successors, (9756), 36 states have internal predecessors, (9756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:16:26,806 INFO L175 Difference]: Start difference. First operand has 510 places, 1141 transitions, 31878 flow. Second operand 35 states and 6830 transitions. [2023-11-29 04:16:26,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 544 places, 1384 transitions, 38770 flow [2023-11-29 04:16:36,777 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 527 places, 1384 transitions, 38586 flow, removed 57 selfloop flow, removed 17 redundant places. [2023-11-29 04:16:36,823 INFO L231 Difference]: Finished difference. Result has 537 places, 1213 transitions, 36159 flow [2023-11-29 04:16:36,824 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=31738, PETRI_DIFFERENCE_MINUEND_PLACES=493, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=670, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=457, PETRI_DIFFERENCE_SUBTRAHEND_STATES=35, PETRI_FLOW=36159, PETRI_PLACES=537, PETRI_TRANSITIONS=1213} [2023-11-29 04:16:36,825 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 272 predicate places. [2023-11-29 04:16:36,825 INFO L495 AbstractCegarLoop]: Abstraction has has 537 places, 1213 transitions, 36159 flow [2023-11-29 04:16:36,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:16:36,826 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:16:36,826 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:16:36,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 04:16:36,826 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 04:16:36,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:16:36,827 INFO L85 PathProgramCache]: Analyzing trace with hash 998287554, now seen corresponding path program 18 times [2023-11-29 04:16:36,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:16:36,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977213338] [2023-11-29 04:16:36,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:16:36,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:16:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:16:37,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:16:37,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:16:37,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977213338] [2023-11-29 04:16:37,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977213338] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:16:37,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:16:37,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 04:16:37,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416026184] [2023-11-29 04:16:37,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:16:37,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 04:16:37,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:16:37,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 04:16:37,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2023-11-29 04:16:42,441 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 04:16:42,442 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 537 places, 1213 transitions, 36159 flow. Second operand has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:16:42,443 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:16:42,443 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 04:16:42,443 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:16:56,668 INFO L124 PetriNetUnfolderBase]: 8546/20358 cut-off events. [2023-11-29 04:16:56,668 INFO L125 PetriNetUnfolderBase]: For 951486/951617 co-relation queries the response was YES. [2023-11-29 04:16:57,152 INFO L83 FinitePrefix]: Finished finitePrefix Result has 163044 conditions, 20358 events. 8546/20358 cut-off events. For 951486/951617 co-relation queries the response was YES. Maximal size of possible extension queue 944. Compared 209718 event pairs, 258 based on Foata normal form. 134/20193 useless extension candidates. Maximal degree in co-relation 162877. Up to 7571 conditions per place. [2023-11-29 04:16:57,272 INFO L140 encePairwiseOnDemand]: 245/271 looper letters, 591 selfloop transitions, 822 changer transitions 0/1494 dead transitions. [2023-11-29 04:16:57,272 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 570 places, 1494 transitions, 44958 flow [2023-11-29 04:16:57,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-29 04:16:57,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2023-11-29 04:16:57,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 6636 transitions. [2023-11-29 04:16:57,277 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7202083785543738 [2023-11-29 04:16:57,278 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 6636 transitions. [2023-11-29 04:16:57,278 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 6636 transitions. [2023-11-29 04:16:57,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:16:57,279 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 6636 transitions. [2023-11-29 04:16:57,283 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 195.1764705882353) internal successors, (6636), 34 states have internal predecessors, (6636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:16:57,288 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 271.0) internal successors, (9485), 35 states have internal predecessors, (9485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:16:57,289 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 271.0) internal successors, (9485), 35 states have internal predecessors, (9485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:16:57,289 INFO L175 Difference]: Start difference. First operand has 537 places, 1213 transitions, 36159 flow. Second operand 34 states and 6636 transitions. [2023-11-29 04:16:57,289 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 570 places, 1494 transitions, 44958 flow [2023-11-29 04:17:10,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 551 places, 1494 transitions, 44324 flow, removed 253 selfloop flow, removed 19 redundant places. [2023-11-29 04:17:10,799 INFO L231 Difference]: Finished difference. Result has 565 places, 1324 transitions, 42114 flow [2023-11-29 04:17:10,800 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=35578, PETRI_DIFFERENCE_MINUEND_PLACES=518, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=719, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=466, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=42114, PETRI_PLACES=565, PETRI_TRANSITIONS=1324} [2023-11-29 04:17:10,800 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 300 predicate places. [2023-11-29 04:17:10,801 INFO L495 AbstractCegarLoop]: Abstraction has has 565 places, 1324 transitions, 42114 flow [2023-11-29 04:17:10,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:17:10,801 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:17:10,801 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:17:10,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-29 04:17:10,801 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 04:17:10,802 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:17:10,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1524449918, now seen corresponding path program 19 times [2023-11-29 04:17:10,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:17:10,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121600299] [2023-11-29 04:17:10,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:17:10,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:17:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:17:11,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:17:11,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:17:11,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121600299] [2023-11-29 04:17:11,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121600299] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:17:11,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:17:11,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 04:17:11,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202774348] [2023-11-29 04:17:11,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:17:11,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 04:17:11,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:17:11,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 04:17:11,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2023-11-29 04:17:16,859 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 04:17:16,860 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 565 places, 1324 transitions, 42114 flow. Second operand has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:17:16,860 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:17:16,861 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 04:17:16,861 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:17:32,379 INFO L124 PetriNetUnfolderBase]: 8824/21250 cut-off events. [2023-11-29 04:17:32,379 INFO L125 PetriNetUnfolderBase]: For 1103969/1104106 co-relation queries the response was YES. [2023-11-29 04:17:32,980 INFO L83 FinitePrefix]: Finished finitePrefix Result has 176193 conditions, 21250 events. 8824/21250 cut-off events. For 1103969/1104106 co-relation queries the response was YES. Maximal size of possible extension queue 982. Compared 222776 event pairs, 410 based on Foata normal form. 126/21052 useless extension candidates. Maximal degree in co-relation 176012. Up to 8152 conditions per place. [2023-11-29 04:17:33,113 INFO L140 encePairwiseOnDemand]: 245/271 looper letters, 604 selfloop transitions, 846 changer transitions 0/1531 dead transitions. [2023-11-29 04:17:33,113 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 593 places, 1531 transitions, 49324 flow [2023-11-29 04:17:33,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-11-29 04:17:33,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2023-11-29 04:17:33,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 5654 transitions. [2023-11-29 04:17:33,118 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7194299529202188 [2023-11-29 04:17:33,118 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 5654 transitions. [2023-11-29 04:17:33,118 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 5654 transitions. [2023-11-29 04:17:33,119 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:17:33,119 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 5654 transitions. [2023-11-29 04:17:33,123 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 194.9655172413793) internal successors, (5654), 29 states have internal predecessors, (5654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:17:33,126 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 271.0) internal successors, (8130), 30 states have internal predecessors, (8130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:17:33,127 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 271.0) internal successors, (8130), 30 states have internal predecessors, (8130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:17:33,127 INFO L175 Difference]: Start difference. First operand has 565 places, 1324 transitions, 42114 flow. Second operand 29 states and 5654 transitions. [2023-11-29 04:17:33,127 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 593 places, 1531 transitions, 49324 flow [2023-11-29 04:17:50,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 575 places, 1531 transitions, 48816 flow, removed 189 selfloop flow, removed 18 redundant places. [2023-11-29 04:17:50,437 INFO L231 Difference]: Finished difference. Result has 585 places, 1391 transitions, 47531 flow [2023-11-29 04:17:50,438 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=41611, PETRI_DIFFERENCE_MINUEND_PLACES=547, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1324, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=780, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=519, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=47531, PETRI_PLACES=585, PETRI_TRANSITIONS=1391} [2023-11-29 04:17:50,439 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 320 predicate places. [2023-11-29 04:17:50,439 INFO L495 AbstractCegarLoop]: Abstraction has has 585 places, 1391 transitions, 47531 flow [2023-11-29 04:17:50,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:17:50,440 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:17:50,440 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:17:50,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-29 04:17:50,440 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 04:17:50,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:17:50,441 INFO L85 PathProgramCache]: Analyzing trace with hash 715665976, now seen corresponding path program 20 times [2023-11-29 04:17:50,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:17:50,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168918464] [2023-11-29 04:17:50,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:17:50,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:17:50,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:17:51,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:17:51,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:17:51,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168918464] [2023-11-29 04:17:51,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168918464] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:17:51,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:17:51,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 04:17:51,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341992703] [2023-11-29 04:17:51,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:17:51,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 04:17:51,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:17:51,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 04:17:51,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2023-11-29 04:17:55,800 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 04:17:55,801 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 585 places, 1391 transitions, 47531 flow. Second operand has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:17:55,802 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:17:55,802 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 04:17:55,802 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:18:13,750 INFO L124 PetriNetUnfolderBase]: 9134/22162 cut-off events. [2023-11-29 04:18:13,751 INFO L125 PetriNetUnfolderBase]: For 1302582/1302719 co-relation queries the response was YES. [2023-11-29 04:18:14,537 INFO L83 FinitePrefix]: Finished finitePrefix Result has 191180 conditions, 22162 events. 9134/22162 cut-off events. For 1302582/1302719 co-relation queries the response was YES. Maximal size of possible extension queue 1029. Compared 234274 event pairs, 162 based on Foata normal form. 130/21948 useless extension candidates. Maximal degree in co-relation 190989. Up to 8342 conditions per place. [2023-11-29 04:18:14,675 INFO L140 encePairwiseOnDemand]: 245/271 looper letters, 653 selfloop transitions, 904 changer transitions 0/1638 dead transitions. [2023-11-29 04:18:14,675 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 615 places, 1638 transitions, 56179 flow [2023-11-29 04:18:14,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-29 04:18:14,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2023-11-29 04:18:14,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 6052 transitions. [2023-11-29 04:18:14,679 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7203904297107487 [2023-11-29 04:18:14,680 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 6052 transitions. [2023-11-29 04:18:14,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 6052 transitions. [2023-11-29 04:18:14,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:18:14,681 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 6052 transitions. [2023-11-29 04:18:14,685 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 32 states, 31 states have (on average 195.2258064516129) internal successors, (6052), 31 states have internal predecessors, (6052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:18:14,689 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 32 states, 32 states have (on average 271.0) internal successors, (8672), 32 states have internal predecessors, (8672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:18:14,689 INFO L81 ComplementDD]: Finished complementDD. Result has 32 states, 32 states have (on average 271.0) internal successors, (8672), 32 states have internal predecessors, (8672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:18:14,689 INFO L175 Difference]: Start difference. First operand has 585 places, 1391 transitions, 47531 flow. Second operand 31 states and 6052 transitions. [2023-11-29 04:18:14,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 615 places, 1638 transitions, 56179 flow [2023-11-29 04:18:36,008 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 598 places, 1638 transitions, 55835 flow, removed 137 selfloop flow, removed 17 redundant places. [2023-11-29 04:18:36,054 INFO L231 Difference]: Finished difference. Result has 609 places, 1470 transitions, 54084 flow [2023-11-29 04:18:36,055 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=47187, PETRI_DIFFERENCE_MINUEND_PLACES=568, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=826, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=539, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=54084, PETRI_PLACES=609, PETRI_TRANSITIONS=1470} [2023-11-29 04:18:36,056 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 344 predicate places. [2023-11-29 04:18:36,056 INFO L495 AbstractCegarLoop]: Abstraction has has 609 places, 1470 transitions, 54084 flow [2023-11-29 04:18:36,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:18:36,056 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:18:36,056 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:18:36,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-29 04:18:36,057 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 04:18:36,057 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:18:36,057 INFO L85 PathProgramCache]: Analyzing trace with hash 6617900, now seen corresponding path program 21 times [2023-11-29 04:18:36,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:18:36,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446184680] [2023-11-29 04:18:36,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:18:36,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:18:36,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:18:36,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:18:36,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:18:36,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446184680] [2023-11-29 04:18:36,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446184680] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:18:36,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:18:36,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 04:18:36,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059891801] [2023-11-29 04:18:36,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:18:36,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 04:18:36,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:18:36,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 04:18:36,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-11-29 04:18:41,654 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 04:18:41,656 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 609 places, 1470 transitions, 54084 flow. Second operand has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:18:41,656 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:18:41,656 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 04:18:41,656 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:19:00,051 INFO L124 PetriNetUnfolderBase]: 9395/22781 cut-off events. [2023-11-29 04:19:00,051 INFO L125 PetriNetUnfolderBase]: For 1420022/1420171 co-relation queries the response was YES. [2023-11-29 04:19:00,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 204554 conditions, 22781 events. 9395/22781 cut-off events. For 1420022/1420171 co-relation queries the response was YES. Maximal size of possible extension queue 1062. Compared 242894 event pairs, 264 based on Foata normal form. 146/22573 useless extension candidates. Maximal degree in co-relation 204352. Up to 8498 conditions per place. [2023-11-29 04:19:00,940 INFO L140 encePairwiseOnDemand]: 245/271 looper letters, 627 selfloop transitions, 972 changer transitions 0/1680 dead transitions. [2023-11-29 04:19:00,940 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 642 places, 1680 transitions, 61270 flow [2023-11-29 04:19:00,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-29 04:19:00,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2023-11-29 04:19:00,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 6633 transitions. [2023-11-29 04:19:00,945 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7198827870631648 [2023-11-29 04:19:00,946 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 6633 transitions. [2023-11-29 04:19:00,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 6633 transitions. [2023-11-29 04:19:00,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:19:00,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 6633 transitions. [2023-11-29 04:19:00,951 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 195.08823529411765) internal successors, (6633), 34 states have internal predecessors, (6633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:19:00,956 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 271.0) internal successors, (9485), 35 states have internal predecessors, (9485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:19:00,956 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 271.0) internal successors, (9485), 35 states have internal predecessors, (9485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:19:00,956 INFO L175 Difference]: Start difference. First operand has 609 places, 1470 transitions, 54084 flow. Second operand 34 states and 6633 transitions. [2023-11-29 04:19:00,957 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 642 places, 1680 transitions, 61270 flow [2023-11-29 04:19:27,037 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 621 places, 1680 transitions, 60675 flow, removed 123 selfloop flow, removed 21 redundant places. [2023-11-29 04:19:27,092 INFO L231 Difference]: Finished difference. Result has 631 places, 1523 transitions, 59468 flow [2023-11-29 04:19:27,094 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=53508, PETRI_DIFFERENCE_MINUEND_PLACES=588, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1470, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=923, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=533, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=59468, PETRI_PLACES=631, PETRI_TRANSITIONS=1523} [2023-11-29 04:19:27,094 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 366 predicate places. [2023-11-29 04:19:27,094 INFO L495 AbstractCegarLoop]: Abstraction has has 631 places, 1523 transitions, 59468 flow [2023-11-29 04:19:27,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:19:27,095 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:19:27,095 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:19:27,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-29 04:19:27,095 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 04:19:27,096 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:19:27,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1128749466, now seen corresponding path program 22 times [2023-11-29 04:19:27,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:19:27,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780420687] [2023-11-29 04:19:27,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:19:27,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:19:27,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:19:27,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:19:27,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:19:27,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780420687] [2023-11-29 04:19:27,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780420687] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:19:27,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:19:27,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 04:19:27,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809375481] [2023-11-29 04:19:27,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:19:27,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 04:19:27,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:19:27,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 04:19:27,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2023-11-29 04:19:33,308 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 04:19:33,309 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 631 places, 1523 transitions, 59468 flow. Second operand has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:19:33,310 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:19:33,310 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 04:19:33,310 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:19:53,870 INFO L124 PetriNetUnfolderBase]: 9563/23016 cut-off events. [2023-11-29 04:19:53,871 INFO L125 PetriNetUnfolderBase]: For 1657456/1657599 co-relation queries the response was YES. [2023-11-29 04:19:54,680 INFO L83 FinitePrefix]: Finished finitePrefix Result has 216602 conditions, 23016 events. 9563/23016 cut-off events. For 1657456/1657599 co-relation queries the response was YES. Maximal size of possible extension queue 1097. Compared 246190 event pairs, 1580 based on Foata normal form. 136/22783 useless extension candidates. Maximal degree in co-relation 216390. Up to 8609 conditions per place. [2023-11-29 04:19:54,838 INFO L140 encePairwiseOnDemand]: 245/271 looper letters, 685 selfloop transitions, 954 changer transitions 0/1720 dead transitions. [2023-11-29 04:19:54,838 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 663 places, 1720 transitions, 65822 flow [2023-11-29 04:19:54,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-11-29 04:19:54,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2023-11-29 04:19:54,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 6440 transitions. [2023-11-29 04:19:54,960 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7201162920720117 [2023-11-29 04:19:54,960 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 6440 transitions. [2023-11-29 04:19:54,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 6440 transitions. [2023-11-29 04:19:54,961 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:19:54,961 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 6440 transitions. [2023-11-29 04:19:54,965 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 195.15151515151516) internal successors, (6440), 33 states have internal predecessors, (6440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:19:54,969 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 271.0) internal successors, (9214), 34 states have internal predecessors, (9214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:19:54,970 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 271.0) internal successors, (9214), 34 states have internal predecessors, (9214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:19:54,970 INFO L175 Difference]: Start difference. First operand has 631 places, 1523 transitions, 59468 flow. Second operand 33 states and 6440 transitions. [2023-11-29 04:19:54,970 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 663 places, 1720 transitions, 65822 flow [2023-11-29 04:20:24,289 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 643 places, 1720 transitions, 65193 flow, removed 232 selfloop flow, removed 20 redundant places. [2023-11-29 04:20:24,350 INFO L231 Difference]: Finished difference. Result has 649 places, 1544 transitions, 63283 flow [2023-11-29 04:20:24,352 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=58843, PETRI_DIFFERENCE_MINUEND_PLACES=611, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1523, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=935, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=579, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=63283, PETRI_PLACES=649, PETRI_TRANSITIONS=1544} [2023-11-29 04:20:24,352 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 384 predicate places. [2023-11-29 04:20:24,352 INFO L495 AbstractCegarLoop]: Abstraction has has 649 places, 1544 transitions, 63283 flow [2023-11-29 04:20:24,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:20:24,353 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:20:24,353 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:20:24,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-29 04:20:24,353 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 04:20:24,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:20:24,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1640635246, now seen corresponding path program 23 times [2023-11-29 04:20:24,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:20:24,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215002891] [2023-11-29 04:20:24,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:20:24,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:20:24,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:20:25,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:20:25,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:20:25,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215002891] [2023-11-29 04:20:25,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215002891] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:20:25,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:20:25,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 04:20:25,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792933609] [2023-11-29 04:20:25,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:20:25,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 04:20:25,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:20:25,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 04:20:25,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-11-29 04:20:30,122 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 04:20:30,124 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 649 places, 1544 transitions, 63283 flow. Second operand has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:20:30,124 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:20:30,124 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 04:20:30,124 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:20:52,613 INFO L124 PetriNetUnfolderBase]: 9666/23783 cut-off events. [2023-11-29 04:20:52,613 INFO L125 PetriNetUnfolderBase]: For 1731804/1731959 co-relation queries the response was YES. [2023-11-29 04:20:53,651 INFO L83 FinitePrefix]: Finished finitePrefix Result has 226414 conditions, 23783 events. 9666/23783 cut-off events. For 1731804/1731959 co-relation queries the response was YES. Maximal size of possible extension queue 1106. Compared 257553 event pairs, 324 based on Foata normal form. 150/23544 useless extension candidates. Maximal degree in co-relation 226196. Up to 8877 conditions per place. [2023-11-29 04:20:53,814 INFO L140 encePairwiseOnDemand]: 245/271 looper letters, 678 selfloop transitions, 996 changer transitions 0/1755 dead transitions. [2023-11-29 04:20:53,814 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 681 places, 1755 transitions, 71209 flow [2023-11-29 04:20:53,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-11-29 04:20:53,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2023-11-29 04:20:53,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 6437 transitions. [2023-11-29 04:20:53,819 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7197808341719781 [2023-11-29 04:20:53,819 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 6437 transitions. [2023-11-29 04:20:53,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 6437 transitions. [2023-11-29 04:20:53,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:20:53,820 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 6437 transitions. [2023-11-29 04:20:53,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 195.06060606060606) internal successors, (6437), 33 states have internal predecessors, (6437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:20:53,829 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 271.0) internal successors, (9214), 34 states have internal predecessors, (9214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:20:53,829 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 271.0) internal successors, (9214), 34 states have internal predecessors, (9214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:20:53,829 INFO L175 Difference]: Start difference. First operand has 649 places, 1544 transitions, 63283 flow. Second operand 33 states and 6437 transitions. [2023-11-29 04:20:53,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 681 places, 1755 transitions, 71209 flow [2023-11-29 04:21:27,700 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 657 places, 1755 transitions, 70541 flow, removed 179 selfloop flow, removed 24 redundant places. [2023-11-29 04:21:27,783 INFO L231 Difference]: Finished difference. Result has 664 places, 1603 transitions, 68710 flow [2023-11-29 04:21:27,785 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=62670, PETRI_DIFFERENCE_MINUEND_PLACES=625, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1544, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=943, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=579, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=68710, PETRI_PLACES=664, PETRI_TRANSITIONS=1603} [2023-11-29 04:21:27,785 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 399 predicate places. [2023-11-29 04:21:27,786 INFO L495 AbstractCegarLoop]: Abstraction has has 664 places, 1603 transitions, 68710 flow [2023-11-29 04:21:27,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:21:27,786 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:21:27,786 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:21:27,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-11-29 04:21:27,786 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 04:21:27,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:21:27,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1267627264, now seen corresponding path program 24 times [2023-11-29 04:21:27,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:21:27,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482770241] [2023-11-29 04:21:27,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:21:27,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:21:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:21:28,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:21:28,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:21:28,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482770241] [2023-11-29 04:21:28,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482770241] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:21:28,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:21:28,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 04:21:28,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837602321] [2023-11-29 04:21:28,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:21:28,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 04:21:28,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:21:28,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 04:21:28,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2023-11-29 04:21:32,939 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 04:21:32,941 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 664 places, 1603 transitions, 68710 flow. Second operand has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:21:32,941 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:21:32,941 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 04:21:32,941 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:21:55,980 INFO L124 PetriNetUnfolderBase]: 9856/24239 cut-off events. [2023-11-29 04:21:55,981 INFO L125 PetriNetUnfolderBase]: For 1924677/1924836 co-relation queries the response was YES. [2023-11-29 04:21:56,905 INFO L83 FinitePrefix]: Finished finitePrefix Result has 238820 conditions, 24239 events. 9856/24239 cut-off events. For 1924677/1924836 co-relation queries the response was YES. Maximal size of possible extension queue 1131. Compared 262801 event pairs, 238 based on Foata normal form. 164/24009 useless extension candidates. Maximal degree in co-relation 238595. Up to 8818 conditions per place. [2023-11-29 04:21:57,075 INFO L140 encePairwiseOnDemand]: 245/271 looper letters, 639 selfloop transitions, 1066 changer transitions 0/1786 dead transitions. [2023-11-29 04:21:57,075 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 696 places, 1786 transitions, 75667 flow [2023-11-29 04:21:57,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-11-29 04:21:57,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2023-11-29 04:21:57,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 6431 transitions. [2023-11-29 04:21:57,080 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.719109918371911 [2023-11-29 04:21:57,080 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 6431 transitions. [2023-11-29 04:21:57,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 6431 transitions. [2023-11-29 04:21:57,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:21:57,082 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 6431 transitions. [2023-11-29 04:21:57,086 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 194.87878787878788) internal successors, (6431), 33 states have internal predecessors, (6431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:21:57,090 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 271.0) internal successors, (9214), 34 states have internal predecessors, (9214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:21:57,091 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 271.0) internal successors, (9214), 34 states have internal predecessors, (9214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:21:57,091 INFO L175 Difference]: Start difference. First operand has 664 places, 1603 transitions, 68710 flow. Second operand 33 states and 6431 transitions. [2023-11-29 04:21:57,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 696 places, 1786 transitions, 75667 flow [2023-11-29 04:22:37,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 678 places, 1786 transitions, 75019 flow, removed 259 selfloop flow, removed 18 redundant places. [2023-11-29 04:22:37,110 INFO L231 Difference]: Finished difference. Result has 687 places, 1639 transitions, 73808 flow [2023-11-29 04:22:37,112 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=68066, PETRI_DIFFERENCE_MINUEND_PLACES=646, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1603, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1031, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=557, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=73808, PETRI_PLACES=687, PETRI_TRANSITIONS=1639} [2023-11-29 04:22:37,112 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 422 predicate places. [2023-11-29 04:22:37,112 INFO L495 AbstractCegarLoop]: Abstraction has has 687 places, 1639 transitions, 73808 flow [2023-11-29 04:22:37,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:22:37,112 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:22:37,113 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:22:37,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-29 04:22:37,113 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 04:22:37,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:22:37,113 INFO L85 PathProgramCache]: Analyzing trace with hash 904035752, now seen corresponding path program 25 times [2023-11-29 04:22:37,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:22:37,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528254779] [2023-11-29 04:22:37,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:22:37,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:22:37,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:37,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:22:37,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:22:37,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528254779] [2023-11-29 04:22:37,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528254779] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:22:37,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:22:37,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 04:22:37,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213339480] [2023-11-29 04:22:37,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:22:37,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 04:22:37,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:22:37,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 04:22:37,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-11-29 04:22:43,338 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 04:22:43,340 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 687 places, 1639 transitions, 73808 flow. Second operand has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:22:43,340 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:22:43,340 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 04:22:43,340 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:23:08,868 INFO L124 PetriNetUnfolderBase]: 10095/25012 cut-off events. [2023-11-29 04:23:08,868 INFO L125 PetriNetUnfolderBase]: For 2148698/2148865 co-relation queries the response was YES. [2023-11-29 04:23:09,891 INFO L83 FinitePrefix]: Finished finitePrefix Result has 253497 conditions, 25012 events. 10095/25012 cut-off events. For 2148698/2148865 co-relation queries the response was YES. Maximal size of possible extension queue 1167. Compared 273888 event pairs, 288 based on Foata normal form. 168/24761 useless extension candidates. Maximal degree in co-relation 253263. Up to 8907 conditions per place. [2023-11-29 04:23:10,072 INFO L140 encePairwiseOnDemand]: 245/271 looper letters, 711 selfloop transitions, 1061 changer transitions 0/1853 dead transitions. [2023-11-29 04:23:10,072 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 720 places, 1853 transitions, 82249 flow [2023-11-29 04:23:10,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-29 04:23:10,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2023-11-29 04:23:10,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 6633 transitions. [2023-11-29 04:23:10,077 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7198827870631648 [2023-11-29 04:23:10,077 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 6633 transitions. [2023-11-29 04:23:10,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 6633 transitions. [2023-11-29 04:23:10,079 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:23:10,079 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 6633 transitions. [2023-11-29 04:23:10,083 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 195.08823529411765) internal successors, (6633), 34 states have internal predecessors, (6633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:23:10,087 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 271.0) internal successors, (9485), 35 states have internal predecessors, (9485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:23:10,088 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 271.0) internal successors, (9485), 35 states have internal predecessors, (9485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:23:10,088 INFO L175 Difference]: Start difference. First operand has 687 places, 1639 transitions, 73808 flow. Second operand 34 states and 6633 transitions. [2023-11-29 04:23:10,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 720 places, 1853 transitions, 82249 flow [2023-11-29 04:23:52,030 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 701 places, 1853 transitions, 81886 flow, removed 102 selfloop flow, removed 19 redundant places. [2023-11-29 04:23:52,109 INFO L231 Difference]: Finished difference. Result has 712 places, 1692 transitions, 79642 flow [2023-11-29 04:23:52,110 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=73473, PETRI_DIFFERENCE_MINUEND_PLACES=668, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1639, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1010, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=607, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=79642, PETRI_PLACES=712, PETRI_TRANSITIONS=1692} [2023-11-29 04:23:52,111 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 447 predicate places. [2023-11-29 04:23:52,111 INFO L495 AbstractCegarLoop]: Abstraction has has 712 places, 1692 transitions, 79642 flow [2023-11-29 04:23:52,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:23:52,111 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:23:52,111 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:23:52,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-11-29 04:23:52,112 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 04:23:52,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:23:52,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1148028580, now seen corresponding path program 26 times [2023-11-29 04:23:52,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:23:52,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290337033] [2023-11-29 04:23:52,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:52,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:23:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:52,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:23:52,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:23:52,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290337033] [2023-11-29 04:23:52,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290337033] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:23:52,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:23:52,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 04:23:52,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682783964] [2023-11-29 04:23:52,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:23:52,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 04:23:52,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:23:52,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 04:23:52,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-11-29 04:23:57,896 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 04:23:57,898 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 712 places, 1692 transitions, 79642 flow. Second operand has 20 states, 20 states have (on average 188.0) internal successors, (3760), 20 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:23:57,898 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:23:57,898 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 04:23:57,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:24:24,797 INFO L124 PetriNetUnfolderBase]: 10110/24927 cut-off events. [2023-11-29 04:24:24,797 INFO L125 PetriNetUnfolderBase]: For 2315864/2316025 co-relation queries the response was YES. [2023-11-29 04:24:26,022 INFO L83 FinitePrefix]: Finished finitePrefix Result has 262117 conditions, 24927 events. 10110/24927 cut-off events. For 2315864/2316025 co-relation queries the response was YES. Maximal size of possible extension queue 1185. Compared 274783 event pairs, 1674 based on Foata normal form. 162/24658 useless extension candidates. Maximal degree in co-relation 261872. Up to 8901 conditions per place. [2023-11-29 04:24:26,202 INFO L140 encePairwiseOnDemand]: 245/271 looper letters, 669 selfloop transitions, 1116 changer transitions 0/1866 dead transitions. [2023-11-29 04:24:26,202 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 746 places, 1866 transitions, 85900 flow [2023-11-29 04:24:26,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-11-29 04:24:26,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2023-11-29 04:24:26,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 6821 transitions. [2023-11-29 04:24:26,207 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7191354770690565 [2023-11-29 04:24:26,207 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 6821 transitions. [2023-11-29 04:24:26,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 6821 transitions. [2023-11-29 04:24:26,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:24:26,208 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 6821 transitions. [2023-11-29 04:24:26,213 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 194.88571428571427) internal successors, (6821), 35 states have internal predecessors, (6821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:26,218 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 271.0) internal successors, (9756), 36 states have internal predecessors, (9756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:26,219 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 271.0) internal successors, (9756), 36 states have internal predecessors, (9756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:26,219 INFO L175 Difference]: Start difference. First operand has 712 places, 1692 transitions, 79642 flow. Second operand 35 states and 6821 transitions. [2023-11-29 04:24:26,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 746 places, 1866 transitions, 85900 flow