./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed39ba81-687b-446c-985f-974bd2f837e8/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed39ba81-687b-446c-985f-974bd2f837e8/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed39ba81-687b-446c-985f-974bd2f837e8/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed39ba81-687b-446c-985f-974bd2f837e8/bin/uautomizer-DrprNOufMa/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_ed39ba81-687b-446c-985f-974bd2f837e8/bin/uautomizer-DrprNOufMa/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed39ba81-687b-446c-985f-974bd2f837e8/bin/uautomizer-DrprNOufMa --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 --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 18:09:44,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 18:09:44,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 18:09:44,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 18:09:44,490 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 18:09:44,491 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 18:09:44,492 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 18:09:44,494 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 18:09:44,496 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 18:09:44,497 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 18:09:44,497 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 18:09:44,498 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 18:09:44,499 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 18:09:44,500 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 18:09:44,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 18:09:44,502 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 18:09:44,503 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 18:09:44,504 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 18:09:44,505 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 18:09:44,507 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 18:09:44,508 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 18:09:44,510 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 18:09:44,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 18:09:44,512 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 18:09:44,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 18:09:44,515 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 18:09:44,515 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 18:09:44,516 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 18:09:44,516 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 18:09:44,517 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 18:09:44,518 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 18:09:44,518 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 18:09:44,519 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 18:09:44,520 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 18:09:44,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 18:09:44,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 18:09:44,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 18:09:44,522 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 18:09:44,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 18:09:44,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 18:09:44,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 18:09:44,524 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed39ba81-687b-446c-985f-974bd2f837e8/bin/uautomizer-DrprNOufMa/config/svcomp-DataRace-32bit-Automizer_Default.epf [2021-12-06 18:09:44,542 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 18:09:44,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 18:09:44,542 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 18:09:44,542 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 18:09:44,543 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 18:09:44,543 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 18:09:44,543 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 18:09:44,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 18:09:44,544 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 18:09:44,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 18:09:44,544 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 18:09:44,544 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 18:09:44,544 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 18:09:44,544 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 18:09:44,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 18:09:44,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 18:09:44,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 18:09:44,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 18:09:44,545 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-12-06 18:09:44,545 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 18:09:44,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 18:09:44,545 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 18:09:44,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 18:09:44,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 18:09:44,546 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 18:09:44,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 18:09:44,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:09:44,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 18:09:44,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 18:09:44,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 18:09:44,546 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 18:09:44,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 18:09:44,547 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 18:09:44,547 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 18:09:44,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 18:09:44,547 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 18:09:44,547 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ed39ba81-687b-446c-985f-974bd2f837e8/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed39ba81-687b-446c-985f-974bd2f837e8/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c62a6a6ca02e763ce9adebe2a1f0301f133cb0abc0bbd9fb473585b57a9c78f2 [2021-12-06 18:09:44,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 18:09:44,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 18:09:44,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 18:09:44,737 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 18:09:44,738 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 18:09:44,739 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed39ba81-687b-446c-985f-974bd2f837e8/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2021-12-06 18:09:44,783 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed39ba81-687b-446c-985f-974bd2f837e8/bin/uautomizer-DrprNOufMa/data/7941b7103/e3adcd3dfd804345954908c59d7e996a/FLAG5d44d5ab3 [2021-12-06 18:09:45,259 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 18:09:45,259 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed39ba81-687b-446c-985f-974bd2f837e8/sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2021-12-06 18:09:45,274 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed39ba81-687b-446c-985f-974bd2f837e8/bin/uautomizer-DrprNOufMa/data/7941b7103/e3adcd3dfd804345954908c59d7e996a/FLAG5d44d5ab3 [2021-12-06 18:09:45,781 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed39ba81-687b-446c-985f-974bd2f837e8/bin/uautomizer-DrprNOufMa/data/7941b7103/e3adcd3dfd804345954908c59d7e996a [2021-12-06 18:09:45,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 18:09:45,789 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 18:09:45,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 18:09:45,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 18:09:45,796 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 18:09:45,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:09:45" (1/1) ... [2021-12-06 18:09:45,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c678b24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:09:45, skipping insertion in model container [2021-12-06 18:09:45,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:09:45" (1/1) ... [2021-12-06 18:09:45,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 18:09:45,846 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 18:09:45,960 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-12-06 18:09:46,281 WARN L230 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_ed39ba81-687b-446c-985f-974bd2f837e8/sv-benchmarks/c/ldv-races/race-2_5-container_of.i[75002,75015] [2021-12-06 18:09:46,318 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:09:46,324 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 18:09:46,333 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-12-06 18:09:46,356 WARN L230 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_ed39ba81-687b-446c-985f-974bd2f837e8/sv-benchmarks/c/ldv-races/race-2_5-container_of.i[75002,75015] [2021-12-06 18:09:46,372 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:09:46,470 INFO L208 MainTranslator]: Completed translation [2021-12-06 18:09:46,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:09:46 WrapperNode [2021-12-06 18:09:46,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 18:09:46,471 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 18:09:46,471 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 18:09:46,472 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 18:09:46,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:09:46" (1/1) ... [2021-12-06 18:09:46,500 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:09:46" (1/1) ... [2021-12-06 18:09:46,527 INFO L137 Inliner]: procedures = 469, calls = 63, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 225 [2021-12-06 18:09:46,527 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 18:09:46,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 18:09:46,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 18:09:46,528 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 18:09:46,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:09:46" (1/1) ... [2021-12-06 18:09:46,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:09:46" (1/1) ... [2021-12-06 18:09:46,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:09:46" (1/1) ... [2021-12-06 18:09:46,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:09:46" (1/1) ... [2021-12-06 18:09:46,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:09:46" (1/1) ... [2021-12-06 18:09:46,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:09:46" (1/1) ... [2021-12-06 18:09:46,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:09:46" (1/1) ... [2021-12-06 18:09:46,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 18:09:46,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 18:09:46,573 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 18:09:46,573 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 18:09:46,574 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:09:46" (1/1) ... [2021-12-06 18:09:46,579 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:09:46,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed39ba81-687b-446c-985f-974bd2f837e8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:09:46,596 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed39ba81-687b-446c-985f-974bd2f837e8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 18:09:46,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed39ba81-687b-446c-985f-974bd2f837e8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 18:09:46,626 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-06 18:09:46,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 18:09:46,626 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-06 18:09:46,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 18:09:46,626 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-06 18:09:46,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 18:09:46,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 18:09:46,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 18:09:46,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 18:09:46,626 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-12-06 18:09:46,627 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-12-06 18:09:46,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 18:09:46,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 18:09:46,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 18:09:46,628 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-06 18:09:46,828 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 18:09:46,830 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 18:09:47,104 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 18:09:47,179 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 18:09:47,180 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-06 18:09:47,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:09:47 BoogieIcfgContainer [2021-12-06 18:09:47,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 18:09:47,183 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 18:09:47,183 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 18:09:47,185 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 18:09:47,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 06:09:45" (1/3) ... [2021-12-06 18:09:47,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79524ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:09:47, skipping insertion in model container [2021-12-06 18:09:47,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:09:46" (2/3) ... [2021-12-06 18:09:47,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79524ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:09:47, skipping insertion in model container [2021-12-06 18:09:47,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:09:47" (3/3) ... [2021-12-06 18:09:47,187 INFO L111 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2021-12-06 18:09:47,191 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-06 18:09:47,191 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 18:09:47,191 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2021-12-06 18:09:47,191 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-06 18:09:47,217 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,218 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,218 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,218 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,218 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,218 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,218 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,218 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,218 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,218 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,219 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,219 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,219 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,219 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,219 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,219 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,219 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,219 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,219 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,219 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,220 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,220 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,220 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,220 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,220 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,220 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,220 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,220 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,220 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,220 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,220 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,221 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,221 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,221 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,221 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,221 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,221 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,221 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,221 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,221 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,221 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,221 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,222 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,222 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,222 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,222 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,222 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,222 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,222 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,222 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,222 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,223 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,223 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,223 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,223 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,223 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,223 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,223 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,223 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,224 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,224 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,224 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,224 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,224 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,224 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,224 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,224 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,224 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,224 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,224 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,225 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,225 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,225 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,225 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,225 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,225 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,225 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,225 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,226 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,226 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,226 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,226 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,226 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,226 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,226 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,226 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,226 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,226 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,227 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,227 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,227 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,227 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,227 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,227 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,227 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,227 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,228 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,228 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,228 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,228 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,228 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,228 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,228 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,228 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,228 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,228 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,228 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,229 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,229 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,229 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,229 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,229 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,229 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,229 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,229 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,229 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,229 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,229 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,229 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,230 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,230 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,230 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,230 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,230 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,230 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,230 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,230 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,230 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,230 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,230 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,230 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,230 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,231 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,231 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,231 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,231 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,231 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,231 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,231 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,231 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,231 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,231 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,231 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,232 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,232 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,232 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,232 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,232 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,232 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,232 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,232 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,232 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,232 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,233 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,233 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,233 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,233 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,233 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,233 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,233 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,233 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,233 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,233 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,233 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,234 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,234 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,234 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,234 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,234 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,234 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,234 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,234 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,234 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,234 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,235 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,235 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,235 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,235 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,235 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,235 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,235 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,235 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,235 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,235 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,236 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,236 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,236 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,236 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,238 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,238 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,238 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,238 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,238 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,238 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,239 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,239 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,239 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,239 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,239 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,239 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,239 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,239 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,239 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,240 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,240 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,240 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,241 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,241 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,241 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,241 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,241 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,241 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,241 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,241 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,241 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,241 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,241 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,242 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:09:47,243 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-12-06 18:09:47,285 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 18:09:47,290 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 18:09:47,290 INFO L340 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2021-12-06 18:09:47,301 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 247 places, 247 transitions, 510 flow [2021-12-06 18:09:47,367 INFO L129 PetriNetUnfolder]: 8/324 cut-off events. [2021-12-06 18:09:47,368 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-12-06 18:09:47,371 INFO L84 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 628 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. [2021-12-06 18:09:47,372 INFO L82 GeneralOperation]: Start removeDead. Operand has 247 places, 247 transitions, 510 flow [2021-12-06 18:09:47,379 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 245 places, 244 transitions, 500 flow [2021-12-06 18:09:47,387 INFO L129 PetriNetUnfolder]: 0/42 cut-off events. [2021-12-06 18:09:47,387 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 18:09:47,387 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:09:47,388 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:09:47,388 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:09:47,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:09:47,393 INFO L85 PathProgramCache]: Analyzing trace with hash 2121246416, now seen corresponding path program 1 times [2021-12-06 18:09:47,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:09:47,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823726472] [2021-12-06 18:09:47,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:09:47,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:09:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:09:47,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:09:47,795 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:09:47,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823726472] [2021-12-06 18:09:47,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823726472] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:09:47,796 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:09:47,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:09:47,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485252394] [2021-12-06 18:09:47,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:09:47,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 18:09:47,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:09:47,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:09:47,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:09:47,840 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 247 [2021-12-06 18:09:47,846 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 244 transitions, 500 flow. Second operand has 6 states, 6 states have (on average 148.83333333333334) internal successors, (893), 6 states have internal predecessors, (893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:47,846 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:09:47,846 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 247 [2021-12-06 18:09:47,847 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:09:48,403 INFO L129 PetriNetUnfolder]: 766/2166 cut-off events. [2021-12-06 18:09:48,404 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-12-06 18:09:48,409 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3556 conditions, 2166 events. 766/2166 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 14189 event pairs, 765 based on Foata normal form. 36/2039 useless extension candidates. Maximal degree in co-relation 3137. Up to 1367 conditions per place. [2021-12-06 18:09:48,420 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 75 selfloop transitions, 5 changer transitions 17/225 dead transitions. [2021-12-06 18:09:48,421 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 225 transitions, 624 flow [2021-12-06 18:09:48,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 18:09:48,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 18:09:48,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 978 transitions. [2021-12-06 18:09:48,435 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.659919028340081 [2021-12-06 18:09:48,435 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 978 transitions. [2021-12-06 18:09:48,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 978 transitions. [2021-12-06 18:09:48,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:09:48,440 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 978 transitions. [2021-12-06 18:09:48,444 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 163.0) internal successors, (978), 6 states have internal predecessors, (978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:48,451 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:48,453 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:48,454 INFO L186 Difference]: Start difference. First operand has 245 places, 244 transitions, 500 flow. Second operand 6 states and 978 transitions. [2021-12-06 18:09:48,455 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 225 transitions, 624 flow [2021-12-06 18:09:48,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 225 transitions, 616 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-12-06 18:09:48,463 INFO L242 Difference]: Finished difference. Result has 231 places, 208 transitions, 430 flow [2021-12-06 18:09:48,465 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=454, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=220, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=430, PETRI_PLACES=231, PETRI_TRANSITIONS=208} [2021-12-06 18:09:48,468 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, -14 predicate places. [2021-12-06 18:09:48,468 INFO L470 AbstractCegarLoop]: Abstraction has has 231 places, 208 transitions, 430 flow [2021-12-06 18:09:48,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 148.83333333333334) internal successors, (893), 6 states have internal predecessors, (893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:48,469 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:09:48,469 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:09:48,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 18:09:48,469 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:09:48,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:09:48,470 INFO L85 PathProgramCache]: Analyzing trace with hash -140736374, now seen corresponding path program 1 times [2021-12-06 18:09:48,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:09:48,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166214371] [2021-12-06 18:09:48,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:09:48,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:09:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:09:48,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:09:48,603 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:09:48,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166214371] [2021-12-06 18:09:48,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166214371] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:09:48,603 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:09:48,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:09:48,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720577377] [2021-12-06 18:09:48,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:09:48,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 18:09:48,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:09:48,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:09:48,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:09:48,609 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 247 [2021-12-06 18:09:48,611 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 208 transitions, 430 flow. Second operand has 6 states, 6 states have (on average 149.83333333333334) internal successors, (899), 6 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:48,611 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:09:48,611 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 247 [2021-12-06 18:09:48,611 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:09:49,010 INFO L129 PetriNetUnfolder]: 742/1884 cut-off events. [2021-12-06 18:09:49,010 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-12-06 18:09:49,013 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3226 conditions, 1884 events. 742/1884 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 11882 event pairs, 741 based on Foata normal form. 0/1758 useless extension candidates. Maximal degree in co-relation 3164. Up to 1325 conditions per place. [2021-12-06 18:09:49,021 INFO L132 encePairwiseOnDemand]: 241/247 looper letters, 74 selfloop transitions, 5 changer transitions 0/207 dead transitions. [2021-12-06 18:09:49,021 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 207 transitions, 586 flow [2021-12-06 18:09:49,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 18:09:49,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 18:09:49,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 962 transitions. [2021-12-06 18:09:49,024 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6491228070175439 [2021-12-06 18:09:49,024 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 962 transitions. [2021-12-06 18:09:49,024 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 962 transitions. [2021-12-06 18:09:49,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:09:49,025 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 962 transitions. [2021-12-06 18:09:49,027 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 160.33333333333334) internal successors, (962), 6 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:49,030 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:49,031 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:49,032 INFO L186 Difference]: Start difference. First operand has 231 places, 208 transitions, 430 flow. Second operand 6 states and 962 transitions. [2021-12-06 18:09:49,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 207 transitions, 586 flow [2021-12-06 18:09:49,041 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 207 transitions, 576 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-06 18:09:49,044 INFO L242 Difference]: Finished difference. Result has 213 places, 207 transitions, 428 flow [2021-12-06 18:09:49,044 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=428, PETRI_PLACES=213, PETRI_TRANSITIONS=207} [2021-12-06 18:09:49,045 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, -32 predicate places. [2021-12-06 18:09:49,045 INFO L470 AbstractCegarLoop]: Abstraction has has 213 places, 207 transitions, 428 flow [2021-12-06 18:09:49,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 149.83333333333334) internal successors, (899), 6 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:49,046 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:09:49,046 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:09:49,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 18:09:49,046 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:09:49,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:09:49,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1153358172, now seen corresponding path program 1 times [2021-12-06 18:09:49,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:09:49,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012271814] [2021-12-06 18:09:49,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:09:49,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:09:49,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:09:49,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:09:49,174 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:09:49,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012271814] [2021-12-06 18:09:49,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012271814] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:09:49,174 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:09:49,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:09:49,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111932603] [2021-12-06 18:09:49,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:09:49,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 18:09:49,175 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:09:49,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:09:49,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:09:49,177 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 247 [2021-12-06 18:09:49,178 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 207 transitions, 428 flow. Second operand has 6 states, 6 states have (on average 144.33333333333334) internal successors, (866), 6 states have internal predecessors, (866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:49,178 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:09:49,178 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 247 [2021-12-06 18:09:49,178 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:09:49,879 INFO L129 PetriNetUnfolder]: 1018/2380 cut-off events. [2021-12-06 18:09:49,879 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-12-06 18:09:49,882 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4187 conditions, 2380 events. 1018/2380 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 15543 event pairs, 819 based on Foata normal form. 0/2264 useless extension candidates. Maximal degree in co-relation 4114. Up to 1695 conditions per place. [2021-12-06 18:09:49,893 INFO L132 encePairwiseOnDemand]: 234/247 looper letters, 82 selfloop transitions, 30 changer transitions 0/236 dead transitions. [2021-12-06 18:09:49,893 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 236 transitions, 710 flow [2021-12-06 18:09:49,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 18:09:49,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 18:09:49,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 959 transitions. [2021-12-06 18:09:49,897 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6470985155195681 [2021-12-06 18:09:49,897 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 959 transitions. [2021-12-06 18:09:49,897 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 959 transitions. [2021-12-06 18:09:49,898 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:09:49,898 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 959 transitions. [2021-12-06 18:09:49,900 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 159.83333333333334) internal successors, (959), 6 states have internal predecessors, (959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:49,904 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:49,905 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:49,905 INFO L186 Difference]: Start difference. First operand has 213 places, 207 transitions, 428 flow. Second operand 6 states and 959 transitions. [2021-12-06 18:09:49,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 236 transitions, 710 flow [2021-12-06 18:09:49,907 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 236 transitions, 700 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-06 18:09:49,910 INFO L242 Difference]: Finished difference. Result has 218 places, 236 transitions, 620 flow [2021-12-06 18:09:49,911 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=620, PETRI_PLACES=218, PETRI_TRANSITIONS=236} [2021-12-06 18:09:49,911 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, -27 predicate places. [2021-12-06 18:09:49,911 INFO L470 AbstractCegarLoop]: Abstraction has has 218 places, 236 transitions, 620 flow [2021-12-06 18:09:49,912 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 144.33333333333334) internal successors, (866), 6 states have internal predecessors, (866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:49,912 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:09:49,912 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:09:49,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 18:09:49,913 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:09:49,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:09:49,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1732561676, now seen corresponding path program 1 times [2021-12-06 18:09:49,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:09:49,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846908663] [2021-12-06 18:09:49,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:09:49,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:09:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:09:49,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:09:49,997 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:09:49,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846908663] [2021-12-06 18:09:49,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846908663] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:09:49,997 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:09:49,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:09:49,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122507397] [2021-12-06 18:09:49,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:09:49,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:09:49,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:09:49,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:09:49,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:09:50,000 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 247 [2021-12-06 18:09:50,001 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 236 transitions, 620 flow. Second operand has 5 states, 5 states have (on average 205.8) internal successors, (1029), 5 states have internal predecessors, (1029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:50,001 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:09:50,001 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 247 [2021-12-06 18:09:50,002 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:09:50,241 INFO L129 PetriNetUnfolder]: 449/1623 cut-off events. [2021-12-06 18:09:50,241 INFO L130 PetriNetUnfolder]: For 460/520 co-relation queries the response was YES. [2021-12-06 18:09:50,246 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3133 conditions, 1623 events. 449/1623 cut-off events. For 460/520 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 10227 event pairs, 264 based on Foata normal form. 0/1533 useless extension candidates. Maximal degree in co-relation 2139. Up to 606 conditions per place. [2021-12-06 18:09:50,256 INFO L132 encePairwiseOnDemand]: 242/247 looper letters, 50 selfloop transitions, 4 changer transitions 0/241 dead transitions. [2021-12-06 18:09:50,256 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 241 transitions, 738 flow [2021-12-06 18:09:50,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 18:09:50,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 18:09:50,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1255 transitions. [2021-12-06 18:09:50,261 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8468286099865048 [2021-12-06 18:09:50,261 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1255 transitions. [2021-12-06 18:09:50,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1255 transitions. [2021-12-06 18:09:50,262 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:09:50,262 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1255 transitions. [2021-12-06 18:09:50,266 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 209.16666666666666) internal successors, (1255), 6 states have internal predecessors, (1255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:50,269 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:50,270 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:50,270 INFO L186 Difference]: Start difference. First operand has 218 places, 236 transitions, 620 flow. Second operand 6 states and 1255 transitions. [2021-12-06 18:09:50,271 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 241 transitions, 738 flow [2021-12-06 18:09:50,276 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 241 transitions, 738 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-06 18:09:50,280 INFO L242 Difference]: Finished difference. Result has 227 places, 239 transitions, 649 flow [2021-12-06 18:09:50,281 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=620, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=649, PETRI_PLACES=227, PETRI_TRANSITIONS=239} [2021-12-06 18:09:50,282 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, -18 predicate places. [2021-12-06 18:09:50,282 INFO L470 AbstractCegarLoop]: Abstraction has has 227 places, 239 transitions, 649 flow [2021-12-06 18:09:50,282 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 205.8) internal successors, (1029), 5 states have internal predecessors, (1029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:50,283 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:09:50,283 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:09:50,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 18:09:50,283 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:09:50,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:09:50,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1253499727, now seen corresponding path program 1 times [2021-12-06 18:09:50,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:09:50,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423437534] [2021-12-06 18:09:50,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:09:50,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:09:50,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:09:50,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:09:50,424 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:09:50,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423437534] [2021-12-06 18:09:50,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423437534] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:09:50,425 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:09:50,425 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:09:50,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224274005] [2021-12-06 18:09:50,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:09:50,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 18:09:50,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:09:50,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:09:50,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:09:50,428 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 247 [2021-12-06 18:09:50,429 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 239 transitions, 649 flow. Second operand has 6 states, 6 states have (on average 145.33333333333334) internal successors, (872), 6 states have internal predecessors, (872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:50,429 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:09:50,429 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 247 [2021-12-06 18:09:50,429 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:09:51,094 INFO L129 PetriNetUnfolder]: 1147/2619 cut-off events. [2021-12-06 18:09:51,094 INFO L130 PetriNetUnfolder]: For 828/834 co-relation queries the response was YES. [2021-12-06 18:09:51,099 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6240 conditions, 2619 events. 1147/2619 cut-off events. For 828/834 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 16821 event pairs, 753 based on Foata normal form. 0/2522 useless extension candidates. Maximal degree in co-relation 6137. Up to 1900 conditions per place. [2021-12-06 18:09:51,113 INFO L132 encePairwiseOnDemand]: 234/247 looper letters, 110 selfloop transitions, 30 changer transitions 0/268 dead transitions. [2021-12-06 18:09:51,113 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 268 transitions, 1035 flow [2021-12-06 18:09:51,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 18:09:51,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 18:09:51,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 959 transitions. [2021-12-06 18:09:51,116 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6470985155195681 [2021-12-06 18:09:51,116 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 959 transitions. [2021-12-06 18:09:51,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 959 transitions. [2021-12-06 18:09:51,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:09:51,117 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 959 transitions. [2021-12-06 18:09:51,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 159.83333333333334) internal successors, (959), 6 states have internal predecessors, (959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:51,122 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:51,123 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:51,123 INFO L186 Difference]: Start difference. First operand has 227 places, 239 transitions, 649 flow. Second operand 6 states and 959 transitions. [2021-12-06 18:09:51,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 268 transitions, 1035 flow [2021-12-06 18:09:51,126 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 268 transitions, 1034 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-06 18:09:51,130 INFO L242 Difference]: Finished difference. Result has 236 places, 268 transitions, 898 flow [2021-12-06 18:09:51,131 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=648, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=898, PETRI_PLACES=236, PETRI_TRANSITIONS=268} [2021-12-06 18:09:51,131 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, -9 predicate places. [2021-12-06 18:09:51,131 INFO L470 AbstractCegarLoop]: Abstraction has has 236 places, 268 transitions, 898 flow [2021-12-06 18:09:51,132 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 145.33333333333334) internal successors, (872), 6 states have internal predecessors, (872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:51,132 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:09:51,132 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:09:51,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 18:09:51,132 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:09:51,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:09:51,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1373465184, now seen corresponding path program 1 times [2021-12-06 18:09:51,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:09:51,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334096735] [2021-12-06 18:09:51,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:09:51,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:09:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:09:51,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:09:51,239 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:09:51,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334096735] [2021-12-06 18:09:51,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334096735] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:09:51,239 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:09:51,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:09:51,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14141950] [2021-12-06 18:09:51,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:09:51,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 18:09:51,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:09:51,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:09:51,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:09:51,242 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 247 [2021-12-06 18:09:51,243 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 268 transitions, 898 flow. Second operand has 6 states, 6 states have (on average 154.5) internal successors, (927), 6 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:51,243 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:09:51,243 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 247 [2021-12-06 18:09:51,243 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:09:51,889 INFO L129 PetriNetUnfolder]: 1123/2692 cut-off events. [2021-12-06 18:09:51,889 INFO L130 PetriNetUnfolder]: For 2176/2338 co-relation queries the response was YES. [2021-12-06 18:09:51,894 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7695 conditions, 2692 events. 1123/2692 cut-off events. For 2176/2338 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 17765 event pairs, 559 based on Foata normal form. 0/2600 useless extension candidates. Maximal degree in co-relation 5643. Up to 1798 conditions per place. [2021-12-06 18:09:51,907 INFO L132 encePairwiseOnDemand]: 236/247 looper letters, 139 selfloop transitions, 22 changer transitions 0/298 dead transitions. [2021-12-06 18:09:51,908 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 298 transitions, 1377 flow [2021-12-06 18:09:51,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 18:09:51,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 18:09:51,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1012 transitions. [2021-12-06 18:09:51,911 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6828609986504723 [2021-12-06 18:09:51,911 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1012 transitions. [2021-12-06 18:09:51,911 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1012 transitions. [2021-12-06 18:09:51,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:09:51,911 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1012 transitions. [2021-12-06 18:09:51,913 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 168.66666666666666) internal successors, (1012), 6 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:51,916 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:51,916 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:51,916 INFO L186 Difference]: Start difference. First operand has 236 places, 268 transitions, 898 flow. Second operand 6 states and 1012 transitions. [2021-12-06 18:09:51,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 298 transitions, 1377 flow [2021-12-06 18:09:51,922 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 298 transitions, 1329 flow, removed 24 selfloop flow, removed 0 redundant places. [2021-12-06 18:09:51,926 INFO L242 Difference]: Finished difference. Result has 246 places, 289 transitions, 1064 flow [2021-12-06 18:09:51,926 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=850, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1064, PETRI_PLACES=246, PETRI_TRANSITIONS=289} [2021-12-06 18:09:51,927 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 1 predicate places. [2021-12-06 18:09:51,927 INFO L470 AbstractCegarLoop]: Abstraction has has 246 places, 289 transitions, 1064 flow [2021-12-06 18:09:51,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 154.5) internal successors, (927), 6 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:51,927 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:09:51,928 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:09:51,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 18:09:51,928 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:09:51,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:09:51,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1652809650, now seen corresponding path program 1 times [2021-12-06 18:09:51,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:09:51,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677337628] [2021-12-06 18:09:51,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:09:51,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:09:51,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:09:52,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:09:52,017 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:09:52,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677337628] [2021-12-06 18:09:52,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677337628] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:09:52,018 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:09:52,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:09:52,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044224572] [2021-12-06 18:09:52,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:09:52,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 18:09:52,018 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:09:52,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:09:52,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:09:52,020 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 247 [2021-12-06 18:09:52,020 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 289 transitions, 1064 flow. Second operand has 6 states, 6 states have (on average 148.16666666666666) internal successors, (889), 6 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:52,021 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:09:52,021 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 247 [2021-12-06 18:09:52,021 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:09:52,782 INFO L129 PetriNetUnfolder]: 1448/3381 cut-off events. [2021-12-06 18:09:52,782 INFO L130 PetriNetUnfolder]: For 3675/3693 co-relation queries the response was YES. [2021-12-06 18:09:52,791 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10643 conditions, 3381 events. 1448/3381 cut-off events. For 3675/3693 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 22451 event pairs, 520 based on Foata normal form. 0/3317 useless extension candidates. Maximal degree in co-relation 9447. Up to 2180 conditions per place. [2021-12-06 18:09:52,804 INFO L132 encePairwiseOnDemand]: 231/247 looper letters, 167 selfloop transitions, 26 changer transitions 0/324 dead transitions. [2021-12-06 18:09:52,805 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 324 transitions, 1652 flow [2021-12-06 18:09:52,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 18:09:52,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 18:09:52,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 976 transitions. [2021-12-06 18:09:52,807 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6585695006747638 [2021-12-06 18:09:52,807 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 976 transitions. [2021-12-06 18:09:52,807 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 976 transitions. [2021-12-06 18:09:52,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:09:52,808 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 976 transitions. [2021-12-06 18:09:52,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 162.66666666666666) internal successors, (976), 6 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:52,812 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:52,812 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:52,812 INFO L186 Difference]: Start difference. First operand has 246 places, 289 transitions, 1064 flow. Second operand 6 states and 976 transitions. [2021-12-06 18:09:52,812 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 324 transitions, 1652 flow [2021-12-06 18:09:52,818 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 324 transitions, 1652 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-06 18:09:52,821 INFO L242 Difference]: Finished difference. Result has 255 places, 309 transitions, 1328 flow [2021-12-06 18:09:52,822 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=1062, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1328, PETRI_PLACES=255, PETRI_TRANSITIONS=309} [2021-12-06 18:09:52,822 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 10 predicate places. [2021-12-06 18:09:52,822 INFO L470 AbstractCegarLoop]: Abstraction has has 255 places, 309 transitions, 1328 flow [2021-12-06 18:09:52,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 148.16666666666666) internal successors, (889), 6 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:52,823 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:09:52,823 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:09:52,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 18:09:52,823 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:09:52,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:09:52,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1340364535, now seen corresponding path program 1 times [2021-12-06 18:09:52,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:09:52,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149181589] [2021-12-06 18:09:52,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:09:52,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:09:52,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:09:52,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:09:52,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:09:52,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149181589] [2021-12-06 18:09:52,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149181589] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:09:52,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:09:52,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:09:52,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234343038] [2021-12-06 18:09:52,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:09:52,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:09:52,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:09:52,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:09:52,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:09:52,891 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 247 [2021-12-06 18:09:52,892 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 309 transitions, 1328 flow. Second operand has 5 states, 5 states have (on average 206.4) internal successors, (1032), 5 states have internal predecessors, (1032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:52,892 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:09:52,892 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 247 [2021-12-06 18:09:52,892 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:09:53,185 INFO L129 PetriNetUnfolder]: 321/1123 cut-off events. [2021-12-06 18:09:53,185 INFO L130 PetriNetUnfolder]: For 1917/1989 co-relation queries the response was YES. [2021-12-06 18:09:53,189 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3280 conditions, 1123 events. 321/1123 cut-off events. For 1917/1989 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 6243 event pairs, 27 based on Foata normal form. 16/1120 useless extension candidates. Maximal degree in co-relation 3180. Up to 364 conditions per place. [2021-12-06 18:09:53,193 INFO L132 encePairwiseOnDemand]: 242/247 looper letters, 66 selfloop transitions, 4 changer transitions 1/253 dead transitions. [2021-12-06 18:09:53,194 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 253 transitions, 1124 flow [2021-12-06 18:09:53,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 18:09:53,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 18:09:53,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1278 transitions. [2021-12-06 18:09:53,197 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8623481781376519 [2021-12-06 18:09:53,197 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1278 transitions. [2021-12-06 18:09:53,197 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1278 transitions. [2021-12-06 18:09:53,198 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:09:53,198 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1278 transitions. [2021-12-06 18:09:53,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 213.0) internal successors, (1278), 6 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:53,203 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:53,204 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 247.0) internal successors, (1729), 7 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:53,204 INFO L186 Difference]: Start difference. First operand has 255 places, 309 transitions, 1328 flow. Second operand 6 states and 1278 transitions. [2021-12-06 18:09:53,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 253 transitions, 1124 flow [2021-12-06 18:09:53,209 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 253 transitions, 1055 flow, removed 3 selfloop flow, removed 24 redundant places. [2021-12-06 18:09:53,213 INFO L242 Difference]: Finished difference. Result has 234 places, 227 transitions, 714 flow [2021-12-06 18:09:53,213 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=705, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=714, PETRI_PLACES=234, PETRI_TRANSITIONS=227} [2021-12-06 18:09:53,214 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, -11 predicate places. [2021-12-06 18:09:53,214 INFO L470 AbstractCegarLoop]: Abstraction has has 234 places, 227 transitions, 714 flow [2021-12-06 18:09:53,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 206.4) internal successors, (1032), 5 states have internal predecessors, (1032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:53,215 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:09:53,215 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:09:53,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 18:09:53,215 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:09:53,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:09:53,215 INFO L85 PathProgramCache]: Analyzing trace with hash 159715451, now seen corresponding path program 1 times [2021-12-06 18:09:53,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:09:53,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563732790] [2021-12-06 18:09:53,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:09:53,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:09:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:09:53,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:09:53,800 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:09:53,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563732790] [2021-12-06 18:09:53,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563732790] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:09:53,800 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:09:53,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:09:53,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830525365] [2021-12-06 18:09:53,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:09:53,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:09:53,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:09:53,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:09:53,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:09:53,803 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:09:53,805 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 227 transitions, 714 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:53,805 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:09:53,805 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:09:53,805 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:09:55,562 INFO L129 PetriNetUnfolder]: 994/2218 cut-off events. [2021-12-06 18:09:55,563 INFO L130 PetriNetUnfolder]: For 3092/3094 co-relation queries the response was YES. [2021-12-06 18:09:55,568 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7051 conditions, 2218 events. 994/2218 cut-off events. For 3092/3094 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 13230 event pairs, 435 based on Foata normal form. 10/2197 useless extension candidates. Maximal degree in co-relation 6873. Up to 1150 conditions per place. [2021-12-06 18:09:55,574 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 160 selfloop transitions, 44 changer transitions 0/315 dead transitions. [2021-12-06 18:09:55,574 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 315 transitions, 1472 flow [2021-12-06 18:09:55,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-06 18:09:55,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-12-06 18:09:55,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2233 transitions. [2021-12-06 18:09:55,579 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5650303643724697 [2021-12-06 18:09:55,579 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2233 transitions. [2021-12-06 18:09:55,579 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2233 transitions. [2021-12-06 18:09:55,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:09:55,581 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2233 transitions. [2021-12-06 18:09:55,584 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 139.5625) internal successors, (2233), 16 states have internal predecessors, (2233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:55,589 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 247.0) internal successors, (4199), 17 states have internal predecessors, (4199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:55,590 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 247.0) internal successors, (4199), 17 states have internal predecessors, (4199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:55,590 INFO L186 Difference]: Start difference. First operand has 234 places, 227 transitions, 714 flow. Second operand 16 states and 2233 transitions. [2021-12-06 18:09:55,590 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 315 transitions, 1472 flow [2021-12-06 18:09:55,596 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 315 transitions, 1447 flow, removed 3 selfloop flow, removed 7 redundant places. [2021-12-06 18:09:55,600 INFO L242 Difference]: Finished difference. Result has 247 places, 245 transitions, 1001 flow [2021-12-06 18:09:55,600 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=690, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=1001, PETRI_PLACES=247, PETRI_TRANSITIONS=245} [2021-12-06 18:09:55,601 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 2 predicate places. [2021-12-06 18:09:55,601 INFO L470 AbstractCegarLoop]: Abstraction has has 247 places, 245 transitions, 1001 flow [2021-12-06 18:09:55,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:55,602 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:09:55,602 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:09:55,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 18:09:55,602 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:09:55,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:09:55,602 INFO L85 PathProgramCache]: Analyzing trace with hash 961938131, now seen corresponding path program 2 times [2021-12-06 18:09:55,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:09:55,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608007276] [2021-12-06 18:09:55,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:09:55,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:09:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:09:56,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:09:56,573 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:09:56,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608007276] [2021-12-06 18:09:56,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608007276] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:09:56,573 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:09:56,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:09:56,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286146281] [2021-12-06 18:09:56,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:09:56,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:09:56,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:09:56,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:09:56,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:09:56,576 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:09:56,578 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 245 transitions, 1001 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:56,578 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:09:56,578 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:09:56,578 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:09:58,151 INFO L129 PetriNetUnfolder]: 1110/2277 cut-off events. [2021-12-06 18:09:58,152 INFO L130 PetriNetUnfolder]: For 7806/7834 co-relation queries the response was YES. [2021-12-06 18:09:58,157 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8998 conditions, 2277 events. 1110/2277 cut-off events. For 7806/7834 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 13203 event pairs, 75 based on Foata normal form. 8/2264 useless extension candidates. Maximal degree in co-relation 8819. Up to 881 conditions per place. [2021-12-06 18:09:58,166 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 250 selfloop transitions, 84 changer transitions 0/445 dead transitions. [2021-12-06 18:09:58,166 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 445 transitions, 3316 flow [2021-12-06 18:09:58,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 18:09:58,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 18:09:58,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2762 transitions. [2021-12-06 18:09:58,172 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5591093117408907 [2021-12-06 18:09:58,172 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2762 transitions. [2021-12-06 18:09:58,172 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2762 transitions. [2021-12-06 18:09:58,174 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:09:58,174 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2762 transitions. [2021-12-06 18:09:58,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 138.1) internal successors, (2762), 20 states have internal predecessors, (2762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:58,185 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:58,186 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:58,186 INFO L186 Difference]: Start difference. First operand has 247 places, 245 transitions, 1001 flow. Second operand 20 states and 2762 transitions. [2021-12-06 18:09:58,186 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 266 places, 445 transitions, 3316 flow [2021-12-06 18:09:58,198 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 445 transitions, 3213 flow, removed 6 selfloop flow, removed 9 redundant places. [2021-12-06 18:09:58,220 INFO L242 Difference]: Finished difference. Result has 266 places, 308 transitions, 1996 flow [2021-12-06 18:09:58,221 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=966, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=1996, PETRI_PLACES=266, PETRI_TRANSITIONS=308} [2021-12-06 18:09:58,221 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 21 predicate places. [2021-12-06 18:09:58,222 INFO L470 AbstractCegarLoop]: Abstraction has has 266 places, 308 transitions, 1996 flow [2021-12-06 18:09:58,222 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:58,223 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:09:58,223 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:09:58,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 18:09:58,223 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:09:58,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:09:58,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1567703431, now seen corresponding path program 3 times [2021-12-06 18:09:58,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:09:58,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614547701] [2021-12-06 18:09:58,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:09:58,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:09:58,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:09:58,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:09:58,667 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:09:58,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614547701] [2021-12-06 18:09:58,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614547701] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:09:58,667 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:09:58,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:09:58,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892067845] [2021-12-06 18:09:58,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:09:58,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:09:58,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:09:58,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:09:58,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:09:58,670 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:09:58,671 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 266 places, 308 transitions, 1996 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:58,671 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:09:58,672 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:09:58,672 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:10:00,219 INFO L129 PetriNetUnfolder]: 1375/2826 cut-off events. [2021-12-06 18:10:00,219 INFO L130 PetriNetUnfolder]: For 17657/17685 co-relation queries the response was YES. [2021-12-06 18:10:00,228 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13661 conditions, 2826 events. 1375/2826 cut-off events. For 17657/17685 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 17159 event pairs, 407 based on Foata normal form. 8/2801 useless extension candidates. Maximal degree in co-relation 13473. Up to 1583 conditions per place. [2021-12-06 18:10:00,239 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 233 selfloop transitions, 109 changer transitions 0/453 dead transitions. [2021-12-06 18:10:00,239 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 453 transitions, 4042 flow [2021-12-06 18:10:00,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-06 18:10:00,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-12-06 18:10:00,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2367 transitions. [2021-12-06 18:10:00,244 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5637056442010002 [2021-12-06 18:10:00,244 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 2367 transitions. [2021-12-06 18:10:00,245 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 2367 transitions. [2021-12-06 18:10:00,246 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:10:00,246 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 2367 transitions. [2021-12-06 18:10:00,249 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 139.23529411764707) internal successors, (2367), 17 states have internal predecessors, (2367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:00,254 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 247.0) internal successors, (4446), 18 states have internal predecessors, (4446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:00,254 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 247.0) internal successors, (4446), 18 states have internal predecessors, (4446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:00,254 INFO L186 Difference]: Start difference. First operand has 266 places, 308 transitions, 1996 flow. Second operand 17 states and 2367 transitions. [2021-12-06 18:10:00,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 453 transitions, 4042 flow [2021-12-06 18:10:00,289 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 453 transitions, 3946 flow, removed 24 selfloop flow, removed 9 redundant places. [2021-12-06 18:10:00,295 INFO L242 Difference]: Finished difference. Result has 281 places, 367 transitions, 3302 flow [2021-12-06 18:10:00,295 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=1924, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=3302, PETRI_PLACES=281, PETRI_TRANSITIONS=367} [2021-12-06 18:10:00,296 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 36 predicate places. [2021-12-06 18:10:00,296 INFO L470 AbstractCegarLoop]: Abstraction has has 281 places, 367 transitions, 3302 flow [2021-12-06 18:10:00,296 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:00,296 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:10:00,296 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:10:00,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 18:10:00,297 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:10:00,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:10:00,297 INFO L85 PathProgramCache]: Analyzing trace with hash 364378401, now seen corresponding path program 4 times [2021-12-06 18:10:00,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:10:00,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023669997] [2021-12-06 18:10:00,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:10:00,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:10:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:10:00,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:10:00,795 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:10:00,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023669997] [2021-12-06 18:10:00,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023669997] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:10:00,795 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:10:00,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:10:00,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592397400] [2021-12-06 18:10:00,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:10:00,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:10:00,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:10:00,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:10:00,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:10:00,798 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:10:00,799 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 367 transitions, 3302 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:00,799 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:10:00,799 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:10:00,799 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:10:03,400 INFO L129 PetriNetUnfolder]: 1538/3062 cut-off events. [2021-12-06 18:10:03,401 INFO L130 PetriNetUnfolder]: For 28049/28049 co-relation queries the response was YES. [2021-12-06 18:10:03,411 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17367 conditions, 3062 events. 1538/3062 cut-off events. For 28049/28049 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 18445 event pairs, 403 based on Foata normal form. 8/3038 useless extension candidates. Maximal degree in co-relation 17171. Up to 1504 conditions per place. [2021-12-06 18:10:03,424 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 209 selfloop transitions, 187 changer transitions 0/507 dead transitions. [2021-12-06 18:10:03,425 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 507 transitions, 5534 flow [2021-12-06 18:10:03,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 18:10:03,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 18:10:03,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2765 transitions. [2021-12-06 18:10:03,429 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5597165991902834 [2021-12-06 18:10:03,429 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2765 transitions. [2021-12-06 18:10:03,429 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2765 transitions. [2021-12-06 18:10:03,430 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:10:03,430 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2765 transitions. [2021-12-06 18:10:03,433 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 138.25) internal successors, (2765), 20 states have internal predecessors, (2765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:03,438 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:03,438 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:03,438 INFO L186 Difference]: Start difference. First operand has 281 places, 367 transitions, 3302 flow. Second operand 20 states and 2765 transitions. [2021-12-06 18:10:03,438 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 507 transitions, 5534 flow [2021-12-06 18:10:03,494 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 507 transitions, 5397 flow, removed 53 selfloop flow, removed 9 redundant places. [2021-12-06 18:10:03,501 INFO L242 Difference]: Finished difference. Result has 302 places, 431 transitions, 5028 flow [2021-12-06 18:10:03,502 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=3184, PETRI_DIFFERENCE_MINUEND_PLACES=272, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=126, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=5028, PETRI_PLACES=302, PETRI_TRANSITIONS=431} [2021-12-06 18:10:03,502 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 57 predicate places. [2021-12-06 18:10:03,502 INFO L470 AbstractCegarLoop]: Abstraction has has 302 places, 431 transitions, 5028 flow [2021-12-06 18:10:03,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:03,503 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:10:03,503 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:10:03,503 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-06 18:10:03,503 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:10:03,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:10:03,503 INFO L85 PathProgramCache]: Analyzing trace with hash 458935901, now seen corresponding path program 5 times [2021-12-06 18:10:03,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:10:03,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364676408] [2021-12-06 18:10:03,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:10:03,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:10:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:10:04,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:10:04,144 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:10:04,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364676408] [2021-12-06 18:10:04,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364676408] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:10:04,145 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:10:04,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:10:04,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687418785] [2021-12-06 18:10:04,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:10:04,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:10:04,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:10:04,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:10:04,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:10:04,147 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:10:04,148 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 431 transitions, 5028 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:04,148 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:10:04,149 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:10:04,149 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:10:06,168 INFO L129 PetriNetUnfolder]: 1830/3611 cut-off events. [2021-12-06 18:10:06,168 INFO L130 PetriNetUnfolder]: For 50991/51019 co-relation queries the response was YES. [2021-12-06 18:10:06,184 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23551 conditions, 3611 events. 1830/3611 cut-off events. For 50991/51019 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 22781 event pairs, 53 based on Foata normal form. 8/3595 useless extension candidates. Maximal degree in co-relation 23345. Up to 1610 conditions per place. [2021-12-06 18:10:06,200 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 353 selfloop transitions, 196 changer transitions 0/660 dead transitions. [2021-12-06 18:10:06,201 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 660 transitions, 9600 flow [2021-12-06 18:10:06,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 18:10:06,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 18:10:06,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2768 transitions. [2021-12-06 18:10:06,205 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5603238866396761 [2021-12-06 18:10:06,205 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2768 transitions. [2021-12-06 18:10:06,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2768 transitions. [2021-12-06 18:10:06,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:10:06,206 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2768 transitions. [2021-12-06 18:10:06,210 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 138.4) internal successors, (2768), 20 states have internal predecessors, (2768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:06,216 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:06,216 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:06,217 INFO L186 Difference]: Start difference. First operand has 302 places, 431 transitions, 5028 flow. Second operand 20 states and 2768 transitions. [2021-12-06 18:10:06,217 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 660 transitions, 9600 flow [2021-12-06 18:10:06,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 660 transitions, 9340 flow, removed 80 selfloop flow, removed 8 redundant places. [2021-12-06 18:10:06,327 INFO L242 Difference]: Finished difference. Result has 320 places, 510 transitions, 7281 flow [2021-12-06 18:10:06,328 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=4827, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=431, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=120, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=7281, PETRI_PLACES=320, PETRI_TRANSITIONS=510} [2021-12-06 18:10:06,328 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 75 predicate places. [2021-12-06 18:10:06,328 INFO L470 AbstractCegarLoop]: Abstraction has has 320 places, 510 transitions, 7281 flow [2021-12-06 18:10:06,329 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:06,329 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:10:06,329 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:10:06,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-06 18:10:06,329 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:10:06,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:10:06,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1914038053, now seen corresponding path program 6 times [2021-12-06 18:10:06,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:10:06,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407199255] [2021-12-06 18:10:06,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:10:06,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:10:06,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:10:06,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:10:06,699 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:10:06,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407199255] [2021-12-06 18:10:06,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407199255] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:10:06,699 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:10:06,699 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:10:06,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468231756] [2021-12-06 18:10:06,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:10:06,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:10:06,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:10:06,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:10:06,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:10:06,702 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:10:06,703 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 510 transitions, 7281 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:06,703 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:10:06,703 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:10:06,703 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:10:08,798 INFO L129 PetriNetUnfolder]: 1989/3842 cut-off events. [2021-12-06 18:10:08,799 INFO L130 PetriNetUnfolder]: For 74716/74716 co-relation queries the response was YES. [2021-12-06 18:10:08,818 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28852 conditions, 3842 events. 1989/3842 cut-off events. For 74716/74716 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 24127 event pairs, 138 based on Foata normal form. 8/3824 useless extension candidates. Maximal degree in co-relation 28639. Up to 2191 conditions per place. [2021-12-06 18:10:08,837 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 318 selfloop transitions, 224 changer transitions 0/653 dead transitions. [2021-12-06 18:10:08,838 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 653 transitions, 10329 flow [2021-12-06 18:10:08,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-06 18:10:08,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-12-06 18:10:08,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2506 transitions. [2021-12-06 18:10:08,840 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5636527215474584 [2021-12-06 18:10:08,840 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2506 transitions. [2021-12-06 18:10:08,840 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2506 transitions. [2021-12-06 18:10:08,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:10:08,841 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2506 transitions. [2021-12-06 18:10:08,843 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 139.22222222222223) internal successors, (2506), 18 states have internal predecessors, (2506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:08,847 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 247.0) internal successors, (4693), 19 states have internal predecessors, (4693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:08,847 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 247.0) internal successors, (4693), 19 states have internal predecessors, (4693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:08,847 INFO L186 Difference]: Start difference. First operand has 320 places, 510 transitions, 7281 flow. Second operand 18 states and 2506 transitions. [2021-12-06 18:10:08,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 653 transitions, 10329 flow [2021-12-06 18:10:09,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 325 places, 653 transitions, 10005 flow, removed 101 selfloop flow, removed 12 redundant places. [2021-12-06 18:10:09,042 INFO L242 Difference]: Finished difference. Result has 330 places, 554 transitions, 8949 flow [2021-12-06 18:10:09,042 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=7000, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=510, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=182, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=8949, PETRI_PLACES=330, PETRI_TRANSITIONS=554} [2021-12-06 18:10:09,043 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 85 predicate places. [2021-12-06 18:10:09,043 INFO L470 AbstractCegarLoop]: Abstraction has has 330 places, 554 transitions, 8949 flow [2021-12-06 18:10:09,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:09,043 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:10:09,043 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:10:09,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-06 18:10:09,044 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:10:09,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:10:09,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1317679675, now seen corresponding path program 7 times [2021-12-06 18:10:09,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:10:09,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465859079] [2021-12-06 18:10:09,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:10:09,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:10:09,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:10:09,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:10:09,578 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:10:09,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465859079] [2021-12-06 18:10:09,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465859079] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:10:09,578 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:10:09,579 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:10:09,579 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319122994] [2021-12-06 18:10:09,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:10:09,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:10:09,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:10:09,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:10:09,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:10:09,581 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:10:09,582 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 330 places, 554 transitions, 8949 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:09,582 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:10:09,582 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:10:09,582 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:10:12,551 INFO L129 PetriNetUnfolder]: 2290/4433 cut-off events. [2021-12-06 18:10:12,552 INFO L130 PetriNetUnfolder]: For 98202/98202 co-relation queries the response was YES. [2021-12-06 18:10:12,575 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35111 conditions, 4433 events. 2290/4433 cut-off events. For 98202/98202 co-relation queries the response was YES. Maximal size of possible extension queue 179. Compared 28753 event pairs, 428 based on Foata normal form. 8/4409 useless extension candidates. Maximal degree in co-relation 34893. Up to 2082 conditions per place. [2021-12-06 18:10:12,597 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 257 selfloop transitions, 355 changer transitions 0/723 dead transitions. [2021-12-06 18:10:12,597 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 349 places, 723 transitions, 12870 flow [2021-12-06 18:10:12,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 18:10:12,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 18:10:12,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2766 transitions. [2021-12-06 18:10:12,600 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.559919028340081 [2021-12-06 18:10:12,600 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2766 transitions. [2021-12-06 18:10:12,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2766 transitions. [2021-12-06 18:10:12,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:10:12,601 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2766 transitions. [2021-12-06 18:10:12,603 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 138.3) internal successors, (2766), 20 states have internal predecessors, (2766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:12,607 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:12,607 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:12,607 INFO L186 Difference]: Start difference. First operand has 330 places, 554 transitions, 8949 flow. Second operand 20 states and 2766 transitions. [2021-12-06 18:10:12,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 349 places, 723 transitions, 12870 flow [2021-12-06 18:10:12,834 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 338 places, 723 transitions, 12669 flow, removed 58 selfloop flow, removed 11 redundant places. [2021-12-06 18:10:12,846 INFO L242 Difference]: Finished difference. Result has 349 places, 646 transitions, 12116 flow [2021-12-06 18:10:12,847 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=8752, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=554, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=269, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=12116, PETRI_PLACES=349, PETRI_TRANSITIONS=646} [2021-12-06 18:10:12,847 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 104 predicate places. [2021-12-06 18:10:12,847 INFO L470 AbstractCegarLoop]: Abstraction has has 349 places, 646 transitions, 12116 flow [2021-12-06 18:10:12,847 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:12,847 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:10:12,848 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:10:12,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-06 18:10:12,848 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:10:12,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:10:12,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1981756155, now seen corresponding path program 8 times [2021-12-06 18:10:12,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:10:12,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588907517] [2021-12-06 18:10:12,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:10:12,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:10:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:10:13,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:10:13,276 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:10:13,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588907517] [2021-12-06 18:10:13,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588907517] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:10:13,276 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:10:13,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:10:13,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661383975] [2021-12-06 18:10:13,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:10:13,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:10:13,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:10:13,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:10:13,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:10:13,279 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:10:13,280 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 349 places, 646 transitions, 12116 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:13,280 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:10:13,280 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:10:13,280 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:10:15,535 INFO L129 PetriNetUnfolder]: 2336/4591 cut-off events. [2021-12-06 18:10:15,535 INFO L130 PetriNetUnfolder]: For 119282/119324 co-relation queries the response was YES. [2021-12-06 18:10:15,563 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39165 conditions, 4591 events. 2336/4591 cut-off events. For 119282/119324 co-relation queries the response was YES. Maximal size of possible extension queue 194. Compared 30261 event pairs, 189 based on Foata normal form. 8/4571 useless extension candidates. Maximal degree in co-relation 38936. Up to 2240 conditions per place. [2021-12-06 18:10:15,587 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 437 selfloop transitions, 262 changer transitions 0/810 dead transitions. [2021-12-06 18:10:15,587 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 367 places, 810 transitions, 16212 flow [2021-12-06 18:10:15,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-06 18:10:15,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-12-06 18:10:15,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2631 transitions. [2021-12-06 18:10:15,589 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.560622203281483 [2021-12-06 18:10:15,590 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2631 transitions. [2021-12-06 18:10:15,590 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2631 transitions. [2021-12-06 18:10:15,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:10:15,590 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2631 transitions. [2021-12-06 18:10:15,593 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 138.47368421052633) internal successors, (2631), 19 states have internal predecessors, (2631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:15,596 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 247.0) internal successors, (4940), 20 states have internal predecessors, (4940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:15,596 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 247.0) internal successors, (4940), 20 states have internal predecessors, (4940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:15,596 INFO L186 Difference]: Start difference. First operand has 349 places, 646 transitions, 12116 flow. Second operand 19 states and 2631 transitions. [2021-12-06 18:10:15,596 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 367 places, 810 transitions, 16212 flow [2021-12-06 18:10:15,898 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 810 transitions, 15622 flow, removed 222 selfloop flow, removed 10 redundant places. [2021-12-06 18:10:15,912 INFO L242 Difference]: Finished difference. Result has 363 places, 667 transitions, 13105 flow [2021-12-06 18:10:15,913 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=11608, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=646, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=241, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=13105, PETRI_PLACES=363, PETRI_TRANSITIONS=667} [2021-12-06 18:10:15,913 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 118 predicate places. [2021-12-06 18:10:15,913 INFO L470 AbstractCegarLoop]: Abstraction has has 363 places, 667 transitions, 13105 flow [2021-12-06 18:10:15,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:15,914 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:10:15,914 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:10:15,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-06 18:10:15,914 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:10:15,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:10:15,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1047196329, now seen corresponding path program 9 times [2021-12-06 18:10:15,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:10:15,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446270875] [2021-12-06 18:10:15,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:10:15,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:10:15,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:10:16,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:10:16,307 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:10:16,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446270875] [2021-12-06 18:10:16,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446270875] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:10:16,308 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:10:16,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:10:16,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355159293] [2021-12-06 18:10:16,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:10:16,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:10:16,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:10:16,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:10:16,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:10:16,310 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:10:16,311 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 363 places, 667 transitions, 13105 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:16,311 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:10:16,311 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:10:16,312 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:10:19,255 INFO L129 PetriNetUnfolder]: 2619/5034 cut-off events. [2021-12-06 18:10:19,255 INFO L130 PetriNetUnfolder]: For 147519/147519 co-relation queries the response was YES. [2021-12-06 18:10:19,287 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46066 conditions, 5034 events. 2619/5034 cut-off events. For 147519/147519 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 33807 event pairs, 160 based on Foata normal form. 8/5020 useless extension candidates. Maximal degree in co-relation 45834. Up to 2976 conditions per place. [2021-12-06 18:10:19,345 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 448 selfloop transitions, 314 changer transitions 0/873 dead transitions. [2021-12-06 18:10:19,345 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 873 transitions, 18885 flow [2021-12-06 18:10:19,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-06 18:10:19,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-12-06 18:10:19,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2500 transitions. [2021-12-06 18:10:19,347 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5623031938821412 [2021-12-06 18:10:19,348 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2500 transitions. [2021-12-06 18:10:19,348 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2500 transitions. [2021-12-06 18:10:19,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:10:19,348 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2500 transitions. [2021-12-06 18:10:19,350 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 138.88888888888889) internal successors, (2500), 18 states have internal predecessors, (2500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:19,353 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 247.0) internal successors, (4693), 19 states have internal predecessors, (4693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:19,354 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 247.0) internal successors, (4693), 19 states have internal predecessors, (4693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:19,354 INFO L186 Difference]: Start difference. First operand has 363 places, 667 transitions, 13105 flow. Second operand 18 states and 2500 transitions. [2021-12-06 18:10:19,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 873 transitions, 18885 flow [2021-12-06 18:10:19,770 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 873 transitions, 18735 flow, removed 4 selfloop flow, removed 12 redundant places. [2021-12-06 18:10:19,786 INFO L242 Difference]: Finished difference. Result has 375 places, 759 transitions, 17201 flow [2021-12-06 18:10:19,787 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=12961, PETRI_DIFFERENCE_MINUEND_PLACES=351, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=667, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=226, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=384, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=17201, PETRI_PLACES=375, PETRI_TRANSITIONS=759} [2021-12-06 18:10:19,787 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 130 predicate places. [2021-12-06 18:10:19,787 INFO L470 AbstractCegarLoop]: Abstraction has has 375 places, 759 transitions, 17201 flow [2021-12-06 18:10:19,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:19,787 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:10:19,788 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:10:19,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-06 18:10:19,788 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:10:19,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:10:19,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1130033441, now seen corresponding path program 10 times [2021-12-06 18:10:19,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:10:19,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960751160] [2021-12-06 18:10:19,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:10:19,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:10:19,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:10:20,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:10:20,224 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:10:20,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960751160] [2021-12-06 18:10:20,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960751160] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:10:20,224 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:10:20,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:10:20,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366889452] [2021-12-06 18:10:20,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:10:20,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:10:20,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:10:20,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:10:20,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:10:20,228 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:10:20,229 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 759 transitions, 17201 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:20,229 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:10:20,229 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:10:20,229 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:10:23,125 INFO L129 PetriNetUnfolder]: 2776/5448 cut-off events. [2021-12-06 18:10:23,125 INFO L130 PetriNetUnfolder]: For 192361/192361 co-relation queries the response was YES. [2021-12-06 18:10:23,162 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53205 conditions, 5448 events. 2776/5448 cut-off events. For 192361/192361 co-relation queries the response was YES. Maximal size of possible extension queue 232. Compared 37593 event pairs, 643 based on Foata normal form. 8/5424 useless extension candidates. Maximal degree in co-relation 52966. Up to 2696 conditions per place. [2021-12-06 18:10:23,192 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 360 selfloop transitions, 454 changer transitions 0/925 dead transitions. [2021-12-06 18:10:23,193 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 925 transitions, 22446 flow [2021-12-06 18:10:23,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-06 18:10:23,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-12-06 18:10:23,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2372 transitions. [2021-12-06 18:10:23,195 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5648964039056918 [2021-12-06 18:10:23,195 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 2372 transitions. [2021-12-06 18:10:23,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 2372 transitions. [2021-12-06 18:10:23,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:10:23,196 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 2372 transitions. [2021-12-06 18:10:23,198 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 139.52941176470588) internal successors, (2372), 17 states have internal predecessors, (2372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:23,201 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 247.0) internal successors, (4446), 18 states have internal predecessors, (4446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:23,202 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 247.0) internal successors, (4446), 18 states have internal predecessors, (4446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:23,202 INFO L186 Difference]: Start difference. First operand has 375 places, 759 transitions, 17201 flow. Second operand 17 states and 2372 transitions. [2021-12-06 18:10:23,202 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 925 transitions, 22446 flow [2021-12-06 18:10:23,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 925 transitions, 22301 flow, removed 34 selfloop flow, removed 10 redundant places. [2021-12-06 18:10:23,798 INFO L242 Difference]: Finished difference. Result has 391 places, 851 transitions, 21974 flow [2021-12-06 18:10:23,799 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=17068, PETRI_DIFFERENCE_MINUEND_PLACES=365, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=759, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=366, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=21974, PETRI_PLACES=391, PETRI_TRANSITIONS=851} [2021-12-06 18:10:23,799 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 146 predicate places. [2021-12-06 18:10:23,799 INFO L470 AbstractCegarLoop]: Abstraction has has 391 places, 851 transitions, 21974 flow [2021-12-06 18:10:23,799 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:23,799 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:10:23,799 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:10:23,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-06 18:10:23,800 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:10:23,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:10:23,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1790632389, now seen corresponding path program 11 times [2021-12-06 18:10:23,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:10:23,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86356581] [2021-12-06 18:10:23,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:10:23,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:10:23,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:10:24,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:10:24,276 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:10:24,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86356581] [2021-12-06 18:10:24,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86356581] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:10:24,276 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:10:24,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:10:24,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426218733] [2021-12-06 18:10:24,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:10:24,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:10:24,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:10:24,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:10:24,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:10:24,279 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:10:24,280 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 851 transitions, 21974 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:24,280 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:10:24,280 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:10:24,280 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:10:27,798 INFO L129 PetriNetUnfolder]: 2850/5644 cut-off events. [2021-12-06 18:10:27,798 INFO L130 PetriNetUnfolder]: For 237691/237810 co-relation queries the response was YES. [2021-12-06 18:10:27,841 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58601 conditions, 5644 events. 2850/5644 cut-off events. For 237691/237810 co-relation queries the response was YES. Maximal size of possible extension queue 248. Compared 39629 event pairs, 331 based on Foata normal form. 8/5618 useless extension candidates. Maximal degree in co-relation 58352. Up to 2640 conditions per place. [2021-12-06 18:10:27,875 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 517 selfloop transitions, 402 changer transitions 0/1030 dead transitions. [2021-12-06 18:10:27,875 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 1030 transitions, 27373 flow [2021-12-06 18:10:27,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 18:10:27,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 18:10:27,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2768 transitions. [2021-12-06 18:10:27,878 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5603238866396761 [2021-12-06 18:10:27,878 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2768 transitions. [2021-12-06 18:10:27,879 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2768 transitions. [2021-12-06 18:10:27,879 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:10:27,879 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2768 transitions. [2021-12-06 18:10:27,913 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 138.4) internal successors, (2768), 20 states have internal predecessors, (2768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:27,917 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:27,918 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:27,918 INFO L186 Difference]: Start difference. First operand has 391 places, 851 transitions, 21974 flow. Second operand 20 states and 2768 transitions. [2021-12-06 18:10:27,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 1030 transitions, 27373 flow [2021-12-06 18:10:28,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 1030 transitions, 27132 flow, removed 115 selfloop flow, removed 6 redundant places. [2021-12-06 18:10:28,648 INFO L242 Difference]: Finished difference. Result has 409 places, 881 transitions, 23929 flow [2021-12-06 18:10:28,649 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=21815, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=851, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=375, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=462, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=23929, PETRI_PLACES=409, PETRI_TRANSITIONS=881} [2021-12-06 18:10:28,649 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 164 predicate places. [2021-12-06 18:10:28,649 INFO L470 AbstractCegarLoop]: Abstraction has has 409 places, 881 transitions, 23929 flow [2021-12-06 18:10:28,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:28,649 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:10:28,649 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:10:28,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-06 18:10:28,650 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:10:28,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:10:28,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1472800327, now seen corresponding path program 12 times [2021-12-06 18:10:28,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:10:28,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994514324] [2021-12-06 18:10:28,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:10:28,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:10:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:10:29,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:10:29,009 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:10:29,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994514324] [2021-12-06 18:10:29,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994514324] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:10:29,009 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:10:29,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:10:29,009 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811606749] [2021-12-06 18:10:29,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:10:29,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:10:29,010 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:10:29,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:10:29,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:10:29,012 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:10:29,013 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 881 transitions, 23929 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:29,013 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:10:29,013 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:10:29,013 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:10:32,619 INFO L129 PetriNetUnfolder]: 3059/5902 cut-off events. [2021-12-06 18:10:32,619 INFO L130 PetriNetUnfolder]: For 276358/276358 co-relation queries the response was YES. [2021-12-06 18:10:32,668 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65771 conditions, 5902 events. 3059/5902 cut-off events. For 276358/276358 co-relation queries the response was YES. Maximal size of possible extension queue 255. Compared 41017 event pairs, 233 based on Foata normal form. 8/5884 useless extension candidates. Maximal degree in co-relation 65517. Up to 3332 conditions per place. [2021-12-06 18:10:32,705 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 470 selfloop transitions, 447 changer transitions 0/1028 dead transitions. [2021-12-06 18:10:32,705 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 1028 transitions, 29122 flow [2021-12-06 18:10:32,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-06 18:10:32,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-12-06 18:10:32,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2505 transitions. [2021-12-06 18:10:32,708 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5634278002699056 [2021-12-06 18:10:32,708 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2505 transitions. [2021-12-06 18:10:32,708 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2505 transitions. [2021-12-06 18:10:32,708 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:10:32,708 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2505 transitions. [2021-12-06 18:10:32,711 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 139.16666666666666) internal successors, (2505), 18 states have internal predecessors, (2505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:32,713 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 247.0) internal successors, (4693), 19 states have internal predecessors, (4693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:32,713 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 247.0) internal successors, (4693), 19 states have internal predecessors, (4693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:32,713 INFO L186 Difference]: Start difference. First operand has 409 places, 881 transitions, 23929 flow. Second operand 18 states and 2505 transitions. [2021-12-06 18:10:32,713 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 1028 transitions, 29122 flow [2021-12-06 18:10:33,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 413 places, 1028 transitions, 28414 flow, removed 36 selfloop flow, removed 13 redundant places. [2021-12-06 18:10:33,851 INFO L242 Difference]: Finished difference. Result has 421 places, 950 transitions, 27737 flow [2021-12-06 18:10:33,852 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=23282, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=881, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=382, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=475, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=27737, PETRI_PLACES=421, PETRI_TRANSITIONS=950} [2021-12-06 18:10:33,852 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 176 predicate places. [2021-12-06 18:10:33,852 INFO L470 AbstractCegarLoop]: Abstraction has has 421 places, 950 transitions, 27737 flow [2021-12-06 18:10:33,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:33,852 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:10:33,852 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:10:33,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-06 18:10:33,853 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:10:33,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:10:33,853 INFO L85 PathProgramCache]: Analyzing trace with hash -853750051, now seen corresponding path program 13 times [2021-12-06 18:10:33,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:10:33,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371515150] [2021-12-06 18:10:33,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:10:33,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:10:33,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:10:34,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:10:34,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:10:34,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371515150] [2021-12-06 18:10:34,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371515150] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:10:34,279 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:10:34,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:10:34,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182028630] [2021-12-06 18:10:34,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:10:34,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:10:34,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:10:34,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:10:34,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:10:34,282 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:10:34,283 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 421 places, 950 transitions, 27737 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:34,283 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:10:34,283 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:10:34,283 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:10:38,130 INFO L129 PetriNetUnfolder]: 3063/6020 cut-off events. [2021-12-06 18:10:38,130 INFO L130 PetriNetUnfolder]: For 309468/309496 co-relation queries the response was YES. [2021-12-06 18:10:38,189 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69478 conditions, 6020 events. 3063/6020 cut-off events. For 309468/309496 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 42905 event pairs, 133 based on Foata normal form. 8/6005 useless extension candidates. Maximal degree in co-relation 69216. Up to 2914 conditions per place. [2021-12-06 18:10:38,234 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 560 selfloop transitions, 450 changer transitions 0/1121 dead transitions. [2021-12-06 18:10:38,234 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 440 places, 1121 transitions, 33183 flow [2021-12-06 18:10:38,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 18:10:38,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 18:10:38,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2766 transitions. [2021-12-06 18:10:38,237 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.559919028340081 [2021-12-06 18:10:38,237 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2766 transitions. [2021-12-06 18:10:38,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2766 transitions. [2021-12-06 18:10:38,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:10:38,238 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2766 transitions. [2021-12-06 18:10:38,240 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 138.3) internal successors, (2766), 20 states have internal predecessors, (2766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:38,243 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:38,243 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:38,243 INFO L186 Difference]: Start difference. First operand has 421 places, 950 transitions, 27737 flow. Second operand 20 states and 2766 transitions. [2021-12-06 18:10:38,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 440 places, 1121 transitions, 33183 flow [2021-12-06 18:10:39,423 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 431 places, 1121 transitions, 32840 flow, removed 156 selfloop flow, removed 9 redundant places. [2021-12-06 18:10:39,450 INFO L242 Difference]: Finished difference. Result has 435 places, 968 transitions, 29347 flow [2021-12-06 18:10:39,451 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=27482, PETRI_DIFFERENCE_MINUEND_PLACES=412, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=950, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=435, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=507, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=29347, PETRI_PLACES=435, PETRI_TRANSITIONS=968} [2021-12-06 18:10:39,452 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 190 predicate places. [2021-12-06 18:10:39,452 INFO L470 AbstractCegarLoop]: Abstraction has has 435 places, 968 transitions, 29347 flow [2021-12-06 18:10:39,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:39,452 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:10:39,452 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:10:39,452 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-06 18:10:39,452 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:10:39,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:10:39,453 INFO L85 PathProgramCache]: Analyzing trace with hash -339468379, now seen corresponding path program 14 times [2021-12-06 18:10:39,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:10:39,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585339012] [2021-12-06 18:10:39,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:10:39,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:10:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:10:39,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:10:39,799 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:10:39,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585339012] [2021-12-06 18:10:39,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585339012] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:10:39,800 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:10:39,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:10:39,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349352728] [2021-12-06 18:10:39,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:10:39,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:10:39,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:10:39,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:10:39,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:10:39,802 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:10:39,803 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 435 places, 968 transitions, 29347 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:39,803 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:10:39,803 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:10:39,803 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:10:43,572 INFO L129 PetriNetUnfolder]: 3167/6178 cut-off events. [2021-12-06 18:10:43,572 INFO L130 PetriNetUnfolder]: For 346656/346656 co-relation queries the response was YES. [2021-12-06 18:10:43,677 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75215 conditions, 6178 events. 3167/6178 cut-off events. For 346656/346656 co-relation queries the response was YES. Maximal size of possible extension queue 278. Compared 43696 event pairs, 301 based on Foata normal form. 8/6159 useless extension candidates. Maximal degree in co-relation 74949. Up to 3454 conditions per place. [2021-12-06 18:10:43,729 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 499 selfloop transitions, 493 changer transitions 0/1103 dead transitions. [2021-12-06 18:10:43,729 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 452 places, 1103 transitions, 34649 flow [2021-12-06 18:10:43,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-06 18:10:43,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-12-06 18:10:43,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2503 transitions. [2021-12-06 18:10:43,732 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5629779577147999 [2021-12-06 18:10:43,733 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2503 transitions. [2021-12-06 18:10:43,733 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2503 transitions. [2021-12-06 18:10:43,733 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:10:43,733 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2503 transitions. [2021-12-06 18:10:43,736 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 139.05555555555554) internal successors, (2503), 18 states have internal predecessors, (2503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:43,739 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 247.0) internal successors, (4693), 19 states have internal predecessors, (4693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:43,739 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 247.0) internal successors, (4693), 19 states have internal predecessors, (4693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:43,739 INFO L186 Difference]: Start difference. First operand has 435 places, 968 transitions, 29347 flow. Second operand 18 states and 2503 transitions. [2021-12-06 18:10:43,739 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 452 places, 1103 transitions, 34649 flow [2021-12-06 18:10:45,284 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 438 places, 1103 transitions, 34376 flow, removed 26 selfloop flow, removed 14 redundant places. [2021-12-06 18:10:45,313 INFO L242 Difference]: Finished difference. Result has 447 places, 1028 transitions, 33722 flow [2021-12-06 18:10:45,313 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=29088, PETRI_DIFFERENCE_MINUEND_PLACES=421, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=968, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=436, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=509, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=33722, PETRI_PLACES=447, PETRI_TRANSITIONS=1028} [2021-12-06 18:10:45,314 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 202 predicate places. [2021-12-06 18:10:45,314 INFO L470 AbstractCegarLoop]: Abstraction has has 447 places, 1028 transitions, 33722 flow [2021-12-06 18:10:45,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:45,314 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:10:45,314 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:10:45,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-06 18:10:45,314 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:10:45,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:10:45,315 INFO L85 PathProgramCache]: Analyzing trace with hash -890524697, now seen corresponding path program 15 times [2021-12-06 18:10:45,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:10:45,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234302660] [2021-12-06 18:10:45,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:10:45,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:10:45,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:10:45,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:10:45,751 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:10:45,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234302660] [2021-12-06 18:10:45,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234302660] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:10:45,752 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:10:45,752 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:10:45,752 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987895602] [2021-12-06 18:10:45,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:10:45,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:10:45,752 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:10:45,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:10:45,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:10:45,754 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:10:45,755 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 447 places, 1028 transitions, 33722 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:45,756 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:10:45,756 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:10:45,756 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:10:50,347 INFO L129 PetriNetUnfolder]: 3367/6672 cut-off events. [2021-12-06 18:10:50,347 INFO L130 PetriNetUnfolder]: For 425704/425746 co-relation queries the response was YES. [2021-12-06 18:10:50,410 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84499 conditions, 6672 events. 3367/6672 cut-off events. For 425704/425746 co-relation queries the response was YES. Maximal size of possible extension queue 305. Compared 48342 event pairs, 524 based on Foata normal form. 8/6646 useless extension candidates. Maximal degree in co-relation 84224. Up to 3764 conditions per place. [2021-12-06 18:10:50,456 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 561 selfloop transitions, 510 changer transitions 0/1182 dead transitions. [2021-12-06 18:10:50,456 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 466 places, 1182 transitions, 39545 flow [2021-12-06 18:10:50,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 18:10:50,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 18:10:50,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2769 transitions. [2021-12-06 18:10:50,459 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5605263157894737 [2021-12-06 18:10:50,459 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2769 transitions. [2021-12-06 18:10:50,459 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2769 transitions. [2021-12-06 18:10:50,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:10:50,459 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2769 transitions. [2021-12-06 18:10:50,462 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 138.45) internal successors, (2769), 20 states have internal predecessors, (2769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:50,464 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:50,464 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:50,465 INFO L186 Difference]: Start difference. First operand has 447 places, 1028 transitions, 33722 flow. Second operand 20 states and 2769 transitions. [2021-12-06 18:10:50,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 466 places, 1182 transitions, 39545 flow [2021-12-06 18:10:52,183 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 458 places, 1182 transitions, 39315 flow, removed 102 selfloop flow, removed 8 redundant places. [2021-12-06 18:10:52,214 INFO L242 Difference]: Finished difference. Result has 466 places, 1088 transitions, 38215 flow [2021-12-06 18:10:52,215 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=33502, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1028, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=455, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=556, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=38215, PETRI_PLACES=466, PETRI_TRANSITIONS=1088} [2021-12-06 18:10:52,216 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 221 predicate places. [2021-12-06 18:10:52,216 INFO L470 AbstractCegarLoop]: Abstraction has has 466 places, 1088 transitions, 38215 flow [2021-12-06 18:10:52,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:52,216 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:10:52,216 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:10:52,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-06 18:10:52,216 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:10:52,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:10:52,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1641195515, now seen corresponding path program 16 times [2021-12-06 18:10:52,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:10:52,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551845540] [2021-12-06 18:10:52,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:10:52,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:10:52,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:10:52,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:10:52,795 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:10:52,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551845540] [2021-12-06 18:10:52,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551845540] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:10:52,796 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:10:52,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:10:52,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631521814] [2021-12-06 18:10:52,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:10:52,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:10:52,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:10:52,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:10:52,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:10:52,798 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:10:52,799 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 466 places, 1088 transitions, 38215 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:52,799 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:10:52,799 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:10:52,799 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:10:57,803 INFO L129 PetriNetUnfolder]: 3554/6958 cut-off events. [2021-12-06 18:10:57,804 INFO L130 PetriNetUnfolder]: For 508459/508501 co-relation queries the response was YES. [2021-12-06 18:10:57,885 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93427 conditions, 6958 events. 3554/6958 cut-off events. For 508459/508501 co-relation queries the response was YES. Maximal size of possible extension queue 328. Compared 50730 event pairs, 502 based on Foata normal form. 8/6933 useless extension candidates. Maximal degree in co-relation 93144. Up to 3814 conditions per place. [2021-12-06 18:10:57,947 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 579 selfloop transitions, 568 changer transitions 0/1258 dead transitions. [2021-12-06 18:10:57,947 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 485 places, 1258 transitions, 45151 flow [2021-12-06 18:10:57,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 18:10:57,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 18:10:57,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2767 transitions. [2021-12-06 18:10:57,951 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5601214574898785 [2021-12-06 18:10:57,951 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2767 transitions. [2021-12-06 18:10:57,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2767 transitions. [2021-12-06 18:10:57,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:10:57,952 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2767 transitions. [2021-12-06 18:10:57,955 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 138.35) internal successors, (2767), 20 states have internal predecessors, (2767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:57,957 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:57,958 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:57,958 INFO L186 Difference]: Start difference. First operand has 466 places, 1088 transitions, 38215 flow. Second operand 20 states and 2767 transitions. [2021-12-06 18:10:57,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 485 places, 1258 transitions, 45151 flow [2021-12-06 18:11:00,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 474 places, 1258 transitions, 44685 flow, removed 183 selfloop flow, removed 11 redundant places. [2021-12-06 18:11:00,223 INFO L242 Difference]: Finished difference. Result has 482 places, 1164 transitions, 43142 flow [2021-12-06 18:11:00,224 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=37823, PETRI_DIFFERENCE_MINUEND_PLACES=455, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1088, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=500, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=569, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=43142, PETRI_PLACES=482, PETRI_TRANSITIONS=1164} [2021-12-06 18:11:00,224 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 237 predicate places. [2021-12-06 18:11:00,224 INFO L470 AbstractCegarLoop]: Abstraction has has 482 places, 1164 transitions, 43142 flow [2021-12-06 18:11:00,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:11:00,225 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:11:00,225 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:11:00,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-12-06 18:11:00,225 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:11:00,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:11:00,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1053142789, now seen corresponding path program 17 times [2021-12-06 18:11:00,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:11:00,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803589794] [2021-12-06 18:11:00,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:11:00,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:11:00,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:11:00,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:11:00,548 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:11:00,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803589794] [2021-12-06 18:11:00,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803589794] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:11:00,548 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:11:00,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:11:00,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483436328] [2021-12-06 18:11:00,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:11:00,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:11:00,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:11:00,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:11:00,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:11:00,551 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:11:00,552 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 482 places, 1164 transitions, 43142 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:11:00,552 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:11:00,552 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:11:00,552 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:11:05,715 INFO L129 PetriNetUnfolder]: 3621/7044 cut-off events. [2021-12-06 18:11:05,715 INFO L130 PetriNetUnfolder]: For 570405/570450 co-relation queries the response was YES. [2021-12-06 18:11:05,790 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99518 conditions, 7044 events. 3621/7044 cut-off events. For 570405/570450 co-relation queries the response was YES. Maximal size of possible extension queue 328. Compared 51217 event pairs, 234 based on Foata normal form. 10/7027 useless extension candidates. Maximal degree in co-relation 99227. Up to 4084 conditions per place. [2021-12-06 18:11:05,842 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 596 selfloop transitions, 577 changer transitions 0/1284 dead transitions. [2021-12-06 18:11:05,843 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 500 places, 1284 transitions, 47968 flow [2021-12-06 18:11:05,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-06 18:11:05,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-12-06 18:11:05,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2636 transitions. [2021-12-06 18:11:05,845 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.561687619859365 [2021-12-06 18:11:05,845 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2636 transitions. [2021-12-06 18:11:05,845 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2636 transitions. [2021-12-06 18:11:05,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:11:05,846 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2636 transitions. [2021-12-06 18:11:05,848 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 138.73684210526315) internal successors, (2636), 19 states have internal predecessors, (2636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:11:05,850 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 247.0) internal successors, (4940), 20 states have internal predecessors, (4940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:11:05,850 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 247.0) internal successors, (4940), 20 states have internal predecessors, (4940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:11:05,850 INFO L186 Difference]: Start difference. First operand has 482 places, 1164 transitions, 43142 flow. Second operand 19 states and 2636 transitions. [2021-12-06 18:11:05,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 500 places, 1284 transitions, 47968 flow [2021-12-06 18:11:08,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 492 places, 1284 transitions, 47382 flow, removed 275 selfloop flow, removed 8 redundant places. [2021-12-06 18:11:08,460 INFO L242 Difference]: Finished difference. Result has 497 places, 1195 transitions, 46493 flow [2021-12-06 18:11:08,461 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=42664, PETRI_DIFFERENCE_MINUEND_PLACES=474, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=547, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=602, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=46493, PETRI_PLACES=497, PETRI_TRANSITIONS=1195} [2021-12-06 18:11:08,461 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 252 predicate places. [2021-12-06 18:11:08,461 INFO L470 AbstractCegarLoop]: Abstraction has has 497 places, 1195 transitions, 46493 flow [2021-12-06 18:11:08,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:11:08,462 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:11:08,462 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:11:08,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-12-06 18:11:08,462 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:11:08,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:11:08,462 INFO L85 PathProgramCache]: Analyzing trace with hash 385011473, now seen corresponding path program 18 times [2021-12-06 18:11:08,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:11:08,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882318426] [2021-12-06 18:11:08,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:11:08,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:11:08,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:11:08,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:11:08,970 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:11:08,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882318426] [2021-12-06 18:11:08,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882318426] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:11:08,970 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:11:08,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:11:08,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795292526] [2021-12-06 18:11:08,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:11:08,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:11:08,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:11:08,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:11:08,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:11:08,973 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:11:08,974 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 497 places, 1195 transitions, 46493 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:11:08,974 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:11:08,974 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:11:08,974 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:11:15,058 INFO L129 PetriNetUnfolder]: 3751/7262 cut-off events. [2021-12-06 18:11:15,058 INFO L130 PetriNetUnfolder]: For 638852/638908 co-relation queries the response was YES. [2021-12-06 18:11:15,153 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106133 conditions, 7262 events. 3751/7262 cut-off events. For 638852/638908 co-relation queries the response was YES. Maximal size of possible extension queue 341. Compared 52967 event pairs, 266 based on Foata normal form. 10/7245 useless extension candidates. Maximal degree in co-relation 105837. Up to 4168 conditions per place. [2021-12-06 18:11:15,223 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 610 selfloop transitions, 599 changer transitions 0/1320 dead transitions. [2021-12-06 18:11:15,223 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 1320 transitions, 51625 flow [2021-12-06 18:11:15,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 18:11:15,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 18:11:15,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2771 transitions. [2021-12-06 18:11:15,226 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5609311740890688 [2021-12-06 18:11:15,226 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2771 transitions. [2021-12-06 18:11:15,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2771 transitions. [2021-12-06 18:11:15,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:11:15,227 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2771 transitions. [2021-12-06 18:11:15,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 138.55) internal successors, (2771), 20 states have internal predecessors, (2771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:11:15,233 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:11:15,233 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:11:15,233 INFO L186 Difference]: Start difference. First operand has 497 places, 1195 transitions, 46493 flow. Second operand 20 states and 2771 transitions. [2021-12-06 18:11:15,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 516 places, 1320 transitions, 51625 flow [2021-12-06 18:11:18,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 503 places, 1320 transitions, 51338 flow, removed 41 selfloop flow, removed 13 redundant places. [2021-12-06 18:11:18,432 INFO L242 Difference]: Finished difference. Result has 509 places, 1231 transitions, 49539 flow [2021-12-06 18:11:18,433 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=46220, PETRI_DIFFERENCE_MINUEND_PLACES=484, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=567, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=614, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=49539, PETRI_PLACES=509, PETRI_TRANSITIONS=1231} [2021-12-06 18:11:18,433 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 264 predicate places. [2021-12-06 18:11:18,434 INFO L470 AbstractCegarLoop]: Abstraction has has 509 places, 1231 transitions, 49539 flow [2021-12-06 18:11:18,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:11:18,434 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:11:18,434 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:11:18,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-12-06 18:11:18,434 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:11:18,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:11:18,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1232834509, now seen corresponding path program 19 times [2021-12-06 18:11:18,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:11:18,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339389618] [2021-12-06 18:11:18,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:11:18,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:11:18,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:11:18,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:11:18,859 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:11:18,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339389618] [2021-12-06 18:11:18,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339389618] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:11:18,860 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:11:18,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:11:18,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106878868] [2021-12-06 18:11:18,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:11:18,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:11:18,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:11:18,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:11:18,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:11:18,862 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:11:18,889 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 509 places, 1231 transitions, 49539 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:11:18,889 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:11:18,889 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:11:18,889 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:11:24,327 INFO L129 PetriNetUnfolder]: 3791/7338 cut-off events. [2021-12-06 18:11:24,327 INFO L130 PetriNetUnfolder]: For 680204/680260 co-relation queries the response was YES. [2021-12-06 18:11:24,468 INFO L84 FinitePrefix]: Finished finitePrefix Result has 110180 conditions, 7338 events. 3791/7338 cut-off events. For 680204/680260 co-relation queries the response was YES. Maximal size of possible extension queue 343. Compared 53673 event pairs, 242 based on Foata normal form. 10/7321 useless extension candidates. Maximal degree in co-relation 109878. Up to 4266 conditions per place. [2021-12-06 18:11:24,526 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 615 selfloop transitions, 609 changer transitions 0/1335 dead transitions. [2021-12-06 18:11:24,526 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 528 places, 1335 transitions, 53460 flow [2021-12-06 18:11:24,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 18:11:24,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 18:11:24,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2767 transitions. [2021-12-06 18:11:24,528 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5601214574898785 [2021-12-06 18:11:24,528 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2767 transitions. [2021-12-06 18:11:24,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2767 transitions. [2021-12-06 18:11:24,529 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:11:24,529 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2767 transitions. [2021-12-06 18:11:24,531 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 138.35) internal successors, (2767), 20 states have internal predecessors, (2767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:11:24,534 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:11:24,534 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:11:24,534 INFO L186 Difference]: Start difference. First operand has 509 places, 1231 transitions, 49539 flow. Second operand 20 states and 2767 transitions. [2021-12-06 18:11:24,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 528 places, 1335 transitions, 53460 flow [2021-12-06 18:11:27,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 517 places, 1335 transitions, 53036 flow, removed 137 selfloop flow, removed 11 redundant places. [2021-12-06 18:11:27,755 INFO L242 Difference]: Finished difference. Result has 521 places, 1247 transitions, 51770 flow [2021-12-06 18:11:27,756 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=49127, PETRI_DIFFERENCE_MINUEND_PLACES=498, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=596, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=629, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=51770, PETRI_PLACES=521, PETRI_TRANSITIONS=1247} [2021-12-06 18:11:27,757 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 276 predicate places. [2021-12-06 18:11:27,757 INFO L470 AbstractCegarLoop]: Abstraction has has 521 places, 1247 transitions, 51770 flow [2021-12-06 18:11:27,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:11:27,757 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:11:27,757 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:11:27,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-12-06 18:11:27,757 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:11:27,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:11:27,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1342940543, now seen corresponding path program 20 times [2021-12-06 18:11:27,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:11:27,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126272068] [2021-12-06 18:11:27,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:11:27,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:11:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:11:28,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:11:28,218 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:11:28,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126272068] [2021-12-06 18:11:28,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126272068] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:11:28,219 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:11:28,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:11:28,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303998146] [2021-12-06 18:11:28,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:11:28,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:11:28,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:11:28,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:11:28,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:11:28,221 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:11:28,222 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 521 places, 1247 transitions, 51770 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:11:28,222 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:11:28,222 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:11:28,222 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:11:34,222 INFO L129 PetriNetUnfolder]: 3789/7336 cut-off events. [2021-12-06 18:11:34,223 INFO L130 PetriNetUnfolder]: For 714799/714855 co-relation queries the response was YES. [2021-12-06 18:11:34,311 INFO L84 FinitePrefix]: Finished finitePrefix Result has 112825 conditions, 7336 events. 3789/7336 cut-off events. For 714799/714855 co-relation queries the response was YES. Maximal size of possible extension queue 343. Compared 53601 event pairs, 258 based on Foata normal form. 10/7319 useless extension candidates. Maximal degree in co-relation 112519. Up to 4162 conditions per place. [2021-12-06 18:11:34,369 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 608 selfloop transitions, 632 changer transitions 0/1351 dead transitions. [2021-12-06 18:11:34,369 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 540 places, 1351 transitions, 55859 flow [2021-12-06 18:11:34,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 18:11:34,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 18:11:34,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2767 transitions. [2021-12-06 18:11:34,372 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5601214574898785 [2021-12-06 18:11:34,372 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2767 transitions. [2021-12-06 18:11:34,372 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2767 transitions. [2021-12-06 18:11:34,373 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:11:34,373 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2767 transitions. [2021-12-06 18:11:34,376 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 138.35) internal successors, (2767), 20 states have internal predecessors, (2767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:11:34,379 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:11:34,380 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:11:34,380 INFO L186 Difference]: Start difference. First operand has 521 places, 1247 transitions, 51770 flow. Second operand 20 states and 2767 transitions. [2021-12-06 18:11:34,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 540 places, 1351 transitions, 55859 flow [2021-12-06 18:11:37,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 528 places, 1351 transitions, 55585 flow, removed 66 selfloop flow, removed 12 redundant places. [2021-12-06 18:11:37,709 INFO L242 Difference]: Finished difference. Result has 532 places, 1268 transitions, 53950 flow [2021-12-06 18:11:37,710 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=51497, PETRI_DIFFERENCE_MINUEND_PLACES=509, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=614, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=624, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=53950, PETRI_PLACES=532, PETRI_TRANSITIONS=1268} [2021-12-06 18:11:37,710 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 287 predicate places. [2021-12-06 18:11:37,710 INFO L470 AbstractCegarLoop]: Abstraction has has 532 places, 1268 transitions, 53950 flow [2021-12-06 18:11:37,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:11:37,710 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:11:37,711 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:11:37,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-12-06 18:11:37,711 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:11:37,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:11:37,711 INFO L85 PathProgramCache]: Analyzing trace with hash -304435319, now seen corresponding path program 21 times [2021-12-06 18:11:37,711 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:11:37,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323008423] [2021-12-06 18:11:37,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:11:37,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:11:37,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:11:38,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:11:38,023 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:11:38,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323008423] [2021-12-06 18:11:38,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323008423] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:11:38,024 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:11:38,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:11:38,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363085878] [2021-12-06 18:11:38,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:11:38,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:11:38,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:11:38,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:11:38,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:11:38,026 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:11:38,027 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 532 places, 1268 transitions, 53950 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:11:38,027 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:11:38,027 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:11:38,027 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:11:44,120 INFO L129 PetriNetUnfolder]: 3835/7476 cut-off events. [2021-12-06 18:11:44,120 INFO L130 PetriNetUnfolder]: For 760133/760177 co-relation queries the response was YES. [2021-12-06 18:11:44,217 INFO L84 FinitePrefix]: Finished finitePrefix Result has 117334 conditions, 7476 events. 3835/7476 cut-off events. For 760133/760177 co-relation queries the response was YES. Maximal size of possible extension queue 355. Compared 55280 event pairs, 586 based on Foata normal form. 10/7452 useless extension candidates. Maximal degree in co-relation 117024. Up to 4356 conditions per place. [2021-12-06 18:11:44,276 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 644 selfloop transitions, 612 changer transitions 0/1367 dead transitions. [2021-12-06 18:11:44,276 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 550 places, 1367 transitions, 58275 flow [2021-12-06 18:11:44,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-06 18:11:44,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-12-06 18:11:44,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2631 transitions. [2021-12-06 18:11:44,278 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.560622203281483 [2021-12-06 18:11:44,278 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2631 transitions. [2021-12-06 18:11:44,278 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2631 transitions. [2021-12-06 18:11:44,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:11:44,279 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2631 transitions. [2021-12-06 18:11:44,281 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 138.47368421052633) internal successors, (2631), 19 states have internal predecessors, (2631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:11:44,283 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 247.0) internal successors, (4940), 20 states have internal predecessors, (4940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:11:44,283 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 247.0) internal successors, (4940), 20 states have internal predecessors, (4940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:11:44,283 INFO L186 Difference]: Start difference. First operand has 532 places, 1268 transitions, 53950 flow. Second operand 19 states and 2631 transitions. [2021-12-06 18:11:44,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 550 places, 1367 transitions, 58275 flow [2021-12-06 18:11:47,725 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 537 places, 1367 transitions, 57655 flow, removed 180 selfloop flow, removed 13 redundant places. [2021-12-06 18:11:47,768 INFO L242 Difference]: Finished difference. Result has 542 places, 1287 transitions, 56439 flow [2021-12-06 18:11:47,769 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=53336, PETRI_DIFFERENCE_MINUEND_PLACES=519, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=593, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=663, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=56439, PETRI_PLACES=542, PETRI_TRANSITIONS=1287} [2021-12-06 18:11:47,770 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 297 predicate places. [2021-12-06 18:11:47,770 INFO L470 AbstractCegarLoop]: Abstraction has has 542 places, 1287 transitions, 56439 flow [2021-12-06 18:11:47,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:11:47,770 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:11:47,770 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:11:47,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-12-06 18:11:47,770 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:11:47,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:11:47,771 INFO L85 PathProgramCache]: Analyzing trace with hash 328509563, now seen corresponding path program 22 times [2021-12-06 18:11:47,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:11:47,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453508214] [2021-12-06 18:11:47,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:11:47,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:11:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:11:48,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:11:48,177 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:11:48,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453508214] [2021-12-06 18:11:48,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453508214] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:11:48,177 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:11:48,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:11:48,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299395278] [2021-12-06 18:11:48,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:11:48,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:11:48,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:11:48,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:11:48,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:11:48,179 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:11:48,180 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 542 places, 1287 transitions, 56439 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:11:48,180 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:11:48,181 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:11:48,181 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:11:54,215 INFO L129 PetriNetUnfolder]: 3839/7442 cut-off events. [2021-12-06 18:11:54,215 INFO L130 PetriNetUnfolder]: For 807369/807425 co-relation queries the response was YES. [2021-12-06 18:11:54,321 INFO L84 FinitePrefix]: Finished finitePrefix Result has 120281 conditions, 7442 events. 3839/7442 cut-off events. For 807369/807425 co-relation queries the response was YES. Maximal size of possible extension queue 350. Compared 54719 event pairs, 266 based on Foata normal form. 10/7424 useless extension candidates. Maximal degree in co-relation 119966. Up to 4326 conditions per place. [2021-12-06 18:11:54,381 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 649 selfloop transitions, 628 changer transitions 0/1388 dead transitions. [2021-12-06 18:11:54,381 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 561 places, 1388 transitions, 60777 flow [2021-12-06 18:11:54,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 18:11:54,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 18:11:54,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2766 transitions. [2021-12-06 18:11:54,384 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.559919028340081 [2021-12-06 18:11:54,384 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2766 transitions. [2021-12-06 18:11:54,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2766 transitions. [2021-12-06 18:11:54,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:11:54,384 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2766 transitions. [2021-12-06 18:11:54,386 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 138.3) internal successors, (2766), 20 states have internal predecessors, (2766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:11:54,388 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:11:54,389 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:11:54,389 INFO L186 Difference]: Start difference. First operand has 542 places, 1287 transitions, 56439 flow. Second operand 20 states and 2766 transitions. [2021-12-06 18:11:54,389 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 561 places, 1388 transitions, 60777 flow [2021-12-06 18:11:57,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 550 places, 1388 transitions, 60103 flow, removed 262 selfloop flow, removed 11 redundant places. [2021-12-06 18:11:57,972 INFO L242 Difference]: Finished difference. Result has 554 places, 1307 transitions, 58403 flow [2021-12-06 18:11:57,973 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=55903, PETRI_DIFFERENCE_MINUEND_PLACES=531, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=611, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=668, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=58403, PETRI_PLACES=554, PETRI_TRANSITIONS=1307} [2021-12-06 18:11:57,973 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 309 predicate places. [2021-12-06 18:11:57,973 INFO L470 AbstractCegarLoop]: Abstraction has has 554 places, 1307 transitions, 58403 flow [2021-12-06 18:11:57,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:11:57,974 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:11:57,974 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:11:57,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-12-06 18:11:57,974 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:11:57,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:11:57,975 INFO L85 PathProgramCache]: Analyzing trace with hash 484945551, now seen corresponding path program 23 times [2021-12-06 18:11:57,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:11:57,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414689090] [2021-12-06 18:11:57,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:11:57,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:11:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:11:58,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:11:58,551 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:11:58,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414689090] [2021-12-06 18:11:58,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414689090] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:11:58,551 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:11:58,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:11:58,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379680210] [2021-12-06 18:11:58,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:11:58,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:11:58,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:11:58,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:11:58,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:11:58,553 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:11:58,555 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 554 places, 1307 transitions, 58403 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:11:58,555 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:11:58,555 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:11:58,555 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:12:05,199 INFO L129 PetriNetUnfolder]: 4011/7767 cut-off events. [2021-12-06 18:12:05,199 INFO L130 PetriNetUnfolder]: For 870667/870681 co-relation queries the response was YES. [2021-12-06 18:12:05,320 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126955 conditions, 7767 events. 4011/7767 cut-off events. For 870667/870681 co-relation queries the response was YES. Maximal size of possible extension queue 367. Compared 57388 event pairs, 361 based on Foata normal form. 11/7749 useless extension candidates. Maximal degree in co-relation 126636. Up to 4170 conditions per place. [2021-12-06 18:12:05,401 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 625 selfloop transitions, 726 changer transitions 0/1462 dead transitions. [2021-12-06 18:12:05,401 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 573 places, 1462 transitions, 64986 flow [2021-12-06 18:12:05,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 18:12:05,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 18:12:05,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2767 transitions. [2021-12-06 18:12:05,404 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5601214574898785 [2021-12-06 18:12:05,404 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2767 transitions. [2021-12-06 18:12:05,404 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2767 transitions. [2021-12-06 18:12:05,405 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:12:05,405 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2767 transitions. [2021-12-06 18:12:05,407 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 138.35) internal successors, (2767), 20 states have internal predecessors, (2767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:12:05,410 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:12:05,410 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:12:05,410 INFO L186 Difference]: Start difference. First operand has 554 places, 1307 transitions, 58403 flow. Second operand 20 states and 2767 transitions. [2021-12-06 18:12:05,410 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 573 places, 1462 transitions, 64986 flow [2021-12-06 18:12:09,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 560 places, 1462 transitions, 64702 flow, removed 33 selfloop flow, removed 13 redundant places. [2021-12-06 18:12:09,264 INFO L242 Difference]: Finished difference. Result has 567 places, 1382 transitions, 63075 flow [2021-12-06 18:12:09,265 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=58119, PETRI_DIFFERENCE_MINUEND_PLACES=541, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=655, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=636, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=63075, PETRI_PLACES=567, PETRI_TRANSITIONS=1382} [2021-12-06 18:12:09,266 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 322 predicate places. [2021-12-06 18:12:09,266 INFO L470 AbstractCegarLoop]: Abstraction has has 567 places, 1382 transitions, 63075 flow [2021-12-06 18:12:09,266 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:12:09,266 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:12:09,266 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:12:09,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-12-06 18:12:09,266 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:12:09,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:12:09,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1704788835, now seen corresponding path program 24 times [2021-12-06 18:12:09,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:12:09,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318312708] [2021-12-06 18:12:09,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:12:09,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:12:09,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:12:09,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:12:09,592 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:12:09,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318312708] [2021-12-06 18:12:09,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318312708] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:12:09,592 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:12:09,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:12:09,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217560140] [2021-12-06 18:12:09,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:12:09,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:12:09,592 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:12:09,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:12:09,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:12:09,594 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:12:09,595 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 567 places, 1382 transitions, 63075 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:12:09,595 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:12:09,595 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:12:09,595 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:12:16,467 INFO L129 PetriNetUnfolder]: 4120/7929 cut-off events. [2021-12-06 18:12:16,467 INFO L130 PetriNetUnfolder]: For 940092/940148 co-relation queries the response was YES. [2021-12-06 18:12:16,589 INFO L84 FinitePrefix]: Finished finitePrefix Result has 134815 conditions, 7929 events. 4120/7929 cut-off events. For 940092/940148 co-relation queries the response was YES. Maximal size of possible extension queue 382. Compared 58667 event pairs, 644 based on Foata normal form. 8/7905 useless extension candidates. Maximal degree in co-relation 134489. Up to 4514 conditions per place. [2021-12-06 18:12:16,658 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 657 selfloop transitions, 727 changer transitions 0/1495 dead transitions. [2021-12-06 18:12:16,658 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 585 places, 1495 transitions, 68943 flow [2021-12-06 18:12:16,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-06 18:12:16,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-12-06 18:12:16,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2639 transitions. [2021-12-06 18:12:16,660 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5623268698060941 [2021-12-06 18:12:16,660 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2639 transitions. [2021-12-06 18:12:16,660 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2639 transitions. [2021-12-06 18:12:16,660 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:12:16,660 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2639 transitions. [2021-12-06 18:12:16,662 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 138.89473684210526) internal successors, (2639), 19 states have internal predecessors, (2639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:12:16,664 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 247.0) internal successors, (4940), 20 states have internal predecessors, (4940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:12:16,664 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 247.0) internal successors, (4940), 20 states have internal predecessors, (4940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:12:16,664 INFO L186 Difference]: Start difference. First operand has 567 places, 1382 transitions, 63075 flow. Second operand 19 states and 2639 transitions. [2021-12-06 18:12:16,664 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 585 places, 1495 transitions, 68943 flow [2021-12-06 18:12:21,364 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 577 places, 1495 transitions, 68229 flow, removed 344 selfloop flow, removed 8 redundant places. [2021-12-06 18:12:21,412 INFO L242 Difference]: Finished difference. Result has 582 places, 1423 transitions, 67254 flow [2021-12-06 18:12:21,414 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=62531, PETRI_DIFFERENCE_MINUEND_PLACES=559, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=688, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=680, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=67254, PETRI_PLACES=582, PETRI_TRANSITIONS=1423} [2021-12-06 18:12:21,414 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 337 predicate places. [2021-12-06 18:12:21,414 INFO L470 AbstractCegarLoop]: Abstraction has has 582 places, 1423 transitions, 67254 flow [2021-12-06 18:12:21,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:12:21,414 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:12:21,414 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:12:21,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-12-06 18:12:21,415 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:12:21,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:12:21,415 INFO L85 PathProgramCache]: Analyzing trace with hash 99355175, now seen corresponding path program 25 times [2021-12-06 18:12:21,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:12:21,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550737719] [2021-12-06 18:12:21,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:12:21,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:12:21,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:12:21,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:12:21,941 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:12:21,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550737719] [2021-12-06 18:12:21,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550737719] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:12:21,942 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:12:21,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:12:21,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88052634] [2021-12-06 18:12:21,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:12:21,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:12:21,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:12:21,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:12:21,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:12:21,944 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:12:21,945 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 582 places, 1423 transitions, 67254 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:12:21,945 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:12:21,946 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:12:21,946 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:12:29,545 INFO L129 PetriNetUnfolder]: 4313/8228 cut-off events. [2021-12-06 18:12:29,545 INFO L130 PetriNetUnfolder]: For 1042840/1042854 co-relation queries the response was YES. [2021-12-06 18:12:29,671 INFO L84 FinitePrefix]: Finished finitePrefix Result has 142651 conditions, 8228 events. 4313/8228 cut-off events. For 1042840/1042854 co-relation queries the response was YES. Maximal size of possible extension queue 396. Compared 60972 event pairs, 329 based on Foata normal form. 11/8214 useless extension candidates. Maximal degree in co-relation 142320. Up to 4600 conditions per place. [2021-12-06 18:12:29,744 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 663 selfloop transitions, 778 changer transitions 0/1552 dead transitions. [2021-12-06 18:12:29,744 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 601 places, 1552 transitions, 73551 flow [2021-12-06 18:12:29,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 18:12:29,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 18:12:29,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2771 transitions. [2021-12-06 18:12:29,747 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5609311740890688 [2021-12-06 18:12:29,747 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2771 transitions. [2021-12-06 18:12:29,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2771 transitions. [2021-12-06 18:12:29,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:12:29,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2771 transitions. [2021-12-06 18:12:29,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 138.55) internal successors, (2771), 20 states have internal predecessors, (2771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:12:29,751 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:12:29,751 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:12:29,752 INFO L186 Difference]: Start difference. First operand has 582 places, 1423 transitions, 67254 flow. Second operand 20 states and 2771 transitions. [2021-12-06 18:12:29,752 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 601 places, 1552 transitions, 73551 flow [2021-12-06 18:12:34,996 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 590 places, 1552 transitions, 73066 flow, removed 115 selfloop flow, removed 11 redundant places. [2021-12-06 18:12:35,049 INFO L242 Difference]: Finished difference. Result has 596 places, 1476 transitions, 71424 flow [2021-12-06 18:12:35,050 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=66831, PETRI_DIFFERENCE_MINUEND_PLACES=571, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1423, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=731, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=680, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=71424, PETRI_PLACES=596, PETRI_TRANSITIONS=1476} [2021-12-06 18:12:35,050 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 351 predicate places. [2021-12-06 18:12:35,050 INFO L470 AbstractCegarLoop]: Abstraction has has 596 places, 1476 transitions, 71424 flow [2021-12-06 18:12:35,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:12:35,050 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:12:35,051 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:12:35,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-12-06 18:12:35,051 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:12:35,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:12:35,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1592377339, now seen corresponding path program 26 times [2021-12-06 18:12:35,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:12:35,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51831203] [2021-12-06 18:12:35,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:12:35,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:12:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:12:35,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:12:35,506 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:12:35,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51831203] [2021-12-06 18:12:35,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51831203] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:12:35,506 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:12:35,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:12:35,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166430284] [2021-12-06 18:12:35,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:12:35,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:12:35,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:12:35,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:12:35,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:12:35,509 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:12:35,510 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 596 places, 1476 transitions, 71424 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:12:35,510 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:12:35,510 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:12:35,510 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:12:43,518 INFO L129 PetriNetUnfolder]: 4458/8497 cut-off events. [2021-12-06 18:12:43,518 INFO L130 PetriNetUnfolder]: For 1120110/1120124 co-relation queries the response was YES. [2021-12-06 18:12:43,642 INFO L84 FinitePrefix]: Finished finitePrefix Result has 151047 conditions, 8497 events. 4458/8497 cut-off events. For 1120110/1120124 co-relation queries the response was YES. Maximal size of possible extension queue 413. Compared 63416 event pairs, 333 based on Foata normal form. 11/8483 useless extension candidates. Maximal degree in co-relation 150710. Up to 4772 conditions per place. [2021-12-06 18:12:43,720 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 684 selfloop transitions, 794 changer transitions 0/1589 dead transitions. [2021-12-06 18:12:43,720 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 615 places, 1589 transitions, 77342 flow [2021-12-06 18:12:43,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 18:12:43,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 18:12:43,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2774 transitions. [2021-12-06 18:12:43,722 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5615384615384615 [2021-12-06 18:12:43,722 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2774 transitions. [2021-12-06 18:12:43,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2774 transitions. [2021-12-06 18:12:43,723 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:12:43,723 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2774 transitions. [2021-12-06 18:12:43,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 138.7) internal successors, (2774), 20 states have internal predecessors, (2774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:12:43,727 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:12:43,727 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:12:43,727 INFO L186 Difference]: Start difference. First operand has 596 places, 1476 transitions, 71424 flow. Second operand 20 states and 2774 transitions. [2021-12-06 18:12:43,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 615 places, 1589 transitions, 77342 flow [2021-12-06 18:12:49,382 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 603 places, 1589 transitions, 76769 flow, removed 119 selfloop flow, removed 12 redundant places. [2021-12-06 18:12:49,437 INFO L242 Difference]: Finished difference. Result has 610 places, 1516 transitions, 75157 flow [2021-12-06 18:12:49,438 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=70864, PETRI_DIFFERENCE_MINUEND_PLACES=584, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1476, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=758, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=702, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=75157, PETRI_PLACES=610, PETRI_TRANSITIONS=1516} [2021-12-06 18:12:49,438 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 365 predicate places. [2021-12-06 18:12:49,438 INFO L470 AbstractCegarLoop]: Abstraction has has 610 places, 1516 transitions, 75157 flow [2021-12-06 18:12:49,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:12:49,439 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:12:49,439 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:12:49,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-12-06 18:12:49,439 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:12:49,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:12:49,439 INFO L85 PathProgramCache]: Analyzing trace with hash -2009827367, now seen corresponding path program 27 times [2021-12-06 18:12:49,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:12:49,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578714710] [2021-12-06 18:12:49,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:12:49,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:12:49,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:12:49,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:12:49,874 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:12:49,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578714710] [2021-12-06 18:12:49,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578714710] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:12:49,875 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:12:49,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:12:49,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001638842] [2021-12-06 18:12:49,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:12:49,875 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:12:49,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:12:49,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:12:49,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:12:49,877 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:12:49,878 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 610 places, 1516 transitions, 75157 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:12:49,878 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:12:49,878 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:12:49,878 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:12:58,178 INFO L129 PetriNetUnfolder]: 4498/8587 cut-off events. [2021-12-06 18:12:58,178 INFO L130 PetriNetUnfolder]: For 1170879/1170935 co-relation queries the response was YES. [2021-12-06 18:12:58,325 INFO L84 FinitePrefix]: Finished finitePrefix Result has 155795 conditions, 8587 events. 4498/8587 cut-off events. For 1170879/1170935 co-relation queries the response was YES. Maximal size of possible extension queue 416. Compared 64107 event pairs, 686 based on Foata normal form. 8/8562 useless extension candidates. Maximal degree in co-relation 155451. Up to 4912 conditions per place. [2021-12-06 18:12:58,518 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 699 selfloop transitions, 793 changer transitions 0/1603 dead transitions. [2021-12-06 18:12:58,518 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 629 places, 1603 transitions, 79581 flow [2021-12-06 18:12:58,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 18:12:58,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 18:12:58,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2770 transitions. [2021-12-06 18:12:58,521 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5607287449392713 [2021-12-06 18:12:58,521 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2770 transitions. [2021-12-06 18:12:58,521 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2770 transitions. [2021-12-06 18:12:58,521 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:12:58,521 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2770 transitions. [2021-12-06 18:12:58,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 138.5) internal successors, (2770), 20 states have internal predecessors, (2770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:12:58,525 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:12:58,525 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:12:58,525 INFO L186 Difference]: Start difference. First operand has 610 places, 1516 transitions, 75157 flow. Second operand 20 states and 2770 transitions. [2021-12-06 18:12:58,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 629 places, 1603 transitions, 79581 flow [2021-12-06 18:13:04,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 619 places, 1603 transitions, 79054 flow, removed 129 selfloop flow, removed 10 redundant places. [2021-12-06 18:13:04,515 INFO L242 Difference]: Finished difference. Result has 623 places, 1532 transitions, 77960 flow [2021-12-06 18:13:04,516 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=74670, PETRI_DIFFERENCE_MINUEND_PLACES=600, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1516, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=780, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=730, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=77960, PETRI_PLACES=623, PETRI_TRANSITIONS=1532} [2021-12-06 18:13:04,517 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 378 predicate places. [2021-12-06 18:13:04,517 INFO L470 AbstractCegarLoop]: Abstraction has has 623 places, 1532 transitions, 77960 flow [2021-12-06 18:13:04,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:13:04,517 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:13:04,517 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:13:04,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-12-06 18:13:04,517 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:13:04,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:13:04,518 INFO L85 PathProgramCache]: Analyzing trace with hash -2133932673, now seen corresponding path program 28 times [2021-12-06 18:13:04,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:13:04,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694661257] [2021-12-06 18:13:04,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:13:04,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:13:04,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:13:04,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:13:04,904 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:13:04,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694661257] [2021-12-06 18:13:04,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694661257] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:13:04,904 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:13:04,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:13:04,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116556370] [2021-12-06 18:13:04,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:13:04,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:13:04,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:13:04,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:13:04,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:13:04,906 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:13:04,907 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 623 places, 1532 transitions, 77960 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:13:04,907 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:13:04,907 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:13:04,907 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:13:13,207 INFO L129 PetriNetUnfolder]: 4502/8585 cut-off events. [2021-12-06 18:13:13,207 INFO L130 PetriNetUnfolder]: For 1228152/1228166 co-relation queries the response was YES. [2021-12-06 18:13:13,349 INFO L84 FinitePrefix]: Finished finitePrefix Result has 159221 conditions, 8585 events. 4502/8585 cut-off events. For 1228152/1228166 co-relation queries the response was YES. Maximal size of possible extension queue 419. Compared 64238 event pairs, 333 based on Foata normal form. 11/8571 useless extension candidates. Maximal degree in co-relation 158873. Up to 4950 conditions per place. [2021-12-06 18:13:13,428 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 712 selfloop transitions, 800 changer transitions 0/1623 dead transitions. [2021-12-06 18:13:13,428 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 642 places, 1623 transitions, 82745 flow [2021-12-06 18:13:13,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 18:13:13,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 18:13:13,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2775 transitions. [2021-12-06 18:13:13,430 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5617408906882592 [2021-12-06 18:13:13,430 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2775 transitions. [2021-12-06 18:13:13,430 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2775 transitions. [2021-12-06 18:13:13,431 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:13:13,431 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2775 transitions. [2021-12-06 18:13:13,432 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 138.75) internal successors, (2775), 20 states have internal predecessors, (2775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:13:13,434 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:13:13,435 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:13:13,435 INFO L186 Difference]: Start difference. First operand has 623 places, 1532 transitions, 77960 flow. Second operand 20 states and 2775 transitions. [2021-12-06 18:13:13,435 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 642 places, 1623 transitions, 82745 flow [2021-12-06 18:13:19,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 630 places, 1623 transitions, 82019 flow, removed 201 selfloop flow, removed 12 redundant places. [2021-12-06 18:13:19,954 INFO L242 Difference]: Finished difference. Result has 635 places, 1557 transitions, 80464 flow [2021-12-06 18:13:19,956 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=77335, PETRI_DIFFERENCE_MINUEND_PLACES=611, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1532, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=780, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=742, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=80464, PETRI_PLACES=635, PETRI_TRANSITIONS=1557} [2021-12-06 18:13:19,956 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 390 predicate places. [2021-12-06 18:13:19,956 INFO L470 AbstractCegarLoop]: Abstraction has has 635 places, 1557 transitions, 80464 flow [2021-12-06 18:13:19,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:13:19,956 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:13:19,956 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:13:19,956 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-12-06 18:13:19,957 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:13:19,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:13:19,957 INFO L85 PathProgramCache]: Analyzing trace with hash 747870101, now seen corresponding path program 29 times [2021-12-06 18:13:19,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:13:19,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530359843] [2021-12-06 18:13:19,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:13:19,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:13:19,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:13:20,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:13:20,269 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:13:20,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530359843] [2021-12-06 18:13:20,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530359843] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:13:20,269 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:13:20,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:13:20,269 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788037348] [2021-12-06 18:13:20,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:13:20,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:13:20,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:13:20,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:13:20,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:13:20,271 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:13:20,272 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 635 places, 1557 transitions, 80464 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:13:20,272 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:13:20,272 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:13:20,272 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:13:28,613 INFO L129 PetriNetUnfolder]: 4548/8667 cut-off events. [2021-12-06 18:13:28,613 INFO L130 PetriNetUnfolder]: For 1282767/1282781 co-relation queries the response was YES. [2021-12-06 18:13:28,821 INFO L84 FinitePrefix]: Finished finitePrefix Result has 163931 conditions, 8667 events. 4548/8667 cut-off events. For 1282767/1282781 co-relation queries the response was YES. Maximal size of possible extension queue 424. Compared 65063 event pairs, 333 based on Foata normal form. 11/8653 useless extension candidates. Maximal degree in co-relation 163578. Up to 4972 conditions per place. [2021-12-06 18:13:28,901 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 711 selfloop transitions, 819 changer transitions 0/1641 dead transitions. [2021-12-06 18:13:28,902 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 653 places, 1641 transitions, 85199 flow [2021-12-06 18:13:28,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-06 18:13:28,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-12-06 18:13:28,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2631 transitions. [2021-12-06 18:13:28,904 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.560622203281483 [2021-12-06 18:13:28,904 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2631 transitions. [2021-12-06 18:13:28,904 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2631 transitions. [2021-12-06 18:13:28,904 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:13:28,904 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2631 transitions. [2021-12-06 18:13:28,906 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 138.47368421052633) internal successors, (2631), 19 states have internal predecessors, (2631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:13:28,908 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 247.0) internal successors, (4940), 20 states have internal predecessors, (4940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:13:28,908 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 247.0) internal successors, (4940), 20 states have internal predecessors, (4940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:13:28,908 INFO L186 Difference]: Start difference. First operand has 635 places, 1557 transitions, 80464 flow. Second operand 19 states and 2631 transitions. [2021-12-06 18:13:28,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 653 places, 1641 transitions, 85199 flow [2021-12-06 18:13:36,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 641 places, 1641 transitions, 84690 flow, removed 48 selfloop flow, removed 12 redundant places. [2021-12-06 18:13:36,195 INFO L242 Difference]: Finished difference. Result has 646 places, 1576 transitions, 83799 flow [2021-12-06 18:13:36,196 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=79965, PETRI_DIFFERENCE_MINUEND_PLACES=623, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1557, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=800, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=745, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=83799, PETRI_PLACES=646, PETRI_TRANSITIONS=1576} [2021-12-06 18:13:36,197 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 401 predicate places. [2021-12-06 18:13:36,197 INFO L470 AbstractCegarLoop]: Abstraction has has 646 places, 1576 transitions, 83799 flow [2021-12-06 18:13:36,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:13:36,197 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:13:36,197 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:13:36,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-12-06 18:13:36,197 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:13:36,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:13:36,198 INFO L85 PathProgramCache]: Analyzing trace with hash -2087636105, now seen corresponding path program 30 times [2021-12-06 18:13:36,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:13:36,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255294886] [2021-12-06 18:13:36,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:13:36,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:13:36,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:13:36,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:13:36,593 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:13:36,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255294886] [2021-12-06 18:13:36,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255294886] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:13:36,593 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:13:36,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:13:36,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56248534] [2021-12-06 18:13:36,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:13:36,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:13:36,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:13:36,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:13:36,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:13:36,595 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:13:36,596 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 646 places, 1576 transitions, 83799 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:13:36,596 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:13:36,596 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:13:36,597 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:13:45,082 INFO L129 PetriNetUnfolder]: 4552/8713 cut-off events. [2021-12-06 18:13:45,082 INFO L130 PetriNetUnfolder]: For 1343334/1343390 co-relation queries the response was YES. [2021-12-06 18:13:45,227 INFO L84 FinitePrefix]: Finished finitePrefix Result has 167905 conditions, 8713 events. 4552/8713 cut-off events. For 1343334/1343390 co-relation queries the response was YES. Maximal size of possible extension queue 427. Compared 65394 event pairs, 684 based on Foata normal form. 8/8688 useless extension candidates. Maximal degree in co-relation 167547. Up to 4942 conditions per place. [2021-12-06 18:13:45,330 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 716 selfloop transitions, 835 changer transitions 0/1662 dead transitions. [2021-12-06 18:13:45,330 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 665 places, 1662 transitions, 88528 flow [2021-12-06 18:13:45,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 18:13:45,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 18:13:45,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2766 transitions. [2021-12-06 18:13:45,333 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.559919028340081 [2021-12-06 18:13:45,333 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2766 transitions. [2021-12-06 18:13:45,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2766 transitions. [2021-12-06 18:13:45,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:13:45,333 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2766 transitions. [2021-12-06 18:13:45,335 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 138.3) internal successors, (2766), 20 states have internal predecessors, (2766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:13:45,337 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:13:45,337 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:13:45,337 INFO L186 Difference]: Start difference. First operand has 646 places, 1576 transitions, 83799 flow. Second operand 20 states and 2766 transitions. [2021-12-06 18:13:45,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 665 places, 1662 transitions, 88528 flow [2021-12-06 18:13:53,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 653 places, 1662 transitions, 87889 flow, removed 137 selfloop flow, removed 12 redundant places. [2021-12-06 18:13:53,226 INFO L242 Difference]: Finished difference. Result has 657 places, 1596 transitions, 86328 flow [2021-12-06 18:13:53,227 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=83282, PETRI_DIFFERENCE_MINUEND_PLACES=634, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1576, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=818, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=750, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=86328, PETRI_PLACES=657, PETRI_TRANSITIONS=1596} [2021-12-06 18:13:53,227 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 412 predicate places. [2021-12-06 18:13:53,228 INFO L470 AbstractCegarLoop]: Abstraction has has 657 places, 1596 transitions, 86328 flow [2021-12-06 18:13:53,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:13:53,228 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:13:53,228 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:13:53,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-12-06 18:13:53,228 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:13:53,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:13:53,229 INFO L85 PathProgramCache]: Analyzing trace with hash -927414613, now seen corresponding path program 31 times [2021-12-06 18:13:53,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:13:53,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068236251] [2021-12-06 18:13:53,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:13:53,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:13:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:13:53,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:13:53,645 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:13:53,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068236251] [2021-12-06 18:13:53,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068236251] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:13:53,645 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:13:53,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:13:53,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072292339] [2021-12-06 18:13:53,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:13:53,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:13:53,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:13:53,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:13:53,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:13:53,647 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:13:53,648 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 657 places, 1596 transitions, 86328 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:13:53,648 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:13:53,648 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:13:53,648 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:14:02,826 INFO L129 PetriNetUnfolder]: 4598/8777 cut-off events. [2021-12-06 18:14:02,826 INFO L130 PetriNetUnfolder]: For 1409187/1409201 co-relation queries the response was YES. [2021-12-06 18:14:02,984 INFO L84 FinitePrefix]: Finished finitePrefix Result has 172705 conditions, 8777 events. 4598/8777 cut-off events. For 1409187/1409201 co-relation queries the response was YES. Maximal size of possible extension queue 432. Compared 66070 event pairs, 253 based on Foata normal form. 11/8763 useless extension candidates. Maximal degree in co-relation 172343. Up to 5062 conditions per place. [2021-12-06 18:14:03,068 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 739 selfloop transitions, 841 changer transitions 0/1691 dead transitions. [2021-12-06 18:14:03,068 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 676 places, 1691 transitions, 91214 flow [2021-12-06 18:14:03,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 18:14:03,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 18:14:03,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2767 transitions. [2021-12-06 18:14:03,070 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5601214574898785 [2021-12-06 18:14:03,070 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2767 transitions. [2021-12-06 18:14:03,070 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2767 transitions. [2021-12-06 18:14:03,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:14:03,071 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2767 transitions. [2021-12-06 18:14:03,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 138.35) internal successors, (2767), 20 states have internal predecessors, (2767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:14:03,074 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:14:03,075 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:14:03,075 INFO L186 Difference]: Start difference. First operand has 657 places, 1596 transitions, 86328 flow. Second operand 20 states and 2767 transitions. [2021-12-06 18:14:03,075 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 676 places, 1691 transitions, 91214 flow [2021-12-06 18:14:11,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 664 places, 1691 transitions, 90790 flow, removed 36 selfloop flow, removed 12 redundant places. [2021-12-06 18:14:11,686 INFO L242 Difference]: Finished difference. Result has 670 places, 1619 transitions, 89751 flow [2021-12-06 18:14:11,687 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=85910, PETRI_DIFFERENCE_MINUEND_PLACES=645, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1596, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=821, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=764, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=89751, PETRI_PLACES=670, PETRI_TRANSITIONS=1619} [2021-12-06 18:14:11,687 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 425 predicate places. [2021-12-06 18:14:11,687 INFO L470 AbstractCegarLoop]: Abstraction has has 670 places, 1619 transitions, 89751 flow [2021-12-06 18:14:11,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:14:11,688 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:14:11,688 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:14:11,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-12-06 18:14:11,688 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:14:11,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:14:11,688 INFO L85 PathProgramCache]: Analyzing trace with hash 79415413, now seen corresponding path program 32 times [2021-12-06 18:14:11,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:14:11,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819990641] [2021-12-06 18:14:11,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:14:11,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:14:11,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:14:12,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:14:12,211 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:14:12,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819990641] [2021-12-06 18:14:12,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819990641] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:14:12,212 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:14:12,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:14:12,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576757695] [2021-12-06 18:14:12,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:14:12,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:14:12,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:14:12,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:14:12,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:14:12,214 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:14:12,215 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 670 places, 1619 transitions, 89751 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:14:12,215 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:14:12,215 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:14:12,215 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:14:21,529 INFO L129 PetriNetUnfolder]: 4672/8907 cut-off events. [2021-12-06 18:14:21,529 INFO L130 PetriNetUnfolder]: For 1476301/1476315 co-relation queries the response was YES. [2021-12-06 18:14:21,691 INFO L84 FinitePrefix]: Finished finitePrefix Result has 179094 conditions, 8907 events. 4672/8907 cut-off events. For 1476301/1476315 co-relation queries the response was YES. Maximal size of possible extension queue 439. Compared 67151 event pairs, 281 based on Foata normal form. 11/8893 useless extension candidates. Maximal degree in co-relation 178726. Up to 5002 conditions per place. [2021-12-06 18:14:21,777 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 746 selfloop transitions, 865 changer transitions 0/1722 dead transitions. [2021-12-06 18:14:21,777 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 689 places, 1722 transitions, 95354 flow [2021-12-06 18:14:21,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 18:14:21,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 18:14:21,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2768 transitions. [2021-12-06 18:14:21,780 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5603238866396761 [2021-12-06 18:14:21,780 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2768 transitions. [2021-12-06 18:14:21,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2768 transitions. [2021-12-06 18:14:21,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:14:21,780 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2768 transitions. [2021-12-06 18:14:21,782 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 138.4) internal successors, (2768), 20 states have internal predecessors, (2768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:14:21,784 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:14:21,784 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:14:21,784 INFO L186 Difference]: Start difference. First operand has 670 places, 1619 transitions, 89751 flow. Second operand 20 states and 2768 transitions. [2021-12-06 18:14:21,784 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 689 places, 1722 transitions, 95354 flow [2021-12-06 18:14:32,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 680 places, 1722 transitions, 95111 flow, removed 89 selfloop flow, removed 9 redundant places. [2021-12-06 18:14:32,090 INFO L242 Difference]: Finished difference. Result has 686 places, 1650 transitions, 93280 flow [2021-12-06 18:14:32,091 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=89508, PETRI_DIFFERENCE_MINUEND_PLACES=661, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1619, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=837, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=767, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=93280, PETRI_PLACES=686, PETRI_TRANSITIONS=1650} [2021-12-06 18:14:32,092 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 441 predicate places. [2021-12-06 18:14:32,092 INFO L470 AbstractCegarLoop]: Abstraction has has 686 places, 1650 transitions, 93280 flow [2021-12-06 18:14:32,092 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:14:32,092 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:14:32,092 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:14:32,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-12-06 18:14:32,092 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:14:32,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:14:32,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1657019751, now seen corresponding path program 33 times [2021-12-06 18:14:32,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:14:32,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545221060] [2021-12-06 18:14:32,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:14:32,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:14:32,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:14:32,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:14:32,438 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:14:32,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545221060] [2021-12-06 18:14:32,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545221060] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:14:32,438 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:14:32,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:14:32,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652675825] [2021-12-06 18:14:32,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:14:32,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:14:32,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:14:32,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:14:32,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:14:32,440 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:14:32,441 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 686 places, 1650 transitions, 93280 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:14:32,441 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:14:32,441 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:14:32,441 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:14:42,072 INFO L129 PetriNetUnfolder]: 4781/9112 cut-off events. [2021-12-06 18:14:42,072 INFO L130 PetriNetUnfolder]: For 1592489/1592503 co-relation queries the response was YES. [2021-12-06 18:14:42,283 INFO L84 FinitePrefix]: Finished finitePrefix Result has 187964 conditions, 9112 events. 4781/9112 cut-off events. For 1592489/1592503 co-relation queries the response was YES. Maximal size of possible extension queue 452. Compared 69077 event pairs, 293 based on Foata normal form. 11/9098 useless extension candidates. Maximal degree in co-relation 187590. Up to 5292 conditions per place. [2021-12-06 18:14:42,372 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 796 selfloop transitions, 856 changer transitions 0/1763 dead transitions. [2021-12-06 18:14:42,372 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 704 places, 1763 transitions, 100347 flow [2021-12-06 18:14:42,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-06 18:14:42,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-12-06 18:14:42,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2641 transitions. [2021-12-06 18:14:42,374 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.562753036437247 [2021-12-06 18:14:42,374 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2641 transitions. [2021-12-06 18:14:42,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2641 transitions. [2021-12-06 18:14:42,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:14:42,375 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2641 transitions. [2021-12-06 18:14:42,376 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 139.0) internal successors, (2641), 19 states have internal predecessors, (2641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:14:42,378 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 247.0) internal successors, (4940), 20 states have internal predecessors, (4940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:14:42,378 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 247.0) internal successors, (4940), 20 states have internal predecessors, (4940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:14:42,378 INFO L186 Difference]: Start difference. First operand has 686 places, 1650 transitions, 93280 flow. Second operand 19 states and 2641 transitions. [2021-12-06 18:14:42,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 704 places, 1763 transitions, 100347 flow [2021-12-06 18:14:53,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 693 places, 1763 transitions, 99764 flow, removed 120 selfloop flow, removed 11 redundant places. [2021-12-06 18:14:53,155 INFO L242 Difference]: Finished difference. Result has 698 places, 1691 transitions, 98514 flow [2021-12-06 18:14:53,157 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=92743, PETRI_DIFFERENCE_MINUEND_PLACES=675, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1650, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=817, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=819, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=98514, PETRI_PLACES=698, PETRI_TRANSITIONS=1691} [2021-12-06 18:14:53,157 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 453 predicate places. [2021-12-06 18:14:53,157 INFO L470 AbstractCegarLoop]: Abstraction has has 698 places, 1691 transitions, 98514 flow [2021-12-06 18:14:53,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:14:53,157 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:14:53,157 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:14:53,157 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-12-06 18:14:53,157 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:14:53,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:14:53,158 INFO L85 PathProgramCache]: Analyzing trace with hash 849429711, now seen corresponding path program 34 times [2021-12-06 18:14:53,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:14:53,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878077310] [2021-12-06 18:14:53,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:14:53,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:14:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:14:53,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:14:53,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:14:53,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878077310] [2021-12-06 18:14:53,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878077310] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:14:53,564 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:14:53,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:14:53,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329386792] [2021-12-06 18:14:53,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:14:53,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:14:53,564 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:14:53,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:14:53,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:14:53,566 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:14:53,567 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 698 places, 1691 transitions, 98514 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:14:53,567 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:14:53,567 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:14:53,567 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:15:03,718 INFO L129 PetriNetUnfolder]: 4827/9206 cut-off events. [2021-12-06 18:15:03,718 INFO L130 PetriNetUnfolder]: For 1682245/1682259 co-relation queries the response was YES. [2021-12-06 18:15:03,894 INFO L84 FinitePrefix]: Finished finitePrefix Result has 193461 conditions, 9206 events. 4827/9206 cut-off events. For 1682245/1682259 co-relation queries the response was YES. Maximal size of possible extension queue 459. Compared 69964 event pairs, 297 based on Foata normal form. 11/9192 useless extension candidates. Maximal degree in co-relation 193082. Up to 5320 conditions per place. [2021-12-06 18:15:03,984 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 788 selfloop transitions, 884 changer transitions 0/1783 dead transitions. [2021-12-06 18:15:03,985 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 717 places, 1783 transitions, 103942 flow [2021-12-06 18:15:03,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 18:15:03,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 18:15:03,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2769 transitions. [2021-12-06 18:15:03,987 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5605263157894737 [2021-12-06 18:15:03,987 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2769 transitions. [2021-12-06 18:15:03,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2769 transitions. [2021-12-06 18:15:03,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:15:03,988 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2769 transitions. [2021-12-06 18:15:03,989 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 138.45) internal successors, (2769), 20 states have internal predecessors, (2769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:15:03,991 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:15:03,992 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:15:03,992 INFO L186 Difference]: Start difference. First operand has 698 places, 1691 transitions, 98514 flow. Second operand 20 states and 2769 transitions. [2021-12-06 18:15:03,992 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 717 places, 1783 transitions, 103942 flow [2021-12-06 18:15:15,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 706 places, 1783 transitions, 103780 flow, removed 16 selfloop flow, removed 11 redundant places. [2021-12-06 18:15:15,230 INFO L242 Difference]: Finished difference. Result has 712 places, 1717 transitions, 102891 flow [2021-12-06 18:15:15,231 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=98357, PETRI_DIFFERENCE_MINUEND_PLACES=687, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1691, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=863, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=817, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=102891, PETRI_PLACES=712, PETRI_TRANSITIONS=1717} [2021-12-06 18:15:15,231 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 467 predicate places. [2021-12-06 18:15:15,231 INFO L470 AbstractCegarLoop]: Abstraction has has 712 places, 1717 transitions, 102891 flow [2021-12-06 18:15:15,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:15:15,232 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:15:15,232 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:15:15,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-12-06 18:15:15,232 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:15:15,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:15:15,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1891198583, now seen corresponding path program 35 times [2021-12-06 18:15:15,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:15:15,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285900542] [2021-12-06 18:15:15,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:15:15,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:15:15,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:15:15,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:15:15,659 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:15:15,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285900542] [2021-12-06 18:15:15,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285900542] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:15:15,660 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:15:15,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:15:15,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832407399] [2021-12-06 18:15:15,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:15:15,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:15:15,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:15:15,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:15:15,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:15:15,662 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:15:15,663 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 712 places, 1717 transitions, 102891 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:15:15,663 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:15:15,663 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:15:15,663 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:15:26,255 INFO L129 PetriNetUnfolder]: 4825/9204 cut-off events. [2021-12-06 18:15:26,255 INFO L130 PetriNetUnfolder]: For 1791388/1791402 co-relation queries the response was YES. [2021-12-06 18:15:26,429 INFO L84 FinitePrefix]: Finished finitePrefix Result has 197644 conditions, 9204 events. 4825/9204 cut-off events. For 1791388/1791402 co-relation queries the response was YES. Maximal size of possible extension queue 460. Compared 69904 event pairs, 293 based on Foata normal form. 11/9190 useless extension candidates. Maximal degree in co-relation 197259. Up to 5320 conditions per place. [2021-12-06 18:15:26,522 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 809 selfloop transitions, 879 changer transitions 0/1799 dead transitions. [2021-12-06 18:15:26,522 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 731 places, 1799 transitions, 107575 flow [2021-12-06 18:15:26,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 18:15:26,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 18:15:26,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2772 transitions. [2021-12-06 18:15:26,524 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5611336032388664 [2021-12-06 18:15:26,524 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2772 transitions. [2021-12-06 18:15:26,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2772 transitions. [2021-12-06 18:15:26,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:15:26,525 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2772 transitions. [2021-12-06 18:15:26,526 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 138.6) internal successors, (2772), 20 states have internal predecessors, (2772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:15:26,528 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:15:26,529 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:15:26,529 INFO L186 Difference]: Start difference. First operand has 712 places, 1717 transitions, 102891 flow. Second operand 20 states and 2772 transitions. [2021-12-06 18:15:26,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 731 places, 1799 transitions, 107575 flow [2021-12-06 18:15:37,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 719 places, 1799 transitions, 106643 flow, removed 285 selfloop flow, removed 12 redundant places. [2021-12-06 18:15:37,811 INFO L242 Difference]: Finished difference. Result has 722 places, 1732 transitions, 104765 flow [2021-12-06 18:15:37,812 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=102043, PETRI_DIFFERENCE_MINUEND_PLACES=700, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1717, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=867, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=845, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=104765, PETRI_PLACES=722, PETRI_TRANSITIONS=1732} [2021-12-06 18:15:37,813 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 477 predicate places. [2021-12-06 18:15:37,813 INFO L470 AbstractCegarLoop]: Abstraction has has 722 places, 1732 transitions, 104765 flow [2021-12-06 18:15:37,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:15:37,813 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:15:37,813 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:15:37,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-12-06 18:15:37,813 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:15:37,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:15:37,814 INFO L85 PathProgramCache]: Analyzing trace with hash -348813407, now seen corresponding path program 36 times [2021-12-06 18:15:37,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:15:37,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290151271] [2021-12-06 18:15:37,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:15:37,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:15:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:15:38,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:15:38,390 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:15:38,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290151271] [2021-12-06 18:15:38,390 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290151271] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:15:38,390 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:15:38,390 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:15:38,390 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427655642] [2021-12-06 18:15:38,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:15:38,391 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:15:38,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:15:38,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:15:38,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:15:38,392 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:15:38,393 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 722 places, 1732 transitions, 104765 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:15:38,393 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:15:38,393 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:15:38,393 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:15:49,686 INFO L129 PetriNetUnfolder]: 4983/9466 cut-off events. [2021-12-06 18:15:49,686 INFO L130 PetriNetUnfolder]: For 1859048/1859062 co-relation queries the response was YES. [2021-12-06 18:15:49,876 INFO L84 FinitePrefix]: Finished finitePrefix Result has 204905 conditions, 9466 events. 4983/9466 cut-off events. For 1859048/1859062 co-relation queries the response was YES. Maximal size of possible extension queue 473. Compared 71988 event pairs, 688 based on Foata normal form. 8/9444 useless extension candidates. Maximal degree in co-relation 204517. Up to 5109 conditions per place. [2021-12-06 18:15:49,972 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 728 selfloop transitions, 1037 changer transitions 0/1876 dead transitions. [2021-12-06 18:15:49,972 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 741 places, 1876 transitions, 111699 flow [2021-12-06 18:15:49,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 18:15:49,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 18:15:49,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2765 transitions. [2021-12-06 18:15:49,974 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5597165991902834 [2021-12-06 18:15:49,974 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2765 transitions. [2021-12-06 18:15:49,974 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2765 transitions. [2021-12-06 18:15:49,975 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:15:49,975 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2765 transitions. [2021-12-06 18:15:49,976 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 138.25) internal successors, (2765), 20 states have internal predecessors, (2765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:15:49,978 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:15:49,979 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 247.0) internal successors, (5187), 21 states have internal predecessors, (5187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:15:49,979 INFO L186 Difference]: Start difference. First operand has 722 places, 1732 transitions, 104765 flow. Second operand 20 states and 2765 transitions. [2021-12-06 18:15:49,979 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 741 places, 1876 transitions, 111699 flow [2021-12-06 18:16:01,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 729 places, 1876 transitions, 111163 flow, removed 52 selfloop flow, removed 12 redundant places. [2021-12-06 18:16:01,801 INFO L242 Difference]: Finished difference. Result has 738 places, 1801 transitions, 109537 flow [2021-12-06 18:16:01,802 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=104229, PETRI_DIFFERENCE_MINUEND_PLACES=710, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1732, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=972, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=738, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=109537, PETRI_PLACES=738, PETRI_TRANSITIONS=1801} [2021-12-06 18:16:01,802 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 493 predicate places. [2021-12-06 18:16:01,803 INFO L470 AbstractCegarLoop]: Abstraction has has 738 places, 1801 transitions, 109537 flow [2021-12-06 18:16:01,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:16:01,803 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:16:01,803 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:16:01,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-12-06 18:16:01,803 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:16:01,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:16:01,803 INFO L85 PathProgramCache]: Analyzing trace with hash -964588699, now seen corresponding path program 1 times [2021-12-06 18:16:01,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:16:01,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518505377] [2021-12-06 18:16:01,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:16:01,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:16:01,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:16:02,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:16:02,059 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:16:02,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518505377] [2021-12-06 18:16:02,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518505377] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:16:02,059 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:16:02,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:16:02,059 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460081187] [2021-12-06 18:16:02,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:16:02,059 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:16:02,059 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:16:02,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:16:02,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:16:02,061 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:16:02,062 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 738 places, 1801 transitions, 109537 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:16:02,062 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:16:02,062 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:16:02,062 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:16:25,301 INFO L129 PetriNetUnfolder]: 12791/26066 cut-off events. [2021-12-06 18:16:25,301 INFO L130 PetriNetUnfolder]: For 5521953/5526528 co-relation queries the response was YES. [2021-12-06 18:16:26,119 INFO L84 FinitePrefix]: Finished finitePrefix Result has 487718 conditions, 26066 events. 12791/26066 cut-off events. For 5521953/5526528 co-relation queries the response was YES. Maximal size of possible extension queue 1379. Compared 256310 event pairs, 2761 based on Foata normal form. 2968/28857 useless extension candidates. Maximal degree in co-relation 487321. Up to 12440 conditions per place. [2021-12-06 18:16:26,329 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 905 selfloop transitions, 2381 changer transitions 0/3524 dead transitions. [2021-12-06 18:16:26,330 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 765 places, 3524 transitions, 236086 flow [2021-12-06 18:16:26,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-12-06 18:16:26,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-12-06 18:16:26,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 3846 transitions. [2021-12-06 18:16:26,332 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5561017929438982 [2021-12-06 18:16:26,332 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 3846 transitions. [2021-12-06 18:16:26,332 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 3846 transitions. [2021-12-06 18:16:26,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:16:26,333 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 3846 transitions. [2021-12-06 18:16:26,335 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 137.35714285714286) internal successors, (3846), 28 states have internal predecessors, (3846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:16:26,338 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 247.0) internal successors, (7163), 29 states have internal predecessors, (7163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:16:26,338 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 247.0) internal successors, (7163), 29 states have internal predecessors, (7163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:16:26,338 INFO L186 Difference]: Start difference. First operand has 738 places, 1801 transitions, 109537 flow. Second operand 28 states and 3846 transitions. [2021-12-06 18:16:26,338 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 765 places, 3524 transitions, 236086 flow [2021-12-06 18:17:25,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 758 places, 3524 transitions, 234676 flow, removed 251 selfloop flow, removed 7 redundant places. [2021-12-06 18:17:25,637 INFO L242 Difference]: Finished difference. Result has 775 places, 3247 transitions, 221147 flow [2021-12-06 18:17:25,638 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=108688, PETRI_DIFFERENCE_MINUEND_PLACES=731, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1801, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=948, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=831, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=221147, PETRI_PLACES=775, PETRI_TRANSITIONS=3247} [2021-12-06 18:17:25,638 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 530 predicate places. [2021-12-06 18:17:25,638 INFO L470 AbstractCegarLoop]: Abstraction has has 775 places, 3247 transitions, 221147 flow [2021-12-06 18:17:25,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:17:25,639 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:17:25,639 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:17:25,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-12-06 18:17:25,639 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:17:25,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:17:25,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1524811299, now seen corresponding path program 37 times [2021-12-06 18:17:25,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:17:25,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148512451] [2021-12-06 18:17:25,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:17:25,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:17:25,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:17:25,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:17:25,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:17:25,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148512451] [2021-12-06 18:17:25,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148512451] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:17:25,990 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:17:25,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:17:25,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618701826] [2021-12-06 18:17:25,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:17:25,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:17:25,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:17:25,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:17:25,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:17:25,993 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:17:25,994 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 775 places, 3247 transitions, 221147 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:17:25,994 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:17:25,994 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:17:25,994 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:17:56,115 INFO L129 PetriNetUnfolder]: 8635/18154 cut-off events. [2021-12-06 18:17:56,115 INFO L130 PetriNetUnfolder]: For 4029192/4042312 co-relation queries the response was YES. [2021-12-06 18:17:56,657 INFO L84 FinitePrefix]: Finished finitePrefix Result has 379081 conditions, 18154 events. 8635/18154 cut-off events. For 4029192/4042312 co-relation queries the response was YES. Maximal size of possible extension queue 914. Compared 174448 event pairs, 1278 based on Foata normal form. 954/18758 useless extension candidates. Maximal degree in co-relation 378667. Up to 7409 conditions per place. [2021-12-06 18:17:57,029 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 1192 selfloop transitions, 2131 changer transitions 0/3450 dead transitions. [2021-12-06 18:17:57,029 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 792 places, 3450 transitions, 235024 flow [2021-12-06 18:17:57,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-06 18:17:57,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-12-06 18:17:57,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2501 transitions. [2021-12-06 18:17:57,031 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5625281151596941 [2021-12-06 18:17:57,031 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2501 transitions. [2021-12-06 18:17:57,031 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2501 transitions. [2021-12-06 18:17:57,032 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:17:57,032 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2501 transitions. [2021-12-06 18:17:57,034 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 138.94444444444446) internal successors, (2501), 18 states have internal predecessors, (2501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:17:57,036 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 247.0) internal successors, (4693), 19 states have internal predecessors, (4693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:17:57,036 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 247.0) internal successors, (4693), 19 states have internal predecessors, (4693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:17:57,036 INFO L186 Difference]: Start difference. First operand has 775 places, 3247 transitions, 221147 flow. Second operand 18 states and 2501 transitions. [2021-12-06 18:17:57,036 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 792 places, 3450 transitions, 235024 flow [2021-12-06 18:18:36,474 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 787 places, 3450 transitions, 234717 flow, removed 149 selfloop flow, removed 5 redundant places. [2021-12-06 18:18:36,641 INFO L242 Difference]: Finished difference. Result has 794 places, 3361 transitions, 233946 flow [2021-12-06 18:18:36,643 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=220840, PETRI_DIFFERENCE_MINUEND_PLACES=770, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2022, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=233946, PETRI_PLACES=794, PETRI_TRANSITIONS=3361} [2021-12-06 18:18:36,643 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 549 predicate places. [2021-12-06 18:18:36,643 INFO L470 AbstractCegarLoop]: Abstraction has has 794 places, 3361 transitions, 233946 flow [2021-12-06 18:18:36,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:18:36,644 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:18:36,644 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:18:36,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-12-06 18:18:36,644 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:18:36,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:18:36,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1948002869, now seen corresponding path program 2 times [2021-12-06 18:18:36,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:18:36,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038975066] [2021-12-06 18:18:36,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:18:36,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:18:36,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:18:36,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:18:36,963 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:18:36,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038975066] [2021-12-06 18:18:36,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038975066] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:18:36,963 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:18:36,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:18:36,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103227219] [2021-12-06 18:18:36,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:18:36,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:18:36,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:18:36,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:18:36,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:18:36,966 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:18:36,966 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 794 places, 3361 transitions, 233946 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:18:36,967 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:18:36,967 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:18:36,967 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:19:28,949 INFO L129 PetriNetUnfolder]: 15123/30800 cut-off events. [2021-12-06 18:19:28,949 INFO L130 PetriNetUnfolder]: For 8784333/8791921 co-relation queries the response was YES. [2021-12-06 18:19:30,097 INFO L84 FinitePrefix]: Finished finitePrefix Result has 638771 conditions, 30800 events. 15123/30800 cut-off events. For 8784333/8791921 co-relation queries the response was YES. Maximal size of possible extension queue 1862. Compared 316361 event pairs, 1855 based on Foata normal form. 4194/34684 useless extension candidates. Maximal degree in co-relation 638350. Up to 14931 conditions per place. [2021-12-06 18:19:30,399 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 2491 selfloop transitions, 2523 changer transitions 0/5255 dead transitions. [2021-12-06 18:19:30,399 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 810 places, 5255 transitions, 402496 flow [2021-12-06 18:19:30,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-06 18:19:30,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-12-06 18:19:30,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2388 transitions. [2021-12-06 18:19:30,401 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.568706834960705 [2021-12-06 18:19:30,401 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 2388 transitions. [2021-12-06 18:19:30,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 2388 transitions. [2021-12-06 18:19:30,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:19:30,401 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 2388 transitions. [2021-12-06 18:19:30,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 140.47058823529412) internal successors, (2388), 17 states have internal predecessors, (2388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:19:30,404 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 247.0) internal successors, (4446), 18 states have internal predecessors, (4446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:19:30,405 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 247.0) internal successors, (4446), 18 states have internal predecessors, (4446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:19:30,405 INFO L186 Difference]: Start difference. First operand has 794 places, 3361 transitions, 233946 flow. Second operand 17 states and 2388 transitions. [2021-12-06 18:19:30,405 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 810 places, 5255 transitions, 402496 flow [2021-12-06 18:20:53,190 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 802 places, 5255 transitions, 401214 flow, removed 38 selfloop flow, removed 8 redundant places. [2021-12-06 18:20:53,478 INFO L242 Difference]: Finished difference. Result has 811 places, 4833 transitions, 384101 flow [2021-12-06 18:20:53,480 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=233106, PETRI_DIFFERENCE_MINUEND_PLACES=786, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1091, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1708, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=384101, PETRI_PLACES=811, PETRI_TRANSITIONS=4833} [2021-12-06 18:20:53,480 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 566 predicate places. [2021-12-06 18:20:53,481 INFO L470 AbstractCegarLoop]: Abstraction has has 811 places, 4833 transitions, 384101 flow [2021-12-06 18:20:53,481 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:20:53,481 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:20:53,481 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:20:53,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-12-06 18:20:53,481 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:20:53,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:20:53,481 INFO L85 PathProgramCache]: Analyzing trace with hash -853460037, now seen corresponding path program 38 times [2021-12-06 18:20:53,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:20:53,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605305315] [2021-12-06 18:20:53,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:20:53,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:20:53,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:20:53,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:20:53,798 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:20:53,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605305315] [2021-12-06 18:20:53,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605305315] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:20:53,798 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:20:53,798 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:20:53,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123147465] [2021-12-06 18:20:53,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:20:53,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:20:53,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:20:53,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:20:53,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:20:53,801 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:20:53,803 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 811 places, 4833 transitions, 384101 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:20:53,803 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:20:53,803 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:20:53,803 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:21:53,967 INFO L129 PetriNetUnfolder]: 11207/23515 cut-off events. [2021-12-06 18:21:53,967 INFO L130 PetriNetUnfolder]: For 7310793/7377714 co-relation queries the response was YES. [2021-12-06 18:21:54,755 INFO L84 FinitePrefix]: Finished finitePrefix Result has 531403 conditions, 23515 events. 11207/23515 cut-off events. For 7310793/7377714 co-relation queries the response was YES. Maximal size of possible extension queue 1418. Compared 237428 event pairs, 1274 based on Foata normal form. 3625/26579 useless extension candidates. Maximal degree in co-relation 530973. Up to 9880 conditions per place. [2021-12-06 18:21:55,028 INFO L132 encePairwiseOnDemand]: 226/247 looper letters, 1301 selfloop transitions, 3622 changer transitions 0/5057 dead transitions. [2021-12-06 18:21:55,028 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 828 places, 5057 transitions, 405307 flow [2021-12-06 18:21:55,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-06 18:21:55,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-12-06 18:21:55,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2503 transitions. [2021-12-06 18:21:55,030 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5629779577147999 [2021-12-06 18:21:55,030 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2503 transitions. [2021-12-06 18:21:55,030 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2503 transitions. [2021-12-06 18:21:55,031 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:21:55,031 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2503 transitions. [2021-12-06 18:21:55,032 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 139.05555555555554) internal successors, (2503), 18 states have internal predecessors, (2503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:21:55,034 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 247.0) internal successors, (4693), 19 states have internal predecessors, (4693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:21:55,034 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 247.0) internal successors, (4693), 19 states have internal predecessors, (4693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:21:55,034 INFO L186 Difference]: Start difference. First operand has 811 places, 4833 transitions, 384101 flow. Second operand 18 states and 2503 transitions. [2021-12-06 18:21:55,034 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 828 places, 5057 transitions, 405307 flow [2021-12-06 18:22:58,836 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 821 places, 5057 transitions, 405185 flow, removed 52 selfloop flow, removed 7 redundant places. [2021-12-06 18:22:59,139 INFO L242 Difference]: Finished difference. Result has 827 places, 4973 transitions, 405210 flow [2021-12-06 18:22:59,143 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=383979, PETRI_DIFFERENCE_MINUEND_PLACES=804, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4833, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3491, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=405210, PETRI_PLACES=827, PETRI_TRANSITIONS=4973} [2021-12-06 18:22:59,143 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 582 predicate places. [2021-12-06 18:22:59,143 INFO L470 AbstractCegarLoop]: Abstraction has has 827 places, 4973 transitions, 405210 flow [2021-12-06 18:22:59,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:22:59,143 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:22:59,143 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:22:59,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-12-06 18:22:59,144 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:22:59,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:22:59,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1407304323, now seen corresponding path program 3 times [2021-12-06 18:22:59,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:22:59,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831156293] [2021-12-06 18:22:59,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:22:59,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:22:59,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:22:59,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:22:59,622 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:22:59,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831156293] [2021-12-06 18:22:59,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831156293] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:22:59,623 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:22:59,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 18:22:59,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169255370] [2021-12-06 18:22:59,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:22:59,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:22:59,623 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:22:59,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:22:59,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:22:59,625 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 18:22:59,626 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 827 places, 4973 transitions, 405210 flow. Second operand has 18 states, 18 states have (on average 129.11111111111111) internal successors, (2324), 18 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:22:59,626 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:22:59,626 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 18:22:59,626 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand