./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82deb78c-2f30-4dc0-bc89-f623f8e3d505/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82deb78c-2f30-4dc0-bc89-f623f8e3d505/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82deb78c-2f30-4dc0-bc89-f623f8e3d505/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82deb78c-2f30-4dc0-bc89-f623f8e3d505/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82deb78c-2f30-4dc0-bc89-f623f8e3d505/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82deb78c-2f30-4dc0-bc89-f623f8e3d505/bin/uautomizer-ZsLfNo2U6R --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 c62a6a6ca02e763ce9adebe2a1f0301f133cb0abc0bbd9fb473585b57a9c78f2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 15:52:50,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:52:50,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:52:50,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:52:50,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:52:50,390 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:52:50,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:52:50,397 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:52:50,400 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:52:50,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:52:50,409 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:52:50,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:52:50,412 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:52:50,414 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:52:50,419 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:52:50,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:52:50,423 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:52:50,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:52:50,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:52:50,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:52:50,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:52:50,436 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:52:50,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:52:50,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:52:50,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:52:50,449 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:52:50,450 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:52:50,452 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:52:50,454 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:52:50,455 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:52:50,455 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:52:50,456 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:52:50,457 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:52:50,458 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:52:50,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:52:50,459 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:52:50,460 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:52:50,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:52:50,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:52:50,462 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:52:50,462 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:52:50,463 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82deb78c-2f30-4dc0-bc89-f623f8e3d505/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-25 15:52:50,488 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:52:50,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:52:50,489 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:52:50,489 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:52:50,490 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 15:52:50,490 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 15:52:50,491 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:52:50,491 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:52:50,491 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:52:50,492 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:52:50,492 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 15:52:50,492 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 15:52:50,492 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:52:50,493 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 15:52:50,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:52:50,493 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 15:52:50,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 15:52:50,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 15:52:50,494 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 15:52:50,494 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 15:52:50,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:52:50,495 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:52:50,495 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 15:52:50,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:52:50,496 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:52:50,496 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 15:52:50,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:52:50,496 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:52:50,497 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 15:52:50,497 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 15:52:50,497 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:52:50,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 15:52:50,498 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 15:52:50,498 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 15:52:50,498 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 15:52:50,498 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 15:52:50,499 INFO L138 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_82deb78c-2f30-4dc0-bc89-f623f8e3d505/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82deb78c-2f30-4dc0-bc89-f623f8e3d505/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c62a6a6ca02e763ce9adebe2a1f0301f133cb0abc0bbd9fb473585b57a9c78f2 [2022-11-25 15:52:50,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:52:50,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:52:50,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:52:50,801 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:52:50,801 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:52:50,803 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82deb78c-2f30-4dc0-bc89-f623f8e3d505/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2022-11-25 15:52:53,871 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:52:54,370 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:52:54,371 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82deb78c-2f30-4dc0-bc89-f623f8e3d505/sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2022-11-25 15:52:54,395 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82deb78c-2f30-4dc0-bc89-f623f8e3d505/bin/uautomizer-ZsLfNo2U6R/data/205fc334c/c64ed5c29dd24303bfe43ca57b0130f4/FLAGdd19b0df6 [2022-11-25 15:52:54,411 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82deb78c-2f30-4dc0-bc89-f623f8e3d505/bin/uautomizer-ZsLfNo2U6R/data/205fc334c/c64ed5c29dd24303bfe43ca57b0130f4 [2022-11-25 15:52:54,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:52:54,416 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:52:54,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:52:54,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:52:54,422 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:52:54,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:52:54" (1/1) ... [2022-11-25 15:52:54,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aa14498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:54, skipping insertion in model container [2022-11-25 15:52:54,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:52:54" (1/1) ... [2022-11-25 15:52:54,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:52:54,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:52:54,697 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 15:52:55,403 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82deb78c-2f30-4dc0-bc89-f623f8e3d505/sv-benchmarks/c/ldv-races/race-2_5-container_of.i[75002,75015] [2022-11-25 15:52:55,413 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:52:55,428 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:52:55,428 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:52:55,431 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:52:55,432 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:52:55,436 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:52:55,495 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:52:55,497 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:52:55,497 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:52:55,502 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:52:55,502 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:52:55,504 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:52:55,504 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:52:55,513 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:52:55,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:52:55,536 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:52:55,550 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 15:52:55,621 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82deb78c-2f30-4dc0-bc89-f623f8e3d505/sv-benchmarks/c/ldv-races/race-2_5-container_of.i[75002,75015] [2022-11-25 15:52:55,624 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:52:55,630 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:52:55,630 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:52:55,632 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:52:55,632 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:52:55,636 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:52:55,645 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:52:55,646 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:52:55,646 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:52:55,647 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:52:55,648 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:52:55,649 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:52:55,649 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:52:55,650 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:52:55,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:52:55,858 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:52:55,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:55 WrapperNode [2022-11-25 15:52:55,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:52:55,860 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:52:55,860 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:52:55,861 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:52:55,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:55" (1/1) ... [2022-11-25 15:52:55,943 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:55" (1/1) ... [2022-11-25 15:52:55,988 INFO L138 Inliner]: procedures = 469, calls = 63, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 225 [2022-11-25 15:52:55,988 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:52:55,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:52:55,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:52:55,989 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:52:56,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:55" (1/1) ... [2022-11-25 15:52:56,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:55" (1/1) ... [2022-11-25 15:52:56,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:55" (1/1) ... [2022-11-25 15:52:56,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:55" (1/1) ... [2022-11-25 15:52:56,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:55" (1/1) ... [2022-11-25 15:52:56,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:55" (1/1) ... [2022-11-25 15:52:56,041 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:55" (1/1) ... [2022-11-25 15:52:56,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:55" (1/1) ... [2022-11-25 15:52:56,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:52:56,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:52:56,052 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:52:56,052 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:52:56,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:55" (1/1) ... [2022-11-25 15:52:56,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:52:56,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82deb78c-2f30-4dc0-bc89-f623f8e3d505/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:52:56,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82deb78c-2f30-4dc0-bc89-f623f8e3d505/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 15:52:56,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82deb78c-2f30-4dc0-bc89-f623f8e3d505/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 15:52:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-25 15:52:56,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 15:52:56,145 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-25 15:52:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 15:52:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-25 15:52:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 15:52:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 15:52:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:52:56,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:52:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-11-25 15:52:56,147 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-11-25 15:52:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 15:52:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 15:52:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 15:52:56,149 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 15:52:56,552 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:52:56,554 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:52:57,128 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:52:57,223 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:52:57,224 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 15:52:57,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:52:57 BoogieIcfgContainer [2022-11-25 15:52:57,226 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:52:57,229 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 15:52:57,229 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 15:52:57,232 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 15:52:57,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 03:52:54" (1/3) ... [2022-11-25 15:52:57,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b4f771b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:52:57, skipping insertion in model container [2022-11-25 15:52:57,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:55" (2/3) ... [2022-11-25 15:52:57,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b4f771b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:52:57, skipping insertion in model container [2022-11-25 15:52:57,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:52:57" (3/3) ... [2022-11-25 15:52:57,236 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2022-11-25 15:52:57,245 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 15:52:57,256 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 15:52:57,257 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2022-11-25 15:52:57,257 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 15:52:57,329 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-25 15:52:57,372 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 247 places, 247 transitions, 510 flow [2022-11-25 15:52:57,488 INFO L130 PetriNetUnfolder]: 8/324 cut-off events. [2022-11-25 15:52:57,489 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-25 15:52:57,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 333 conditions, 324 events. 8/324 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 625 event pairs, 0 based on Foata normal form. 0/289 useless extension candidates. Maximal degree in co-relation 167. Up to 4 conditions per place. [2022-11-25 15:52:57,497 INFO L82 GeneralOperation]: Start removeDead. Operand has 247 places, 247 transitions, 510 flow [2022-11-25 15:52:57,504 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 245 places, 244 transitions, 500 flow [2022-11-25 15:52:57,514 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 15:52:57,545 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 245 places, 244 transitions, 500 flow [2022-11-25 15:52:57,549 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 245 places, 244 transitions, 500 flow [2022-11-25 15:52:57,549 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 245 places, 244 transitions, 500 flow [2022-11-25 15:52:57,709 INFO L130 PetriNetUnfolder]: 7/323 cut-off events. [2022-11-25 15:52:57,709 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-25 15:52:57,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 332 conditions, 323 events. 7/323 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 639 event pairs, 0 based on Foata normal form. 0/289 useless extension candidates. Maximal degree in co-relation 166. Up to 4 conditions per place. [2022-11-25 15:52:57,718 INFO L119 LiptonReduction]: Number of co-enabled transitions 6560 [2022-11-25 15:56:11,553 WARN L233 SmtUtils]: Spent 10.90s on a formula simplification. DAG size of input: 127 DAG size of output: 120 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 15:56:26,177 WARN L233 SmtUtils]: Spent 10.38s on a formula simplification. DAG size of input: 127 DAG size of output: 120 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 15:57:11,786 INFO L134 LiptonReduction]: Checked pairs total: 60474 [2022-11-25 15:57:11,787 INFO L136 LiptonReduction]: Total number of compositions: 249 [2022-11-25 15:57:11,807 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 15:57:11,812 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;@27b0c2c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 15:57:11,813 INFO L358 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2022-11-25 15:57:11,815 INFO L130 PetriNetUnfolder]: 0/1 cut-off events. [2022-11-25 15:57:11,816 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 15:57:11,816 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 15:57:11,817 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-11-25 15:57:11,817 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-25 15:57:11,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:57:11,824 INFO L85 PathProgramCache]: Analyzing trace with hash 950, now seen corresponding path program 1 times [2022-11-25 15:57:11,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:57:11,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805692712] [2022-11-25 15:57:11,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:57:11,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:57:11,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:57:12,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:57:12,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:57:12,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805692712] [2022-11-25 15:57:12,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805692712] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:57:12,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:57:12,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-25 15:57:12,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697898734] [2022-11-25 15:57:12,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:57:12,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 15:57:12,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:57:12,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 15:57:12,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 15:57:12,092 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 496 [2022-11-25 15:57:12,095 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 82 transitions, 176 flow. Second operand has 2 states, 2 states have (on average 215.5) internal successors, (431), 2 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:12,095 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 15:57:12,095 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 496 [2022-11-25 15:57:12,097 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 15:57:12,838 INFO L130 PetriNetUnfolder]: 666/1703 cut-off events. [2022-11-25 15:57:12,839 INFO L131 PetriNetUnfolder]: For 34/60 co-relation queries the response was YES. [2022-11-25 15:57:12,847 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2850 conditions, 1703 events. 666/1703 cut-off events. For 34/60 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10642 event pairs, 665 based on Foata normal form. 65/1657 useless extension candidates. Maximal degree in co-relation 2609. Up to 1123 conditions per place. [2022-11-25 15:57:12,858 INFO L137 encePairwiseOnDemand]: 480/496 looper letters, 32 selfloop transitions, 0 changer transitions 1/66 dead transitions. [2022-11-25 15:57:12,858 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 66 transitions, 210 flow [2022-11-25 15:57:12,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 15:57:12,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-25 15:57:12,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 479 transitions. [2022-11-25 15:57:12,891 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.48286290322580644 [2022-11-25 15:57:12,892 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 479 transitions. [2022-11-25 15:57:12,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 479 transitions. [2022-11-25 15:57:12,897 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:57:12,900 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 479 transitions. [2022-11-25 15:57:12,908 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 239.5) internal successors, (479), 2 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:12,916 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 496.0) internal successors, (1488), 3 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:12,918 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 496.0) internal successors, (1488), 3 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:12,920 INFO L175 Difference]: Start difference. First operand has 85 places, 82 transitions, 176 flow. Second operand 2 states and 479 transitions. [2022-11-25 15:57:12,921 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 66 transitions, 210 flow [2022-11-25 15:57:12,927 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 66 transitions, 202 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-25 15:57:12,930 INFO L231 Difference]: Finished difference. Result has 68 places, 65 transitions, 134 flow [2022-11-25 15:57:12,933 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=496, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=134, PETRI_PLACES=68, PETRI_TRANSITIONS=65} [2022-11-25 15:57:12,939 INFO L288 CegarLoopForPetriNet]: 85 programPoint places, -17 predicate places. [2022-11-25 15:57:12,940 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 65 transitions, 134 flow [2022-11-25 15:57:12,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 215.5) internal successors, (431), 2 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:12,941 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 15:57:12,942 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:57:12,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 15:57:12,943 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-25 15:57:12,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:57:12,946 INFO L85 PathProgramCache]: Analyzing trace with hash 356650315, now seen corresponding path program 1 times [2022-11-25 15:57:12,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:57:12,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555734662] [2022-11-25 15:57:12,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:57:12,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:57:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:57:13,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:57:13,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:57:13,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555734662] [2022-11-25 15:57:13,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555734662] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:57:13,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:57:13,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 15:57:13,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784376884] [2022-11-25 15:57:13,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:57:13,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 15:57:13,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:57:13,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 15:57:13,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-25 15:57:15,111 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 496 [2022-11-25 15:57:15,114 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 65 transitions, 134 flow. Second operand has 6 states, 6 states have (on average 179.16666666666666) internal successors, (1075), 6 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:15,115 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 15:57:15,115 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 496 [2022-11-25 15:57:15,115 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 15:57:16,526 INFO L130 PetriNetUnfolder]: 1658/3150 cut-off events. [2022-11-25 15:57:16,526 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-25 15:57:16,530 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5897 conditions, 3150 events. 1658/3150 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 17673 event pairs, 1198 based on Foata normal form. 0/3028 useless extension candidates. Maximal degree in co-relation 5894. Up to 2400 conditions per place. [2022-11-25 15:57:16,544 INFO L137 encePairwiseOnDemand]: 482/496 looper letters, 63 selfloop transitions, 31 changer transitions 0/110 dead transitions. [2022-11-25 15:57:16,544 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 110 transitions, 412 flow [2022-11-25 15:57:16,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 15:57:16,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-25 15:57:16,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1163 transitions. [2022-11-25 15:57:16,549 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.3907930107526882 [2022-11-25 15:57:16,549 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1163 transitions. [2022-11-25 15:57:16,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1163 transitions. [2022-11-25 15:57:16,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:57:16,551 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1163 transitions. [2022-11-25 15:57:16,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 193.83333333333334) internal successors, (1163), 6 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:16,563 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 496.0) internal successors, (3472), 7 states have internal predecessors, (3472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:16,565 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 496.0) internal successors, (3472), 7 states have internal predecessors, (3472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:16,565 INFO L175 Difference]: Start difference. First operand has 68 places, 65 transitions, 134 flow. Second operand 6 states and 1163 transitions. [2022-11-25 15:57:16,565 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 110 transitions, 412 flow [2022-11-25 15:57:16,567 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 110 transitions, 412 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-25 15:57:16,570 INFO L231 Difference]: Finished difference. Result has 77 places, 94 transitions, 340 flow [2022-11-25 15:57:16,571 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=496, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=340, PETRI_PLACES=77, PETRI_TRANSITIONS=94} [2022-11-25 15:57:16,572 INFO L288 CegarLoopForPetriNet]: 85 programPoint places, -8 predicate places. [2022-11-25 15:57:16,572 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 94 transitions, 340 flow [2022-11-25 15:57:16,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 179.16666666666666) internal successors, (1075), 6 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:16,573 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 15:57:16,574 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:57:16,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 15:57:16,574 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-25 15:57:16,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:57:16,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1556811088, now seen corresponding path program 1 times [2022-11-25 15:57:16,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:57:16,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293203818] [2022-11-25 15:57:16,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:57:16,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:57:16,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:57:16,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:57:16,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:57:16,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293203818] [2022-11-25 15:57:16,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293203818] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:57:16,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:57:16,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:57:16,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135840724] [2022-11-25 15:57:16,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:57:16,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:57:16,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:57:16,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:57:16,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:57:16,753 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 496 [2022-11-25 15:57:16,755 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 94 transitions, 340 flow. Second operand has 3 states, 3 states have (on average 210.66666666666666) internal successors, (632), 3 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:16,755 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 15:57:16,755 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 496 [2022-11-25 15:57:16,755 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 15:57:17,713 INFO L130 PetriNetUnfolder]: 973/2389 cut-off events. [2022-11-25 15:57:17,713 INFO L131 PetriNetUnfolder]: For 782/822 co-relation queries the response was YES. [2022-11-25 15:57:17,719 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5319 conditions, 2389 events. 973/2389 cut-off events. For 782/822 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 15455 event pairs, 185 based on Foata normal form. 0/2297 useless extension candidates. Maximal degree in co-relation 5311. Up to 1116 conditions per place. [2022-11-25 15:57:17,731 INFO L137 encePairwiseOnDemand]: 493/496 looper letters, 71 selfloop transitions, 2 changer transitions 0/110 dead transitions. [2022-11-25 15:57:17,731 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 110 transitions, 534 flow [2022-11-25 15:57:17,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:57:17,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-25 15:57:17,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 679 transitions. [2022-11-25 15:57:17,734 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.45631720430107525 [2022-11-25 15:57:17,735 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 679 transitions. [2022-11-25 15:57:17,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 679 transitions. [2022-11-25 15:57:17,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:57:17,736 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 679 transitions. [2022-11-25 15:57:17,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 226.33333333333334) internal successors, (679), 3 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:17,741 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 496.0) internal successors, (1984), 4 states have internal predecessors, (1984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:17,742 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 496.0) internal successors, (1984), 4 states have internal predecessors, (1984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:17,743 INFO L175 Difference]: Start difference. First operand has 77 places, 94 transitions, 340 flow. Second operand 3 states and 679 transitions. [2022-11-25 15:57:17,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 110 transitions, 534 flow [2022-11-25 15:57:17,750 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 110 transitions, 534 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-25 15:57:17,752 INFO L231 Difference]: Finished difference. Result has 81 places, 95 transitions, 354 flow [2022-11-25 15:57:17,753 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=496, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=354, PETRI_PLACES=81, PETRI_TRANSITIONS=95} [2022-11-25 15:57:17,758 INFO L288 CegarLoopForPetriNet]: 85 programPoint places, -4 predicate places. [2022-11-25 15:57:17,759 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 95 transitions, 354 flow [2022-11-25 15:57:17,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 210.66666666666666) internal successors, (632), 3 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:17,760 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 15:57:17,761 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:57:17,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 15:57:17,761 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-25 15:57:17,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:57:17,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1158385892, now seen corresponding path program 1 times [2022-11-25 15:57:17,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:57:17,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382539710] [2022-11-25 15:57:17,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:57:17,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:57:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:57:18,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:57:18,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:57:18,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382539710] [2022-11-25 15:57:18,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382539710] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:57:18,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:57:18,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 15:57:18,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482152311] [2022-11-25 15:57:18,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:57:18,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 15:57:18,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:57:18,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 15:57:18,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-25 15:57:19,593 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 496 [2022-11-25 15:57:19,595 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 95 transitions, 354 flow. Second operand has 6 states, 6 states have (on average 193.83333333333334) internal successors, (1163), 6 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:19,596 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 15:57:19,596 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 496 [2022-11-25 15:57:19,596 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 15:57:21,576 INFO L130 PetriNetUnfolder]: 1847/3586 cut-off events. [2022-11-25 15:57:21,576 INFO L131 PetriNetUnfolder]: For 1285/1295 co-relation queries the response was YES. [2022-11-25 15:57:21,585 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8680 conditions, 3586 events. 1847/3586 cut-off events. For 1285/1295 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 21214 event pairs, 1097 based on Foata normal form. 0/3504 useless extension candidates. Maximal degree in co-relation 8670. Up to 2609 conditions per place. [2022-11-25 15:57:21,602 INFO L137 encePairwiseOnDemand]: 485/496 looper letters, 98 selfloop transitions, 22 changer transitions 0/142 dead transitions. [2022-11-25 15:57:21,603 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 142 transitions, 737 flow [2022-11-25 15:57:21,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 15:57:21,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-25 15:57:21,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1244 transitions. [2022-11-25 15:57:21,611 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.41801075268817206 [2022-11-25 15:57:21,611 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1244 transitions. [2022-11-25 15:57:21,611 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1244 transitions. [2022-11-25 15:57:21,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:57:21,613 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1244 transitions. [2022-11-25 15:57:21,616 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 207.33333333333334) internal successors, (1244), 6 states have internal predecessors, (1244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:21,623 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 496.0) internal successors, (3472), 7 states have internal predecessors, (3472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:21,625 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 496.0) internal successors, (3472), 7 states have internal predecessors, (3472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:21,626 INFO L175 Difference]: Start difference. First operand has 81 places, 95 transitions, 354 flow. Second operand 6 states and 1244 transitions. [2022-11-25 15:57:21,626 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 142 transitions, 737 flow [2022-11-25 15:57:21,632 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 142 transitions, 735 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-25 15:57:21,634 INFO L231 Difference]: Finished difference. Result has 90 places, 116 transitions, 534 flow [2022-11-25 15:57:21,635 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=496, PETRI_DIFFERENCE_MINUEND_FLOW=352, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=534, PETRI_PLACES=90, PETRI_TRANSITIONS=116} [2022-11-25 15:57:21,636 INFO L288 CegarLoopForPetriNet]: 85 programPoint places, 5 predicate places. [2022-11-25 15:57:21,636 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 116 transitions, 534 flow [2022-11-25 15:57:21,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 193.83333333333334) internal successors, (1163), 6 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:21,637 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 15:57:21,637 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:57:21,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 15:57:21,637 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-25 15:57:21,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:57:21,638 INFO L85 PathProgramCache]: Analyzing trace with hash 856962419, now seen corresponding path program 1 times [2022-11-25 15:57:21,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:57:21,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519054740] [2022-11-25 15:57:21,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:57:21,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:57:21,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:57:22,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:57:22,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:57:22,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519054740] [2022-11-25 15:57:22,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519054740] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:57:22,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:57:22,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 15:57:22,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459504058] [2022-11-25 15:57:22,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:57:22,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 15:57:22,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:57:22,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 15:57:22,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-25 15:57:23,460 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 496 [2022-11-25 15:57:23,462 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 116 transitions, 534 flow. Second operand has 6 states, 6 states have (on average 179.5) internal successors, (1077), 6 states have internal predecessors, (1077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:23,463 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 15:57:23,463 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 496 [2022-11-25 15:57:23,463 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 15:57:25,871 INFO L130 PetriNetUnfolder]: 2264/4110 cut-off events. [2022-11-25 15:57:25,871 INFO L131 PetriNetUnfolder]: For 2878/2878 co-relation queries the response was YES. [2022-11-25 15:57:25,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11504 conditions, 4110 events. 2264/4110 cut-off events. For 2878/2878 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 23120 event pairs, 1312 based on Foata normal form. 0/4008 useless extension candidates. Maximal degree in co-relation 11490. Up to 3248 conditions per place. [2022-11-25 15:57:25,942 INFO L137 encePairwiseOnDemand]: 483/496 looper letters, 110 selfloop transitions, 30 changer transitions 0/161 dead transitions. [2022-11-25 15:57:25,942 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 161 transitions, 984 flow [2022-11-25 15:57:25,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 15:57:25,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-25 15:57:25,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1163 transitions. [2022-11-25 15:57:25,947 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.3907930107526882 [2022-11-25 15:57:25,947 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1163 transitions. [2022-11-25 15:57:25,948 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1163 transitions. [2022-11-25 15:57:25,948 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:57:25,949 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1163 transitions. [2022-11-25 15:57:25,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 193.83333333333334) internal successors, (1163), 6 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:25,957 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 496.0) internal successors, (3472), 7 states have internal predecessors, (3472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:25,958 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 496.0) internal successors, (3472), 7 states have internal predecessors, (3472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:25,958 INFO L175 Difference]: Start difference. First operand has 90 places, 116 transitions, 534 flow. Second operand 6 states and 1163 transitions. [2022-11-25 15:57:25,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 161 transitions, 984 flow [2022-11-25 15:57:25,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 161 transitions, 984 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-25 15:57:25,972 INFO L231 Difference]: Finished difference. Result has 100 places, 145 transitions, 816 flow [2022-11-25 15:57:25,973 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=496, PETRI_DIFFERENCE_MINUEND_FLOW=534, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=816, PETRI_PLACES=100, PETRI_TRANSITIONS=145} [2022-11-25 15:57:25,978 INFO L288 CegarLoopForPetriNet]: 85 programPoint places, 15 predicate places. [2022-11-25 15:57:25,978 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 145 transitions, 816 flow [2022-11-25 15:57:25,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 179.5) internal successors, (1077), 6 states have internal predecessors, (1077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:25,979 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 15:57:25,979 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:57:25,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 15:57:25,979 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-25 15:57:25,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:57:25,980 INFO L85 PathProgramCache]: Analyzing trace with hash -667733040, now seen corresponding path program 1 times [2022-11-25 15:57:25,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:57:25,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719128646] [2022-11-25 15:57:25,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:57:25,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:57:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:57:26,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:57:26,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:57:26,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719128646] [2022-11-25 15:57:26,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719128646] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:57:26,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:57:26,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 15:57:26,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708996514] [2022-11-25 15:57:26,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:57:26,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:57:26,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:57:26,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:57:26,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:57:26,114 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 496 [2022-11-25 15:57:26,115 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 145 transitions, 816 flow. Second operand has 3 states, 3 states have (on average 213.0) internal successors, (639), 3 states have internal predecessors, (639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:26,115 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 15:57:26,115 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 496 [2022-11-25 15:57:26,115 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 15:57:26,904 INFO L130 PetriNetUnfolder]: 485/1100 cut-off events. [2022-11-25 15:57:26,904 INFO L131 PetriNetUnfolder]: For 1459/1459 co-relation queries the response was YES. [2022-11-25 15:57:26,909 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3554 conditions, 1100 events. 485/1100 cut-off events. For 1459/1459 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 5844 event pairs, 39 based on Foata normal form. 0/1094 useless extension candidates. Maximal degree in co-relation 3535. Up to 673 conditions per place. [2022-11-25 15:57:26,916 INFO L137 encePairwiseOnDemand]: 494/496 looper letters, 63 selfloop transitions, 1 changer transitions 0/99 dead transitions. [2022-11-25 15:57:26,916 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 99 transitions, 593 flow [2022-11-25 15:57:26,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:57:26,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-25 15:57:26,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 678 transitions. [2022-11-25 15:57:26,919 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.45564516129032256 [2022-11-25 15:57:26,919 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 678 transitions. [2022-11-25 15:57:26,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 678 transitions. [2022-11-25 15:57:26,920 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:57:26,920 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 678 transitions. [2022-11-25 15:57:26,922 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 226.0) internal successors, (678), 3 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:26,924 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 496.0) internal successors, (1984), 4 states have internal predecessors, (1984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:26,925 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 496.0) internal successors, (1984), 4 states have internal predecessors, (1984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:26,925 INFO L175 Difference]: Start difference. First operand has 100 places, 145 transitions, 816 flow. Second operand 3 states and 678 transitions. [2022-11-25 15:57:26,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 99 transitions, 593 flow [2022-11-25 15:57:26,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 99 transitions, 541 flow, removed 2 selfloop flow, removed 18 redundant places. [2022-11-25 15:57:26,935 INFO L231 Difference]: Finished difference. Result has 82 places, 84 transitions, 350 flow [2022-11-25 15:57:26,936 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=496, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=350, PETRI_PLACES=82, PETRI_TRANSITIONS=84} [2022-11-25 15:57:26,938 INFO L288 CegarLoopForPetriNet]: 85 programPoint places, -3 predicate places. [2022-11-25 15:57:26,938 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 84 transitions, 350 flow [2022-11-25 15:57:26,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 213.0) internal successors, (639), 3 states have internal predecessors, (639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:26,939 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 15:57:26,939 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:57:26,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 15:57:26,940 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-25 15:57:26,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:57:26,940 INFO L85 PathProgramCache]: Analyzing trace with hash -2117451621, now seen corresponding path program 1 times [2022-11-25 15:57:26,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:57:26,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538713853] [2022-11-25 15:57:26,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:57:26,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:57:26,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:57:27,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:57:27,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:57:27,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538713853] [2022-11-25 15:57:27,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538713853] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:57:27,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:57:27,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 15:57:27,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083827660] [2022-11-25 15:57:27,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:57:27,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-25 15:57:27,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:57:27,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-25 15:57:27,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-25 15:57:31,427 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 496 [2022-11-25 15:57:31,428 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 84 transitions, 350 flow. Second operand has 10 states, 10 states have (on average 186.3) internal successors, (1863), 10 states have internal predecessors, (1863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:31,429 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 15:57:31,429 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 496 [2022-11-25 15:57:31,429 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 15:57:33,530 INFO L130 PetriNetUnfolder]: 995/1770 cut-off events. [2022-11-25 15:57:33,530 INFO L131 PetriNetUnfolder]: For 2076/2076 co-relation queries the response was YES. [2022-11-25 15:57:33,534 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6026 conditions, 1770 events. 995/1770 cut-off events. For 2076/2076 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 8789 event pairs, 46 based on Foata normal form. 24/1788 useless extension candidates. Maximal degree in co-relation 6014. Up to 899 conditions per place. [2022-11-25 15:57:33,543 INFO L137 encePairwiseOnDemand]: 483/496 looper letters, 125 selfloop transitions, 36 changer transitions 0/180 dead transitions. [2022-11-25 15:57:33,543 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 180 transitions, 1185 flow [2022-11-25 15:57:33,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-25 15:57:33,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-11-25 15:57:33,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1967 transitions. [2022-11-25 15:57:33,551 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.39657258064516127 [2022-11-25 15:57:33,551 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1967 transitions. [2022-11-25 15:57:33,551 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1967 transitions. [2022-11-25 15:57:33,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:57:33,553 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1967 transitions. [2022-11-25 15:57:33,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 196.7) internal successors, (1967), 10 states have internal predecessors, (1967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:33,567 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 496.0) internal successors, (5456), 11 states have internal predecessors, (5456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:33,569 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 496.0) internal successors, (5456), 11 states have internal predecessors, (5456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:33,569 INFO L175 Difference]: Start difference. First operand has 82 places, 84 transitions, 350 flow. Second operand 10 states and 1967 transitions. [2022-11-25 15:57:33,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 180 transitions, 1185 flow [2022-11-25 15:57:33,575 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 180 transitions, 1183 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-25 15:57:33,578 INFO L231 Difference]: Finished difference. Result has 96 places, 117 transitions, 754 flow [2022-11-25 15:57:33,578 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=496, PETRI_DIFFERENCE_MINUEND_FLOW=349, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=754, PETRI_PLACES=96, PETRI_TRANSITIONS=117} [2022-11-25 15:57:33,579 INFO L288 CegarLoopForPetriNet]: 85 programPoint places, 11 predicate places. [2022-11-25 15:57:33,579 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 117 transitions, 754 flow [2022-11-25 15:57:33,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 186.3) internal successors, (1863), 10 states have internal predecessors, (1863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:33,580 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 15:57:33,581 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:57:33,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 15:57:33,581 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-25 15:57:33,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:57:33,582 INFO L85 PathProgramCache]: Analyzing trace with hash 812660169, now seen corresponding path program 2 times [2022-11-25 15:57:33,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:57:33,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955886815] [2022-11-25 15:57:33,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:57:33,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:57:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:57:34,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:57:34,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:57:34,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955886815] [2022-11-25 15:57:34,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955886815] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:57:34,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:57:34,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 15:57:34,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083739781] [2022-11-25 15:57:34,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:57:34,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-25 15:57:34,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:57:34,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-25 15:57:34,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-11-25 15:57:38,118 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 496 [2022-11-25 15:57:38,120 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 117 transitions, 754 flow. Second operand has 11 states, 11 states have (on average 186.1818181818182) internal successors, (2048), 11 states have internal predecessors, (2048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:38,121 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 15:57:38,121 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 496 [2022-11-25 15:57:38,121 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 15:57:41,466 INFO L130 PetriNetUnfolder]: 1109/1992 cut-off events. [2022-11-25 15:57:41,466 INFO L131 PetriNetUnfolder]: For 4754/4754 co-relation queries the response was YES. [2022-11-25 15:57:41,473 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8085 conditions, 1992 events. 1109/1992 cut-off events. For 4754/4754 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 10162 event pairs, 345 based on Foata normal form. 24/2010 useless extension candidates. Maximal degree in co-relation 8067. Up to 1267 conditions per place. [2022-11-25 15:57:41,483 INFO L137 encePairwiseOnDemand]: 481/496 looper letters, 101 selfloop transitions, 53 changer transitions 0/173 dead transitions. [2022-11-25 15:57:41,483 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 173 transitions, 1353 flow [2022-11-25 15:57:41,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 15:57:41,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-11-25 15:57:41,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1778 transitions. [2022-11-25 15:57:41,490 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.3982974910394265 [2022-11-25 15:57:41,490 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1778 transitions. [2022-11-25 15:57:41,490 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1778 transitions. [2022-11-25 15:57:41,491 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:57:41,491 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1778 transitions. [2022-11-25 15:57:41,495 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 197.55555555555554) internal successors, (1778), 9 states have internal predecessors, (1778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:41,530 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 496.0) internal successors, (4960), 10 states have internal predecessors, (4960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:41,532 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 496.0) internal successors, (4960), 10 states have internal predecessors, (4960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:41,532 INFO L175 Difference]: Start difference. First operand has 96 places, 117 transitions, 754 flow. Second operand 9 states and 1778 transitions. [2022-11-25 15:57:41,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 173 transitions, 1353 flow [2022-11-25 15:57:41,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 173 transitions, 1341 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-11-25 15:57:41,555 INFO L231 Difference]: Finished difference. Result has 104 places, 131 transitions, 1083 flow [2022-11-25 15:57:41,555 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=496, PETRI_DIFFERENCE_MINUEND_FLOW=746, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1083, PETRI_PLACES=104, PETRI_TRANSITIONS=131} [2022-11-25 15:57:41,558 INFO L288 CegarLoopForPetriNet]: 85 programPoint places, 19 predicate places. [2022-11-25 15:57:41,558 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 131 transitions, 1083 flow [2022-11-25 15:57:41,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 186.1818181818182) internal successors, (2048), 11 states have internal predecessors, (2048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:41,560 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 15:57:41,560 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:57:41,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 15:57:41,560 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-25 15:57:41,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:57:41,561 INFO L85 PathProgramCache]: Analyzing trace with hash 2037037124, now seen corresponding path program 1 times [2022-11-25 15:57:41,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:57:41,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424445654] [2022-11-25 15:57:41,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:57:41,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:57:41,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:57:42,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:57:42,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:57:42,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424445654] [2022-11-25 15:57:42,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424445654] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:57:42,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:57:42,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 15:57:42,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862432499] [2022-11-25 15:57:42,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:57:42,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-25 15:57:42,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:57:42,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-25 15:57:42,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-25 15:57:45,362 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 496 [2022-11-25 15:57:45,364 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 131 transitions, 1083 flow. Second operand has 10 states, 10 states have (on average 186.3) internal successors, (1863), 10 states have internal predecessors, (1863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:45,364 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 15:57:45,364 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 496 [2022-11-25 15:57:45,364 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 15:57:48,153 INFO L130 PetriNetUnfolder]: 1333/2330 cut-off events. [2022-11-25 15:57:48,153 INFO L131 PetriNetUnfolder]: For 9032/9037 co-relation queries the response was YES. [2022-11-25 15:57:48,162 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10752 conditions, 2330 events. 1333/2330 cut-off events. For 9032/9037 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 12432 event pairs, 116 based on Foata normal form. 25/2354 useless extension candidates. Maximal degree in co-relation 10731. Up to 1267 conditions per place. [2022-11-25 15:57:48,175 INFO L137 encePairwiseOnDemand]: 483/496 looper letters, 198 selfloop transitions, 56 changer transitions 0/273 dead transitions. [2022-11-25 15:57:48,175 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 273 transitions, 2740 flow [2022-11-25 15:57:48,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-25 15:57:48,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-11-25 15:57:48,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1979 transitions. [2022-11-25 15:57:48,183 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.39899193548387096 [2022-11-25 15:57:48,183 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1979 transitions. [2022-11-25 15:57:48,184 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1979 transitions. [2022-11-25 15:57:48,185 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:57:48,186 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1979 transitions. [2022-11-25 15:57:48,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 197.9) internal successors, (1979), 10 states have internal predecessors, (1979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:48,199 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 496.0) internal successors, (5456), 11 states have internal predecessors, (5456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:48,201 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 496.0) internal successors, (5456), 11 states have internal predecessors, (5456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:48,201 INFO L175 Difference]: Start difference. First operand has 104 places, 131 transitions, 1083 flow. Second operand 10 states and 1979 transitions. [2022-11-25 15:57:48,201 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 273 transitions, 2740 flow [2022-11-25 15:57:48,227 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 273 transitions, 2659 flow, removed 3 selfloop flow, removed 5 redundant places. [2022-11-25 15:57:48,232 INFO L231 Difference]: Finished difference. Result has 114 places, 182 transitions, 1796 flow [2022-11-25 15:57:48,232 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=496, PETRI_DIFFERENCE_MINUEND_FLOW=1044, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1796, PETRI_PLACES=114, PETRI_TRANSITIONS=182} [2022-11-25 15:57:48,233 INFO L288 CegarLoopForPetriNet]: 85 programPoint places, 29 predicate places. [2022-11-25 15:57:48,233 INFO L495 AbstractCegarLoop]: Abstraction has has 114 places, 182 transitions, 1796 flow [2022-11-25 15:57:48,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 186.3) internal successors, (1863), 10 states have internal predecessors, (1863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:48,235 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 15:57:48,235 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:57:48,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 15:57:48,236 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-25 15:57:48,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:57:48,236 INFO L85 PathProgramCache]: Analyzing trace with hash 524698867, now seen corresponding path program 3 times [2022-11-25 15:57:48,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:57:48,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145416704] [2022-11-25 15:57:48,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:57:48,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:57:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:57:49,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:57:49,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:57:49,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145416704] [2022-11-25 15:57:49,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145416704] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:57:49,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:57:49,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 15:57:49,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130240082] [2022-11-25 15:57:49,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:57:49,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-25 15:57:49,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:57:49,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-25 15:57:49,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-25 15:57:52,638 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 496 [2022-11-25 15:57:52,640 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 182 transitions, 1796 flow. Second operand has 11 states, 11 states have (on average 186.1818181818182) internal successors, (2048), 11 states have internal predecessors, (2048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:52,640 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 15:57:52,640 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 496 [2022-11-25 15:57:52,640 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 15:57:55,755 INFO L130 PetriNetUnfolder]: 1671/2954 cut-off events. [2022-11-25 15:57:55,755 INFO L131 PetriNetUnfolder]: For 15969/15969 co-relation queries the response was YES. [2022-11-25 15:57:55,766 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15166 conditions, 2954 events. 1671/2954 cut-off events. For 15969/15969 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 16538 event pairs, 399 based on Foata normal form. 24/2972 useless extension candidates. Maximal degree in co-relation 15139. Up to 1555 conditions per place. [2022-11-25 15:57:55,781 INFO L137 encePairwiseOnDemand]: 481/496 looper letters, 167 selfloop transitions, 120 changer transitions 0/306 dead transitions. [2022-11-25 15:57:55,781 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 306 transitions, 3569 flow [2022-11-25 15:57:55,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-25 15:57:55,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-11-25 15:57:55,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1977 transitions. [2022-11-25 15:57:55,789 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.39858870967741933 [2022-11-25 15:57:55,789 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1977 transitions. [2022-11-25 15:57:55,789 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1977 transitions. [2022-11-25 15:57:55,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:57:55,791 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1977 transitions. [2022-11-25 15:57:55,796 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 197.7) internal successors, (1977), 10 states have internal predecessors, (1977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:55,852 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 496.0) internal successors, (5456), 11 states have internal predecessors, (5456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:55,853 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 496.0) internal successors, (5456), 11 states have internal predecessors, (5456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:55,853 INFO L175 Difference]: Start difference. First operand has 114 places, 182 transitions, 1796 flow. Second operand 10 states and 1977 transitions. [2022-11-25 15:57:55,853 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 306 transitions, 3569 flow [2022-11-25 15:57:55,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 306 transitions, 3554 flow, removed 2 selfloop flow, removed 2 redundant places. [2022-11-25 15:57:55,913 INFO L231 Difference]: Finished difference. Result has 127 places, 242 transitions, 3026 flow [2022-11-25 15:57:55,914 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=496, PETRI_DIFFERENCE_MINUEND_FLOW=1787, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=3026, PETRI_PLACES=127, PETRI_TRANSITIONS=242} [2022-11-25 15:57:55,915 INFO L288 CegarLoopForPetriNet]: 85 programPoint places, 42 predicate places. [2022-11-25 15:57:55,915 INFO L495 AbstractCegarLoop]: Abstraction has has 127 places, 242 transitions, 3026 flow [2022-11-25 15:57:55,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 186.1818181818182) internal successors, (2048), 11 states have internal predecessors, (2048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:57:55,916 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 15:57:55,916 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:57:55,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 15:57:55,917 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-25 15:57:55,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:57:55,918 INFO L85 PathProgramCache]: Analyzing trace with hash 819976479, now seen corresponding path program 4 times [2022-11-25 15:57:55,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:57:55,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741814392] [2022-11-25 15:57:55,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:57:55,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:57:55,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:57:56,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:57:56,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:57:56,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741814392] [2022-11-25 15:57:56,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741814392] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:57:56,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:57:56,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 15:57:56,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843468764] [2022-11-25 15:57:56,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:57:56,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-25 15:57:56,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:57:56,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-25 15:57:56,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-25 15:58:00,772 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 496 [2022-11-25 15:58:00,777 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 242 transitions, 3026 flow. Second operand has 11 states, 11 states have (on average 186.1818181818182) internal successors, (2048), 11 states have internal predecessors, (2048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:58:00,778 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 15:58:00,778 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 496 [2022-11-25 15:58:00,778 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 15:58:04,329 INFO L130 PetriNetUnfolder]: 1838/3261 cut-off events. [2022-11-25 15:58:04,330 INFO L131 PetriNetUnfolder]: For 25346/25346 co-relation queries the response was YES. [2022-11-25 15:58:04,340 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18814 conditions, 3261 events. 1838/3261 cut-off events. For 25346/25346 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 19018 event pairs, 503 based on Foata normal form. 24/3279 useless extension candidates. Maximal degree in co-relation 18781. Up to 2108 conditions per place. [2022-11-25 15:58:04,358 INFO L137 encePairwiseOnDemand]: 481/496 looper letters, 164 selfloop transitions, 138 changer transitions 0/321 dead transitions. [2022-11-25 15:58:04,358 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 321 transitions, 4346 flow [2022-11-25 15:58:04,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-25 15:58:04,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-11-25 15:58:04,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1973 transitions. [2022-11-25 15:58:04,365 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.3977822580645161 [2022-11-25 15:58:04,365 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1973 transitions. [2022-11-25 15:58:04,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1973 transitions. [2022-11-25 15:58:04,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:58:04,367 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1973 transitions. [2022-11-25 15:58:04,372 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 197.3) internal successors, (1973), 10 states have internal predecessors, (1973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:58:04,380 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 496.0) internal successors, (5456), 11 states have internal predecessors, (5456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:58:04,382 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 496.0) internal successors, (5456), 11 states have internal predecessors, (5456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:58:04,382 INFO L175 Difference]: Start difference. First operand has 127 places, 242 transitions, 3026 flow. Second operand 10 states and 1973 transitions. [2022-11-25 15:58:04,382 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 321 transitions, 4346 flow [2022-11-25 15:58:04,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 321 transitions, 4239 flow, removed 47 selfloop flow, removed 3 redundant places. [2022-11-25 15:58:04,498 INFO L231 Difference]: Finished difference. Result has 138 places, 270 transitions, 3919 flow [2022-11-25 15:58:04,499 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=496, PETRI_DIFFERENCE_MINUEND_FLOW=2931, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=112, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=3919, PETRI_PLACES=138, PETRI_TRANSITIONS=270} [2022-11-25 15:58:04,500 INFO L288 CegarLoopForPetriNet]: 85 programPoint places, 53 predicate places. [2022-11-25 15:58:04,500 INFO L495 AbstractCegarLoop]: Abstraction has has 138 places, 270 transitions, 3919 flow [2022-11-25 15:58:04,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 186.1818181818182) internal successors, (2048), 11 states have internal predecessors, (2048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:58:04,501 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 15:58:04,501 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:58:04,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 15:58:04,501 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-25 15:58:04,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:58:04,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1297686440, now seen corresponding path program 2 times [2022-11-25 15:58:04,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:58:04,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460074805] [2022-11-25 15:58:04,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:58:04,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:58:04,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:58:05,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:58:05,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:58:05,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460074805] [2022-11-25 15:58:05,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460074805] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:58:05,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:58:05,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 15:58:05,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104929529] [2022-11-25 15:58:05,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:58:05,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-25 15:58:05,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:58:05,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-25 15:58:05,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-25 15:58:09,464 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 496 [2022-11-25 15:58:09,465 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 270 transitions, 3919 flow. Second operand has 11 states, 11 states have (on average 186.1818181818182) internal successors, (2048), 11 states have internal predecessors, (2048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:58:09,466 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 15:58:09,466 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 496 [2022-11-25 15:58:09,466 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 15:58:13,130 INFO L130 PetriNetUnfolder]: 2203/3902 cut-off events. [2022-11-25 15:58:13,131 INFO L131 PetriNetUnfolder]: For 41014/41014 co-relation queries the response was YES. [2022-11-25 15:58:13,145 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24358 conditions, 3902 events. 2203/3902 cut-off events. For 41014/41014 co-relation queries the response was YES. Maximal size of possible extension queue 202. Compared 23863 event pairs, 473 based on Foata normal form. 24/3920 useless extension candidates. Maximal degree in co-relation 24321. Up to 2329 conditions per place. [2022-11-25 15:58:13,165 INFO L137 encePairwiseOnDemand]: 481/496 looper letters, 235 selfloop transitions, 199 changer transitions 0/453 dead transitions. [2022-11-25 15:58:13,166 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 453 transitions, 7390 flow [2022-11-25 15:58:13,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-25 15:58:13,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-11-25 15:58:13,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1982 transitions. [2022-11-25 15:58:13,173 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.3995967741935484 [2022-11-25 15:58:13,173 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1982 transitions. [2022-11-25 15:58:13,173 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1982 transitions. [2022-11-25 15:58:13,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:58:13,175 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1982 transitions. [2022-11-25 15:58:13,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 198.2) internal successors, (1982), 10 states have internal predecessors, (1982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:58:13,187 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 496.0) internal successors, (5456), 11 states have internal predecessors, (5456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:58:13,188 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 496.0) internal successors, (5456), 11 states have internal predecessors, (5456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:58:13,188 INFO L175 Difference]: Start difference. First operand has 138 places, 270 transitions, 3919 flow. Second operand 10 states and 1982 transitions. [2022-11-25 15:58:13,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 453 transitions, 7390 flow [2022-11-25 15:58:13,359 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 453 transitions, 7257 flow, removed 24 selfloop flow, removed 4 redundant places. [2022-11-25 15:58:13,371 INFO L231 Difference]: Finished difference. Result has 149 places, 370 transitions, 6316 flow [2022-11-25 15:58:13,371 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=496, PETRI_DIFFERENCE_MINUEND_FLOW=3838, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=102, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=6316, PETRI_PLACES=149, PETRI_TRANSITIONS=370} [2022-11-25 15:58:13,372 INFO L288 CegarLoopForPetriNet]: 85 programPoint places, 64 predicate places. [2022-11-25 15:58:13,372 INFO L495 AbstractCegarLoop]: Abstraction has has 149 places, 370 transitions, 6316 flow [2022-11-25 15:58:13,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 186.1818181818182) internal successors, (2048), 11 states have internal predecessors, (2048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:58:13,373 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 15:58:13,373 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:58:13,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 15:58:13,374 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-25 15:58:13,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:58:13,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1163117649, now seen corresponding path program 5 times [2022-11-25 15:58:13,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:58:13,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008233066] [2022-11-25 15:58:13,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:58:13,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:58:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:58:14,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:58:14,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:58:14,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008233066] [2022-11-25 15:58:14,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008233066] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:58:14,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:58:14,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 15:58:14,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674239716] [2022-11-25 15:58:14,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:58:14,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-25 15:58:14,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:58:14,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-25 15:58:14,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-25 15:58:17,861 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 496 [2022-11-25 15:58:17,863 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 370 transitions, 6316 flow. Second operand has 11 states, 11 states have (on average 186.1818181818182) internal successors, (2048), 11 states have internal predecessors, (2048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:58:17,863 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 15:58:17,863 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 496 [2022-11-25 15:58:17,863 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 15:58:21,087 INFO L130 PetriNetUnfolder]: 2237/3997 cut-off events. [2022-11-25 15:58:21,087 INFO L131 PetriNetUnfolder]: For 51737/51737 co-relation queries the response was YES. [2022-11-25 15:58:21,110 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27151 conditions, 3997 events. 2237/3997 cut-off events. For 51737/51737 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 24662 event pairs, 662 based on Foata normal form. 24/4015 useless extension candidates. Maximal degree in co-relation 27108. Up to 2429 conditions per place. [2022-11-25 15:58:21,131 INFO L137 encePairwiseOnDemand]: 481/496 looper letters, 220 selfloop transitions, 227 changer transitions 0/466 dead transitions. [2022-11-25 15:58:21,131 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 466 transitions, 8406 flow [2022-11-25 15:58:21,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-25 15:58:21,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-11-25 15:58:21,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1975 transitions. [2022-11-25 15:58:21,138 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.39818548387096775 [2022-11-25 15:58:21,138 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1975 transitions. [2022-11-25 15:58:21,139 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1975 transitions. [2022-11-25 15:58:21,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:58:21,140 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1975 transitions. [2022-11-25 15:58:21,145 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 197.5) internal successors, (1975), 10 states have internal predecessors, (1975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:58:21,152 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 496.0) internal successors, (5456), 11 states have internal predecessors, (5456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:58:21,153 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 496.0) internal successors, (5456), 11 states have internal predecessors, (5456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:58:21,153 INFO L175 Difference]: Start difference. First operand has 149 places, 370 transitions, 6316 flow. Second operand 10 states and 1975 transitions. [2022-11-25 15:58:21,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 466 transitions, 8406 flow [2022-11-25 15:58:21,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 466 transitions, 8244 flow, removed 65 selfloop flow, removed 3 redundant places. [2022-11-25 15:58:21,425 INFO L231 Difference]: Finished difference. Result has 160 places, 416 transitions, 7863 flow [2022-11-25 15:58:21,426 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=496, PETRI_DIFFERENCE_MINUEND_FLOW=6181, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=183, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=7863, PETRI_PLACES=160, PETRI_TRANSITIONS=416} [2022-11-25 15:58:21,427 INFO L288 CegarLoopForPetriNet]: 85 programPoint places, 75 predicate places. [2022-11-25 15:58:21,427 INFO L495 AbstractCegarLoop]: Abstraction has has 160 places, 416 transitions, 7863 flow [2022-11-25 15:58:21,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 186.1818181818182) internal successors, (2048), 11 states have internal predecessors, (2048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:58:21,428 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 15:58:21,428 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:58:21,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-25 15:58:21,428 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-25 15:58:21,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:58:21,429 INFO L85 PathProgramCache]: Analyzing trace with hash 820730182, now seen corresponding path program 3 times [2022-11-25 15:58:21,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:58:21,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318699067] [2022-11-25 15:58:21,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:58:21,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:58:21,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:58:22,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:58:22,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:58:22,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318699067] [2022-11-25 15:58:22,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318699067] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:58:22,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:58:22,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 15:58:22,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583082122] [2022-11-25 15:58:22,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:58:22,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-25 15:58:22,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:58:22,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-25 15:58:22,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-25 15:58:25,956 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 496 [2022-11-25 15:58:25,957 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 416 transitions, 7863 flow. Second operand has 11 states, 11 states have (on average 186.1818181818182) internal successors, (2048), 11 states have internal predecessors, (2048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:58:25,957 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 15:58:25,957 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 496 [2022-11-25 15:58:25,957 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 15:58:29,856 INFO L130 PetriNetUnfolder]: 2412/4319 cut-off events. [2022-11-25 15:58:29,857 INFO L131 PetriNetUnfolder]: For 68328/68328 co-relation queries the response was YES. [2022-11-25 15:58:29,879 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31494 conditions, 4319 events. 2412/4319 cut-off events. For 68328/68328 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 27441 event pairs, 518 based on Foata normal form. 24/4337 useless extension candidates. Maximal degree in co-relation 31447. Up to 2940 conditions per place. [2022-11-25 15:58:29,909 INFO L137 encePairwiseOnDemand]: 481/496 looper letters, 223 selfloop transitions, 283 changer transitions 0/525 dead transitions. [2022-11-25 15:58:29,909 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 525 transitions, 10498 flow [2022-11-25 15:58:29,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-25 15:58:29,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-11-25 15:58:29,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1978 transitions. [2022-11-25 15:58:29,917 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.3987903225806452 [2022-11-25 15:58:29,917 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1978 transitions. [2022-11-25 15:58:29,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1978 transitions. [2022-11-25 15:58:29,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:58:29,919 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1978 transitions. [2022-11-25 15:58:29,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 197.8) internal successors, (1978), 10 states have internal predecessors, (1978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:58:29,933 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 496.0) internal successors, (5456), 11 states have internal predecessors, (5456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:58:29,935 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 496.0) internal successors, (5456), 11 states have internal predecessors, (5456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:58:29,935 INFO L175 Difference]: Start difference. First operand has 160 places, 416 transitions, 7863 flow. Second operand 10 states and 1978 transitions. [2022-11-25 15:58:29,935 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 525 transitions, 10498 flow [2022-11-25 15:58:30,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 525 transitions, 10372 flow, removed 45 selfloop flow, removed 3 redundant places. [2022-11-25 15:58:30,313 INFO L231 Difference]: Finished difference. Result has 171 places, 471 transitions, 10096 flow [2022-11-25 15:58:30,314 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=496, PETRI_DIFFERENCE_MINUEND_FLOW=7751, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=416, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=230, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=10096, PETRI_PLACES=171, PETRI_TRANSITIONS=471} [2022-11-25 15:58:30,314 INFO L288 CegarLoopForPetriNet]: 85 programPoint places, 86 predicate places. [2022-11-25 15:58:30,315 INFO L495 AbstractCegarLoop]: Abstraction has has 171 places, 471 transitions, 10096 flow [2022-11-25 15:58:30,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 186.1818181818182) internal successors, (2048), 11 states have internal predecessors, (2048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:58:30,315 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 15:58:30,315 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:58:30,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-25 15:58:30,316 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-25 15:58:30,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:58:30,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1188053212, now seen corresponding path program 4 times [2022-11-25 15:58:30,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:58:30,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347145368] [2022-11-25 15:58:30,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:58:30,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:58:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:58:31,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:58:31,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:58:31,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347145368] [2022-11-25 15:58:31,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347145368] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:58:31,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:58:31,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 15:58:31,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590107587] [2022-11-25 15:58:31,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:58:31,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-25 15:58:31,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:58:31,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-25 15:58:31,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-25 15:58:35,138 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 496 [2022-11-25 15:58:35,139 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 471 transitions, 10096 flow. Second operand has 11 states, 11 states have (on average 186.1818181818182) internal successors, (2048), 11 states have internal predecessors, (2048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:58:35,140 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 15:58:35,140 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 496 [2022-11-25 15:58:35,140 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 15:58:39,479 INFO L130 PetriNetUnfolder]: 2437/4400 cut-off events. [2022-11-25 15:58:39,479 INFO L131 PetriNetUnfolder]: For 82311/82311 co-relation queries the response was YES. [2022-11-25 15:58:39,500 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34191 conditions, 4400 events. 2437/4400 cut-off events. For 82311/82311 co-relation queries the response was YES. Maximal size of possible extension queue 233. Compared 28370 event pairs, 480 based on Foata normal form. 24/4418 useless extension candidates. Maximal degree in co-relation 34139. Up to 2748 conditions per place. [2022-11-25 15:58:39,520 INFO L137 encePairwiseOnDemand]: 481/496 looper letters, 265 selfloop transitions, 298 changer transitions 0/582 dead transitions. [2022-11-25 15:58:39,520 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 582 transitions, 12944 flow [2022-11-25 15:58:39,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-25 15:58:39,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-11-25 15:58:39,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1980 transitions. [2022-11-25 15:58:39,527 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.39919354838709675 [2022-11-25 15:58:39,527 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1980 transitions. [2022-11-25 15:58:39,527 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1980 transitions. [2022-11-25 15:58:39,528 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:58:39,528 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1980 transitions. [2022-11-25 15:58:39,532 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 198.0) internal successors, (1980), 10 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:58:39,538 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 496.0) internal successors, (5456), 11 states have internal predecessors, (5456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:58:39,540 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 496.0) internal successors, (5456), 11 states have internal predecessors, (5456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:58:39,540 INFO L175 Difference]: Start difference. First operand has 171 places, 471 transitions, 10096 flow. Second operand 10 states and 1980 transitions. [2022-11-25 15:58:39,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 582 transitions, 12944 flow [2022-11-25 15:58:39,942 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 582 transitions, 12775 flow, removed 38 selfloop flow, removed 4 redundant places. [2022-11-25 15:58:39,957 INFO L231 Difference]: Finished difference. Result has 181 places, 528 transitions, 12304 flow [2022-11-25 15:58:39,958 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=496, PETRI_DIFFERENCE_MINUEND_FLOW=9935, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=471, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=243, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=12304, PETRI_PLACES=181, PETRI_TRANSITIONS=528} [2022-11-25 15:58:39,958 INFO L288 CegarLoopForPetriNet]: 85 programPoint places, 96 predicate places. [2022-11-25 15:58:39,958 INFO L495 AbstractCegarLoop]: Abstraction has has 181 places, 528 transitions, 12304 flow [2022-11-25 15:58:39,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 186.1818181818182) internal successors, (2048), 11 states have internal predecessors, (2048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:58:39,959 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 15:58:39,959 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:58:39,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-25 15:58:39,960 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-25 15:58:39,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:58:39,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1941665845, now seen corresponding path program 1 times [2022-11-25 15:58:39,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:58:39,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462104560] [2022-11-25 15:58:39,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:58:39,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:58:40,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:58:41,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:58:41,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:58:41,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462104560] [2022-11-25 15:58:41,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462104560] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:58:41,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:58:41,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 15:58:41,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611966012] [2022-11-25 15:58:41,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:58:41,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-25 15:58:41,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:58:41,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-25 15:58:41,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-25 15:58:44,966 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 496 [2022-11-25 15:58:44,967 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 528 transitions, 12304 flow. Second operand has 13 states, 13 states have (on average 187.15384615384616) internal successors, (2433), 13 states have internal predecessors, (2433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:58:44,967 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 15:58:44,968 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 496 [2022-11-25 15:58:44,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 15:58:52,335 INFO L130 PetriNetUnfolder]: 4126/7451 cut-off events. [2022-11-25 15:58:52,335 INFO L131 PetriNetUnfolder]: For 155039/155039 co-relation queries the response was YES. [2022-11-25 15:58:52,380 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59072 conditions, 7451 events. 4126/7451 cut-off events. For 155039/155039 co-relation queries the response was YES. Maximal size of possible extension queue 395. Compared 52980 event pairs, 658 based on Foata normal form. 16/7455 useless extension candidates. Maximal degree in co-relation 59015. Up to 3240 conditions per place. [2022-11-25 15:58:52,411 INFO L137 encePairwiseOnDemand]: 481/496 looper letters, 630 selfloop transitions, 191 changer transitions 0/840 dead transitions. [2022-11-25 15:58:52,411 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 840 transitions, 19339 flow [2022-11-25 15:58:52,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-25 15:58:52,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2022-11-25 15:58:52,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2790 transitions. [2022-11-25 15:58:52,417 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4017857142857143 [2022-11-25 15:58:52,417 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2790 transitions. [2022-11-25 15:58:52,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2790 transitions. [2022-11-25 15:58:52,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:58:52,419 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2790 transitions. [2022-11-25 15:58:52,424 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 199.28571428571428) internal successors, (2790), 14 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) [2022-11-25 15:58:52,432 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 496.0) internal successors, (7440), 15 states have internal predecessors, (7440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:58:52,434 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 496.0) internal successors, (7440), 15 states have internal predecessors, (7440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:58:52,434 INFO L175 Difference]: Start difference. First operand has 181 places, 528 transitions, 12304 flow. Second operand 14 states and 2790 transitions. [2022-11-25 15:58:52,434 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 840 transitions, 19339 flow [2022-11-25 15:58:53,405 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 840 transitions, 19138 flow, removed 75 selfloop flow, removed 3 redundant places. [2022-11-25 15:58:53,421 INFO L231 Difference]: Finished difference. Result has 200 places, 610 transitions, 14930 flow [2022-11-25 15:58:53,421 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=496, PETRI_DIFFERENCE_MINUEND_FLOW=12164, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=528, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=115, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=14930, PETRI_PLACES=200, PETRI_TRANSITIONS=610} [2022-11-25 15:58:53,422 INFO L288 CegarLoopForPetriNet]: 85 programPoint places, 115 predicate places. [2022-11-25 15:58:53,422 INFO L495 AbstractCegarLoop]: Abstraction has has 200 places, 610 transitions, 14930 flow [2022-11-25 15:58:53,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 187.15384615384616) internal successors, (2433), 13 states have internal predecessors, (2433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:58:53,423 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 15:58:53,423 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:58:53,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-25 15:58:53,423 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-25 15:58:53,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:58:53,424 INFO L85 PathProgramCache]: Analyzing trace with hash 902106987, now seen corresponding path program 2 times [2022-11-25 15:58:53,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:58:53,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847919241] [2022-11-25 15:58:53,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:58:53,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:58:53,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:58:54,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:58:54,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:58:54,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847919241] [2022-11-25 15:58:54,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847919241] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:58:54,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:58:54,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 15:58:54,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196193342] [2022-11-25 15:58:54,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:58:54,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-25 15:58:54,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:58:54,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-25 15:58:54,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-25 15:58:59,882 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 496 [2022-11-25 15:58:59,908 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 610 transitions, 14930 flow. Second operand has 13 states, 13 states have (on average 187.15384615384616) internal successors, (2433), 13 states have internal predecessors, (2433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:58:59,908 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 15:58:59,908 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 496 [2022-11-25 15:58:59,908 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 15:59:06,547 INFO L130 PetriNetUnfolder]: 4292/7731 cut-off events. [2022-11-25 15:59:06,547 INFO L131 PetriNetUnfolder]: For 195623/195633 co-relation queries the response was YES. [2022-11-25 15:59:06,600 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64869 conditions, 7731 events. 4292/7731 cut-off events. For 195623/195633 co-relation queries the response was YES. Maximal size of possible extension queue 413. Compared 55742 event pairs, 593 based on Foata normal form. 18/7747 useless extension candidates. Maximal degree in co-relation 64803. Up to 3428 conditions per place. [2022-11-25 15:59:06,632 INFO L137 encePairwiseOnDemand]: 481/496 looper letters, 430 selfloop transitions, 292 changer transitions 0/741 dead transitions. [2022-11-25 15:59:06,633 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 741 transitions, 18089 flow [2022-11-25 15:59:06,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-25 15:59:06,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2022-11-25 15:59:06,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 3147 transitions. [2022-11-25 15:59:06,639 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.39654737903225806 [2022-11-25 15:59:06,639 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 3147 transitions. [2022-11-25 15:59:06,639 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 3147 transitions. [2022-11-25 15:59:06,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:59:06,641 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 3147 transitions. [2022-11-25 15:59:06,643 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 196.6875) internal successors, (3147), 16 states have internal predecessors, (3147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:59:06,649 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 496.0) internal successors, (8432), 17 states have internal predecessors, (8432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:59:06,649 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 496.0) internal successors, (8432), 17 states have internal predecessors, (8432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:59:06,650 INFO L175 Difference]: Start difference. First operand has 200 places, 610 transitions, 14930 flow. Second operand 16 states and 3147 transitions. [2022-11-25 15:59:06,650 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 741 transitions, 18089 flow [2022-11-25 15:59:07,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 741 transitions, 17974 flow, removed 29 selfloop flow, removed 4 redundant places. [2022-11-25 15:59:07,846 INFO L231 Difference]: Finished difference. Result has 214 places, 637 transitions, 16367 flow [2022-11-25 15:59:07,847 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=496, PETRI_DIFFERENCE_MINUEND_FLOW=14830, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=610, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=265, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=16367, PETRI_PLACES=214, PETRI_TRANSITIONS=637} [2022-11-25 15:59:07,847 INFO L288 CegarLoopForPetriNet]: 85 programPoint places, 129 predicate places. [2022-11-25 15:59:07,847 INFO L495 AbstractCegarLoop]: Abstraction has has 214 places, 637 transitions, 16367 flow [2022-11-25 15:59:07,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 187.15384615384616) internal successors, (2433), 13 states have internal predecessors, (2433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:59:07,848 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 15:59:07,848 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:59:07,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-25 15:59:07,848 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-25 15:59:07,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:59:07,849 INFO L85 PathProgramCache]: Analyzing trace with hash 259505905, now seen corresponding path program 3 times [2022-11-25 15:59:07,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:59:07,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427062965] [2022-11-25 15:59:07,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:59:07,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:59:07,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:59:08,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:59:08,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:59:08,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427062965] [2022-11-25 15:59:08,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427062965] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:59:08,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:59:08,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 15:59:08,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881374344] [2022-11-25 15:59:08,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:59:08,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-25 15:59:08,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:59:08,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-25 15:59:08,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-11-25 15:59:13,068 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 496 [2022-11-25 15:59:13,071 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 637 transitions, 16367 flow. Second operand has 13 states, 13 states have (on average 187.15384615384616) internal successors, (2433), 13 states have internal predecessors, (2433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:59:13,071 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 15:59:13,071 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 496 [2022-11-25 15:59:13,071 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 15:59:21,100 INFO L130 PetriNetUnfolder]: 4244/7686 cut-off events. [2022-11-25 15:59:21,100 INFO L131 PetriNetUnfolder]: For 217050/217055 co-relation queries the response was YES. [2022-11-25 15:59:21,162 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66847 conditions, 7686 events. 4244/7686 cut-off events. For 217050/217055 co-relation queries the response was YES. Maximal size of possible extension queue 411. Compared 55181 event pairs, 496 based on Foata normal form. 33/7712 useless extension candidates. Maximal degree in co-relation 66778. Up to 3396 conditions per place. [2022-11-25 15:59:21,196 INFO L137 encePairwiseOnDemand]: 481/496 looper letters, 543 selfloop transitions, 333 changer transitions 0/895 dead transitions. [2022-11-25 15:59:21,196 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 895 transitions, 21994 flow [2022-11-25 15:59:21,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-25 15:59:21,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2022-11-25 15:59:21,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 4517 transitions. [2022-11-25 15:59:21,206 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.3959502103786816 [2022-11-25 15:59:21,207 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 4517 transitions. [2022-11-25 15:59:21,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 4517 transitions. [2022-11-25 15:59:21,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:59:21,209 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 4517 transitions. [2022-11-25 15:59:21,214 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 196.3913043478261) internal successors, (4517), 23 states have internal predecessors, (4517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:59:21,220 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 496.0) internal successors, (11904), 24 states have internal predecessors, (11904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:59:21,222 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 496.0) internal successors, (11904), 24 states have internal predecessors, (11904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:59:21,222 INFO L175 Difference]: Start difference. First operand has 214 places, 637 transitions, 16367 flow. Second operand 23 states and 4517 transitions. [2022-11-25 15:59:21,222 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 895 transitions, 21994 flow [2022-11-25 15:59:22,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 895 transitions, 21305 flow, removed 102 selfloop flow, removed 5 redundant places. [2022-11-25 15:59:22,828 INFO L231 Difference]: Finished difference. Result has 240 places, 681 transitions, 17700 flow [2022-11-25 15:59:22,828 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=496, PETRI_DIFFERENCE_MINUEND_FLOW=15825, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=637, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=289, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=323, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=17700, PETRI_PLACES=240, PETRI_TRANSITIONS=681} [2022-11-25 15:59:22,829 INFO L288 CegarLoopForPetriNet]: 85 programPoint places, 155 predicate places. [2022-11-25 15:59:22,829 INFO L495 AbstractCegarLoop]: Abstraction has has 240 places, 681 transitions, 17700 flow [2022-11-25 15:59:22,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 187.15384615384616) internal successors, (2433), 13 states have internal predecessors, (2433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:59:22,830 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 15:59:22,830 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:59:22,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-25 15:59:22,830 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-25 15:59:22,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:59:22,831 INFO L85 PathProgramCache]: Analyzing trace with hash 909423297, now seen corresponding path program 4 times [2022-11-25 15:59:22,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:59:22,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895476305] [2022-11-25 15:59:22,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:59:22,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:59:22,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:59:23,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:59:23,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:59:23,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895476305] [2022-11-25 15:59:23,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895476305] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:59:23,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:59:23,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 15:59:23,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204510779] [2022-11-25 15:59:23,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:59:23,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-25 15:59:23,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:59:23,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-25 15:59:23,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-11-25 15:59:29,506 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 496 [2022-11-25 15:59:29,508 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 681 transitions, 17700 flow. Second operand has 13 states, 13 states have (on average 187.15384615384616) internal successors, (2433), 13 states have internal predecessors, (2433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:59:29,509 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 15:59:29,509 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 496 [2022-11-25 15:59:29,509 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 15:59:36,609 INFO L130 PetriNetUnfolder]: 4462/8085 cut-off events. [2022-11-25 15:59:36,609 INFO L131 PetriNetUnfolder]: For 244660/244670 co-relation queries the response was YES. [2022-11-25 15:59:36,667 INFO L83 FinitePrefix]: Finished finitePrefix Result has 72929 conditions, 8085 events. 4462/8085 cut-off events. For 244660/244670 co-relation queries the response was YES. Maximal size of possible extension queue 438. Compared 59167 event pairs, 593 based on Foata normal form. 18/8101 useless extension candidates. Maximal degree in co-relation 72851. Up to 3624 conditions per place. [2022-11-25 15:59:36,701 INFO L137 encePairwiseOnDemand]: 481/496 looper letters, 489 selfloop transitions, 314 changer transitions 0/822 dead transitions. [2022-11-25 15:59:36,701 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 822 transitions, 21212 flow [2022-11-25 15:59:36,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-25 15:59:36,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2022-11-25 15:59:36,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 3534 transitions. [2022-11-25 15:59:36,708 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.3958333333333333 [2022-11-25 15:59:36,709 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 3534 transitions. [2022-11-25 15:59:36,709 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 3534 transitions. [2022-11-25 15:59:36,710 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:59:36,710 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 3534 transitions. [2022-11-25 15:59:36,716 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 196.33333333333334) internal successors, (3534), 18 states have internal predecessors, (3534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:59:36,724 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 496.0) internal successors, (9424), 19 states have internal predecessors, (9424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:59:36,726 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 496.0) internal successors, (9424), 19 states have internal predecessors, (9424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:59:36,726 INFO L175 Difference]: Start difference. First operand has 240 places, 681 transitions, 17700 flow. Second operand 18 states and 3534 transitions. [2022-11-25 15:59:36,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 822 transitions, 21212 flow [2022-11-25 15:59:38,419 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 822 transitions, 20733 flow, removed 111 selfloop flow, removed 4 redundant places. [2022-11-25 15:59:38,436 INFO L231 Difference]: Finished difference. Result has 258 places, 719 transitions, 19240 flow [2022-11-25 15:59:38,437 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=496, PETRI_DIFFERENCE_MINUEND_FLOW=17281, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=681, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=276, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=382, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=19240, PETRI_PLACES=258, PETRI_TRANSITIONS=719} [2022-11-25 15:59:38,438 INFO L288 CegarLoopForPetriNet]: 85 programPoint places, 173 predicate places. [2022-11-25 15:59:38,438 INFO L495 AbstractCegarLoop]: Abstraction has has 258 places, 719 transitions, 19240 flow [2022-11-25 15:59:38,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 187.15384615384616) internal successors, (2433), 13 states have internal predecessors, (2433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:59:38,438 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 15:59:38,438 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:59:38,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-25 15:59:38,439 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-25 15:59:38,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:59:38,439 INFO L85 PathProgramCache]: Analyzing trace with hash 860022859, now seen corresponding path program 5 times [2022-11-25 15:59:38,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:59:38,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334235361] [2022-11-25 15:59:38,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:59:38,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:59:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:59:39,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:59:39,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:59:39,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334235361] [2022-11-25 15:59:39,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334235361] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:59:39,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:59:39,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 15:59:39,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354016569] [2022-11-25 15:59:39,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:59:39,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-25 15:59:39,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:59:39,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-25 15:59:39,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-25 15:59:43,986 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 496 [2022-11-25 15:59:43,988 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 719 transitions, 19240 flow. Second operand has 13 states, 13 states have (on average 187.15384615384616) internal successors, (2433), 13 states have internal predecessors, (2433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:59:43,988 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 15:59:43,988 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 496 [2022-11-25 15:59:43,988 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 15:59:52,116 INFO L130 PetriNetUnfolder]: 5098/9457 cut-off events. [2022-11-25 15:59:52,117 INFO L131 PetriNetUnfolder]: For 312763/312763 co-relation queries the response was YES. [2022-11-25 15:59:52,208 INFO L83 FinitePrefix]: Finished finitePrefix Result has 87693 conditions, 9457 events. 5098/9457 cut-off events. For 312763/312763 co-relation queries the response was YES. Maximal size of possible extension queue 522. Compared 72680 event pairs, 858 based on Foata normal form. 16/9461 useless extension candidates. Maximal degree in co-relation 87612. Up to 4292 conditions per place. [2022-11-25 15:59:52,251 INFO L137 encePairwiseOnDemand]: 479/496 looper letters, 585 selfloop transitions, 428 changer transitions 0/1032 dead transitions. [2022-11-25 15:59:52,251 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 1032 transitions, 28355 flow [2022-11-25 15:59:52,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-25 15:59:52,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2022-11-25 15:59:52,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 3181 transitions. [2022-11-25 15:59:52,257 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.40083165322580644 [2022-11-25 15:59:52,257 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 3181 transitions. [2022-11-25 15:59:52,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 3181 transitions. [2022-11-25 15:59:52,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:59:52,259 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 3181 transitions. [2022-11-25 15:59:52,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 198.8125) internal successors, (3181), 16 states have internal predecessors, (3181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:59:52,417 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 496.0) internal successors, (8432), 17 states have internal predecessors, (8432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:59:52,419 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 496.0) internal successors, (8432), 17 states have internal predecessors, (8432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:59:52,419 INFO L175 Difference]: Start difference. First operand has 258 places, 719 transitions, 19240 flow. Second operand 16 states and 3181 transitions. [2022-11-25 15:59:52,419 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 1032 transitions, 28355 flow [2022-11-25 15:59:55,508 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 1032 transitions, 28145 flow, removed 49 selfloop flow, removed 6 redundant places. [2022-11-25 15:59:55,529 INFO L231 Difference]: Finished difference. Result has 276 places, 844 transitions, 25025 flow [2022-11-25 15:59:55,529 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=496, PETRI_DIFFERENCE_MINUEND_FLOW=19072, PETRI_DIFFERENCE_MINUEND_PLACES=252, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=719, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=303, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=316, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=25025, PETRI_PLACES=276, PETRI_TRANSITIONS=844} [2022-11-25 15:59:55,530 INFO L288 CegarLoopForPetriNet]: 85 programPoint places, 191 predicate places. [2022-11-25 15:59:55,530 INFO L495 AbstractCegarLoop]: Abstraction has has 276 places, 844 transitions, 25025 flow [2022-11-25 15:59:55,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 187.15384615384616) internal successors, (2433), 13 states have internal predecessors, (2433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:59:55,530 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 15:59:55,531 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:59:55,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-25 15:59:55,531 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-25 15:59:55,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:59:55,532 INFO L85 PathProgramCache]: Analyzing trace with hash 406228653, now seen corresponding path program 6 times [2022-11-25 15:59:55,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:59:55,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108945937] [2022-11-25 15:59:55,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:59:55,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:59:55,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:59:56,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:59:56,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:59:56,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108945937] [2022-11-25 15:59:56,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108945937] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:59:56,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:59:56,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 15:59:56,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828228230] [2022-11-25 15:59:56,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:59:56,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-25 15:59:56,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:59:56,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-25 15:59:56,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-25 16:00:01,404 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 496 [2022-11-25 16:00:01,405 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 844 transitions, 25025 flow. Second operand has 13 states, 13 states have (on average 187.15384615384616) internal successors, (2433), 13 states have internal predecessors, (2433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:00:01,405 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 16:00:01,406 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 496 [2022-11-25 16:00:01,406 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 16:00:10,087 INFO L130 PetriNetUnfolder]: 5610/10420 cut-off events. [2022-11-25 16:00:10,087 INFO L131 PetriNetUnfolder]: For 392171/392181 co-relation queries the response was YES. [2022-11-25 16:00:10,210 INFO L83 FinitePrefix]: Finished finitePrefix Result has 100544 conditions, 10420 events. 5610/10420 cut-off events. For 392171/392181 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 82177 event pairs, 979 based on Foata normal form. 18/10436 useless extension candidates. Maximal degree in co-relation 100454. Up to 5103 conditions per place. [2022-11-25 16:00:10,258 INFO L137 encePairwiseOnDemand]: 481/496 looper letters, 684 selfloop transitions, 315 changer transitions 0/1018 dead transitions. [2022-11-25 16:00:10,258 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 1018 transitions, 30285 flow [2022-11-25 16:00:10,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 16:00:10,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2022-11-25 16:00:10,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2956 transitions. [2022-11-25 16:00:10,262 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.39731182795698927 [2022-11-25 16:00:10,262 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2956 transitions. [2022-11-25 16:00:10,262 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2956 transitions. [2022-11-25 16:00:10,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:00:10,263 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2956 transitions. [2022-11-25 16:00:10,266 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 197.06666666666666) internal successors, (2956), 15 states have internal predecessors, (2956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:00:10,273 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 496.0) internal successors, (7936), 16 states have internal predecessors, (7936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:00:10,274 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 496.0) internal successors, (7936), 16 states have internal predecessors, (7936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:00:10,274 INFO L175 Difference]: Start difference. First operand has 276 places, 844 transitions, 25025 flow. Second operand 15 states and 2956 transitions. [2022-11-25 16:00:10,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 1018 transitions, 30285 flow [2022-11-25 16:00:15,456 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 1018 transitions, 30110 flow, removed 30 selfloop flow, removed 5 redundant places. [2022-11-25 16:00:15,486 INFO L231 Difference]: Finished difference. Result has 294 places, 908 transitions, 28046 flow [2022-11-25 16:00:15,487 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=496, PETRI_DIFFERENCE_MINUEND_FLOW=24866, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=844, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=251, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=542, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=28046, PETRI_PLACES=294, PETRI_TRANSITIONS=908} [2022-11-25 16:00:15,487 INFO L288 CegarLoopForPetriNet]: 85 programPoint places, 209 predicate places. [2022-11-25 16:00:15,488 INFO L495 AbstractCegarLoop]: Abstraction has has 294 places, 908 transitions, 28046 flow [2022-11-25 16:00:15,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 187.15384615384616) internal successors, (2433), 13 states have internal predecessors, (2433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:00:15,488 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 16:00:15,488 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:00:15,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-25 16:00:15,489 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-25 16:00:15,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:00:15,489 INFO L85 PathProgramCache]: Analyzing trace with hash -7215457, now seen corresponding path program 7 times [2022-11-25 16:00:15,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:00:15,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770203837] [2022-11-25 16:00:15,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:00:15,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:00:15,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:00:16,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:00:16,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:00:16,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770203837] [2022-11-25 16:00:16,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770203837] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:00:16,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:00:16,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 16:00:16,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855376178] [2022-11-25 16:00:16,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:00:16,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-25 16:00:16,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:00:16,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-25 16:00:16,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-11-25 16:00:21,427 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 496 [2022-11-25 16:00:21,429 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 908 transitions, 28046 flow. Second operand has 13 states, 13 states have (on average 187.15384615384616) internal successors, (2433), 13 states have internal predecessors, (2433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:00:21,429 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 16:00:21,429 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 496 [2022-11-25 16:00:21,429 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 16:00:31,013 INFO L130 PetriNetUnfolder]: 6015/11342 cut-off events. [2022-11-25 16:00:31,013 INFO L131 PetriNetUnfolder]: For 478671/478671 co-relation queries the response was YES. [2022-11-25 16:00:31,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 112273 conditions, 11342 events. 6015/11342 cut-off events. For 478671/478671 co-relation queries the response was YES. Maximal size of possible extension queue 645. Compared 92172 event pairs, 1167 based on Foata normal form. 16/11346 useless extension candidates. Maximal degree in co-relation 112174. Up to 5250 conditions per place. [2022-11-25 16:00:31,190 INFO L137 encePairwiseOnDemand]: 479/496 looper letters, 769 selfloop transitions, 332 changer transitions 0/1120 dead transitions. [2022-11-25 16:00:31,191 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 1120 transitions, 34238 flow [2022-11-25 16:00:31,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-25 16:00:31,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2022-11-25 16:00:31,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2783 transitions. [2022-11-25 16:00:31,194 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.40077764976958524 [2022-11-25 16:00:31,195 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2783 transitions. [2022-11-25 16:00:31,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2783 transitions. [2022-11-25 16:00:31,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:00:31,196 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2783 transitions. [2022-11-25 16:00:31,198 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 198.78571428571428) internal successors, (2783), 14 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) [2022-11-25 16:00:31,202 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 496.0) internal successors, (7440), 15 states have internal predecessors, (7440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:00:31,203 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 496.0) internal successors, (7440), 15 states have internal predecessors, (7440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:00:31,203 INFO L175 Difference]: Start difference. First operand has 294 places, 908 transitions, 28046 flow. Second operand 14 states and 2783 transitions. [2022-11-25 16:00:31,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 1120 transitions, 34238 flow [2022-11-25 16:00:37,891 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 1120 transitions, 34149 flow, removed 31 selfloop flow, removed 4 redundant places. [2022-11-25 16:00:37,932 INFO L231 Difference]: Finished difference. Result has 310 places, 965 transitions, 31137 flow [2022-11-25 16:00:37,934 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=496, PETRI_DIFFERENCE_MINUEND_FLOW=27960, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=908, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=275, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=591, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=31137, PETRI_PLACES=310, PETRI_TRANSITIONS=965} [2022-11-25 16:00:37,934 INFO L288 CegarLoopForPetriNet]: 85 programPoint places, 225 predicate places. [2022-11-25 16:00:37,934 INFO L495 AbstractCegarLoop]: Abstraction has has 310 places, 965 transitions, 31137 flow [2022-11-25 16:00:37,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 187.15384615384616) internal successors, (2433), 13 states have internal predecessors, (2433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:00:37,935 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 16:00:37,936 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:00:37,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-25 16:00:37,936 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-25 16:00:37,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:00:37,937 INFO L85 PathProgramCache]: Analyzing trace with hash 700023745, now seen corresponding path program 8 times [2022-11-25 16:00:37,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:00:37,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687435646] [2022-11-25 16:00:37,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:00:37,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:00:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:00:38,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:00:38,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:00:38,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687435646] [2022-11-25 16:00:38,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687435646] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:00:38,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:00:38,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 16:00:38,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220106467] [2022-11-25 16:00:38,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:00:38,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-25 16:00:38,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:00:38,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-25 16:00:38,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-11-25 16:00:42,414 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 496 [2022-11-25 16:00:42,416 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 965 transitions, 31137 flow. Second operand has 13 states, 13 states have (on average 187.15384615384616) internal successors, (2433), 13 states have internal predecessors, (2433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:00:42,416 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 16:00:42,416 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 496 [2022-11-25 16:00:42,416 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 16:00:52,568 INFO L130 PetriNetUnfolder]: 6317/11854 cut-off events. [2022-11-25 16:00:52,568 INFO L131 PetriNetUnfolder]: For 566566/566576 co-relation queries the response was YES. [2022-11-25 16:00:52,695 INFO L83 FinitePrefix]: Finished finitePrefix Result has 121089 conditions, 11854 events. 6317/11854 cut-off events. For 566566/566576 co-relation queries the response was YES. Maximal size of possible extension queue 675. Compared 97289 event pairs, 853 based on Foata normal form. 18/11870 useless extension candidates. Maximal degree in co-relation 120983. Up to 5542 conditions per place. [2022-11-25 16:00:52,748 INFO L137 encePairwiseOnDemand]: 481/496 looper letters, 656 selfloop transitions, 458 changer transitions 0/1133 dead transitions. [2022-11-25 16:00:52,748 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 331 places, 1133 transitions, 35914 flow [2022-11-25 16:00:52,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-25 16:00:52,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2022-11-25 16:00:52,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 4308 transitions. [2022-11-25 16:00:52,754 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.3947947214076246 [2022-11-25 16:00:52,755 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 4308 transitions. [2022-11-25 16:00:52,755 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 4308 transitions. [2022-11-25 16:00:52,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:00:52,757 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 4308 transitions. [2022-11-25 16:00:52,763 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 195.8181818181818) internal successors, (4308), 22 states have internal predecessors, (4308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:00:52,771 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 496.0) internal successors, (11408), 23 states have internal predecessors, (11408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:00:52,773 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 496.0) internal successors, (11408), 23 states have internal predecessors, (11408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:00:52,774 INFO L175 Difference]: Start difference. First operand has 310 places, 965 transitions, 31137 flow. Second operand 22 states and 4308 transitions. [2022-11-25 16:00:52,774 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 331 places, 1133 transitions, 35914 flow [2022-11-25 16:01:00,727 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 1133 transitions, 35846 flow, removed 30 selfloop flow, removed 3 redundant places. [2022-11-25 16:01:00,758 INFO L231 Difference]: Finished difference. Result has 337 places, 1026 transitions, 34406 flow [2022-11-25 16:01:00,758 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=496, PETRI_DIFFERENCE_MINUEND_FLOW=31069, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=965, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=397, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=537, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=34406, PETRI_PLACES=337, PETRI_TRANSITIONS=1026} [2022-11-25 16:01:00,759 INFO L288 CegarLoopForPetriNet]: 85 programPoint places, 252 predicate places. [2022-11-25 16:01:00,759 INFO L495 AbstractCegarLoop]: Abstraction has has 337 places, 1026 transitions, 34406 flow [2022-11-25 16:01:00,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 187.15384615384616) internal successors, (2433), 13 states have internal predecessors, (2433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:01:00,760 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 16:01:00,760 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:01:00,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-25 16:01:00,760 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-25 16:01:00,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:01:00,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1246093087, now seen corresponding path program 9 times [2022-11-25 16:01:00,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:01:00,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203946182] [2022-11-25 16:01:00,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:01:00,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:01:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:01,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:01:01,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:01:01,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203946182] [2022-11-25 16:01:01,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203946182] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:01:01,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:01:01,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 16:01:01,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239477819] [2022-11-25 16:01:01,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:01:01,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-25 16:01:01,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:01:01,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-25 16:01:01,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-11-25 16:01:06,784 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 496 [2022-11-25 16:01:06,786 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 1026 transitions, 34406 flow. Second operand has 13 states, 13 states have (on average 187.15384615384616) internal successors, (2433), 13 states have internal predecessors, (2433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:01:06,786 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 16:01:06,786 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 496 [2022-11-25 16:01:06,787 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 16:01:20,193 INFO L130 PetriNetUnfolder]: 6494/12269 cut-off events. [2022-11-25 16:01:20,193 INFO L131 PetriNetUnfolder]: For 630980/630980 co-relation queries the response was YES. [2022-11-25 16:01:20,385 INFO L83 FinitePrefix]: Finished finitePrefix Result has 129313 conditions, 12269 events. 6494/12269 cut-off events. For 630980/630980 co-relation queries the response was YES. Maximal size of possible extension queue 700. Compared 101619 event pairs, 1220 based on Foata normal form. 16/12273 useless extension candidates. Maximal degree in co-relation 129198. Up to 5704 conditions per place. [2022-11-25 16:01:20,443 INFO L137 encePairwiseOnDemand]: 479/496 looper letters, 821 selfloop transitions, 354 changer transitions 0/1194 dead transitions. [2022-11-25 16:01:20,444 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 350 places, 1194 transitions, 39585 flow [2022-11-25 16:01:20,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-25 16:01:20,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2022-11-25 16:01:20,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2785 transitions. [2022-11-25 16:01:20,449 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.40106566820276496 [2022-11-25 16:01:20,449 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2785 transitions. [2022-11-25 16:01:20,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2785 transitions. [2022-11-25 16:01:20,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:01:20,450 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2785 transitions. [2022-11-25 16:01:20,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 198.92857142857142) internal successors, (2785), 14 states have internal predecessors, (2785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:01:20,460 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 496.0) internal successors, (7440), 15 states have internal predecessors, (7440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:01:20,462 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 496.0) internal successors, (7440), 15 states have internal predecessors, (7440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:01:20,462 INFO L175 Difference]: Start difference. First operand has 337 places, 1026 transitions, 34406 flow. Second operand 14 states and 2785 transitions. [2022-11-25 16:01:20,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 350 places, 1194 transitions, 39585 flow [2022-11-25 16:01:29,899 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 1194 transitions, 39395 flow, removed 91 selfloop flow, removed 3 redundant places. [2022-11-25 16:01:29,937 INFO L231 Difference]: Finished difference. Result has 353 places, 1051 transitions, 36355 flow [2022-11-25 16:01:29,937 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=496, PETRI_DIFFERENCE_MINUEND_FLOW=34234, PETRI_DIFFERENCE_MINUEND_PLACES=334, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1026, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=330, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=676, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=36355, PETRI_PLACES=353, PETRI_TRANSITIONS=1051} [2022-11-25 16:01:29,938 INFO L288 CegarLoopForPetriNet]: 85 programPoint places, 268 predicate places. [2022-11-25 16:01:29,938 INFO L495 AbstractCegarLoop]: Abstraction has has 353 places, 1051 transitions, 36355 flow [2022-11-25 16:01:29,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 187.15384615384616) internal successors, (2433), 13 states have internal predecessors, (2433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:01:29,938 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 16:01:29,938 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:01:29,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-25 16:01:29,938 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-25 16:01:29,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:01:29,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1933711985, now seen corresponding path program 10 times [2022-11-25 16:01:29,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:01:29,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424635940] [2022-11-25 16:01:29,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:01:29,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:01:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:30,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:01:30,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:01:30,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424635940] [2022-11-25 16:01:30,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424635940] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:01:30,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:01:30,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 16:01:30,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598002699] [2022-11-25 16:01:30,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:01:30,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-25 16:01:30,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:01:30,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-25 16:01:30,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-11-25 16:01:34,812 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 496 [2022-11-25 16:01:34,813 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 1051 transitions, 36355 flow. Second operand has 13 states, 13 states have (on average 187.15384615384616) internal successors, (2433), 13 states have internal predecessors, (2433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:01:34,813 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 16:01:34,813 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 496 [2022-11-25 16:01:34,814 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 16:01:49,107 INFO L130 PetriNetUnfolder]: 7992/14979 cut-off events. [2022-11-25 16:01:49,107 INFO L131 PetriNetUnfolder]: For 843224/843234 co-relation queries the response was YES. [2022-11-25 16:01:49,361 INFO L83 FinitePrefix]: Finished finitePrefix Result has 161289 conditions, 14979 events. 7992/14979 cut-off events. For 843224/843234 co-relation queries the response was YES. Maximal size of possible extension queue 863. Compared 127242 event pairs, 1085 based on Foata normal form. 18/14990 useless extension candidates. Maximal degree in co-relation 161168. Up to 7013 conditions per place. [2022-11-25 16:01:49,432 INFO L137 encePairwiseOnDemand]: 481/496 looper letters, 928 selfloop transitions, 428 changer transitions 0/1375 dead transitions. [2022-11-25 16:01:49,432 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 368 places, 1375 transitions, 47575 flow [2022-11-25 16:01:49,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-25 16:01:49,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2022-11-25 16:01:49,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 3171 transitions. [2022-11-25 16:01:49,437 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.3995715725806452 [2022-11-25 16:01:49,437 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 3171 transitions. [2022-11-25 16:01:49,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 3171 transitions. [2022-11-25 16:01:49,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:01:49,438 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 3171 transitions. [2022-11-25 16:01:49,443 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 198.1875) internal successors, (3171), 16 states have internal predecessors, (3171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:01:49,450 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 496.0) internal successors, (8432), 17 states have internal predecessors, (8432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:01:49,452 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 496.0) internal successors, (8432), 17 states have internal predecessors, (8432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:01:49,452 INFO L175 Difference]: Start difference. First operand has 353 places, 1051 transitions, 36355 flow. Second operand 16 states and 3171 transitions. [2022-11-25 16:01:49,452 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 368 places, 1375 transitions, 47575 flow [2022-11-25 16:02:02,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 1375 transitions, 47372 flow, removed 56 selfloop flow, removed 5 redundant places. [2022-11-25 16:02:02,080 INFO L231 Difference]: Finished difference. Result has 372 places, 1159 transitions, 42212 flow [2022-11-25 16:02:02,081 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=496, PETRI_DIFFERENCE_MINUEND_FLOW=36176, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1051, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=322, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=658, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=42212, PETRI_PLACES=372, PETRI_TRANSITIONS=1159} [2022-11-25 16:02:02,081 INFO L288 CegarLoopForPetriNet]: 85 programPoint places, 287 predicate places. [2022-11-25 16:02:02,082 INFO L495 AbstractCegarLoop]: Abstraction has has 372 places, 1159 transitions, 42212 flow [2022-11-25 16:02:02,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 187.15384615384616) internal successors, (2433), 13 states have internal predecessors, (2433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:02:02,082 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 16:02:02,082 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:02:02,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-25 16:02:02,082 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-25 16:02:02,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:02:02,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1513739319, now seen corresponding path program 11 times [2022-11-25 16:02:02,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:02:02,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103537911] [2022-11-25 16:02:02,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:02:02,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:02:02,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:03,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:02:03,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:02:03,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103537911] [2022-11-25 16:02:03,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103537911] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:02:03,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:02:03,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 16:02:03,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626961321] [2022-11-25 16:02:03,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:02:03,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-25 16:02:03,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:02:03,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-25 16:02:03,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-25 16:02:07,821 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 496 [2022-11-25 16:02:07,823 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 1159 transitions, 42212 flow. Second operand has 13 states, 13 states have (on average 187.15384615384616) internal successors, (2433), 13 states have internal predecessors, (2433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:02:07,823 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 16:02:07,823 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 496 [2022-11-25 16:02:07,823 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 16:02:24,217 INFO L130 PetriNetUnfolder]: 8326/15733 cut-off events. [2022-11-25 16:02:24,217 INFO L131 PetriNetUnfolder]: For 984050/984050 co-relation queries the response was YES. [2022-11-25 16:02:24,525 INFO L83 FinitePrefix]: Finished finitePrefix Result has 173015 conditions, 15733 events. 8326/15733 cut-off events. For 984050/984050 co-relation queries the response was YES. Maximal size of possible extension queue 885. Compared 134995 event pairs, 1481 based on Foata normal form. 16/15732 useless extension candidates. Maximal degree in co-relation 172885. Up to 7341 conditions per place. [2022-11-25 16:02:24,603 INFO L137 encePairwiseOnDemand]: 479/496 looper letters, 807 selfloop transitions, 561 changer transitions 0/1387 dead transitions. [2022-11-25 16:02:24,603 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 1387 transitions, 48899 flow [2022-11-25 16:02:24,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-25 16:02:24,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2022-11-25 16:02:24,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 4354 transitions. [2022-11-25 16:02:24,610 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.39901026392961875 [2022-11-25 16:02:24,610 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 4354 transitions. [2022-11-25 16:02:24,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 4354 transitions. [2022-11-25 16:02:24,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:02:24,612 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 4354 transitions. [2022-11-25 16:02:24,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 197.9090909090909) internal successors, (4354), 22 states have internal predecessors, (4354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:02:24,627 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 496.0) internal successors, (11408), 23 states have internal predecessors, (11408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:02:24,629 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 496.0) internal successors, (11408), 23 states have internal predecessors, (11408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:02:24,629 INFO L175 Difference]: Start difference. First operand has 372 places, 1159 transitions, 42212 flow. Second operand 22 states and 4354 transitions. [2022-11-25 16:02:24,630 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 1387 transitions, 48899 flow