./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e7bb482b 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_b0e9a6b6-945e-407b-b44c-b738f8a1027f/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9a6b6-945e-407b-b44c-b738f8a1027f/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9a6b6-945e-407b-b44c-b738f8a1027f/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9a6b6-945e-407b-b44c-b738f8a1027f/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9a6b6-945e-407b-b44c-b738f8a1027f/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9a6b6-945e-407b-b44c-b738f8a1027f/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 02b1c265b98bd14cc97fe77543b4e06699576e2091fa3d4102d013e6b3937418 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:08:24,696 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:08:24,823 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9a6b6-945e-407b-b44c-b738f8a1027f/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 22:08:24,838 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:08:24,839 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:08:24,881 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:08:24,882 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:08:24,882 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:08:24,884 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:08:24,889 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:08:24,891 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:08:24,891 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:08:24,892 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:08:24,894 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:08:24,894 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:08:24,895 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:08:24,895 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:08:24,896 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:08:24,896 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:08:24,897 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:08:24,897 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:08:24,898 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:08:24,898 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 22:08:24,899 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:08:24,899 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:08:24,900 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:08:24,900 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:08:24,901 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:08:24,901 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:08:24,902 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:08:24,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:08:24,904 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:08:24,904 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:08:24,904 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:08:24,905 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:08:24,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:08:24,905 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:08:24,905 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:08:24,906 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:08:24,906 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:08:24,906 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:08:24,907 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_b0e9a6b6-945e-407b-b44c-b738f8a1027f/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9a6b6-945e-407b-b44c-b738f8a1027f/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02b1c265b98bd14cc97fe77543b4e06699576e2091fa3d4102d013e6b3937418 [2023-11-06 22:08:25,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:08:25,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:08:25,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:08:25,274 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:08:25,275 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:08:25,276 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9a6b6-945e-407b-b44c-b738f8a1027f/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2023-11-06 22:08:28,407 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:08:28,877 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:08:28,882 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9a6b6-945e-407b-b44c-b738f8a1027f/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2023-11-06 22:08:28,917 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9a6b6-945e-407b-b44c-b738f8a1027f/bin/uautomizer-verify-WvqO1wxjHP/data/a9b3a5c0b/0434db122b404d9086429f74786c8f91/FLAG7b25b492f [2023-11-06 22:08:28,946 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9a6b6-945e-407b-b44c-b738f8a1027f/bin/uautomizer-verify-WvqO1wxjHP/data/a9b3a5c0b/0434db122b404d9086429f74786c8f91 [2023-11-06 22:08:28,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:08:28,954 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:08:28,957 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:08:28,958 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:08:28,963 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:08:28,964 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:08:28" (1/1) ... [2023-11-06 22:08:28,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7137523b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:28, skipping insertion in model container [2023-11-06 22:08:28,965 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:08:28" (1/1) ... [2023-11-06 22:08:29,047 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:08:29,196 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 22:08:29,897 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:08:29,907 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:08:29,920 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 22:08:30,023 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:08:30,180 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:08:30,180 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:08:30,180 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:08:30,188 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:08:30,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:30 WrapperNode [2023-11-06 22:08:30,189 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:08:30,190 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:08:30,190 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:08:30,190 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:08:30,197 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:30" (1/1) ... [2023-11-06 22:08:30,236 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:30" (1/1) ... [2023-11-06 22:08:30,279 INFO L138 Inliner]: procedures = 468, calls = 53, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 225 [2023-11-06 22:08:30,280 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:08:30,280 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:08:30,281 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:08:30,281 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:08:30,291 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:30" (1/1) ... [2023-11-06 22:08:30,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:30" (1/1) ... [2023-11-06 22:08:30,300 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:30" (1/1) ... [2023-11-06 22:08:30,301 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:30" (1/1) ... [2023-11-06 22:08:30,327 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:30" (1/1) ... [2023-11-06 22:08:30,330 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:30" (1/1) ... [2023-11-06 22:08:30,337 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:30" (1/1) ... [2023-11-06 22:08:30,341 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:30" (1/1) ... [2023-11-06 22:08:30,349 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:08:30,350 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:08:30,350 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:08:30,351 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:08:30,351 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:30" (1/1) ... [2023-11-06 22:08:30,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:08:30,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9a6b6-945e-407b-b44c-b738f8a1027f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:08:30,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9a6b6-945e-407b-b44c-b738f8a1027f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:08:30,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e9a6b6-945e-407b-b44c-b738f8a1027f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:08:30,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 22:08:30,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:08:30,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 22:08:30,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:08:30,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:08:30,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:08:30,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:08:30,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:08:30,472 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-11-06 22:08:30,472 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-11-06 22:08:30,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:08:30,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:08:30,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:08:30,474 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 22:08:30,886 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:08:30,888 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:08:31,411 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:08:31,465 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:08:31,465 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:08:31,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:08:31 BoogieIcfgContainer [2023-11-06 22:08:31,468 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:08:31,470 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:08:31,470 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:08:31,474 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:08:31,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:08:28" (1/3) ... [2023-11-06 22:08:31,475 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@598b6202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:08:31, skipping insertion in model container [2023-11-06 22:08:31,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:30" (2/3) ... [2023-11-06 22:08:31,476 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@598b6202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:08:31, skipping insertion in model container [2023-11-06 22:08:31,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:08:31" (3/3) ... [2023-11-06 22:08:31,477 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_2-container_of-global.i [2023-11-06 22:08:31,505 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:08:31,517 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:08:31,517 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2023-11-06 22:08:31,517 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:08:31,631 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-06 22:08:31,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 301 places, 309 transitions, 632 flow [2023-11-06 22:08:31,832 INFO L124 PetriNetUnfolderBase]: 18/397 cut-off events. [2023-11-06 22:08:31,836 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-06 22:08:31,847 INFO L83 FinitePrefix]: Finished finitePrefix Result has 406 conditions, 397 events. 18/397 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 745 event pairs, 0 based on Foata normal form. 0/351 useless extension candidates. Maximal degree in co-relation 224. Up to 4 conditions per place. [2023-11-06 22:08:31,848 INFO L82 GeneralOperation]: Start removeDead. Operand has 301 places, 309 transitions, 632 flow [2023-11-06 22:08:31,861 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 299 places, 306 transitions, 624 flow [2023-11-06 22:08:31,865 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:08:31,883 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 299 places, 306 transitions, 624 flow [2023-11-06 22:08:31,889 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 299 places, 306 transitions, 624 flow [2023-11-06 22:08:31,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 299 places, 306 transitions, 624 flow [2023-11-06 22:08:31,982 INFO L124 PetriNetUnfolderBase]: 17/396 cut-off events. [2023-11-06 22:08:31,982 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-06 22:08:31,984 INFO L83 FinitePrefix]: Finished finitePrefix Result has 405 conditions, 396 events. 17/396 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 760 event pairs, 0 based on Foata normal form. 0/351 useless extension candidates. Maximal degree in co-relation 223. Up to 4 conditions per place. [2023-11-06 22:08:31,991 INFO L119 LiptonReduction]: Number of co-enabled transitions 7956 [2023-11-06 22:08:57,355 WARN L293 SmtUtils]: Spent 5.93s on a formula simplification. DAG size of input: 108 DAG size of output: 103 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:09:07,029 WARN L293 SmtUtils]: Spent 8.47s on a formula simplification. DAG size of input: 114 DAG size of output: 106 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:09:29,463 WARN L293 SmtUtils]: Spent 6.09s on a formula simplification. DAG size of input: 118 DAG size of output: 114 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:09:39,214 WARN L293 SmtUtils]: Spent 8.54s on a formula simplification. DAG size of input: 133 DAG size of output: 126 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:09:59,710 WARN L293 SmtUtils]: Spent 18.57s on a formula simplification. DAG size of input: 208 DAG size of output: 199 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:10:12,542 WARN L293 SmtUtils]: Spent 10.88s on a formula simplification. DAG size of input: 220 DAG size of output: 209 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:10:20,814 WARN L293 SmtUtils]: Spent 6.28s on a formula simplification. DAG size of input: 190 DAG size of output: 181 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:10:32,437 WARN L293 SmtUtils]: Spent 10.72s on a formula simplification. DAG size of input: 202 DAG size of output: 190 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:10:33,445 INFO L134 LiptonReduction]: Checked pairs total: 41038 [2023-11-06 22:10:33,445 INFO L136 LiptonReduction]: Total number of compositions: 340 [2023-11-06 22:10:33,461 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:10:33,466 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=LoopsAndPotentialCycles, 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;@726034d6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:10:33,466 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2023-11-06 22:10:33,468 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 22:10:33,468 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-06 22:10:33,468 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:10:33,469 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:10:33,469 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-06 22:10:33,470 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-06 22:10:33,475 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:33,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1096, now seen corresponding path program 1 times [2023-11-06 22:10:33,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:33,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883787183] [2023-11-06 22:10:33,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:33,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:33,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:33,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:10:33,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:33,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883787183] [2023-11-06 22:10:33,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883787183] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:33,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:33,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-06 22:10:33,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576291137] [2023-11-06 22:10:33,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:33,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:10:33,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:33,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:10:33,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:10:33,811 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 275 out of 649 [2023-11-06 22:10:33,818 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 82 transitions, 176 flow. Second operand has 2 states, 2 states have (on average 275.5) internal successors, (551), 2 states have internal predecessors, (551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:33,819 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:10:33,820 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 275 of 649 [2023-11-06 22:10:33,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:10:34,321 INFO L124 PetriNetUnfolderBase]: 591/1592 cut-off events. [2023-11-06 22:10:34,321 INFO L125 PetriNetUnfolderBase]: For 25/48 co-relation queries the response was YES. [2023-11-06 22:10:34,327 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2609 conditions, 1592 events. 591/1592 cut-off events. For 25/48 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 10105 event pairs, 590 based on Foata normal form. 62/1556 useless extension candidates. Maximal degree in co-relation 2441. Up to 993 conditions per place. [2023-11-06 22:10:34,337 INFO L140 encePairwiseOnDemand]: 633/649 looper letters, 29 selfloop transitions, 0 changer transitions 0/64 dead transitions. [2023-11-06 22:10:34,337 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 64 transitions, 198 flow [2023-11-06 22:10:34,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:10:34,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-06 22:10:34,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 595 transitions. [2023-11-06 22:10:34,361 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45839753466872113 [2023-11-06 22:10:34,362 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 595 transitions. [2023-11-06 22:10:34,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 595 transitions. [2023-11-06 22:10:34,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:10:34,369 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 595 transitions. [2023-11-06 22:10:34,376 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 297.5) internal successors, (595), 2 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:34,385 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 649.0) internal successors, (1947), 3 states have internal predecessors, (1947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:34,387 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 649.0) internal successors, (1947), 3 states have internal predecessors, (1947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:34,389 INFO L175 Difference]: Start difference. First operand has 84 places, 82 transitions, 176 flow. Second operand 2 states and 595 transitions. [2023-11-06 22:10:34,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 64 transitions, 198 flow [2023-11-06 22:10:34,396 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 64 transitions, 190 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-06 22:10:34,398 INFO L231 Difference]: Finished difference. Result has 66 places, 64 transitions, 132 flow [2023-11-06 22:10:34,401 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=649, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=132, PETRI_PLACES=66, PETRI_TRANSITIONS=64} [2023-11-06 22:10:34,405 INFO L281 CegarLoopForPetriNet]: 84 programPoint places, -18 predicate places. [2023-11-06 22:10:34,405 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 64 transitions, 132 flow [2023-11-06 22:10:34,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 275.5) internal successors, (551), 2 states have internal predecessors, (551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:34,406 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:10:34,406 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-11-06 22:10:34,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:10:34,407 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-06 22:10:34,418 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:34,418 INFO L85 PathProgramCache]: Analyzing trace with hash 33864267, now seen corresponding path program 1 times [2023-11-06 22:10:34,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:34,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003932489] [2023-11-06 22:10:34,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:34,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:34,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:34,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:10:34,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:34,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003932489] [2023-11-06 22:10:34,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003932489] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:34,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:34,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:10:34,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858080082] [2023-11-06 22:10:34,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:34,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:10:34,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:34,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:10:34,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:10:34,728 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 649 [2023-11-06 22:10:34,730 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 64 transitions, 132 flow. Second operand has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:34,730 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:10:34,730 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 649 [2023-11-06 22:10:34,731 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:10:35,110 INFO L124 PetriNetUnfolderBase]: 590/1105 cut-off events. [2023-11-06 22:10:35,110 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-06 22:10:35,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2113 conditions, 1105 events. 590/1105 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 5603 event pairs, 215 based on Foata normal form. 0/1006 useless extension candidates. Maximal degree in co-relation 2110. Up to 976 conditions per place. [2023-11-06 22:10:35,120 INFO L140 encePairwiseOnDemand]: 645/649 looper letters, 38 selfloop transitions, 2 changer transitions 2/75 dead transitions. [2023-11-06 22:10:35,123 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 75 transitions, 239 flow [2023-11-06 22:10:35,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:10:35,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:10:35,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 848 transitions. [2023-11-06 22:10:35,131 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43554185927067285 [2023-11-06 22:10:35,131 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 848 transitions. [2023-11-06 22:10:35,131 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 848 transitions. [2023-11-06 22:10:35,132 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:10:35,132 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 848 transitions. [2023-11-06 22:10:35,135 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 282.6666666666667) internal successors, (848), 3 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:35,141 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 649.0) internal successors, (2596), 4 states have internal predecessors, (2596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:35,143 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 649.0) internal successors, (2596), 4 states have internal predecessors, (2596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:35,144 INFO L175 Difference]: Start difference. First operand has 66 places, 64 transitions, 132 flow. Second operand 3 states and 848 transitions. [2023-11-06 22:10:35,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 75 transitions, 239 flow [2023-11-06 22:10:35,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 75 transitions, 239 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:10:35,147 INFO L231 Difference]: Finished difference. Result has 67 places, 63 transitions, 140 flow [2023-11-06 22:10:35,147 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=649, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=140, PETRI_PLACES=67, PETRI_TRANSITIONS=63} [2023-11-06 22:10:35,148 INFO L281 CegarLoopForPetriNet]: 84 programPoint places, -17 predicate places. [2023-11-06 22:10:35,148 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 63 transitions, 140 flow [2023-11-06 22:10:35,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:35,149 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:10:35,149 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:10:35,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:10:35,150 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-06 22:10:35,150 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:35,150 INFO L85 PathProgramCache]: Analyzing trace with hash -488621682, now seen corresponding path program 1 times [2023-11-06 22:10:35,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:35,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059429942] [2023-11-06 22:10:35,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:35,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:35,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:35,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:10:35,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:35,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059429942] [2023-11-06 22:10:35,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059429942] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:35,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:35,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:10:35,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517330538] [2023-11-06 22:10:35,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:35,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:10:35,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:35,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:10:35,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:10:36,321 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 649 [2023-11-06 22:10:36,324 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 63 transitions, 140 flow. Second operand has 6 states, 6 states have (on average 229.16666666666666) internal successors, (1375), 6 states have internal predecessors, (1375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:36,324 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:10:36,324 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 649 [2023-11-06 22:10:36,324 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:10:37,365 INFO L124 PetriNetUnfolderBase]: 1480/2865 cut-off events. [2023-11-06 22:10:37,365 INFO L125 PetriNetUnfolderBase]: For 283/283 co-relation queries the response was YES. [2023-11-06 22:10:37,371 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5668 conditions, 2865 events. 1480/2865 cut-off events. For 283/283 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 15856 event pairs, 1035 based on Foata normal form. 0/2770 useless extension candidates. Maximal degree in co-relation 5664. Up to 2213 conditions per place. [2023-11-06 22:10:37,386 INFO L140 encePairwiseOnDemand]: 636/649 looper letters, 69 selfloop transitions, 30 changer transitions 0/115 dead transitions. [2023-11-06 22:10:37,387 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 115 transitions, 482 flow [2023-11-06 22:10:37,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:10:37,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:10:37,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1458 transitions. [2023-11-06 22:10:37,394 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.37442218798151 [2023-11-06 22:10:37,394 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1458 transitions. [2023-11-06 22:10:37,394 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1458 transitions. [2023-11-06 22:10:37,396 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:10:37,396 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1458 transitions. [2023-11-06 22:10:37,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 243.0) internal successors, (1458), 6 states have internal predecessors, (1458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:37,410 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 649.0) internal successors, (4543), 7 states have internal predecessors, (4543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:37,414 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 649.0) internal successors, (4543), 7 states have internal predecessors, (4543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:37,414 INFO L175 Difference]: Start difference. First operand has 67 places, 63 transitions, 140 flow. Second operand 6 states and 1458 transitions. [2023-11-06 22:10:37,414 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 115 transitions, 482 flow [2023-11-06 22:10:37,418 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 115 transitions, 482 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:10:37,421 INFO L231 Difference]: Finished difference. Result has 75 places, 91 transitions, 311 flow [2023-11-06 22:10:37,422 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=649, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=311, PETRI_PLACES=75, PETRI_TRANSITIONS=91} [2023-11-06 22:10:37,423 INFO L281 CegarLoopForPetriNet]: 84 programPoint places, -9 predicate places. [2023-11-06 22:10:37,423 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 91 transitions, 311 flow [2023-11-06 22:10:37,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 229.16666666666666) internal successors, (1375), 6 states have internal predecessors, (1375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:37,425 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:10:37,426 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:10:37,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:10:37,427 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-06 22:10:37,428 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:37,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1447596747, now seen corresponding path program 1 times [2023-11-06 22:10:37,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:37,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483170666] [2023-11-06 22:10:37,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:37,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:37,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:37,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:10:37,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:37,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483170666] [2023-11-06 22:10:37,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483170666] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:37,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:37,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:10:37,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924526759] [2023-11-06 22:10:37,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:37,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:10:37,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:37,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:10:37,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:10:37,583 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 271 out of 649 [2023-11-06 22:10:37,584 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 91 transitions, 311 flow. Second operand has 3 states, 3 states have (on average 271.6666666666667) internal successors, (815), 3 states have internal predecessors, (815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:37,584 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:10:37,585 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 271 of 649 [2023-11-06 22:10:37,585 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:10:38,120 INFO L124 PetriNetUnfolderBase]: 833/2034 cut-off events. [2023-11-06 22:10:38,120 INFO L125 PetriNetUnfolderBase]: For 470/501 co-relation queries the response was YES. [2023-11-06 22:10:38,127 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4616 conditions, 2034 events. 833/2034 cut-off events. For 470/501 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 12678 event pairs, 557 based on Foata normal form. 0/1939 useless extension candidates. Maximal degree in co-relation 4607. Up to 1238 conditions per place. [2023-11-06 22:10:38,138 INFO L140 encePairwiseOnDemand]: 646/649 looper letters, 54 selfloop transitions, 2 changer transitions 0/92 dead transitions. [2023-11-06 22:10:38,139 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 92 transitions, 425 flow [2023-11-06 22:10:38,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:10:38,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:10:38,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 843 transitions. [2023-11-06 22:10:38,144 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43297380585516176 [2023-11-06 22:10:38,144 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 843 transitions. [2023-11-06 22:10:38,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 843 transitions. [2023-11-06 22:10:38,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:10:38,145 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 843 transitions. [2023-11-06 22:10:38,148 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 281.0) internal successors, (843), 3 states have internal predecessors, (843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:38,153 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 649.0) internal successors, (2596), 4 states have internal predecessors, (2596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:38,155 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 649.0) internal successors, (2596), 4 states have internal predecessors, (2596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:38,156 INFO L175 Difference]: Start difference. First operand has 75 places, 91 transitions, 311 flow. Second operand 3 states and 843 transitions. [2023-11-06 22:10:38,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 92 transitions, 425 flow [2023-11-06 22:10:38,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 92 transitions, 425 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:10:38,167 INFO L231 Difference]: Finished difference. Result has 78 places, 92 transitions, 323 flow [2023-11-06 22:10:38,167 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=649, PETRI_DIFFERENCE_MINUEND_FLOW=311, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=323, PETRI_PLACES=78, PETRI_TRANSITIONS=92} [2023-11-06 22:10:38,169 INFO L281 CegarLoopForPetriNet]: 84 programPoint places, -6 predicate places. [2023-11-06 22:10:38,169 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 92 transitions, 323 flow [2023-11-06 22:10:38,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 271.6666666666667) internal successors, (815), 3 states have internal predecessors, (815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:38,170 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:10:38,170 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:10:38,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:10:38,175 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-06 22:10:38,175 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:38,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1442331697, now seen corresponding path program 1 times [2023-11-06 22:10:38,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:38,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842909496] [2023-11-06 22:10:38,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:38,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:38,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:10:38,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:38,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842909496] [2023-11-06 22:10:38,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842909496] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:38,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:38,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:10:38,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694952834] [2023-11-06 22:10:38,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:38,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:10:38,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:38,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:10:38,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:10:39,272 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 649 [2023-11-06 22:10:39,275 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 92 transitions, 323 flow. Second operand has 6 states, 6 states have (on average 253.83333333333334) internal successors, (1523), 6 states have internal predecessors, (1523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:39,275 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:10:39,275 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 649 [2023-11-06 22:10:39,275 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:10:40,681 INFO L124 PetriNetUnfolderBase]: 1719/3393 cut-off events. [2023-11-06 22:10:40,681 INFO L125 PetriNetUnfolderBase]: For 1004/1005 co-relation queries the response was YES. [2023-11-06 22:10:40,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8452 conditions, 3393 events. 1719/3393 cut-off events. For 1004/1005 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 20042 event pairs, 961 based on Foata normal form. 1/3322 useless extension candidates. Maximal degree in co-relation 8441. Up to 2443 conditions per place. [2023-11-06 22:10:40,709 INFO L140 encePairwiseOnDemand]: 638/649 looper letters, 108 selfloop transitions, 22 changer transitions 0/149 dead transitions. [2023-11-06 22:10:40,710 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 149 transitions, 790 flow [2023-11-06 22:10:40,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:10:40,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:10:40,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1604 transitions. [2023-11-06 22:10:40,719 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41191576784797124 [2023-11-06 22:10:40,719 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1604 transitions. [2023-11-06 22:10:40,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1604 transitions. [2023-11-06 22:10:40,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:10:40,721 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1604 transitions. [2023-11-06 22:10:40,726 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 267.3333333333333) internal successors, (1604), 6 states have internal predecessors, (1604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:40,734 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 649.0) internal successors, (4543), 7 states have internal predecessors, (4543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:40,738 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 649.0) internal successors, (4543), 7 states have internal predecessors, (4543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:40,738 INFO L175 Difference]: Start difference. First operand has 78 places, 92 transitions, 323 flow. Second operand 6 states and 1604 transitions. [2023-11-06 22:10:40,738 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 149 transitions, 790 flow [2023-11-06 22:10:40,745 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 149 transitions, 788 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:10:40,749 INFO L231 Difference]: Finished difference. Result has 87 places, 113 transitions, 506 flow [2023-11-06 22:10:40,750 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=649, PETRI_DIFFERENCE_MINUEND_FLOW=321, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=506, PETRI_PLACES=87, PETRI_TRANSITIONS=113} [2023-11-06 22:10:40,752 INFO L281 CegarLoopForPetriNet]: 84 programPoint places, 3 predicate places. [2023-11-06 22:10:40,752 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 113 transitions, 506 flow [2023-11-06 22:10:40,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 253.83333333333334) internal successors, (1523), 6 states have internal predecessors, (1523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:40,754 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:10:40,754 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:10:40,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:10:40,758 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-06 22:10:40,759 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:40,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1646416502, now seen corresponding path program 1 times [2023-11-06 22:10:40,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:40,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796842166] [2023-11-06 22:10:40,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:40,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:40,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:41,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:10:41,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:41,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796842166] [2023-11-06 22:10:41,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796842166] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:41,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:41,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:10:41,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562858267] [2023-11-06 22:10:41,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:41,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:10:41,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:41,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:10:41,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:10:41,728 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 649 [2023-11-06 22:10:41,730 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 113 transitions, 506 flow. Second operand has 6 states, 6 states have (on average 229.5) internal successors, (1377), 6 states have internal predecessors, (1377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:41,730 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:10:41,730 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 649 [2023-11-06 22:10:41,730 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:10:43,354 INFO L124 PetriNetUnfolderBase]: 2017/3739 cut-off events. [2023-11-06 22:10:43,355 INFO L125 PetriNetUnfolderBase]: For 2483/2498 co-relation queries the response was YES. [2023-11-06 22:10:43,368 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10789 conditions, 3739 events. 2017/3739 cut-off events. For 2483/2498 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 21036 event pairs, 1122 based on Foata normal form. 0/3644 useless extension candidates. Maximal degree in co-relation 10774. Up to 2942 conditions per place. [2023-11-06 22:10:43,394 INFO L140 encePairwiseOnDemand]: 637/649 looper letters, 116 selfloop transitions, 29 changer transitions 0/165 dead transitions. [2023-11-06 22:10:43,394 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 165 transitions, 1020 flow [2023-11-06 22:10:43,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:10:43,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:10:43,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1458 transitions. [2023-11-06 22:10:43,402 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.37442218798151 [2023-11-06 22:10:43,402 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1458 transitions. [2023-11-06 22:10:43,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1458 transitions. [2023-11-06 22:10:43,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:10:43,404 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1458 transitions. [2023-11-06 22:10:43,407 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 243.0) internal successors, (1458), 6 states have internal predecessors, (1458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:43,414 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 649.0) internal successors, (4543), 7 states have internal predecessors, (4543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:43,416 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 649.0) internal successors, (4543), 7 states have internal predecessors, (4543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:43,416 INFO L175 Difference]: Start difference. First operand has 87 places, 113 transitions, 506 flow. Second operand 6 states and 1458 transitions. [2023-11-06 22:10:43,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 165 transitions, 1020 flow [2023-11-06 22:10:43,426 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 165 transitions, 1020 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:10:43,429 INFO L231 Difference]: Finished difference. Result has 96 places, 141 transitions, 754 flow [2023-11-06 22:10:43,430 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=649, PETRI_DIFFERENCE_MINUEND_FLOW=506, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=754, PETRI_PLACES=96, PETRI_TRANSITIONS=141} [2023-11-06 22:10:43,430 INFO L281 CegarLoopForPetriNet]: 84 programPoint places, 12 predicate places. [2023-11-06 22:10:43,431 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 141 transitions, 754 flow [2023-11-06 22:10:43,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 229.5) internal successors, (1377), 6 states have internal predecessors, (1377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:43,432 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:10:43,432 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:10:43,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:10:43,432 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-06 22:10:43,433 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:43,433 INFO L85 PathProgramCache]: Analyzing trace with hash 235521922, now seen corresponding path program 1 times [2023-11-06 22:10:43,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:43,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579344358] [2023-11-06 22:10:43,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:43,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:43,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:43,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:10:43,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:43,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579344358] [2023-11-06 22:10:43,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579344358] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:43,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:43,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:10:43,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891186390] [2023-11-06 22:10:43,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:43,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:10:43,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:43,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:10:43,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:10:43,571 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 271 out of 649 [2023-11-06 22:10:43,572 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 141 transitions, 754 flow. Second operand has 3 states, 3 states have (on average 274.0) internal successors, (822), 3 states have internal predecessors, (822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:43,573 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:10:43,573 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 271 of 649 [2023-11-06 22:10:43,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:10:44,032 INFO L124 PetriNetUnfolderBase]: 422/943 cut-off events. [2023-11-06 22:10:44,032 INFO L125 PetriNetUnfolderBase]: For 1287/1487 co-relation queries the response was YES. [2023-11-06 22:10:44,037 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3100 conditions, 943 events. 422/943 cut-off events. For 1287/1487 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 4888 event pairs, 183 based on Foata normal form. 0/902 useless extension candidates. Maximal degree in co-relation 3080. Up to 564 conditions per place. [2023-11-06 22:10:44,045 INFO L140 encePairwiseOnDemand]: 646/649 looper letters, 57 selfloop transitions, 2 changer transitions 0/94 dead transitions. [2023-11-06 22:10:44,045 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 94 transitions, 574 flow [2023-11-06 22:10:44,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:10:44,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:10:44,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 852 transitions. [2023-11-06 22:10:44,052 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43759630200308164 [2023-11-06 22:10:44,052 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 852 transitions. [2023-11-06 22:10:44,052 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 852 transitions. [2023-11-06 22:10:44,053 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:10:44,053 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 852 transitions. [2023-11-06 22:10:44,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 284.0) internal successors, (852), 3 states have internal predecessors, (852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:44,060 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 649.0) internal successors, (2596), 4 states have internal predecessors, (2596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:44,062 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 649.0) internal successors, (2596), 4 states have internal predecessors, (2596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:44,062 INFO L175 Difference]: Start difference. First operand has 96 places, 141 transitions, 754 flow. Second operand 3 states and 852 transitions. [2023-11-06 22:10:44,062 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 94 transitions, 574 flow [2023-11-06 22:10:44,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 94 transitions, 538 flow, removed 0 selfloop flow, removed 16 redundant places. [2023-11-06 22:10:44,069 INFO L231 Difference]: Finished difference. Result has 80 places, 82 transitions, 358 flow [2023-11-06 22:10:44,069 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=649, PETRI_DIFFERENCE_MINUEND_FLOW=354, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=358, PETRI_PLACES=80, PETRI_TRANSITIONS=82} [2023-11-06 22:10:44,070 INFO L281 CegarLoopForPetriNet]: 84 programPoint places, -4 predicate places. [2023-11-06 22:10:44,070 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 82 transitions, 358 flow [2023-11-06 22:10:44,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 274.0) internal successors, (822), 3 states have internal predecessors, (822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:44,071 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:10:44,071 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:10:44,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:10:44,072 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-06 22:10:44,072 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:44,072 INFO L85 PathProgramCache]: Analyzing trace with hash 572066459, now seen corresponding path program 1 times [2023-11-06 22:10:44,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:44,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374742108] [2023-11-06 22:10:44,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:44,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:44,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:44,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:10:44,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:44,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374742108] [2023-11-06 22:10:44,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374742108] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:44,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:44,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:10:44,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722134111] [2023-11-06 22:10:44,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:44,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:10:44,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:44,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:10:44,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:10:46,312 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 649 [2023-11-06 22:10:46,315 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 82 transitions, 358 flow. Second operand has 10 states, 10 states have (on average 244.4) internal successors, (2444), 10 states have internal predecessors, (2444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:46,316 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:10:46,316 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 649 [2023-11-06 22:10:46,316 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:10:47,624 INFO L124 PetriNetUnfolderBase]: 781/1425 cut-off events. [2023-11-06 22:10:47,625 INFO L125 PetriNetUnfolderBase]: For 1685/1686 co-relation queries the response was YES. [2023-11-06 22:10:47,629 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5102 conditions, 1425 events. 781/1425 cut-off events. For 1685/1686 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 6649 event pairs, 299 based on Foata normal form. 13/1429 useless extension candidates. Maximal degree in co-relation 5089. Up to 969 conditions per place. [2023-11-06 22:10:47,637 INFO L140 encePairwiseOnDemand]: 635/649 looper letters, 103 selfloop transitions, 36 changer transitions 0/156 dead transitions. [2023-11-06 22:10:47,638 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 156 transitions, 1057 flow [2023-11-06 22:10:47,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:10:47,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-06 22:10:47,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2288 transitions. [2023-11-06 22:10:47,649 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.391713747645951 [2023-11-06 22:10:47,649 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2288 transitions. [2023-11-06 22:10:47,649 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2288 transitions. [2023-11-06 22:10:47,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:10:47,652 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2288 transitions. [2023-11-06 22:10:47,658 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 254.22222222222223) internal successors, (2288), 9 states have internal predecessors, (2288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:47,669 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 649.0) internal successors, (6490), 10 states have internal predecessors, (6490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:47,672 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 649.0) internal successors, (6490), 10 states have internal predecessors, (6490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:47,672 INFO L175 Difference]: Start difference. First operand has 80 places, 82 transitions, 358 flow. Second operand 9 states and 2288 transitions. [2023-11-06 22:10:47,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 156 transitions, 1057 flow [2023-11-06 22:10:47,678 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 156 transitions, 1041 flow, removed 2 selfloop flow, removed 3 redundant places. [2023-11-06 22:10:47,682 INFO L231 Difference]: Finished difference. Result has 91 places, 109 transitions, 702 flow [2023-11-06 22:10:47,682 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=649, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=702, PETRI_PLACES=91, PETRI_TRANSITIONS=109} [2023-11-06 22:10:47,683 INFO L281 CegarLoopForPetriNet]: 84 programPoint places, 7 predicate places. [2023-11-06 22:10:47,683 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 109 transitions, 702 flow [2023-11-06 22:10:47,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 244.4) internal successors, (2444), 10 states have internal predecessors, (2444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:47,685 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:10:47,685 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:10:47,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:10:47,685 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-06 22:10:47,686 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:47,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1327374277, now seen corresponding path program 2 times [2023-11-06 22:10:47,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:47,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197468939] [2023-11-06 22:10:47,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:47,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:47,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:48,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:10:48,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:48,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197468939] [2023-11-06 22:10:48,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197468939] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:48,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:48,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:10:48,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50293318] [2023-11-06 22:10:48,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:48,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:10:48,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:48,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:10:48,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:10:49,683 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 649 [2023-11-06 22:10:49,686 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 109 transitions, 702 flow. Second operand has 10 states, 10 states have (on average 244.4) internal successors, (2444), 10 states have internal predecessors, (2444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:49,686 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:10:49,686 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 649 [2023-11-06 22:10:49,686 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:10:51,566 INFO L124 PetriNetUnfolderBase]: 829/1509 cut-off events. [2023-11-06 22:10:51,566 INFO L125 PetriNetUnfolderBase]: For 2949/2950 co-relation queries the response was YES. [2023-11-06 22:10:51,572 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6313 conditions, 1509 events. 829/1509 cut-off events. For 2949/2950 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 7097 event pairs, 264 based on Foata normal form. 13/1512 useless extension candidates. Maximal degree in co-relation 6295. Up to 910 conditions per place. [2023-11-06 22:10:51,586 INFO L140 encePairwiseOnDemand]: 635/649 looper letters, 86 selfloop transitions, 59 changer transitions 0/162 dead transitions. [2023-11-06 22:10:51,586 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 162 transitions, 1313 flow [2023-11-06 22:10:51,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:10:51,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-06 22:10:51,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 2043 transitions. [2023-11-06 22:10:51,596 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3934899845916795 [2023-11-06 22:10:51,597 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 2043 transitions. [2023-11-06 22:10:51,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 2043 transitions. [2023-11-06 22:10:51,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:10:51,599 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 2043 transitions. [2023-11-06 22:10:51,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 255.375) internal successors, (2043), 8 states have internal predecessors, (2043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:51,625 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 649.0) internal successors, (5841), 9 states have internal predecessors, (5841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:51,626 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 649.0) internal successors, (5841), 9 states have internal predecessors, (5841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:51,627 INFO L175 Difference]: Start difference. First operand has 91 places, 109 transitions, 702 flow. Second operand 8 states and 2043 transitions. [2023-11-06 22:10:51,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 162 transitions, 1313 flow [2023-11-06 22:10:51,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 162 transitions, 1292 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-11-06 22:10:51,643 INFO L231 Difference]: Finished difference. Result has 98 places, 123 transitions, 1043 flow [2023-11-06 22:10:51,643 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=649, PETRI_DIFFERENCE_MINUEND_FLOW=687, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1043, PETRI_PLACES=98, PETRI_TRANSITIONS=123} [2023-11-06 22:10:51,644 INFO L281 CegarLoopForPetriNet]: 84 programPoint places, 14 predicate places. [2023-11-06 22:10:51,644 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 123 transitions, 1043 flow [2023-11-06 22:10:51,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 244.4) internal successors, (2444), 10 states have internal predecessors, (2444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:51,646 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:10:51,646 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:10:51,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 22:10:51,647 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-06 22:10:51,647 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:51,647 INFO L85 PathProgramCache]: Analyzing trace with hash 572373359, now seen corresponding path program 3 times [2023-11-06 22:10:51,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:51,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751803314] [2023-11-06 22:10:51,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:51,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:51,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:52,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:10:52,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:52,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751803314] [2023-11-06 22:10:52,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751803314] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:52,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:52,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:10:52,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116633400] [2023-11-06 22:10:52,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:52,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:10:52,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:52,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:10:52,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:10:53,964 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 649 [2023-11-06 22:10:53,966 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 123 transitions, 1043 flow. Second operand has 10 states, 10 states have (on average 244.4) internal successors, (2444), 10 states have internal predecessors, (2444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:53,966 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:10:53,966 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 649 [2023-11-06 22:10:53,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:10:55,478 INFO L124 PetriNetUnfolderBase]: 873/1577 cut-off events. [2023-11-06 22:10:55,478 INFO L125 PetriNetUnfolderBase]: For 5301/5302 co-relation queries the response was YES. [2023-11-06 22:10:55,484 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7427 conditions, 1577 events. 873/1577 cut-off events. For 5301/5302 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 7510 event pairs, 308 based on Foata normal form. 13/1580 useless extension candidates. Maximal degree in co-relation 7407. Up to 1021 conditions per place. [2023-11-06 22:10:55,491 INFO L140 encePairwiseOnDemand]: 635/649 looper letters, 113 selfloop transitions, 52 changer transitions 0/182 dead transitions. [2023-11-06 22:10:55,492 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 182 transitions, 1776 flow [2023-11-06 22:10:55,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:10:55,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-06 22:10:55,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2539 transitions. [2023-11-06 22:10:55,504 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39121725731895224 [2023-11-06 22:10:55,504 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2539 transitions. [2023-11-06 22:10:55,504 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2539 transitions. [2023-11-06 22:10:55,507 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:10:55,507 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2539 transitions. [2023-11-06 22:10:55,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 253.9) internal successors, (2539), 10 states have internal predecessors, (2539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:55,523 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 649.0) internal successors, (7139), 11 states have internal predecessors, (7139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:55,525 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 649.0) internal successors, (7139), 11 states have internal predecessors, (7139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:55,525 INFO L175 Difference]: Start difference. First operand has 98 places, 123 transitions, 1043 flow. Second operand 10 states and 2539 transitions. [2023-11-06 22:10:55,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 182 transitions, 1776 flow [2023-11-06 22:10:55,541 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 182 transitions, 1726 flow, removed 2 selfloop flow, removed 4 redundant places. [2023-11-06 22:10:55,544 INFO L231 Difference]: Finished difference. Result has 106 places, 131 transitions, 1269 flow [2023-11-06 22:10:55,545 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=649, PETRI_DIFFERENCE_MINUEND_FLOW=1004, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1269, PETRI_PLACES=106, PETRI_TRANSITIONS=131} [2023-11-06 22:10:55,546 INFO L281 CegarLoopForPetriNet]: 84 programPoint places, 22 predicate places. [2023-11-06 22:10:55,546 INFO L495 AbstractCegarLoop]: Abstraction has has 106 places, 131 transitions, 1269 flow [2023-11-06 22:10:55,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 244.4) internal successors, (2444), 10 states have internal predecessors, (2444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:55,547 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:10:55,547 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:10:55,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-06 22:10:55,547 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-06 22:10:55,548 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:55,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1319658067, now seen corresponding path program 4 times [2023-11-06 22:10:55,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:55,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464816684] [2023-11-06 22:10:55,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:55,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:55,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:56,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:10:56,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:56,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464816684] [2023-11-06 22:10:56,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464816684] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:56,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:56,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:10:56,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460516687] [2023-11-06 22:10:56,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:56,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:10:56,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:56,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:10:56,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:10:57,652 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 649 [2023-11-06 22:10:57,654 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 131 transitions, 1269 flow. Second operand has 10 states, 10 states have (on average 244.4) internal successors, (2444), 10 states have internal predecessors, (2444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:57,654 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:10:57,654 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 649 [2023-11-06 22:10:57,655 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:10:59,487 INFO L124 PetriNetUnfolderBase]: 954/1712 cut-off events. [2023-11-06 22:10:59,487 INFO L125 PetriNetUnfolderBase]: For 8914/8915 co-relation queries the response was YES. [2023-11-06 22:10:59,494 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9085 conditions, 1712 events. 954/1712 cut-off events. For 8914/8915 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 8279 event pairs, 285 based on Foata normal form. 13/1715 useless extension candidates. Maximal degree in co-relation 9062. Up to 1002 conditions per place. [2023-11-06 22:10:59,503 INFO L140 encePairwiseOnDemand]: 635/649 looper letters, 96 selfloop transitions, 81 changer transitions 0/194 dead transitions. [2023-11-06 22:10:59,504 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 194 transitions, 2140 flow [2023-11-06 22:10:59,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:10:59,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-06 22:10:59,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2293 transitions. [2023-11-06 22:10:59,513 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3925697654511214 [2023-11-06 22:10:59,514 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2293 transitions. [2023-11-06 22:10:59,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2293 transitions. [2023-11-06 22:10:59,516 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:10:59,516 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2293 transitions. [2023-11-06 22:10:59,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 254.77777777777777) internal successors, (2293), 9 states have internal predecessors, (2293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:59,531 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 649.0) internal successors, (6490), 10 states have internal predecessors, (6490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:59,533 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 649.0) internal successors, (6490), 10 states have internal predecessors, (6490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:59,533 INFO L175 Difference]: Start difference. First operand has 106 places, 131 transitions, 1269 flow. Second operand 9 states and 2293 transitions. [2023-11-06 22:10:59,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 194 transitions, 2140 flow [2023-11-06 22:10:59,559 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 194 transitions, 2060 flow, removed 10 selfloop flow, removed 6 redundant places. [2023-11-06 22:10:59,563 INFO L231 Difference]: Finished difference. Result has 111 places, 153 transitions, 1820 flow [2023-11-06 22:10:59,564 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=649, PETRI_DIFFERENCE_MINUEND_FLOW=1201, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1820, PETRI_PLACES=111, PETRI_TRANSITIONS=153} [2023-11-06 22:10:59,564 INFO L281 CegarLoopForPetriNet]: 84 programPoint places, 27 predicate places. [2023-11-06 22:10:59,564 INFO L495 AbstractCegarLoop]: Abstraction has has 111 places, 153 transitions, 1820 flow [2023-11-06 22:10:59,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 244.4) internal successors, (2444), 10 states have internal predecessors, (2444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:59,565 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:10:59,566 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:10:59,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-06 22:10:59,566 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-06 22:10:59,566 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:59,567 INFO L85 PathProgramCache]: Analyzing trace with hash 586817189, now seen corresponding path program 5 times [2023-11-06 22:10:59,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:59,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611552550] [2023-11-06 22:10:59,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:59,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:59,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:00,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:11:00,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:11:00,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611552550] [2023-11-06 22:11:00,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611552550] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:11:00,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:11:00,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:11:00,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950650940] [2023-11-06 22:11:00,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:11:00,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:11:00,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:11:00,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:11:00,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:11:01,582 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 649 [2023-11-06 22:11:01,584 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 153 transitions, 1820 flow. Second operand has 10 states, 10 states have (on average 244.4) internal successors, (2444), 10 states have internal predecessors, (2444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:01,584 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:11:01,584 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 649 [2023-11-06 22:11:01,585 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:11:03,349 INFO L124 PetriNetUnfolderBase]: 1020/1814 cut-off events. [2023-11-06 22:11:03,350 INFO L125 PetriNetUnfolderBase]: For 13273/13274 co-relation queries the response was YES. [2023-11-06 22:11:03,356 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10642 conditions, 1814 events. 1020/1814 cut-off events. For 13273/13274 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 8958 event pairs, 317 based on Foata normal form. 13/1817 useless extension candidates. Maximal degree in co-relation 10616. Up to 1123 conditions per place. [2023-11-06 22:11:03,366 INFO L140 encePairwiseOnDemand]: 635/649 looper letters, 130 selfloop transitions, 73 changer transitions 0/220 dead transitions. [2023-11-06 22:11:03,366 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 220 transitions, 2793 flow [2023-11-06 22:11:03,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:11:03,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-06 22:11:03,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2790 transitions. [2023-11-06 22:11:03,377 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39081103796049865 [2023-11-06 22:11:03,377 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2790 transitions. [2023-11-06 22:11:03,377 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2790 transitions. [2023-11-06 22:11:03,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:11:03,379 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2790 transitions. [2023-11-06 22:11:03,386 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 253.63636363636363) internal successors, (2790), 11 states have internal predecessors, (2790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:03,397 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 649.0) internal successors, (7788), 12 states have internal predecessors, (7788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:03,399 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 649.0) internal successors, (7788), 12 states have internal predecessors, (7788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:03,399 INFO L175 Difference]: Start difference. First operand has 111 places, 153 transitions, 1820 flow. Second operand 11 states and 2790 transitions. [2023-11-06 22:11:03,399 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 220 transitions, 2793 flow [2023-11-06 22:11:03,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 220 transitions, 2724 flow, removed 19 selfloop flow, removed 3 redundant places. [2023-11-06 22:11:03,446 INFO L231 Difference]: Finished difference. Result has 122 places, 167 transitions, 2237 flow [2023-11-06 22:11:03,447 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=649, PETRI_DIFFERENCE_MINUEND_FLOW=1758, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=2237, PETRI_PLACES=122, PETRI_TRANSITIONS=167} [2023-11-06 22:11:03,447 INFO L281 CegarLoopForPetriNet]: 84 programPoint places, 38 predicate places. [2023-11-06 22:11:03,448 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 167 transitions, 2237 flow [2023-11-06 22:11:03,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 244.4) internal successors, (2444), 10 states have internal predecessors, (2444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:03,449 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:11:03,449 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:11:03,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-06 22:11:03,449 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-06 22:11:03,449 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:11:03,450 INFO L85 PathProgramCache]: Analyzing trace with hash -937448527, now seen corresponding path program 6 times [2023-11-06 22:11:03,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:11:03,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125044954] [2023-11-06 22:11:03,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:11:03,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:11:03,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:03,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:11:03,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:11:03,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125044954] [2023-11-06 22:11:03,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125044954] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:11:03,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:11:03,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:11:03,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926883736] [2023-11-06 22:11:03,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:11:03,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:11:03,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:11:03,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:11:03,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:11:05,266 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 649 [2023-11-06 22:11:05,268 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 167 transitions, 2237 flow. Second operand has 10 states, 10 states have (on average 244.4) internal successors, (2444), 10 states have internal predecessors, (2444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:05,269 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:11:05,269 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 649 [2023-11-06 22:11:05,269 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:11:07,061 INFO L124 PetriNetUnfolderBase]: 1178/2068 cut-off events. [2023-11-06 22:11:07,061 INFO L125 PetriNetUnfolderBase]: For 21768/21769 co-relation queries the response was YES. [2023-11-06 22:11:07,068 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13481 conditions, 2068 events. 1178/2068 cut-off events. For 21768/21769 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 10405 event pairs, 330 based on Foata normal form. 13/2071 useless extension candidates. Maximal degree in co-relation 13451. Up to 1160 conditions per place. [2023-11-06 22:11:07,081 INFO L140 encePairwiseOnDemand]: 635/649 looper letters, 109 selfloop transitions, 110 changer transitions 0/236 dead transitions. [2023-11-06 22:11:07,081 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 236 transitions, 3451 flow [2023-11-06 22:11:07,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:11:07,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-06 22:11:07,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2294 transitions. [2023-11-06 22:11:07,090 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39274096901215544 [2023-11-06 22:11:07,090 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2294 transitions. [2023-11-06 22:11:07,090 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2294 transitions. [2023-11-06 22:11:07,092 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:11:07,092 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2294 transitions. [2023-11-06 22:11:07,098 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 254.88888888888889) internal successors, (2294), 9 states have internal predecessors, (2294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:07,107 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 649.0) internal successors, (6490), 10 states have internal predecessors, (6490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:07,108 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 649.0) internal successors, (6490), 10 states have internal predecessors, (6490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:07,109 INFO L175 Difference]: Start difference. First operand has 122 places, 167 transitions, 2237 flow. Second operand 9 states and 2294 transitions. [2023-11-06 22:11:07,109 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 236 transitions, 3451 flow [2023-11-06 22:11:07,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 236 transitions, 3304 flow, removed 36 selfloop flow, removed 6 redundant places. [2023-11-06 22:11:07,216 INFO L231 Difference]: Finished difference. Result has 128 places, 198 transitions, 3032 flow [2023-11-06 22:11:07,216 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=649, PETRI_DIFFERENCE_MINUEND_FLOW=2109, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=84, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3032, PETRI_PLACES=128, PETRI_TRANSITIONS=198} [2023-11-06 22:11:07,217 INFO L281 CegarLoopForPetriNet]: 84 programPoint places, 44 predicate places. [2023-11-06 22:11:07,217 INFO L495 AbstractCegarLoop]: Abstraction has has 128 places, 198 transitions, 3032 flow [2023-11-06 22:11:07,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 244.4) internal successors, (2444), 10 states have internal predecessors, (2444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:07,218 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:11:07,218 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:11:07,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-06 22:11:07,219 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-06 22:11:07,219 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:11:07,219 INFO L85 PathProgramCache]: Analyzing trace with hash 913028639, now seen corresponding path program 7 times [2023-11-06 22:11:07,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:11:07,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043286031] [2023-11-06 22:11:07,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:11:07,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:11:07,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:07,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:11:07,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:11:07,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043286031] [2023-11-06 22:11:07,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043286031] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:11:07,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:11:07,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:11:07,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400863903] [2023-11-06 22:11:07,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:11:07,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:11:07,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:11:07,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:11:07,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:11:08,880 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 649 [2023-11-06 22:11:08,883 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 198 transitions, 3032 flow. Second operand has 10 states, 10 states have (on average 244.4) internal successors, (2444), 10 states have internal predecessors, (2444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:08,883 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:11:08,883 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 649 [2023-11-06 22:11:08,883 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:11:10,519 INFO L124 PetriNetUnfolderBase]: 1184/2080 cut-off events. [2023-11-06 22:11:10,519 INFO L125 PetriNetUnfolderBase]: For 27233/27234 co-relation queries the response was YES. [2023-11-06 22:11:10,529 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14616 conditions, 2080 events. 1184/2080 cut-off events. For 27233/27234 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 10542 event pairs, 188 based on Foata normal form. 25/2095 useless extension candidates. Maximal degree in co-relation 14582. Up to 942 conditions per place. [2023-11-06 22:11:10,540 INFO L140 encePairwiseOnDemand]: 635/649 looper letters, 108 selfloop transitions, 162 changer transitions 0/287 dead transitions. [2023-11-06 22:11:10,541 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 287 transitions, 4456 flow [2023-11-06 22:11:10,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 22:11:10,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-06 22:11:10,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 3047 transitions. [2023-11-06 22:11:10,552 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3912429378531073 [2023-11-06 22:11:10,552 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 3047 transitions. [2023-11-06 22:11:10,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 3047 transitions. [2023-11-06 22:11:10,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:11:10,555 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 3047 transitions. [2023-11-06 22:11:10,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 253.91666666666666) internal successors, (3047), 12 states have internal predecessors, (3047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:10,571 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 649.0) internal successors, (8437), 13 states have internal predecessors, (8437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:10,574 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 649.0) internal successors, (8437), 13 states have internal predecessors, (8437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:10,574 INFO L175 Difference]: Start difference. First operand has 128 places, 198 transitions, 3032 flow. Second operand 12 states and 3047 transitions. [2023-11-06 22:11:10,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 287 transitions, 4456 flow [2023-11-06 22:11:10,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 287 transitions, 4352 flow, removed 44 selfloop flow, removed 2 redundant places. [2023-11-06 22:11:10,667 INFO L231 Difference]: Finished difference. Result has 142 places, 232 transitions, 4112 flow [2023-11-06 22:11:10,667 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=649, PETRI_DIFFERENCE_MINUEND_FLOW=2955, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=131, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=4112, PETRI_PLACES=142, PETRI_TRANSITIONS=232} [2023-11-06 22:11:10,668 INFO L281 CegarLoopForPetriNet]: 84 programPoint places, 58 predicate places. [2023-11-06 22:11:10,668 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 232 transitions, 4112 flow [2023-11-06 22:11:10,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 244.4) internal successors, (2444), 10 states have internal predecessors, (2444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:10,669 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:11:10,669 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:11:10,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-06 22:11:10,670 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-06 22:11:10,670 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:11:10,670 INFO L85 PathProgramCache]: Analyzing trace with hash 811340570, now seen corresponding path program 1 times [2023-11-06 22:11:10,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:11:10,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245401542] [2023-11-06 22:11:10,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:11:10,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:11:10,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:11,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:11:11,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:11:11,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245401542] [2023-11-06 22:11:11,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245401542] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:11:11,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:11:11,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:11:11,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026415862] [2023-11-06 22:11:11,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:11:11,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:11:11,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:11:11,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:11:11,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:11:12,375 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 649 [2023-11-06 22:11:12,378 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 232 transitions, 4112 flow. Second operand has 10 states, 10 states have (on average 244.4) internal successors, (2444), 10 states have internal predecessors, (2444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:12,378 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:11:12,378 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 649 [2023-11-06 22:11:12,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:11:13,999 INFO L124 PetriNetUnfolderBase]: 1280/2252 cut-off events. [2023-11-06 22:11:13,999 INFO L125 PetriNetUnfolderBase]: For 41776/41777 co-relation queries the response was YES. [2023-11-06 22:11:14,014 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17679 conditions, 2252 events. 1280/2252 cut-off events. For 41776/41777 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 11658 event pairs, 414 based on Foata normal form. 13/2252 useless extension candidates. Maximal degree in co-relation 17640. Up to 1515 conditions per place. [2023-11-06 22:11:14,027 INFO L140 encePairwiseOnDemand]: 635/649 looper letters, 250 selfloop transitions, 148 changer transitions 0/415 dead transitions. [2023-11-06 22:11:14,028 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 415 transitions, 8151 flow [2023-11-06 22:11:14,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:11:14,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-06 22:11:14,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2292 transitions. [2023-11-06 22:11:14,035 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3923985618900873 [2023-11-06 22:11:14,035 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2292 transitions. [2023-11-06 22:11:14,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2292 transitions. [2023-11-06 22:11:14,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:11:14,037 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2292 transitions. [2023-11-06 22:11:14,041 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 254.66666666666666) internal successors, (2292), 9 states have internal predecessors, (2292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:14,048 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 649.0) internal successors, (6490), 10 states have internal predecessors, (6490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:14,049 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 649.0) internal successors, (6490), 10 states have internal predecessors, (6490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:14,049 INFO L175 Difference]: Start difference. First operand has 142 places, 232 transitions, 4112 flow. Second operand 9 states and 2292 transitions. [2023-11-06 22:11:14,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 415 transitions, 8151 flow [2023-11-06 22:11:14,212 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 415 transitions, 7666 flow, removed 138 selfloop flow, removed 3 redundant places. [2023-11-06 22:11:14,223 INFO L231 Difference]: Finished difference. Result has 154 places, 313 transitions, 6093 flow [2023-11-06 22:11:14,223 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=649, PETRI_DIFFERENCE_MINUEND_FLOW=3847, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=73, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=6093, PETRI_PLACES=154, PETRI_TRANSITIONS=313} [2023-11-06 22:11:14,226 INFO L281 CegarLoopForPetriNet]: 84 programPoint places, 70 predicate places. [2023-11-06 22:11:14,227 INFO L495 AbstractCegarLoop]: Abstraction has has 154 places, 313 transitions, 6093 flow [2023-11-06 22:11:14,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 244.4) internal successors, (2444), 10 states have internal predecessors, (2444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:14,228 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:11:14,228 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:11:14,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-06 22:11:14,228 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-06 22:11:14,229 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:11:14,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1956041906, now seen corresponding path program 2 times [2023-11-06 22:11:14,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:11:14,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133865470] [2023-11-06 22:11:14,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:11:14,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:11:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:14,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:11:14,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:11:14,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133865470] [2023-11-06 22:11:14,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133865470] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:11:14,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:11:14,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:11:14,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883064004] [2023-11-06 22:11:14,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:11:14,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:11:14,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:11:14,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:11:14,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:11:16,139 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 649 [2023-11-06 22:11:16,140 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 313 transitions, 6093 flow. Second operand has 10 states, 10 states have (on average 244.4) internal successors, (2444), 10 states have internal predecessors, (2444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:16,141 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:11:16,141 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 649 [2023-11-06 22:11:16,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:11:17,870 INFO L124 PetriNetUnfolderBase]: 1348/2378 cut-off events. [2023-11-06 22:11:17,870 INFO L125 PetriNetUnfolderBase]: For 46644/46645 co-relation queries the response was YES. [2023-11-06 22:11:17,881 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18977 conditions, 2378 events. 1348/2378 cut-off events. For 46644/46645 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 12430 event pairs, 413 based on Foata normal form. 13/2377 useless extension candidates. Maximal degree in co-relation 18933. Up to 1530 conditions per place. [2023-11-06 22:11:17,895 INFO L140 encePairwiseOnDemand]: 635/649 looper letters, 179 selfloop transitions, 194 changer transitions 0/390 dead transitions. [2023-11-06 22:11:17,896 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 390 transitions, 7977 flow [2023-11-06 22:11:17,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:11:17,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-06 22:11:17,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 2046 transitions. [2023-11-06 22:11:17,901 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3940677966101695 [2023-11-06 22:11:17,901 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 2046 transitions. [2023-11-06 22:11:17,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 2046 transitions. [2023-11-06 22:11:17,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:11:17,902 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 2046 transitions. [2023-11-06 22:11:17,905 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 255.75) internal successors, (2046), 8 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:17,911 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 649.0) internal successors, (5841), 9 states have internal predecessors, (5841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:17,913 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 649.0) internal successors, (5841), 9 states have internal predecessors, (5841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:17,913 INFO L175 Difference]: Start difference. First operand has 154 places, 313 transitions, 6093 flow. Second operand 8 states and 2046 transitions. [2023-11-06 22:11:17,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 390 transitions, 7977 flow [2023-11-06 22:11:18,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 390 transitions, 7821 flow, removed 6 selfloop flow, removed 3 redundant places. [2023-11-06 22:11:18,114 INFO L231 Difference]: Finished difference. Result has 160 places, 346 transitions, 7463 flow [2023-11-06 22:11:18,114 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=649, PETRI_DIFFERENCE_MINUEND_FLOW=5966, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=161, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=7463, PETRI_PLACES=160, PETRI_TRANSITIONS=346} [2023-11-06 22:11:18,115 INFO L281 CegarLoopForPetriNet]: 84 programPoint places, 76 predicate places. [2023-11-06 22:11:18,115 INFO L495 AbstractCegarLoop]: Abstraction has has 160 places, 346 transitions, 7463 flow [2023-11-06 22:11:18,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 244.4) internal successors, (2444), 10 states have internal predecessors, (2444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:18,115 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:11:18,116 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:11:18,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-06 22:11:18,116 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-06 22:11:18,116 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:11:18,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1103357780, now seen corresponding path program 3 times [2023-11-06 22:11:18,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:11:18,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108528720] [2023-11-06 22:11:18,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:11:18,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:11:18,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:18,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:11:18,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:11:18,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108528720] [2023-11-06 22:11:18,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108528720] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:11:18,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:11:18,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:11:18,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254868735] [2023-11-06 22:11:18,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:11:18,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:11:18,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:11:18,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:11:18,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:11:19,744 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 649 [2023-11-06 22:11:19,747 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 346 transitions, 7463 flow. Second operand has 10 states, 10 states have (on average 244.4) internal successors, (2444), 10 states have internal predecessors, (2444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:19,747 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:11:19,747 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 649 [2023-11-06 22:11:19,748 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:11:21,463 INFO L124 PetriNetUnfolderBase]: 1376/2430 cut-off events. [2023-11-06 22:11:21,464 INFO L125 PetriNetUnfolderBase]: For 53851/53852 co-relation queries the response was YES. [2023-11-06 22:11:21,480 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20371 conditions, 2430 events. 1376/2430 cut-off events. For 53851/53852 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 12823 event pairs, 303 based on Foata normal form. 13/2428 useless extension candidates. Maximal degree in co-relation 20326. Up to 1158 conditions per place. [2023-11-06 22:11:21,496 INFO L140 encePairwiseOnDemand]: 635/649 looper letters, 201 selfloop transitions, 271 changer transitions 0/489 dead transitions. [2023-11-06 22:11:21,496 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 489 transitions, 10519 flow [2023-11-06 22:11:21,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 22:11:21,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-06 22:11:21,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 3051 transitions. [2023-11-06 22:11:21,502 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39175654853620956 [2023-11-06 22:11:21,502 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 3051 transitions. [2023-11-06 22:11:21,502 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 3051 transitions. [2023-11-06 22:11:21,503 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:11:21,503 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 3051 transitions. [2023-11-06 22:11:21,508 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 254.25) internal successors, (3051), 12 states have internal predecessors, (3051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:21,516 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 649.0) internal successors, (8437), 13 states have internal predecessors, (8437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:21,517 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 649.0) internal successors, (8437), 13 states have internal predecessors, (8437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:21,517 INFO L175 Difference]: Start difference. First operand has 160 places, 346 transitions, 7463 flow. Second operand 12 states and 3051 transitions. [2023-11-06 22:11:21,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 489 transitions, 10519 flow [2023-11-06 22:11:21,724 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 489 transitions, 10437 flow, removed 2 selfloop flow, removed 3 redundant places. [2023-11-06 22:11:21,738 INFO L231 Difference]: Finished difference. Result has 173 places, 402 transitions, 9437 flow [2023-11-06 22:11:21,738 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=649, PETRI_DIFFERENCE_MINUEND_FLOW=7398, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=346, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=221, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=9437, PETRI_PLACES=173, PETRI_TRANSITIONS=402} [2023-11-06 22:11:21,739 INFO L281 CegarLoopForPetriNet]: 84 programPoint places, 89 predicate places. [2023-11-06 22:11:21,739 INFO L495 AbstractCegarLoop]: Abstraction has has 173 places, 402 transitions, 9437 flow [2023-11-06 22:11:21,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 244.4) internal successors, (2444), 10 states have internal predecessors, (2444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:21,740 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:11:21,740 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:11:21,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-06 22:11:21,740 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-06 22:11:21,741 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:11:21,741 INFO L85 PathProgramCache]: Analyzing trace with hash 648879098, now seen corresponding path program 1 times [2023-11-06 22:11:21,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:11:21,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416572974] [2023-11-06 22:11:21,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:11:21,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:11:21,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:22,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:11:22,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:11:22,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416572974] [2023-11-06 22:11:22,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416572974] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:11:22,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:11:22,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:11:22,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220185623] [2023-11-06 22:11:22,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:11:22,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:11:22,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:11:22,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:11:22,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:11:23,471 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 649 [2023-11-06 22:11:23,473 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 402 transitions, 9437 flow. Second operand has 10 states, 10 states have (on average 242.6) internal successors, (2426), 10 states have internal predecessors, (2426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:23,473 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:11:23,474 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 649 [2023-11-06 22:11:23,474 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:11:25,681 INFO L124 PetriNetUnfolderBase]: 1402/2505 cut-off events. [2023-11-06 22:11:25,681 INFO L125 PetriNetUnfolderBase]: For 62386/62386 co-relation queries the response was YES. [2023-11-06 22:11:25,698 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22522 conditions, 2505 events. 1402/2505 cut-off events. For 62386/62386 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 13538 event pairs, 148 based on Foata normal form. 6/2494 useless extension candidates. Maximal degree in co-relation 22472. Up to 1161 conditions per place. [2023-11-06 22:11:25,714 INFO L140 encePairwiseOnDemand]: 636/649 looper letters, 336 selfloop transitions, 183 changer transitions 0/536 dead transitions. [2023-11-06 22:11:25,714 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 536 transitions, 12500 flow [2023-11-06 22:11:25,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:11:25,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-06 22:11:25,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2783 transitions. [2023-11-06 22:11:25,720 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3898305084745763 [2023-11-06 22:11:25,720 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2783 transitions. [2023-11-06 22:11:25,720 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2783 transitions. [2023-11-06 22:11:25,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:11:25,722 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2783 transitions. [2023-11-06 22:11:25,726 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 253.0) internal successors, (2783), 11 states have internal predecessors, (2783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:25,732 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 649.0) internal successors, (7788), 12 states have internal predecessors, (7788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:25,733 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 649.0) internal successors, (7788), 12 states have internal predecessors, (7788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:25,733 INFO L175 Difference]: Start difference. First operand has 173 places, 402 transitions, 9437 flow. Second operand 11 states and 2783 transitions. [2023-11-06 22:11:25,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 536 transitions, 12500 flow [2023-11-06 22:11:26,025 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 536 transitions, 12087 flow, removed 111 selfloop flow, removed 3 redundant places. [2023-11-06 22:11:26,038 INFO L231 Difference]: Finished difference. Result has 186 places, 454 transitions, 11083 flow [2023-11-06 22:11:26,038 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=649, PETRI_DIFFERENCE_MINUEND_FLOW=9117, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=402, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=136, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=11083, PETRI_PLACES=186, PETRI_TRANSITIONS=454} [2023-11-06 22:11:26,039 INFO L281 CegarLoopForPetriNet]: 84 programPoint places, 102 predicate places. [2023-11-06 22:11:26,039 INFO L495 AbstractCegarLoop]: Abstraction has has 186 places, 454 transitions, 11083 flow [2023-11-06 22:11:26,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 242.6) internal successors, (2426), 10 states have internal predecessors, (2426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:26,039 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:11:26,039 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:11:26,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-06 22:11:26,039 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-06 22:11:26,040 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:11:26,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1201606758, now seen corresponding path program 2 times [2023-11-06 22:11:26,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:11:26,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838559369] [2023-11-06 22:11:26,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:11:26,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:11:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:26,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:11:26,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:11:26,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838559369] [2023-11-06 22:11:26,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838559369] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:11:26,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:11:26,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:11:26,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892097100] [2023-11-06 22:11:26,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:11:26,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:11:26,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:11:26,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:11:26,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:11:28,322 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 649 [2023-11-06 22:11:28,324 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 454 transitions, 11083 flow. Second operand has 11 states, 11 states have (on average 242.45454545454547) internal successors, (2667), 11 states have internal predecessors, (2667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:28,325 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:11:28,325 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 649 [2023-11-06 22:11:28,325 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:11:31,308 INFO L124 PetriNetUnfolderBase]: 1575/2920 cut-off events. [2023-11-06 22:11:31,308 INFO L125 PetriNetUnfolderBase]: For 80338/80338 co-relation queries the response was YES. [2023-11-06 22:11:31,334 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26313 conditions, 2920 events. 1575/2920 cut-off events. For 80338/80338 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 16905 event pairs, 355 based on Foata normal form. 6/2896 useless extension candidates. Maximal degree in co-relation 26258. Up to 1566 conditions per place. [2023-11-06 22:11:31,354 INFO L140 encePairwiseOnDemand]: 635/649 looper letters, 328 selfloop transitions, 213 changer transitions 0/558 dead transitions. [2023-11-06 22:11:31,354 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 558 transitions, 13768 flow [2023-11-06 22:11:31,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:11:31,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-06 22:11:31,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2780 transitions. [2023-11-06 22:11:31,357 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3894102815520381 [2023-11-06 22:11:31,358 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2780 transitions. [2023-11-06 22:11:31,358 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2780 transitions. [2023-11-06 22:11:31,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:11:31,358 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2780 transitions. [2023-11-06 22:11:31,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 252.72727272727272) internal successors, (2780), 11 states have internal predecessors, (2780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:31,368 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 649.0) internal successors, (7788), 12 states have internal predecessors, (7788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:31,370 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 649.0) internal successors, (7788), 12 states have internal predecessors, (7788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:31,370 INFO L175 Difference]: Start difference. First operand has 186 places, 454 transitions, 11083 flow. Second operand 11 states and 2780 transitions. [2023-11-06 22:11:31,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 558 transitions, 13768 flow [2023-11-06 22:11:31,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 558 transitions, 13702 flow, removed 32 selfloop flow, removed 1 redundant places. [2023-11-06 22:11:31,705 INFO L231 Difference]: Finished difference. Result has 201 places, 492 transitions, 12838 flow [2023-11-06 22:11:31,705 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=649, PETRI_DIFFERENCE_MINUEND_FLOW=11021, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=454, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=179, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=12838, PETRI_PLACES=201, PETRI_TRANSITIONS=492} [2023-11-06 22:11:31,705 INFO L281 CegarLoopForPetriNet]: 84 programPoint places, 117 predicate places. [2023-11-06 22:11:31,706 INFO L495 AbstractCegarLoop]: Abstraction has has 201 places, 492 transitions, 12838 flow [2023-11-06 22:11:31,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 242.45454545454547) internal successors, (2667), 11 states have internal predecessors, (2667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:31,706 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:11:31,706 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:11:31,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-06 22:11:31,707 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-06 22:11:31,707 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:11:31,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1094307200, now seen corresponding path program 3 times [2023-11-06 22:11:31,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:11:31,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436694253] [2023-11-06 22:11:31,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:11:31,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:11:31,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:32,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:11:32,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:11:32,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436694253] [2023-11-06 22:11:32,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436694253] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:11:32,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:11:32,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:11:32,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66574808] [2023-11-06 22:11:32,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:11:32,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:11:32,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:11:32,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:11:32,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:11:33,866 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 649 [2023-11-06 22:11:33,869 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 492 transitions, 12838 flow. Second operand has 11 states, 11 states have (on average 242.45454545454547) internal successors, (2667), 11 states have internal predecessors, (2667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:33,869 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:11:33,869 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 649 [2023-11-06 22:11:33,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:11:37,076 INFO L124 PetriNetUnfolderBase]: 1625/3122 cut-off events. [2023-11-06 22:11:37,077 INFO L125 PetriNetUnfolderBase]: For 99006/99006 co-relation queries the response was YES. [2023-11-06 22:11:37,093 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28995 conditions, 3122 events. 1625/3122 cut-off events. For 99006/99006 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 18973 event pairs, 462 based on Foata normal form. 6/3085 useless extension candidates. Maximal degree in co-relation 28934. Up to 1949 conditions per place. [2023-11-06 22:11:37,112 INFO L140 encePairwiseOnDemand]: 635/649 looper letters, 341 selfloop transitions, 198 changer transitions 0/556 dead transitions. [2023-11-06 22:11:37,112 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 556 transitions, 14803 flow [2023-11-06 22:11:37,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:11:37,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-06 22:11:37,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2523 transitions. [2023-11-06 22:11:37,117 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38875192604006165 [2023-11-06 22:11:37,117 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2523 transitions. [2023-11-06 22:11:37,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2523 transitions. [2023-11-06 22:11:37,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:11:37,118 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2523 transitions. [2023-11-06 22:11:37,122 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 252.3) internal successors, (2523), 10 states have internal predecessors, (2523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:37,128 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 649.0) internal successors, (7139), 11 states have internal predecessors, (7139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:37,129 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 649.0) internal successors, (7139), 11 states have internal predecessors, (7139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:37,129 INFO L175 Difference]: Start difference. First operand has 201 places, 492 transitions, 12838 flow. Second operand 10 states and 2523 transitions. [2023-11-06 22:11:37,129 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 556 transitions, 14803 flow [2023-11-06 22:11:37,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 556 transitions, 14487 flow, removed 48 selfloop flow, removed 4 redundant places. [2023-11-06 22:11:37,471 INFO L231 Difference]: Finished difference. Result has 209 places, 506 transitions, 13724 flow [2023-11-06 22:11:37,471 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=649, PETRI_DIFFERENCE_MINUEND_FLOW=12526, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=492, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=184, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=13724, PETRI_PLACES=209, PETRI_TRANSITIONS=506} [2023-11-06 22:11:37,472 INFO L281 CegarLoopForPetriNet]: 84 programPoint places, 125 predicate places. [2023-11-06 22:11:37,472 INFO L495 AbstractCegarLoop]: Abstraction has has 209 places, 506 transitions, 13724 flow [2023-11-06 22:11:37,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 242.45454545454547) internal successors, (2667), 11 states have internal predecessors, (2667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:37,473 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:11:37,473 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:11:37,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-06 22:11:37,473 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-06 22:11:37,474 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:11:37,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1391285030, now seen corresponding path program 4 times [2023-11-06 22:11:37,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:11:37,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649340660] [2023-11-06 22:11:37,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:11:37,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:11:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:38,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:11:38,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:11:38,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649340660] [2023-11-06 22:11:38,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649340660] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:11:38,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:11:38,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:11:38,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215781290] [2023-11-06 22:11:38,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:11:38,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:11:38,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:11:38,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:11:38,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:11:39,618 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 649 [2023-11-06 22:11:39,620 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 506 transitions, 13724 flow. Second operand has 11 states, 11 states have (on average 242.45454545454547) internal successors, (2667), 11 states have internal predecessors, (2667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:39,620 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:11:39,620 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 649 [2023-11-06 22:11:39,620 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:11:42,629 INFO L124 PetriNetUnfolderBase]: 1680/3335 cut-off events. [2023-11-06 22:11:42,629 INFO L125 PetriNetUnfolderBase]: For 118019/118019 co-relation queries the response was YES. [2023-11-06 22:11:42,651 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31159 conditions, 3335 events. 1680/3335 cut-off events. For 118019/118019 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 21140 event pairs, 462 based on Foata normal form. 6/3285 useless extension candidates. Maximal degree in co-relation 31095. Up to 1926 conditions per place. [2023-11-06 22:11:42,668 INFO L140 encePairwiseOnDemand]: 635/649 looper letters, 347 selfloop transitions, 213 changer transitions 0/577 dead transitions. [2023-11-06 22:11:42,668 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 577 transitions, 15871 flow [2023-11-06 22:11:42,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:11:42,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-06 22:11:42,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2772 transitions. [2023-11-06 22:11:42,672 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3882896764252696 [2023-11-06 22:11:42,672 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2772 transitions. [2023-11-06 22:11:42,673 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2772 transitions. [2023-11-06 22:11:42,673 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:11:42,673 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2772 transitions. [2023-11-06 22:11:42,676 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 252.0) internal successors, (2772), 11 states have internal predecessors, (2772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:42,681 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 649.0) internal successors, (7788), 12 states have internal predecessors, (7788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:42,682 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 649.0) internal successors, (7788), 12 states have internal predecessors, (7788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:42,683 INFO L175 Difference]: Start difference. First operand has 209 places, 506 transitions, 13724 flow. Second operand 11 states and 2772 transitions. [2023-11-06 22:11:42,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 577 transitions, 15871 flow [2023-11-06 22:11:43,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 577 transitions, 15542 flow, removed 5 selfloop flow, removed 7 redundant places. [2023-11-06 22:11:43,117 INFO L231 Difference]: Finished difference. Result has 216 places, 523 transitions, 14772 flow [2023-11-06 22:11:43,118 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=649, PETRI_DIFFERENCE_MINUEND_FLOW=13404, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=506, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=198, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=299, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=14772, PETRI_PLACES=216, PETRI_TRANSITIONS=523} [2023-11-06 22:11:43,119 INFO L281 CegarLoopForPetriNet]: 84 programPoint places, 132 predicate places. [2023-11-06 22:11:43,119 INFO L495 AbstractCegarLoop]: Abstraction has has 216 places, 523 transitions, 14772 flow [2023-11-06 22:11:43,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 242.45454545454547) internal successors, (2667), 11 states have internal predecessors, (2667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:43,120 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:11:43,120 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:11:43,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-06 22:11:43,120 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-06 22:11:43,120 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:11:43,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1691780864, now seen corresponding path program 5 times [2023-11-06 22:11:43,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:11:43,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979052398] [2023-11-06 22:11:43,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:11:43,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:11:43,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:43,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:11:43,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:11:43,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979052398] [2023-11-06 22:11:43,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979052398] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:11:43,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:11:43,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:11:43,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312006799] [2023-11-06 22:11:43,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:11:43,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:11:43,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:11:43,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:11:43,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:11:45,487 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 649 [2023-11-06 22:11:45,489 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 523 transitions, 14772 flow. Second operand has 11 states, 11 states have (on average 242.45454545454547) internal successors, (2667), 11 states have internal predecessors, (2667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:45,490 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:11:45,490 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 649 [2023-11-06 22:11:45,490 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:11:48,618 INFO L124 PetriNetUnfolderBase]: 1720/3515 cut-off events. [2023-11-06 22:11:48,618 INFO L125 PetriNetUnfolderBase]: For 132397/132397 co-relation queries the response was YES. [2023-11-06 22:11:48,644 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32974 conditions, 3515 events. 1720/3515 cut-off events. For 132397/132397 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 23227 event pairs, 416 based on Foata normal form. 6/3452 useless extension candidates. Maximal degree in co-relation 32906. Up to 1837 conditions per place. [2023-11-06 22:11:48,663 INFO L140 encePairwiseOnDemand]: 635/649 looper letters, 346 selfloop transitions, 235 changer transitions 0/598 dead transitions. [2023-11-06 22:11:48,663 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 598 transitions, 17008 flow [2023-11-06 22:11:48,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:11:48,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-06 22:11:48,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2776 transitions. [2023-11-06 22:11:48,759 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38884997898865387 [2023-11-06 22:11:48,759 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2776 transitions. [2023-11-06 22:11:48,759 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2776 transitions. [2023-11-06 22:11:48,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:11:48,760 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2776 transitions. [2023-11-06 22:11:48,764 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 252.36363636363637) internal successors, (2776), 11 states have internal predecessors, (2776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:48,771 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 649.0) internal successors, (7788), 12 states have internal predecessors, (7788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:48,772 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 649.0) internal successors, (7788), 12 states have internal predecessors, (7788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:48,772 INFO L175 Difference]: Start difference. First operand has 216 places, 523 transitions, 14772 flow. Second operand 11 states and 2776 transitions. [2023-11-06 22:11:48,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 598 transitions, 17008 flow [2023-11-06 22:11:49,240 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 598 transitions, 16780 flow, removed 27 selfloop flow, removed 6 redundant places. [2023-11-06 22:11:49,257 INFO L231 Difference]: Finished difference. Result has 224 places, 541 transitions, 15860 flow [2023-11-06 22:11:49,257 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=649, PETRI_DIFFERENCE_MINUEND_FLOW=14550, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=523, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=219, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=15860, PETRI_PLACES=224, PETRI_TRANSITIONS=541} [2023-11-06 22:11:49,258 INFO L281 CegarLoopForPetriNet]: 84 programPoint places, 140 predicate places. [2023-11-06 22:11:49,258 INFO L495 AbstractCegarLoop]: Abstraction has has 224 places, 541 transitions, 15860 flow [2023-11-06 22:11:49,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 242.45454545454547) internal successors, (2667), 11 states have internal predecessors, (2667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:49,259 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:11:49,259 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:11:49,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-06 22:11:49,259 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-06 22:11:49,260 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:11:49,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1195340, now seen corresponding path program 6 times [2023-11-06 22:11:49,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:11:49,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890192805] [2023-11-06 22:11:49,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:11:49,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:11:49,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:49,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:11:49,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:11:49,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890192805] [2023-11-06 22:11:49,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890192805] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:11:49,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:11:49,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:11:49,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852319617] [2023-11-06 22:11:49,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:11:49,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:11:49,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:11:49,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:11:49,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:11:51,617 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 649 [2023-11-06 22:11:51,620 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 541 transitions, 15860 flow. Second operand has 11 states, 11 states have (on average 242.45454545454547) internal successors, (2667), 11 states have internal predecessors, (2667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:51,620 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:11:51,620 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 649 [2023-11-06 22:11:51,620 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:11:56,176 INFO L124 PetriNetUnfolderBase]: 1785/3793 cut-off events. [2023-11-06 22:11:56,176 INFO L125 PetriNetUnfolderBase]: For 158086/158086 co-relation queries the response was YES. [2023-11-06 22:11:56,214 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35646 conditions, 3793 events. 1785/3793 cut-off events. For 158086/158086 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 26406 event pairs, 501 based on Foata normal form. 6/3711 useless extension candidates. Maximal degree in co-relation 35574. Up to 2144 conditions per place. [2023-11-06 22:11:56,234 INFO L140 encePairwiseOnDemand]: 635/649 looper letters, 280 selfloop transitions, 305 changer transitions 0/602 dead transitions. [2023-11-06 22:11:56,234 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 602 transitions, 18028 flow [2023-11-06 22:11:56,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:11:56,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-06 22:11:56,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2281 transitions. [2023-11-06 22:11:56,239 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39051532271871253 [2023-11-06 22:11:56,239 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2281 transitions. [2023-11-06 22:11:56,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2281 transitions. [2023-11-06 22:11:56,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:11:56,240 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2281 transitions. [2023-11-06 22:11:56,243 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 253.44444444444446) internal successors, (2281), 9 states have internal predecessors, (2281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:56,248 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 649.0) internal successors, (6490), 10 states have internal predecessors, (6490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:56,249 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 649.0) internal successors, (6490), 10 states have internal predecessors, (6490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:56,250 INFO L175 Difference]: Start difference. First operand has 224 places, 541 transitions, 15860 flow. Second operand 9 states and 2281 transitions. [2023-11-06 22:11:56,250 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 602 transitions, 18028 flow [2023-11-06 22:11:56,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 602 transitions, 17783 flow, removed 33 selfloop flow, removed 5 redundant places. [2023-11-06 22:11:56,798 INFO L231 Difference]: Finished difference. Result has 230 places, 558 transitions, 17441 flow [2023-11-06 22:11:56,799 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=649, PETRI_DIFFERENCE_MINUEND_FLOW=15621, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=541, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=288, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=17441, PETRI_PLACES=230, PETRI_TRANSITIONS=558} [2023-11-06 22:11:56,799 INFO L281 CegarLoopForPetriNet]: 84 programPoint places, 146 predicate places. [2023-11-06 22:11:56,799 INFO L495 AbstractCegarLoop]: Abstraction has has 230 places, 558 transitions, 17441 flow [2023-11-06 22:11:56,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 242.45454545454547) internal successors, (2667), 11 states have internal predecessors, (2667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:56,800 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:11:56,800 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:11:56,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-06 22:11:56,800 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-06 22:11:56,801 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:11:56,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1470783022, now seen corresponding path program 7 times [2023-11-06 22:11:56,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:11:56,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056706889] [2023-11-06 22:11:56,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:11:56,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:11:56,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:57,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:11:57,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:11:57,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056706889] [2023-11-06 22:11:57,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056706889] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:11:57,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:11:57,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:11:57,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977798122] [2023-11-06 22:11:57,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:11:57,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:11:57,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:11:57,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:11:57,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:11:59,033 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 649 [2023-11-06 22:11:59,036 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 558 transitions, 17441 flow. Second operand has 11 states, 11 states have (on average 242.45454545454547) internal successors, (2667), 11 states have internal predecessors, (2667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:59,036 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:11:59,036 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 649 [2023-11-06 22:11:59,036 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:12:02,917 INFO L124 PetriNetUnfolderBase]: 1872/4105 cut-off events. [2023-11-06 22:12:02,917 INFO L125 PetriNetUnfolderBase]: For 190260/190260 co-relation queries the response was YES. [2023-11-06 22:12:02,947 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39253 conditions, 4105 events. 1872/4105 cut-off events. For 190260/190260 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 29818 event pairs, 483 based on Foata normal form. 6/4004 useless extension candidates. Maximal degree in co-relation 39178. Up to 2111 conditions per place. [2023-11-06 22:12:02,971 INFO L140 encePairwiseOnDemand]: 635/649 looper letters, 282 selfloop transitions, 327 changer transitions 0/626 dead transitions. [2023-11-06 22:12:02,971 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 626 transitions, 19884 flow [2023-11-06 22:12:02,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:12:02,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-06 22:12:02,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2529 transitions. [2023-11-06 22:12:02,975 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38967642526964563 [2023-11-06 22:12:02,975 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2529 transitions. [2023-11-06 22:12:02,975 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2529 transitions. [2023-11-06 22:12:02,976 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:12:02,976 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2529 transitions. [2023-11-06 22:12:02,980 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 252.9) internal successors, (2529), 10 states have internal predecessors, (2529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:12:02,985 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 649.0) internal successors, (7139), 11 states have internal predecessors, (7139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:12:02,986 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 649.0) internal successors, (7139), 11 states have internal predecessors, (7139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:12:02,986 INFO L175 Difference]: Start difference. First operand has 230 places, 558 transitions, 17441 flow. Second operand 10 states and 2529 transitions. [2023-11-06 22:12:02,986 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 626 transitions, 19884 flow [2023-11-06 22:12:03,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 626 transitions, 19249 flow, removed 2 selfloop flow, removed 7 redundant places. [2023-11-06 22:12:03,740 INFO L231 Difference]: Finished difference. Result has 235 places, 578 transitions, 18813 flow [2023-11-06 22:12:03,741 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=649, PETRI_DIFFERENCE_MINUEND_FLOW=16828, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=558, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=307, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=18813, PETRI_PLACES=235, PETRI_TRANSITIONS=578} [2023-11-06 22:12:03,741 INFO L281 CegarLoopForPetriNet]: 84 programPoint places, 151 predicate places. [2023-11-06 22:12:03,741 INFO L495 AbstractCegarLoop]: Abstraction has has 235 places, 578 transitions, 18813 flow [2023-11-06 22:12:03,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 242.45454545454547) internal successors, (2667), 11 states have internal predecessors, (2667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:12:03,742 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:12:03,742 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:12:03,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-06 22:12:03,742 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-06 22:12:03,742 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:12:03,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1730792406, now seen corresponding path program 8 times [2023-11-06 22:12:03,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:12:03,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658277415] [2023-11-06 22:12:03,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:12:03,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:12:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:04,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:12:04,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:12:04,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658277415] [2023-11-06 22:12:04,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658277415] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:12:04,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:12:04,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:12:04,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786880575] [2023-11-06 22:12:04,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:12:04,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:12:04,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:12:04,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:12:04,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:12:05,927 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 649 [2023-11-06 22:12:05,928 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 578 transitions, 18813 flow. Second operand has 11 states, 11 states have (on average 242.45454545454547) internal successors, (2667), 11 states have internal predecessors, (2667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:12:05,928 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:12:05,928 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 649 [2023-11-06 22:12:05,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:12:10,238 INFO L124 PetriNetUnfolderBase]: 2006/4506 cut-off events. [2023-11-06 22:12:10,238 INFO L125 PetriNetUnfolderBase]: For 223454/223454 co-relation queries the response was YES. [2023-11-06 22:12:10,400 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43381 conditions, 4506 events. 2006/4506 cut-off events. For 223454/223454 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 34150 event pairs, 455 based on Foata normal form. 6/4386 useless extension candidates. Maximal degree in co-relation 43303. Up to 2013 conditions per place. [2023-11-06 22:12:10,432 INFO L140 encePairwiseOnDemand]: 635/649 looper letters, 292 selfloop transitions, 354 changer transitions 0/663 dead transitions. [2023-11-06 22:12:10,432 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 663 transitions, 21829 flow [2023-11-06 22:12:10,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:12:10,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-06 22:12:10,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2780 transitions. [2023-11-06 22:12:10,437 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3894102815520381 [2023-11-06 22:12:10,437 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2780 transitions. [2023-11-06 22:12:10,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2780 transitions. [2023-11-06 22:12:10,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:12:10,438 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2780 transitions. [2023-11-06 22:12:10,442 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 252.72727272727272) internal successors, (2780), 11 states have internal predecessors, (2780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:12:10,449 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 649.0) internal successors, (7788), 12 states have internal predecessors, (7788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:12:10,451 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 649.0) internal successors, (7788), 12 states have internal predecessors, (7788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:12:10,451 INFO L175 Difference]: Start difference. First operand has 235 places, 578 transitions, 18813 flow. Second operand 11 states and 2780 transitions. [2023-11-06 22:12:10,452 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 663 transitions, 21829 flow [2023-11-06 22:12:11,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 663 transitions, 21643 flow, removed 24 selfloop flow, removed 5 redundant places. [2023-11-06 22:12:11,594 INFO L231 Difference]: Finished difference. Result has 244 places, 611 transitions, 20958 flow [2023-11-06 22:12:11,595 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=649, PETRI_DIFFERENCE_MINUEND_FLOW=18653, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=578, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=325, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=20958, PETRI_PLACES=244, PETRI_TRANSITIONS=611} [2023-11-06 22:12:11,596 INFO L281 CegarLoopForPetriNet]: 84 programPoint places, 160 predicate places. [2023-11-06 22:12:11,596 INFO L495 AbstractCegarLoop]: Abstraction has has 244 places, 611 transitions, 20958 flow [2023-11-06 22:12:11,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 242.45454545454547) internal successors, (2667), 11 states have internal predecessors, (2667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:12:11,596 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:12:11,597 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:12:11,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-06 22:12:11,597 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-06 22:12:11,598 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:12:11,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1804035016, now seen corresponding path program 9 times [2023-11-06 22:12:11,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:12:11,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221841293] [2023-11-06 22:12:11,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:12:11,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:12:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:12,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:12:12,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:12:12,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221841293] [2023-11-06 22:12:12,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221841293] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:12:12,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:12:12,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:12:12,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690719451] [2023-11-06 22:12:12,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:12:12,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:12:12,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:12:12,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:12:12,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:12:14,341 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 649 [2023-11-06 22:12:14,343 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 611 transitions, 20958 flow. Second operand has 11 states, 11 states have (on average 242.45454545454547) internal successors, (2667), 11 states have internal predecessors, (2667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:12:14,343 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:12:14,344 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 649 [2023-11-06 22:12:14,344 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:12:18,783 INFO L124 PetriNetUnfolderBase]: 2173/4968 cut-off events. [2023-11-06 22:12:18,783 INFO L125 PetriNetUnfolderBase]: For 270185/270185 co-relation queries the response was YES. [2023-11-06 22:12:18,825 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49048 conditions, 4968 events. 2173/4968 cut-off events. For 270185/270185 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 39154 event pairs, 427 based on Foata normal form. 6/4829 useless extension candidates. Maximal degree in co-relation 48966. Up to 1921 conditions per place. [2023-11-06 22:12:18,850 INFO L140 encePairwiseOnDemand]: 635/649 looper letters, 306 selfloop transitions, 390 changer transitions 0/713 dead transitions. [2023-11-06 22:12:18,851 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 713 transitions, 24722 flow [2023-11-06 22:12:18,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:12:18,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-06 22:12:18,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2780 transitions. [2023-11-06 22:12:18,855 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3894102815520381 [2023-11-06 22:12:18,855 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2780 transitions. [2023-11-06 22:12:18,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2780 transitions. [2023-11-06 22:12:18,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:12:18,856 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2780 transitions. [2023-11-06 22:12:18,859 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 252.72727272727272) internal successors, (2780), 11 states have internal predecessors, (2780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:12:18,862 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 649.0) internal successors, (7788), 12 states have internal predecessors, (7788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:12:18,863 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 649.0) internal successors, (7788), 12 states have internal predecessors, (7788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:12:18,863 INFO L175 Difference]: Start difference. First operand has 244 places, 611 transitions, 20958 flow. Second operand 11 states and 2780 transitions. [2023-11-06 22:12:18,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 713 transitions, 24722 flow [2023-11-06 22:12:20,035 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 713 transitions, 24266 flow, removed 62 selfloop flow, removed 3 redundant places. [2023-11-06 22:12:20,066 INFO L231 Difference]: Finished difference. Result has 256 places, 656 transitions, 23492 flow [2023-11-06 22:12:20,067 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=649, PETRI_DIFFERENCE_MINUEND_FLOW=20520, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=611, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=348, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=23492, PETRI_PLACES=256, PETRI_TRANSITIONS=656} [2023-11-06 22:12:20,067 INFO L281 CegarLoopForPetriNet]: 84 programPoint places, 172 predicate places. [2023-11-06 22:12:20,068 INFO L495 AbstractCegarLoop]: Abstraction has has 256 places, 656 transitions, 23492 flow [2023-11-06 22:12:20,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 242.45454545454547) internal successors, (2667), 11 states have internal predecessors, (2667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:12:20,068 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:12:20,068 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:12:20,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-06 22:12:20,069 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-06 22:12:20,069 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:12:20,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1173805192, now seen corresponding path program 10 times [2023-11-06 22:12:20,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:12:20,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290328840] [2023-11-06 22:12:20,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:12:20,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:12:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:20,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:12:20,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:12:20,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290328840] [2023-11-06 22:12:20,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290328840] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:12:20,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:12:20,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:12:20,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799807340] [2023-11-06 22:12:20,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:12:20,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:12:20,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:12:20,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:12:20,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110