./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-2_3-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_2f0fdfb1-5610-4736-86c1-94aa20fa1ef9/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0fdfb1-5610-4736-86c1-94aa20fa1ef9/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_2f0fdfb1-5610-4736-86c1-94aa20fa1ef9/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0fdfb1-5610-4736-86c1-94aa20fa1ef9/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_3-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0fdfb1-5610-4736-86c1-94aa20fa1ef9/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_2f0fdfb1-5610-4736-86c1-94aa20fa1ef9/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 a7e4b13d10edb91f551b46ac7114aaff2ae2d5e1278c432e05cda4c2eb58cb60 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 22:28:47,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 22:28:47,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 22:28:47,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 22:28:47,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 22:28:47,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 22:28:47,595 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 22:28:47,598 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 22:28:47,600 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 22:28:47,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 22:28:47,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 22:28:47,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 22:28:47,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 22:28:47,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 22:28:47,606 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 22:28:47,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 22:28:47,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 22:28:47,610 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 22:28:47,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 22:28:47,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 22:28:47,616 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 22:28:47,617 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 22:28:47,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 22:28:47,619 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 22:28:47,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 22:28:47,623 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 22:28:47,623 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 22:28:47,624 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 22:28:47,625 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 22:28:47,626 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 22:28:47,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 22:28:47,627 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 22:28:47,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 22:28:47,629 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 22:28:47,629 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 22:28:47,630 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 22:28:47,630 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 22:28:47,630 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 22:28:47,631 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 22:28:47,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 22:28:47,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 22:28:47,633 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0fdfb1-5610-4736-86c1-94aa20fa1ef9/bin/uautomizer-DrprNOufMa/config/svcomp-DataRace-32bit-Automizer_Default.epf [2021-12-06 22:28:47,655 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 22:28:47,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 22:28:47,656 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 22:28:47,656 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 22:28:47,657 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 22:28:47,657 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 22:28:47,657 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 22:28:47,657 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 22:28:47,657 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 22:28:47,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 22:28:47,658 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 22:28:47,658 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 22:28:47,658 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 22:28:47,658 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 22:28:47,658 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 22:28:47,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 22:28:47,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 22:28:47,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 22:28:47,658 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-12-06 22:28:47,659 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 22:28:47,659 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 22:28:47,659 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 22:28:47,659 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 22:28:47,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 22:28:47,659 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 22:28:47,659 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 22:28:47,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:28:47,659 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 22:28:47,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 22:28:47,660 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 22:28:47,660 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 22:28:47,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 22:28:47,660 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 22:28:47,660 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 22:28:47,660 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 22:28:47,660 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 22:28:47,660 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_2f0fdfb1-5610-4736-86c1-94aa20fa1ef9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0fdfb1-5610-4736-86c1-94aa20fa1ef9/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7e4b13d10edb91f551b46ac7114aaff2ae2d5e1278c432e05cda4c2eb58cb60 [2021-12-06 22:28:47,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 22:28:47,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 22:28:47,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 22:28:47,854 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 22:28:47,855 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 22:28:47,856 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0fdfb1-5610-4736-86c1-94aa20fa1ef9/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2021-12-06 22:28:47,898 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0fdfb1-5610-4736-86c1-94aa20fa1ef9/bin/uautomizer-DrprNOufMa/data/252cc338e/818266759af247b29781c3e30fc6fcd0/FLAGe56d21aca [2021-12-06 22:28:48,398 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 22:28:48,399 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0fdfb1-5610-4736-86c1-94aa20fa1ef9/sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2021-12-06 22:28:48,419 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0fdfb1-5610-4736-86c1-94aa20fa1ef9/bin/uautomizer-DrprNOufMa/data/252cc338e/818266759af247b29781c3e30fc6fcd0/FLAGe56d21aca [2021-12-06 22:28:48,932 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0fdfb1-5610-4736-86c1-94aa20fa1ef9/bin/uautomizer-DrprNOufMa/data/252cc338e/818266759af247b29781c3e30fc6fcd0 [2021-12-06 22:28:48,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 22:28:48,936 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 22:28:48,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 22:28:48,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 22:28:48,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 22:28:48,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:28:48" (1/1) ... [2021-12-06 22:28:48,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fcc9dd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:28:48, skipping insertion in model container [2021-12-06 22:28:48,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:28:48" (1/1) ... [2021-12-06 22:28:48,948 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 22:28:48,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:28:49,093 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-12-06 22:28:49,401 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_2f0fdfb1-5610-4736-86c1-94aa20fa1ef9/sv-benchmarks/c/ldv-races/race-2_3-container_of.i[75002,75015] [2021-12-06 22:28:49,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:28:49,444 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 22:28:49,452 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-12-06 22:28:49,476 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_2f0fdfb1-5610-4736-86c1-94aa20fa1ef9/sv-benchmarks/c/ldv-races/race-2_3-container_of.i[75002,75015] [2021-12-06 22:28:49,492 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:28:49,573 INFO L208 MainTranslator]: Completed translation [2021-12-06 22:28:49,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:28:49 WrapperNode [2021-12-06 22:28:49,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 22:28:49,574 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 22:28:49,574 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 22:28:49,574 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 22:28:49,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:28:49" (1/1) ... [2021-12-06 22:28:49,606 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:28:49" (1/1) ... [2021-12-06 22:28:49,634 INFO L137 Inliner]: procedures = 469, calls = 63, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 225 [2021-12-06 22:28:49,634 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 22:28:49,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 22:28:49,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 22:28:49,635 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 22:28:49,642 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:28:49" (1/1) ... [2021-12-06 22:28:49,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:28:49" (1/1) ... [2021-12-06 22:28:49,651 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:28:49" (1/1) ... [2021-12-06 22:28:49,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:28:49" (1/1) ... [2021-12-06 22:28:49,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:28:49" (1/1) ... [2021-12-06 22:28:49,682 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:28:49" (1/1) ... [2021-12-06 22:28:49,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:28:49" (1/1) ... [2021-12-06 22:28:49,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 22:28:49,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 22:28:49,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 22:28:49,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 22:28:49,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:28:49" (1/1) ... [2021-12-06 22:28:49,702 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:28:49,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0fdfb1-5610-4736-86c1-94aa20fa1ef9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:28:49,719 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0fdfb1-5610-4736-86c1-94aa20fa1ef9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 22:28:49,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0fdfb1-5610-4736-86c1-94aa20fa1ef9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 22:28:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-06 22:28:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 22:28:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-06 22:28:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 22:28:49,755 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-06 22:28:49,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 22:28:49,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 22:28:49,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 22:28:49,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 22:28:49,755 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-12-06 22:28:49,755 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-12-06 22:28:49,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 22:28:49,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 22:28:49,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 22:28:49,757 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 22:28:49,927 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 22:28:49,928 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 22:28:50,189 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 22:28:50,269 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 22:28:50,269 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-06 22:28:50,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:28:50 BoogieIcfgContainer [2021-12-06 22:28:50,271 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 22:28:50,272 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 22:28:50,272 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 22:28:50,275 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 22:28:50,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 10:28:48" (1/3) ... [2021-12-06 22:28:50,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cd86950 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:28:50, skipping insertion in model container [2021-12-06 22:28:50,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:28:49" (2/3) ... [2021-12-06 22:28:50,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cd86950 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:28:50, skipping insertion in model container [2021-12-06 22:28:50,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:28:50" (3/3) ... [2021-12-06 22:28:50,277 INFO L111 eAbstractionObserver]: Analyzing ICFG race-2_3-container_of.i [2021-12-06 22:28:50,281 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-06 22:28:50,281 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 22:28:50,281 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2021-12-06 22:28:50,281 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-06 22:28:50,307 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,307 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,307 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,307 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,307 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,307 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,307 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,307 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,308 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,308 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,308 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,308 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,308 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,308 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,308 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,308 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,308 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,309 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,309 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,309 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,309 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,309 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,309 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,309 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,309 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,309 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,309 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,310 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,310 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,310 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,310 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,310 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,310 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,310 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,310 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,310 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,311 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,311 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,311 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,311 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,311 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,311 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,311 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,311 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,311 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,312 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,312 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,312 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,312 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,312 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,312 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,312 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,312 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,313 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,313 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,313 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,313 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,313 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,313 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,313 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,314 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,314 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,314 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,314 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,314 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,314 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,314 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,314 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,314 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,315 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,315 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,315 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,315 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,315 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,315 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,315 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,316 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,316 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,316 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,316 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,316 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,316 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,316 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,316 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,317 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,317 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,317 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,317 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,317 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,317 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,317 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,317 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,318 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,318 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,318 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,318 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,318 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,318 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,318 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,319 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,319 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,319 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,319 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,319 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,319 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,319 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,319 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,319 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,319 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,320 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,320 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,320 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,320 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,320 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,320 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,320 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,320 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,320 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,320 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,321 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,321 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,321 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,321 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,321 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,321 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,321 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,321 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,321 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,322 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,322 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,322 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,322 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,322 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,322 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,322 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,322 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,322 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,322 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,323 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,323 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,323 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,323 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,323 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,323 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,323 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,323 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,324 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,324 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,324 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,324 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,324 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,324 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,324 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,324 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,325 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,325 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,325 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,325 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,325 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,325 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,325 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,325 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,325 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,326 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,326 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,326 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,326 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,326 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,326 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,326 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,326 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,327 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,327 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,327 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,327 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,327 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,327 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,327 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,327 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,327 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,328 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,328 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,328 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,328 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,328 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,328 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,328 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,328 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,331 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,331 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,331 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,331 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,331 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,331 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,332 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,332 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,332 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,332 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,332 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,332 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,332 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,332 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,332 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,333 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,334 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,334 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,334 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,334 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,334 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,334 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,334 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,334 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,334 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,335 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,335 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,335 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,335 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,335 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:28:50,336 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-12-06 22:28:50,371 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 22:28:50,376 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 22:28:50,377 INFO L340 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2021-12-06 22:28:50,388 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 247 places, 247 transitions, 510 flow [2021-12-06 22:28:50,477 INFO L129 PetriNetUnfolder]: 8/324 cut-off events. [2021-12-06 22:28:50,477 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-12-06 22:28:50,482 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 604 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 22:28:50,482 INFO L82 GeneralOperation]: Start removeDead. Operand has 247 places, 247 transitions, 510 flow [2021-12-06 22:28:50,490 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 245 places, 244 transitions, 500 flow [2021-12-06 22:28:50,497 INFO L129 PetriNetUnfolder]: 0/43 cut-off events. [2021-12-06 22:28:50,498 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 22:28:50,498 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:28:50,498 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 22:28:50,499 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:28:50,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:28:50,504 INFO L85 PathProgramCache]: Analyzing trace with hash -413904667, now seen corresponding path program 1 times [2021-12-06 22:28:50,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:28:50,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486169750] [2021-12-06 22:28:50,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:28:50,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:28:50,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:50,842 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 22:28:50,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:28:50,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486169750] [2021-12-06 22:28:50,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486169750] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:28:50,843 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:28:50,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:28:50,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805092873] [2021-12-06 22:28:50,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:28:50,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:28:50,851 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:28:50,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:28:50,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:28:50,874 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 247 [2021-12-06 22:28:50,878 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 22:28:50,878 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:28:50,878 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 247 [2021-12-06 22:28:50,879 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:28:51,497 INFO L129 PetriNetUnfolder]: 850/2466 cut-off events. [2021-12-06 22:28:51,497 INFO L130 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2021-12-06 22:28:51,505 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3988 conditions, 2466 events. 850/2466 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 16877 event pairs, 849 based on Foata normal form. 36/2321 useless extension candidates. Maximal degree in co-relation 3625. Up to 1499 conditions per place. [2021-12-06 22:28:51,517 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 75 selfloop transitions, 5 changer transitions 17/225 dead transitions. [2021-12-06 22:28:51,517 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 225 transitions, 624 flow [2021-12-06 22:28:51,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:28:51,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 22:28:51,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 978 transitions. [2021-12-06 22:28:51,535 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.659919028340081 [2021-12-06 22:28:51,535 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 978 transitions. [2021-12-06 22:28:51,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 978 transitions. [2021-12-06 22:28:51,539 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:28:51,541 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 978 transitions. [2021-12-06 22:28:51,546 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 22:28:51,555 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 22:28:51,557 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 22:28:51,558 INFO L186 Difference]: Start difference. First operand has 245 places, 244 transitions, 500 flow. Second operand 6 states and 978 transitions. [2021-12-06 22:28:51,559 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 225 transitions, 624 flow [2021-12-06 22:28:51,564 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 22:28:51,569 INFO L242 Difference]: Finished difference. Result has 231 places, 208 transitions, 430 flow [2021-12-06 22:28:51,570 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 22:28:51,574 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, -14 predicate places. [2021-12-06 22:28:51,574 INFO L470 AbstractCegarLoop]: Abstraction has has 231 places, 208 transitions, 430 flow [2021-12-06 22:28:51,575 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 22:28:51,575 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:28:51,575 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 22:28:51,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 22:28:51,575 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:28:51,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:28:51,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1022033083, now seen corresponding path program 1 times [2021-12-06 22:28:51,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:28:51,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456476040] [2021-12-06 22:28:51,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:28:51,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:28:51,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:51,764 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 22:28:51,764 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:28:51,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456476040] [2021-12-06 22:28:51,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456476040] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:28:51,765 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:28:51,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:28:51,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608153986] [2021-12-06 22:28:51,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:28:51,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:28:51,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:28:51,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:28:51,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:28:51,770 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 247 [2021-12-06 22:28:51,772 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 22:28:51,772 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:28:51,772 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 247 [2021-12-06 22:28:51,772 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:28:52,251 INFO L129 PetriNetUnfolder]: 826/2184 cut-off events. [2021-12-06 22:28:52,252 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-12-06 22:28:52,255 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3658 conditions, 2184 events. 826/2184 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 14635 event pairs, 825 based on Foata normal form. 0/2040 useless extension candidates. Maximal degree in co-relation 3596. Up to 1457 conditions per place. [2021-12-06 22:28:52,264 INFO L132 encePairwiseOnDemand]: 241/247 looper letters, 74 selfloop transitions, 5 changer transitions 0/207 dead transitions. [2021-12-06 22:28:52,265 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 207 transitions, 586 flow [2021-12-06 22:28:52,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:28:52,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 22:28:52,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 962 transitions. [2021-12-06 22:28:52,268 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6491228070175439 [2021-12-06 22:28:52,268 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 962 transitions. [2021-12-06 22:28:52,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 962 transitions. [2021-12-06 22:28:52,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:28:52,268 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 962 transitions. [2021-12-06 22:28:52,271 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 22:28:52,274 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 22:28:52,275 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 22:28:52,275 INFO L186 Difference]: Start difference. First operand has 231 places, 208 transitions, 430 flow. Second operand 6 states and 962 transitions. [2021-12-06 22:28:52,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 207 transitions, 586 flow [2021-12-06 22:28:52,277 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 22:28:52,281 INFO L242 Difference]: Finished difference. Result has 213 places, 207 transitions, 428 flow [2021-12-06 22:28:52,281 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 22:28:52,282 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, -32 predicate places. [2021-12-06 22:28:52,282 INFO L470 AbstractCegarLoop]: Abstraction has has 213 places, 207 transitions, 428 flow [2021-12-06 22:28:52,283 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 22:28:52,284 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:28:52,284 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 22:28:52,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 22:28:52,284 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:28:52,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:28:52,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1828756419, now seen corresponding path program 1 times [2021-12-06 22:28:52,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:28:52,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289198311] [2021-12-06 22:28:52,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:28:52,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:28:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:52,434 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 22:28:52,434 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:28:52,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289198311] [2021-12-06 22:28:52,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289198311] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:28:52,435 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:28:52,435 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:28:52,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7205190] [2021-12-06 22:28:52,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:28:52,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:28:52,436 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:28:52,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:28:52,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:28:52,438 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 247 [2021-12-06 22:28:52,439 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 22:28:52,439 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:28:52,439 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 247 [2021-12-06 22:28:52,439 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:28:53,162 INFO L129 PetriNetUnfolder]: 1102/2636 cut-off events. [2021-12-06 22:28:53,162 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-12-06 22:28:53,167 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4575 conditions, 2636 events. 1102/2636 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 17700 event pairs, 903 based on Foata normal form. 0/2494 useless extension candidates. Maximal degree in co-relation 4502. Up to 1827 conditions per place. [2021-12-06 22:28:53,185 INFO L132 encePairwiseOnDemand]: 234/247 looper letters, 82 selfloop transitions, 30 changer transitions 0/236 dead transitions. [2021-12-06 22:28:53,185 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 236 transitions, 710 flow [2021-12-06 22:28:53,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:28:53,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 22:28:53,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 959 transitions. [2021-12-06 22:28:53,189 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6470985155195681 [2021-12-06 22:28:53,190 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 959 transitions. [2021-12-06 22:28:53,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 959 transitions. [2021-12-06 22:28:53,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:28:53,191 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 959 transitions. [2021-12-06 22:28:53,194 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 22:28:53,198 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 22:28:53,199 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 22:28:53,199 INFO L186 Difference]: Start difference. First operand has 213 places, 207 transitions, 428 flow. Second operand 6 states and 959 transitions. [2021-12-06 22:28:53,199 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 236 transitions, 710 flow [2021-12-06 22:28:53,202 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 22:28:53,206 INFO L242 Difference]: Finished difference. Result has 218 places, 236 transitions, 620 flow [2021-12-06 22:28:53,207 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 22:28:53,208 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, -27 predicate places. [2021-12-06 22:28:53,208 INFO L470 AbstractCegarLoop]: Abstraction has has 218 places, 236 transitions, 620 flow [2021-12-06 22:28:53,209 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 22:28:53,209 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:28:53,209 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 22:28:53,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 22:28:53,209 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:28:53,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:28:53,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1585514794, now seen corresponding path program 1 times [2021-12-06 22:28:53,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:28:53,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370660290] [2021-12-06 22:28:53,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:28:53,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:28:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:53,307 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 22:28:53,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:28:53,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370660290] [2021-12-06 22:28:53,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370660290] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:28:53,308 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:28:53,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:28:53,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018416946] [2021-12-06 22:28:53,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:28:53,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 22:28:53,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:28:53,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 22:28:53,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:28:53,311 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 247 [2021-12-06 22:28:53,313 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 22:28:53,313 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:28:53,313 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 247 [2021-12-06 22:28:53,313 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:28:53,639 INFO L129 PetriNetUnfolder]: 533/2107 cut-off events. [2021-12-06 22:28:53,639 INFO L130 PetriNetUnfolder]: For 558/633 co-relation queries the response was YES. [2021-12-06 22:28:53,643 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3833 conditions, 2107 events. 533/2107 cut-off events. For 558/633 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 14686 event pairs, 348 based on Foata normal form. 0/1993 useless extension candidates. Maximal degree in co-relation 2611. Up to 738 conditions per place. [2021-12-06 22:28:53,652 INFO L132 encePairwiseOnDemand]: 242/247 looper letters, 50 selfloop transitions, 4 changer transitions 0/241 dead transitions. [2021-12-06 22:28:53,652 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 241 transitions, 738 flow [2021-12-06 22:28:53,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:28:53,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 22:28:53,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1255 transitions. [2021-12-06 22:28:53,656 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8468286099865048 [2021-12-06 22:28:53,656 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1255 transitions. [2021-12-06 22:28:53,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1255 transitions. [2021-12-06 22:28:53,657 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:28:53,657 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1255 transitions. [2021-12-06 22:28:53,659 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 22:28:53,662 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 22:28:53,662 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 22:28:53,662 INFO L186 Difference]: Start difference. First operand has 218 places, 236 transitions, 620 flow. Second operand 6 states and 1255 transitions. [2021-12-06 22:28:53,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 241 transitions, 738 flow [2021-12-06 22:28:53,666 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 22:28:53,669 INFO L242 Difference]: Finished difference. Result has 227 places, 239 transitions, 649 flow [2021-12-06 22:28:53,670 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 22:28:53,670 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, -18 predicate places. [2021-12-06 22:28:53,670 INFO L470 AbstractCegarLoop]: Abstraction has has 227 places, 239 transitions, 649 flow [2021-12-06 22:28:53,671 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 22:28:53,671 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:28:53,671 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 22:28:53,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 22:28:53,671 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:28:53,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:28:53,672 INFO L85 PathProgramCache]: Analyzing trace with hash 523906389, now seen corresponding path program 1 times [2021-12-06 22:28:53,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:28:53,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798027908] [2021-12-06 22:28:53,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:28:53,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:28:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:53,767 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 22:28:53,768 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:28:53,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798027908] [2021-12-06 22:28:53,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798027908] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:28:53,768 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:28:53,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:28:53,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703904807] [2021-12-06 22:28:53,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:28:53,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:28:53,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:28:53,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:28:53,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:28:53,771 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 247 [2021-12-06 22:28:53,772 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 22:28:53,772 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:28:53,772 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 247 [2021-12-06 22:28:53,772 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:28:54,476 INFO L129 PetriNetUnfolder]: 1233/2882 cut-off events. [2021-12-06 22:28:54,476 INFO L130 PetriNetUnfolder]: For 916/986 co-relation queries the response was YES. [2021-12-06 22:28:54,482 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6745 conditions, 2882 events. 1233/2882 cut-off events. For 916/986 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 18817 event pairs, 837 based on Foata normal form. 0/2765 useless extension candidates. Maximal degree in co-relation 6642. Up to 2032 conditions per place. [2021-12-06 22:28:54,497 INFO L132 encePairwiseOnDemand]: 234/247 looper letters, 110 selfloop transitions, 30 changer transitions 0/268 dead transitions. [2021-12-06 22:28:54,497 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 268 transitions, 1035 flow [2021-12-06 22:28:54,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:28:54,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 22:28:54,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 959 transitions. [2021-12-06 22:28:54,501 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6470985155195681 [2021-12-06 22:28:54,501 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 959 transitions. [2021-12-06 22:28:54,501 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 959 transitions. [2021-12-06 22:28:54,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:28:54,502 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 959 transitions. [2021-12-06 22:28:54,504 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 22:28:54,506 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 22:28:54,507 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 22:28:54,507 INFO L186 Difference]: Start difference. First operand has 227 places, 239 transitions, 649 flow. Second operand 6 states and 959 transitions. [2021-12-06 22:28:54,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 268 transitions, 1035 flow [2021-12-06 22:28:54,511 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 22:28:54,514 INFO L242 Difference]: Finished difference. Result has 236 places, 268 transitions, 898 flow [2021-12-06 22:28:54,515 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 22:28:54,515 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, -9 predicate places. [2021-12-06 22:28:54,516 INFO L470 AbstractCegarLoop]: Abstraction has has 236 places, 268 transitions, 898 flow [2021-12-06 22:28:54,516 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 22:28:54,516 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:28:54,516 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 22:28:54,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 22:28:54,517 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:28:54,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:28:54,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1879858362, now seen corresponding path program 1 times [2021-12-06 22:28:54,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:28:54,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89556529] [2021-12-06 22:28:54,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:28:54,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:28:54,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:54,622 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 22:28:54,622 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:28:54,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89556529] [2021-12-06 22:28:54,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89556529] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:28:54,622 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:28:54,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:28:54,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639401031] [2021-12-06 22:28:54,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:28:54,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:28:54,623 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:28:54,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:28:54,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:28:54,625 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 247 [2021-12-06 22:28:54,626 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 268 transitions, 898 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 22:28:54,626 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:28:54,626 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 247 [2021-12-06 22:28:54,626 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:28:55,401 INFO L129 PetriNetUnfolder]: 1434/3389 cut-off events. [2021-12-06 22:28:55,401 INFO L130 PetriNetUnfolder]: For 2456/2596 co-relation queries the response was YES. [2021-12-06 22:28:55,408 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9550 conditions, 3389 events. 1434/3389 cut-off events. For 2456/2596 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 22270 event pairs, 638 based on Foata normal form. 0/3291 useless extension candidates. Maximal degree in co-relation 8182. Up to 2134 conditions per place. [2021-12-06 22:28:55,422 INFO L132 encePairwiseOnDemand]: 231/247 looper letters, 146 selfloop transitions, 26 changer transitions 0/303 dead transitions. [2021-12-06 22:28:55,423 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 303 transitions, 1412 flow [2021-12-06 22:28:55,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:28:55,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 22:28:55,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 976 transitions. [2021-12-06 22:28:55,426 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6585695006747638 [2021-12-06 22:28:55,427 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 976 transitions. [2021-12-06 22:28:55,427 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 976 transitions. [2021-12-06 22:28:55,427 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:28:55,428 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 976 transitions. [2021-12-06 22:28:55,430 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 22:28:55,433 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 22:28:55,434 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 22:28:55,434 INFO L186 Difference]: Start difference. First operand has 236 places, 268 transitions, 898 flow. Second operand 6 states and 976 transitions. [2021-12-06 22:28:55,434 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 303 transitions, 1412 flow [2021-12-06 22:28:55,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 303 transitions, 1364 flow, removed 24 selfloop flow, removed 0 redundant places. [2021-12-06 22:28:55,449 INFO L242 Difference]: Finished difference. Result has 245 places, 288 transitions, 1082 flow [2021-12-06 22:28:55,450 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=848, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1082, PETRI_PLACES=245, PETRI_TRANSITIONS=288} [2021-12-06 22:28:55,451 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 0 predicate places. [2021-12-06 22:28:55,451 INFO L470 AbstractCegarLoop]: Abstraction has has 245 places, 288 transitions, 1082 flow [2021-12-06 22:28:55,451 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 22:28:55,451 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:28:55,452 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] [2021-12-06 22:28:55,452 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 22:28:55,452 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:28:55,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:28:55,452 INFO L85 PathProgramCache]: Analyzing trace with hash 148556689, now seen corresponding path program 1 times [2021-12-06 22:28:55,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:28:55,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704856395] [2021-12-06 22:28:55,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:28:55,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:28:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:55,582 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 22:28:55,583 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:28:55,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704856395] [2021-12-06 22:28:55,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704856395] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:28:55,583 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:28:55,583 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:28:55,583 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013257881] [2021-12-06 22:28:55,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:28:55,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:28:55,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:28:55,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:28:55,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:28:55,586 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 247 [2021-12-06 22:28:55,586 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 288 transitions, 1082 flow. Second operand has 6 states, 6 states have (on average 155.16666666666666) internal successors, (931), 6 states have internal predecessors, (931), 0 states have call successors, (0), 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 22:28:55,587 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:28:55,587 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 247 [2021-12-06 22:28:55,587 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:28:56,379 INFO L129 PetriNetUnfolder]: 1431/3536 cut-off events. [2021-12-06 22:28:56,379 INFO L130 PetriNetUnfolder]: For 3996/4210 co-relation queries the response was YES. [2021-12-06 22:28:56,388 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10881 conditions, 3536 events. 1431/3536 cut-off events. For 3996/4210 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 23717 event pairs, 606 based on Foata normal form. 0/3439 useless extension candidates. Maximal degree in co-relation 8439. Up to 2288 conditions per place. [2021-12-06 22:28:56,403 INFO L132 encePairwiseOnDemand]: 236/247 looper letters, 177 selfloop transitions, 22 changer transitions 0/336 dead transitions. [2021-12-06 22:28:56,403 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 336 transitions, 1730 flow [2021-12-06 22:28:56,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:28:56,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 22:28:56,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1029 transitions. [2021-12-06 22:28:56,406 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.694331983805668 [2021-12-06 22:28:56,406 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1029 transitions. [2021-12-06 22:28:56,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1029 transitions. [2021-12-06 22:28:56,407 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:28:56,407 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1029 transitions. [2021-12-06 22:28:56,409 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 171.5) internal successors, (1029), 6 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 22:28:56,412 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 22:28:56,412 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 22:28:56,412 INFO L186 Difference]: Start difference. First operand has 245 places, 288 transitions, 1082 flow. Second operand 6 states and 1029 transitions. [2021-12-06 22:28:56,412 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 336 transitions, 1730 flow [2021-12-06 22:28:56,419 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 336 transitions, 1730 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-06 22:28:56,424 INFO L242 Difference]: Finished difference. Result has 255 places, 309 transitions, 1336 flow [2021-12-06 22:28:56,424 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=1082, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1336, PETRI_PLACES=255, PETRI_TRANSITIONS=309} [2021-12-06 22:28:56,425 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 10 predicate places. [2021-12-06 22:28:56,425 INFO L470 AbstractCegarLoop]: Abstraction has has 255 places, 309 transitions, 1336 flow [2021-12-06 22:28:56,425 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 155.16666666666666) internal successors, (931), 6 states have internal predecessors, (931), 0 states have call successors, (0), 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 22:28:56,425 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:28:56,426 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, 1, 1] [2021-12-06 22:28:56,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 22:28:56,426 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:28:56,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:28:56,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1768853339, now seen corresponding path program 1 times [2021-12-06 22:28:56,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:28:56,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525976425] [2021-12-06 22:28:56,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:28:56,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:28:56,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:56,504 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 22:28:56,504 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:28:56,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525976425] [2021-12-06 22:28:56,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525976425] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:28:56,504 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:28:56,504 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:28:56,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123814093] [2021-12-06 22:28:56,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:28:56,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 22:28:56,505 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:28:56,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 22:28:56,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:28:56,506 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 247 [2021-12-06 22:28:56,507 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 309 transitions, 1336 flow. Second operand has 5 states, 5 states have (on average 207.2) internal successors, (1036), 5 states have internal predecessors, (1036), 0 states have call successors, (0), 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 22:28:56,508 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:28:56,508 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 247 [2021-12-06 22:28:56,508 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:28:56,822 INFO L129 PetriNetUnfolder]: 396/1346 cut-off events. [2021-12-06 22:28:56,822 INFO L130 PetriNetUnfolder]: For 2879/3119 co-relation queries the response was YES. [2021-12-06 22:28:56,826 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3961 conditions, 1346 events. 396/1346 cut-off events. For 2879/3119 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 7674 event pairs, 111 based on Foata normal form. 16/1330 useless extension candidates. Maximal degree in co-relation 3861. Up to 440 conditions per place. [2021-12-06 22:28:56,831 INFO L132 encePairwiseOnDemand]: 242/247 looper letters, 65 selfloop transitions, 4 changer transitions 1/253 dead transitions. [2021-12-06 22:28:56,831 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 253 transitions, 1162 flow [2021-12-06 22:28:56,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:28:56,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 22:28:56,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1278 transitions. [2021-12-06 22:28:56,835 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8623481781376519 [2021-12-06 22:28:56,835 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1278 transitions. [2021-12-06 22:28:56,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1278 transitions. [2021-12-06 22:28:56,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:28:56,836 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1278 transitions. [2021-12-06 22:28:56,839 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 22:28:56,841 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 22:28:56,842 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 22:28:56,842 INFO L186 Difference]: Start difference. First operand has 255 places, 309 transitions, 1336 flow. Second operand 6 states and 1278 transitions. [2021-12-06 22:28:56,842 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 253 transitions, 1162 flow [2021-12-06 22:28:56,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 253 transitions, 1066 flow, removed 15 selfloop flow, removed 24 redundant places. [2021-12-06 22:28:56,851 INFO L242 Difference]: Finished difference. Result has 234 places, 227 transitions, 727 flow [2021-12-06 22:28:56,851 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=718, 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=727, PETRI_PLACES=234, PETRI_TRANSITIONS=227} [2021-12-06 22:28:56,852 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, -11 predicate places. [2021-12-06 22:28:56,852 INFO L470 AbstractCegarLoop]: Abstraction has has 234 places, 227 transitions, 727 flow [2021-12-06 22:28:56,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 207.2) internal successors, (1036), 5 states have internal predecessors, (1036), 0 states have call successors, (0), 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 22:28:56,852 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:28:56,853 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, 1, 1, 1, 1] [2021-12-06 22:28:56,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 22:28:56,853 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:28:56,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:28:56,853 INFO L85 PathProgramCache]: Analyzing trace with hash -2146728362, now seen corresponding path program 1 times [2021-12-06 22:28:56,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:28:56,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192933932] [2021-12-06 22:28:56,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:28:56,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:28:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:57,717 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 22:28:57,717 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:28:57,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192933932] [2021-12-06 22:28:57,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192933932] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:28:57,717 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:28:57,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:28:57,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625195220] [2021-12-06 22:28:57,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:28:57,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:28:57,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:28:57,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:28:57,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:28:57,722 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:28:57,724 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 227 transitions, 727 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:28:57,724 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:28:57,724 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:28:57,725 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:28:59,393 INFO L129 PetriNetUnfolder]: 1346/2812 cut-off events. [2021-12-06 22:28:59,393 INFO L130 PetriNetUnfolder]: For 5578/5662 co-relation queries the response was YES. [2021-12-06 22:28:59,399 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9192 conditions, 2812 events. 1346/2812 cut-off events. For 5578/5662 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 16520 event pairs, 91 based on Foata normal form. 8/2757 useless extension candidates. Maximal degree in co-relation 8911. Up to 1089 conditions per place. [2021-12-06 22:28:59,409 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 297 selfloop transitions, 65 changer transitions 0/473 dead transitions. [2021-12-06 22:28:59,409 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 473 transitions, 2791 flow [2021-12-06 22:28:59,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 22:28:59,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 22:28:59,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2823 transitions. [2021-12-06 22:28:59,415 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5714574898785425 [2021-12-06 22:28:59,415 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2823 transitions. [2021-12-06 22:28:59,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2823 transitions. [2021-12-06 22:28:59,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:28:59,416 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2823 transitions. [2021-12-06 22:28:59,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 141.15) internal successors, (2823), 20 states have internal predecessors, (2823), 0 states have call successors, (0), 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 22:28:59,427 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 22:28:59,428 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 22:28:59,428 INFO L186 Difference]: Start difference. First operand has 234 places, 227 transitions, 727 flow. Second operand 20 states and 2823 transitions. [2021-12-06 22:28:59,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 473 transitions, 2791 flow [2021-12-06 22:28:59,437 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 473 transitions, 2763 flow, removed 3 selfloop flow, removed 7 redundant places. [2021-12-06 22:28:59,442 INFO L242 Difference]: Finished difference. Result has 254 places, 278 transitions, 1411 flow [2021-12-06 22:28:59,442 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=702, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=1411, PETRI_PLACES=254, PETRI_TRANSITIONS=278} [2021-12-06 22:28:59,443 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 9 predicate places. [2021-12-06 22:28:59,443 INFO L470 AbstractCegarLoop]: Abstraction has has 254 places, 278 transitions, 1411 flow [2021-12-06 22:28:59,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:28:59,444 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:28:59,444 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, 1, 1, 1, 1] [2021-12-06 22:28:59,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 22:28:59,444 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:28:59,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:28:59,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1936868808, now seen corresponding path program 2 times [2021-12-06 22:28:59,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:28:59,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84537163] [2021-12-06 22:28:59,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:28:59,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:28:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:59,931 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 22:28:59,931 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:28:59,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84537163] [2021-12-06 22:28:59,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84537163] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:28:59,931 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:28:59,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:28:59,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914261789] [2021-12-06 22:28:59,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:28:59,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:28:59,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:28:59,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:28:59,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:28:59,934 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:28:59,936 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 278 transitions, 1411 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:28:59,936 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:28:59,936 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:28:59,936 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:29:01,575 INFO L129 PetriNetUnfolder]: 1590/3566 cut-off events. [2021-12-06 22:29:01,575 INFO L130 PetriNetUnfolder]: For 15837/15921 co-relation queries the response was YES. [2021-12-06 22:29:01,585 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14119 conditions, 3566 events. 1590/3566 cut-off events. For 15837/15921 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 22856 event pairs, 647 based on Foata normal form. 8/3488 useless extension candidates. Maximal degree in co-relation 13835. Up to 1927 conditions per place. [2021-12-06 22:29:01,600 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 261 selfloop transitions, 86 changer transitions 0/458 dead transitions. [2021-12-06 22:29:01,600 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 458 transitions, 3265 flow [2021-12-06 22:29:01,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-06 22:29:01,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-12-06 22:29:01,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2414 transitions. [2021-12-06 22:29:01,606 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5748987854251012 [2021-12-06 22:29:01,606 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 2414 transitions. [2021-12-06 22:29:01,606 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 2414 transitions. [2021-12-06 22:29:01,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:29:01,608 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 2414 transitions. [2021-12-06 22:29:01,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 142.0) internal successors, (2414), 17 states have internal predecessors, (2414), 0 states have call successors, (0), 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 22:29:01,618 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 22:29:01,619 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 22:29:01,619 INFO L186 Difference]: Start difference. First operand has 254 places, 278 transitions, 1411 flow. Second operand 17 states and 2414 transitions. [2021-12-06 22:29:01,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 270 places, 458 transitions, 3265 flow [2021-12-06 22:29:01,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 458 transitions, 3179 flow, removed 24 selfloop flow, removed 9 redundant places. [2021-12-06 22:29:01,660 INFO L242 Difference]: Finished difference. Result has 269 places, 326 transitions, 2376 flow [2021-12-06 22:29:01,661 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=1355, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=2376, PETRI_PLACES=269, PETRI_TRANSITIONS=326} [2021-12-06 22:29:01,661 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 24 predicate places. [2021-12-06 22:29:01,661 INFO L470 AbstractCegarLoop]: Abstraction has has 269 places, 326 transitions, 2376 flow [2021-12-06 22:29:01,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:29:01,662 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:29:01,663 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, 1, 1, 1, 1] [2021-12-06 22:29:01,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 22:29:01,663 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:29:01,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:29:01,663 INFO L85 PathProgramCache]: Analyzing trace with hash 11985576, now seen corresponding path program 3 times [2021-12-06 22:29:01,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:29:01,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610458513] [2021-12-06 22:29:01,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:29:01,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:29:01,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:02,514 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 22:29:02,515 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:29:02,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610458513] [2021-12-06 22:29:02,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610458513] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:29:02,515 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:29:02,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:29:02,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724554900] [2021-12-06 22:29:02,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:29:02,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:29:02,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:29:02,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:29:02,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:29:02,519 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:29:02,521 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 326 transitions, 2376 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:29:02,521 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:29:02,521 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:29:02,521 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:29:04,789 INFO L129 PetriNetUnfolder]: 1576/3214 cut-off events. [2021-12-06 22:29:04,789 INFO L130 PetriNetUnfolder]: For 23396/23681 co-relation queries the response was YES. [2021-12-06 22:29:04,799 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15331 conditions, 3214 events. 1576/3214 cut-off events. For 23396/23681 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 19011 event pairs, 92 based on Foata normal form. 8/3133 useless extension candidates. Maximal degree in co-relation 15039. Up to 1229 conditions per place. [2021-12-06 22:29:04,812 INFO L132 encePairwiseOnDemand]: 228/247 looper letters, 356 selfloop transitions, 86 changer transitions 0/553 dead transitions. [2021-12-06 22:29:04,812 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 553 transitions, 5105 flow [2021-12-06 22:29:04,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 22:29:04,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 22:29:04,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2821 transitions. [2021-12-06 22:29:04,818 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5710526315789474 [2021-12-06 22:29:04,818 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2821 transitions. [2021-12-06 22:29:04,818 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2821 transitions. [2021-12-06 22:29:04,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:29:04,820 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2821 transitions. [2021-12-06 22:29:04,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 141.05) internal successors, (2821), 20 states have internal predecessors, (2821), 0 states have call successors, (0), 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 22:29:04,829 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 22:29:04,830 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 22:29:04,830 INFO L186 Difference]: Start difference. First operand has 269 places, 326 transitions, 2376 flow. Second operand 20 states and 2821 transitions. [2021-12-06 22:29:04,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 553 transitions, 5105 flow [2021-12-06 22:29:04,870 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 553 transitions, 4918 flow, removed 80 selfloop flow, removed 9 redundant places. [2021-12-06 22:29:04,876 INFO L242 Difference]: Finished difference. Result has 280 places, 329 transitions, 2488 flow [2021-12-06 22:29:04,877 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=2249, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=326, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=83, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=243, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=2488, PETRI_PLACES=280, PETRI_TRANSITIONS=329} [2021-12-06 22:29:04,877 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 35 predicate places. [2021-12-06 22:29:04,877 INFO L470 AbstractCegarLoop]: Abstraction has has 280 places, 329 transitions, 2488 flow [2021-12-06 22:29:04,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:29:04,878 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:29:04,878 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, 1, 1, 1, 1] [2021-12-06 22:29:04,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 22:29:04,878 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:29:04,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:29:04,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1622590192, now seen corresponding path program 4 times [2021-12-06 22:29:04,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:29:04,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762758292] [2021-12-06 22:29:04,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:29:04,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:29:04,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:05,288 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 22:29:05,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:29:05,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762758292] [2021-12-06 22:29:05,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762758292] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:29:05,288 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:29:05,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:29:05,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368302193] [2021-12-06 22:29:05,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:29:05,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:29:05,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:29:05,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:29:05,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:29:05,291 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:29:05,293 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 329 transitions, 2488 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:29:05,293 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:29:05,293 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:29:05,294 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:29:07,083 INFO L129 PetriNetUnfolder]: 1718/3713 cut-off events. [2021-12-06 22:29:07,083 INFO L130 PetriNetUnfolder]: For 27254/27539 co-relation queries the response was YES. [2021-12-06 22:29:07,096 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18131 conditions, 3713 events. 1718/3713 cut-off events. For 27254/27539 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 23424 event pairs, 459 based on Foata normal form. 8/3622 useless extension candidates. Maximal degree in co-relation 17839. Up to 1611 conditions per place. [2021-12-06 22:29:07,110 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 347 selfloop transitions, 100 changer transitions 0/558 dead transitions. [2021-12-06 22:29:07,110 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 558 transitions, 5391 flow [2021-12-06 22:29:07,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-06 22:29:07,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-12-06 22:29:07,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2686 transitions. [2021-12-06 22:29:07,113 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5723417856381845 [2021-12-06 22:29:07,113 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2686 transitions. [2021-12-06 22:29:07,113 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2686 transitions. [2021-12-06 22:29:07,113 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:29:07,114 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2686 transitions. [2021-12-06 22:29:07,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 141.3684210526316) internal successors, (2686), 19 states have internal predecessors, (2686), 0 states have call successors, (0), 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 22:29:07,121 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 22:29:07,122 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 22:29:07,122 INFO L186 Difference]: Start difference. First operand has 280 places, 329 transitions, 2488 flow. Second operand 19 states and 2686 transitions. [2021-12-06 22:29:07,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 558 transitions, 5391 flow [2021-12-06 22:29:07,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 558 transitions, 5222 flow, removed 3 selfloop flow, removed 17 redundant places. [2021-12-06 22:29:07,170 INFO L242 Difference]: Finished difference. Result has 287 places, 367 transitions, 3400 flow [2021-12-06 22:29:07,170 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=2343, PETRI_DIFFERENCE_MINUEND_PLACES=263, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=329, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=3400, PETRI_PLACES=287, PETRI_TRANSITIONS=367} [2021-12-06 22:29:07,171 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 42 predicate places. [2021-12-06 22:29:07,171 INFO L470 AbstractCegarLoop]: Abstraction has has 287 places, 367 transitions, 3400 flow [2021-12-06 22:29:07,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:29:07,171 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:29:07,172 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, 1, 1, 1, 1] [2021-12-06 22:29:07,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-06 22:29:07,172 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:29:07,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:29:07,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1167389018, now seen corresponding path program 5 times [2021-12-06 22:29:07,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:29:07,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068067328] [2021-12-06 22:29:07,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:29:07,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:29:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:07,624 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 22:29:07,624 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:29:07,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068067328] [2021-12-06 22:29:07,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068067328] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:29:07,625 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:29:07,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:29:07,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041022601] [2021-12-06 22:29:07,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:29:07,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:29:07,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:29:07,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:29:07,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:29:07,627 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:29:07,628 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 367 transitions, 3400 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:29:07,629 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:29:07,629 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:29:07,629 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:29:10,216 INFO L129 PetriNetUnfolder]: 1877/3706 cut-off events. [2021-12-06 22:29:10,216 INFO L130 PetriNetUnfolder]: For 38992/38992 co-relation queries the response was YES. [2021-12-06 22:29:10,229 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21265 conditions, 3706 events. 1877/3706 cut-off events. For 38992/38992 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 22257 event pairs, 129 based on Foata normal form. 8/3648 useless extension candidates. Maximal degree in co-relation 20967. Up to 2107 conditions per place. [2021-12-06 22:29:10,243 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 287 selfloop transitions, 156 changer transitions 0/554 dead transitions. [2021-12-06 22:29:10,243 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 554 transitions, 5922 flow [2021-12-06 22:29:10,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-06 22:29:10,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-12-06 22:29:10,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2553 transitions. [2021-12-06 22:29:10,246 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5742240215924427 [2021-12-06 22:29:10,246 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2553 transitions. [2021-12-06 22:29:10,246 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2553 transitions. [2021-12-06 22:29:10,247 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:29:10,247 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2553 transitions. [2021-12-06 22:29:10,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 141.83333333333334) internal successors, (2553), 18 states have internal predecessors, (2553), 0 states have call successors, (0), 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 22:29:10,253 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 22:29:10,254 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 22:29:10,254 INFO L186 Difference]: Start difference. First operand has 287 places, 367 transitions, 3400 flow. Second operand 18 states and 2553 transitions. [2021-12-06 22:29:10,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 554 transitions, 5922 flow [2021-12-06 22:29:10,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 554 transitions, 5817 flow, removed 14 selfloop flow, removed 12 redundant places. [2021-12-06 22:29:10,330 INFO L242 Difference]: Finished difference. Result has 297 places, 413 transitions, 4834 flow [2021-12-06 22:29:10,330 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=3314, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=113, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=4834, PETRI_PLACES=297, PETRI_TRANSITIONS=413} [2021-12-06 22:29:10,331 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 52 predicate places. [2021-12-06 22:29:10,331 INFO L470 AbstractCegarLoop]: Abstraction has has 297 places, 413 transitions, 4834 flow [2021-12-06 22:29:10,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:29:10,331 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:29:10,332 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, 1, 1, 1, 1] [2021-12-06 22:29:10,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-06 22:29:10,332 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:29:10,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:29:10,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1334135892, now seen corresponding path program 6 times [2021-12-06 22:29:10,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:29:10,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524966153] [2021-12-06 22:29:10,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:29:10,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:29:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:10,819 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 22:29:10,819 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:29:10,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524966153] [2021-12-06 22:29:10,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524966153] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:29:10,819 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:29:10,819 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:29:10,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564838711] [2021-12-06 22:29:10,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:29:10,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:29:10,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:29:10,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:29:10,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:29:10,822 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:29:10,823 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 413 transitions, 4834 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:29:10,824 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:29:10,824 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:29:10,824 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:29:12,873 INFO L129 PetriNetUnfolder]: 1996/4288 cut-off events. [2021-12-06 22:29:12,874 INFO L130 PetriNetUnfolder]: For 51276/51276 co-relation queries the response was YES. [2021-12-06 22:29:12,891 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25299 conditions, 4288 events. 1996/4288 cut-off events. For 51276/51276 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 27691 event pairs, 701 based on Foata normal form. 8/4213 useless extension candidates. Maximal degree in co-relation 24996. Up to 2134 conditions per place. [2021-12-06 22:29:12,908 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 274 selfloop transitions, 192 changer transitions 0/577 dead transitions. [2021-12-06 22:29:12,908 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 577 transitions, 7250 flow [2021-12-06 22:29:12,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-06 22:29:12,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-12-06 22:29:12,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2276 transitions. [2021-12-06 22:29:12,910 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5759109311740891 [2021-12-06 22:29:12,910 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2276 transitions. [2021-12-06 22:29:12,911 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2276 transitions. [2021-12-06 22:29:12,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:29:12,911 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2276 transitions. [2021-12-06 22:29:12,913 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 142.25) internal successors, (2276), 16 states have internal predecessors, (2276), 0 states have call successors, (0), 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 22:29:12,916 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 22:29:12,917 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 22:29:12,917 INFO L186 Difference]: Start difference. First operand has 297 places, 413 transitions, 4834 flow. Second operand 16 states and 2276 transitions. [2021-12-06 22:29:12,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 577 transitions, 7250 flow [2021-12-06 22:29:13,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 577 transitions, 7081 flow, removed 47 selfloop flow, removed 11 redundant places. [2021-12-06 22:29:13,028 INFO L242 Difference]: Finished difference. Result has 307 places, 464 transitions, 6462 flow [2021-12-06 22:29:13,029 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=4681, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=413, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=141, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=246, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=6462, PETRI_PLACES=307, PETRI_TRANSITIONS=464} [2021-12-06 22:29:13,029 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 62 predicate places. [2021-12-06 22:29:13,029 INFO L470 AbstractCegarLoop]: Abstraction has has 307 places, 464 transitions, 6462 flow [2021-12-06 22:29:13,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:29:13,030 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:29:13,030 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, 1, 1, 1, 1] [2021-12-06 22:29:13,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-06 22:29:13,030 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:29:13,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:29:13,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1852965454, now seen corresponding path program 7 times [2021-12-06 22:29:13,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:29:13,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122060463] [2021-12-06 22:29:13,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:29:13,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:29:13,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:13,704 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 22:29:13,704 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:29:13,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122060463] [2021-12-06 22:29:13,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122060463] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:29:13,704 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:29:13,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:29:13,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819858554] [2021-12-06 22:29:13,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:29:13,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:29:13,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:29:13,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:29:13,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:29:13,706 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:29:13,708 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 464 transitions, 6462 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:29:13,708 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:29:13,708 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:29:13,708 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:29:16,295 INFO L129 PetriNetUnfolder]: 2168/4392 cut-off events. [2021-12-06 22:29:16,295 INFO L130 PetriNetUnfolder]: For 71186/71312 co-relation queries the response was YES. [2021-12-06 22:29:16,314 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29388 conditions, 4392 events. 2168/4392 cut-off events. For 71186/71312 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 27895 event pairs, 177 based on Foata normal form. 8/4317 useless extension candidates. Maximal degree in co-relation 29079. Up to 1943 conditions per place. [2021-12-06 22:29:16,333 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 405 selfloop transitions, 199 changer transitions 0/715 dead transitions. [2021-12-06 22:29:16,334 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 326 places, 715 transitions, 10792 flow [2021-12-06 22:29:16,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 22:29:16,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 22:29:16,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2823 transitions. [2021-12-06 22:29:16,336 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5714574898785425 [2021-12-06 22:29:16,336 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2823 transitions. [2021-12-06 22:29:16,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2823 transitions. [2021-12-06 22:29:16,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:29:16,337 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2823 transitions. [2021-12-06 22:29:16,340 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 141.15) internal successors, (2823), 20 states have internal predecessors, (2823), 0 states have call successors, (0), 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 22:29:16,344 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 22:29:16,344 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 22:29:16,344 INFO L186 Difference]: Start difference. First operand has 307 places, 464 transitions, 6462 flow. Second operand 20 states and 2823 transitions. [2021-12-06 22:29:16,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 326 places, 715 transitions, 10792 flow [2021-12-06 22:29:16,469 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 715 transitions, 10601 flow, removed 17 selfloop flow, removed 9 redundant places. [2021-12-06 22:29:16,480 INFO L242 Difference]: Finished difference. Result has 322 places, 514 transitions, 8123 flow [2021-12-06 22:29:16,480 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=6353, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=464, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=152, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=8123, PETRI_PLACES=322, PETRI_TRANSITIONS=514} [2021-12-06 22:29:16,481 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 77 predicate places. [2021-12-06 22:29:16,481 INFO L470 AbstractCegarLoop]: Abstraction has has 322 places, 514 transitions, 8123 flow [2021-12-06 22:29:16,481 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:29:16,481 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:29:16,481 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, 1, 1, 1, 1] [2021-12-06 22:29:16,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-06 22:29:16,481 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:29:16,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:29:16,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1031504102, now seen corresponding path program 8 times [2021-12-06 22:29:16,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:29:16,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971990508] [2021-12-06 22:29:16,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:29:16,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:29:16,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:16,865 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 22:29:16,865 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:29:16,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971990508] [2021-12-06 22:29:16,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971990508] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:29:16,865 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:29:16,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:29:16,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138941302] [2021-12-06 22:29:16,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:29:16,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:29:16,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:29:16,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:29:16,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:29:16,868 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:29:16,869 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 514 transitions, 8123 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:29:16,869 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:29:16,869 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:29:16,869 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:29:19,491 INFO L129 PetriNetUnfolder]: 2421/4740 cut-off events. [2021-12-06 22:29:19,491 INFO L130 PetriNetUnfolder]: For 104009/104009 co-relation queries the response was YES. [2021-12-06 22:29:19,513 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36312 conditions, 4740 events. 2421/4740 cut-off events. For 104009/104009 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 30448 event pairs, 109 based on Foata normal form. 8/4689 useless extension candidates. Maximal degree in co-relation 35998. Up to 2743 conditions per place. [2021-12-06 22:29:19,536 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 406 selfloop transitions, 233 changer transitions 0/750 dead transitions. [2021-12-06 22:29:19,536 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 339 places, 750 transitions, 12609 flow [2021-12-06 22:29:19,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-06 22:29:19,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-12-06 22:29:19,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2551 transitions. [2021-12-06 22:29:19,539 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.573774179037337 [2021-12-06 22:29:19,539 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2551 transitions. [2021-12-06 22:29:19,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2551 transitions. [2021-12-06 22:29:19,540 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:29:19,540 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2551 transitions. [2021-12-06 22:29:19,542 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 141.72222222222223) internal successors, (2551), 18 states have internal predecessors, (2551), 0 states have call successors, (0), 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 22:29:19,545 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 22:29:19,545 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 22:29:19,545 INFO L186 Difference]: Start difference. First operand has 322 places, 514 transitions, 8123 flow. Second operand 18 states and 2551 transitions. [2021-12-06 22:29:19,546 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 339 places, 750 transitions, 12609 flow [2021-12-06 22:29:19,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 327 places, 750 transitions, 12328 flow, removed 94 selfloop flow, removed 12 redundant places. [2021-12-06 22:29:19,755 INFO L242 Difference]: Finished difference. Result has 334 places, 588 transitions, 10884 flow [2021-12-06 22:29:19,755 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=7860, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=514, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=163, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=10884, PETRI_PLACES=334, PETRI_TRANSITIONS=588} [2021-12-06 22:29:19,756 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 89 predicate places. [2021-12-06 22:29:19,756 INFO L470 AbstractCegarLoop]: Abstraction has has 334 places, 588 transitions, 10884 flow [2021-12-06 22:29:19,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:29:19,756 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:29:19,756 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, 1, 1, 1, 1] [2021-12-06 22:29:19,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-06 22:29:19,757 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:29:19,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:29:19,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1892997576, now seen corresponding path program 9 times [2021-12-06 22:29:19,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:29:19,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301236565] [2021-12-06 22:29:19,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:29:19,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:29:19,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:20,187 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 22:29:20,187 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:29:20,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301236565] [2021-12-06 22:29:20,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301236565] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:29:20,187 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:29:20,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:29:20,187 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771442560] [2021-12-06 22:29:20,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:29:20,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:29:20,188 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:29:20,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:29:20,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:29:20,190 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:29:20,191 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 334 places, 588 transitions, 10884 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:29:20,191 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:29:20,191 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:29:20,191 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:29:22,859 INFO L129 PetriNetUnfolder]: 2662/5555 cut-off events. [2021-12-06 22:29:22,859 INFO L130 PetriNetUnfolder]: For 135061/135061 co-relation queries the response was YES. [2021-12-06 22:29:22,889 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43780 conditions, 5555 events. 2662/5555 cut-off events. For 135061/135061 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 38090 event pairs, 682 based on Foata normal form. 8/5480 useless extension candidates. Maximal degree in co-relation 43459. Up to 2698 conditions per place. [2021-12-06 22:29:22,915 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 341 selfloop transitions, 346 changer transitions 0/798 dead transitions. [2021-12-06 22:29:22,915 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 350 places, 798 transitions, 15327 flow [2021-12-06 22:29:22,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-06 22:29:22,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-12-06 22:29:22,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2418 transitions. [2021-12-06 22:29:22,918 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5758513931888545 [2021-12-06 22:29:22,918 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 2418 transitions. [2021-12-06 22:29:22,918 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 2418 transitions. [2021-12-06 22:29:22,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:29:22,918 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 2418 transitions. [2021-12-06 22:29:22,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 142.23529411764707) internal successors, (2418), 17 states have internal predecessors, (2418), 0 states have call successors, (0), 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 22:29:22,923 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 22:29:22,924 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 22:29:22,924 INFO L186 Difference]: Start difference. First operand has 334 places, 588 transitions, 10884 flow. Second operand 17 states and 2418 transitions. [2021-12-06 22:29:22,924 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 350 places, 798 transitions, 15327 flow [2021-12-06 22:29:23,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 798 transitions, 15110 flow, removed 69 selfloop flow, removed 11 redundant places. [2021-12-06 22:29:23,218 INFO L242 Difference]: Finished difference. Result has 346 places, 668 transitions, 14384 flow [2021-12-06 22:29:23,219 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=10712, PETRI_DIFFERENCE_MINUEND_PLACES=323, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=588, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=270, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=14384, PETRI_PLACES=346, PETRI_TRANSITIONS=668} [2021-12-06 22:29:23,219 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 101 predicate places. [2021-12-06 22:29:23,219 INFO L470 AbstractCegarLoop]: Abstraction has has 346 places, 668 transitions, 14384 flow [2021-12-06 22:29:23,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:29:23,219 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:29:23,220 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, 1, 1, 1, 1] [2021-12-06 22:29:23,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-06 22:29:23,220 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:29:23,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:29:23,220 INFO L85 PathProgramCache]: Analyzing trace with hash -149230100, now seen corresponding path program 10 times [2021-12-06 22:29:23,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:29:23,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253863881] [2021-12-06 22:29:23,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:29:23,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:29:23,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:23,771 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 22:29:23,771 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:29:23,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253863881] [2021-12-06 22:29:23,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253863881] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:29:23,772 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:29:23,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:29:23,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288448515] [2021-12-06 22:29:23,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:29:23,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:29:23,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:29:23,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:29:23,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:29:23,774 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:29:23,775 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 346 places, 668 transitions, 14384 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:29:23,775 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:29:23,775 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:29:23,775 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:29:27,107 INFO L129 PetriNetUnfolder]: 2736/5428 cut-off events. [2021-12-06 22:29:27,107 INFO L130 PetriNetUnfolder]: For 170752/170836 co-relation queries the response was YES. [2021-12-06 22:29:27,138 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47878 conditions, 5428 events. 2736/5428 cut-off events. For 170752/170836 co-relation queries the response was YES. Maximal size of possible extension queue 201. Compared 36176 event pairs, 168 based on Foata normal form. 8/5370 useless extension candidates. Maximal degree in co-relation 47551. Up to 2511 conditions per place. [2021-12-06 22:29:27,167 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 498 selfloop transitions, 306 changer transitions 0/915 dead transitions. [2021-12-06 22:29:27,167 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 915 transitions, 19437 flow [2021-12-06 22:29:27,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 22:29:27,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 22:29:27,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2823 transitions. [2021-12-06 22:29:27,170 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5714574898785425 [2021-12-06 22:29:27,170 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2823 transitions. [2021-12-06 22:29:27,170 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2823 transitions. [2021-12-06 22:29:27,171 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:29:27,171 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2823 transitions. [2021-12-06 22:29:27,173 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 141.15) internal successors, (2823), 20 states have internal predecessors, (2823), 0 states have call successors, (0), 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 22:29:27,177 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 22:29:27,177 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 22:29:27,178 INFO L186 Difference]: Start difference. First operand has 346 places, 668 transitions, 14384 flow. Second operand 20 states and 2823 transitions. [2021-12-06 22:29:27,178 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 915 transitions, 19437 flow [2021-12-06 22:29:27,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 915 transitions, 19125 flow, removed 58 selfloop flow, removed 9 redundant places. [2021-12-06 22:29:27,538 INFO L242 Difference]: Finished difference. Result has 361 places, 698 transitions, 15956 flow [2021-12-06 22:29:27,539 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=14188, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=668, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=279, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=15956, PETRI_PLACES=361, PETRI_TRANSITIONS=698} [2021-12-06 22:29:27,539 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 116 predicate places. [2021-12-06 22:29:27,539 INFO L470 AbstractCegarLoop]: Abstraction has has 361 places, 698 transitions, 15956 flow [2021-12-06 22:29:27,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:29:27,539 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:29:27,539 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, 1, 1, 1, 1] [2021-12-06 22:29:27,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-06 22:29:27,540 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:29:27,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:29:27,540 INFO L85 PathProgramCache]: Analyzing trace with hash -939267960, now seen corresponding path program 11 times [2021-12-06 22:29:27,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:29:27,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348936983] [2021-12-06 22:29:27,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:29:27,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:29:27,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:27,964 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 22:29:27,964 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:29:27,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348936983] [2021-12-06 22:29:27,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348936983] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:29:27,964 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:29:27,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:29:27,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54426799] [2021-12-06 22:29:27,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:29:27,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:29:27,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:29:27,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:29:27,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:29:27,967 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:29:27,969 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 698 transitions, 15956 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:29:27,969 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:29:27,969 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:29:27,969 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:29:31,240 INFO L129 PetriNetUnfolder]: 2945/5750 cut-off events. [2021-12-06 22:29:31,240 INFO L130 PetriNetUnfolder]: For 195367/195367 co-relation queries the response was YES. [2021-12-06 22:29:31,275 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54159 conditions, 5750 events. 2945/5750 cut-off events. For 195367/195367 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 38549 event pairs, 167 based on Foata normal form. 8/5691 useless extension candidates. Maximal degree in co-relation 53827. Up to 3200 conditions per place. [2021-12-06 22:29:31,307 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 418 selfloop transitions, 371 changer transitions 0/900 dead transitions. [2021-12-06 22:29:31,307 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 900 transitions, 20714 flow [2021-12-06 22:29:31,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-06 22:29:31,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-12-06 22:29:31,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2552 transitions. [2021-12-06 22:29:31,310 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5739991003148898 [2021-12-06 22:29:31,310 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2552 transitions. [2021-12-06 22:29:31,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2552 transitions. [2021-12-06 22:29:31,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:29:31,311 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2552 transitions. [2021-12-06 22:29:31,313 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 141.77777777777777) internal successors, (2552), 18 states have internal predecessors, (2552), 0 states have call successors, (0), 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 22:29:31,316 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 22:29:31,316 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 22:29:31,316 INFO L186 Difference]: Start difference. First operand has 361 places, 698 transitions, 15956 flow. Second operand 18 states and 2552 transitions. [2021-12-06 22:29:31,316 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 900 transitions, 20714 flow [2021-12-06 22:29:31,879 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 900 transitions, 20521 flow, removed 44 selfloop flow, removed 12 redundant places. [2021-12-06 22:29:31,897 INFO L242 Difference]: Finished difference. Result has 374 places, 768 transitions, 19662 flow [2021-12-06 22:29:31,897 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=15770, PETRI_DIFFERENCE_MINUEND_PLACES=349, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=698, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=305, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=368, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=19662, PETRI_PLACES=374, PETRI_TRANSITIONS=768} [2021-12-06 22:29:31,897 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 129 predicate places. [2021-12-06 22:29:31,898 INFO L470 AbstractCegarLoop]: Abstraction has has 374 places, 768 transitions, 19662 flow [2021-12-06 22:29:31,898 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:29:31,898 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:29:31,898 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, 1, 1, 1, 1] [2021-12-06 22:29:31,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-06 22:29:31,898 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:29:31,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:29:31,898 INFO L85 PathProgramCache]: Analyzing trace with hash 832296356, now seen corresponding path program 12 times [2021-12-06 22:29:31,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:29:31,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090344869] [2021-12-06 22:29:31,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:29:31,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:29:31,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:32,425 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 22:29:32,425 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:29:32,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090344869] [2021-12-06 22:29:32,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090344869] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:29:32,425 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:29:32,425 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:29:32,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716057145] [2021-12-06 22:29:32,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:29:32,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:29:32,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:29:32,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:29:32,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:29:32,427 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:29:32,429 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 768 transitions, 19662 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:29:32,429 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:29:32,429 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:29:32,429 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:29:36,979 INFO L129 PetriNetUnfolder]: 3261/6679 cut-off events. [2021-12-06 22:29:36,980 INFO L130 PetriNetUnfolder]: For 257109/257109 co-relation queries the response was YES. [2021-12-06 22:29:37,023 INFO L84 FinitePrefix]: Finished finitePrefix Result has 64253 conditions, 6679 events. 3261/6679 cut-off events. For 257109/257109 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 47038 event pairs, 737 based on Foata normal form. 8/6604 useless extension candidates. Maximal degree in co-relation 63913. Up to 3090 conditions per place. [2021-12-06 22:29:37,061 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 378 selfloop transitions, 509 changer transitions 0/998 dead transitions. [2021-12-06 22:29:37,061 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 998 transitions, 25254 flow [2021-12-06 22:29:37,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 22:29:37,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 22:29:37,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2809 transitions. [2021-12-06 22:29:37,064 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5686234817813766 [2021-12-06 22:29:37,064 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2809 transitions. [2021-12-06 22:29:37,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2809 transitions. [2021-12-06 22:29:37,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:29:37,065 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2809 transitions. [2021-12-06 22:29:37,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 140.45) internal successors, (2809), 20 states have internal predecessors, (2809), 0 states have call successors, (0), 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 22:29:37,070 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 22:29:37,070 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 22:29:37,070 INFO L186 Difference]: Start difference. First operand has 374 places, 768 transitions, 19662 flow. Second operand 20 states and 2809 transitions. [2021-12-06 22:29:37,070 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 998 transitions, 25254 flow [2021-12-06 22:29:37,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 998 transitions, 24922 flow, removed 141 selfloop flow, removed 9 redundant places. [2021-12-06 22:29:37,851 INFO L242 Difference]: Finished difference. Result has 395 places, 878 transitions, 24192 flow [2021-12-06 22:29:37,852 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=19332, PETRI_DIFFERENCE_MINUEND_PLACES=365, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=768, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=404, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=331, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=24192, PETRI_PLACES=395, PETRI_TRANSITIONS=878} [2021-12-06 22:29:37,852 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 150 predicate places. [2021-12-06 22:29:37,852 INFO L470 AbstractCegarLoop]: Abstraction has has 395 places, 878 transitions, 24192 flow [2021-12-06 22:29:37,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:29:37,852 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:29:37,852 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, 1, 1, 1, 1] [2021-12-06 22:29:37,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-06 22:29:37,853 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:29:37,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:29:37,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1832141134, now seen corresponding path program 13 times [2021-12-06 22:29:37,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:29:37,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626940659] [2021-12-06 22:29:37,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:29:37,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:29:37,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:38,348 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 22:29:38,348 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:29:38,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626940659] [2021-12-06 22:29:38,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626940659] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:29:38,349 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:29:38,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:29:38,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389966523] [2021-12-06 22:29:38,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:29:38,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:29:38,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:29:38,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:29:38,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:29:38,351 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:29:38,352 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 878 transitions, 24192 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:29:38,352 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:29:38,352 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:29:38,352 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:29:42,530 INFO L129 PetriNetUnfolder]: 3265/6433 cut-off events. [2021-12-06 22:29:42,530 INFO L130 PetriNetUnfolder]: For 290058/290142 co-relation queries the response was YES. [2021-12-06 22:29:42,580 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68167 conditions, 6433 events. 3265/6433 cut-off events. For 290058/290142 co-relation queries the response was YES. Maximal size of possible extension queue 252. Compared 44520 event pairs, 199 based on Foata normal form. 8/6375 useless extension candidates. Maximal degree in co-relation 67816. Up to 3108 conditions per place. [2021-12-06 22:29:42,619 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 597 selfloop transitions, 401 changer transitions 0/1109 dead transitions. [2021-12-06 22:29:42,620 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 1109 transitions, 29523 flow [2021-12-06 22:29:42,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 22:29:42,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 22:29:42,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2821 transitions. [2021-12-06 22:29:42,623 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5710526315789474 [2021-12-06 22:29:42,623 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2821 transitions. [2021-12-06 22:29:42,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2821 transitions. [2021-12-06 22:29:42,623 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:29:42,624 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2821 transitions. [2021-12-06 22:29:42,628 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 141.05) internal successors, (2821), 20 states have internal predecessors, (2821), 0 states have call successors, (0), 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 22:29:42,632 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 22:29:42,632 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 22:29:42,633 INFO L186 Difference]: Start difference. First operand has 395 places, 878 transitions, 24192 flow. Second operand 20 states and 2821 transitions. [2021-12-06 22:29:42,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 1109 transitions, 29523 flow [2021-12-06 22:29:43,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 405 places, 1109 transitions, 28853 flow, removed 246 selfloop flow, removed 9 redundant places. [2021-12-06 22:29:43,685 INFO L242 Difference]: Finished difference. Result has 409 places, 896 transitions, 25305 flow [2021-12-06 22:29:43,686 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=23604, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=878, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=386, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=484, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=25305, PETRI_PLACES=409, PETRI_TRANSITIONS=896} [2021-12-06 22:29:43,687 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 164 predicate places. [2021-12-06 22:29:43,687 INFO L470 AbstractCegarLoop]: Abstraction has has 409 places, 896 transitions, 25305 flow [2021-12-06 22:29:43,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:29:43,688 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:29:43,688 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, 1, 1, 1, 1] [2021-12-06 22:29:43,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-06 22:29:43,688 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:29:43,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:29:43,688 INFO L85 PathProgramCache]: Analyzing trace with hash -2068834906, now seen corresponding path program 14 times [2021-12-06 22:29:43,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:29:43,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97395238] [2021-12-06 22:29:43,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:29:43,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:29:43,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:44,029 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 22:29:44,030 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:29:44,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97395238] [2021-12-06 22:29:44,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97395238] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:29:44,030 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:29:44,030 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:29:44,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578107225] [2021-12-06 22:29:44,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:29:44,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:29:44,030 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:29:44,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:29:44,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:29:44,032 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:29:44,033 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 896 transitions, 25305 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:29:44,033 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:29:44,033 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:29:44,034 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:29:48,019 INFO L129 PetriNetUnfolder]: 3369/6964 cut-off events. [2021-12-06 22:29:48,019 INFO L130 PetriNetUnfolder]: For 321107/321191 co-relation queries the response was YES. [2021-12-06 22:29:48,075 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73361 conditions, 6964 events. 3369/6964 cut-off events. For 321107/321191 co-relation queries the response was YES. Maximal size of possible extension queue 269. Compared 49689 event pairs, 878 based on Foata normal form. 8/6885 useless extension candidates. Maximal degree in co-relation 73008. Up to 3750 conditions per place. [2021-12-06 22:29:48,117 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 519 selfloop transitions, 455 changer transitions 0/1085 dead transitions. [2021-12-06 22:29:48,117 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 1085 transitions, 30614 flow [2021-12-06 22:29:48,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-06 22:29:48,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-12-06 22:29:48,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2550 transitions. [2021-12-06 22:29:48,120 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.573549257759784 [2021-12-06 22:29:48,120 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2550 transitions. [2021-12-06 22:29:48,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2550 transitions. [2021-12-06 22:29:48,120 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:29:48,120 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2550 transitions. [2021-12-06 22:29:48,123 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 141.66666666666666) internal successors, (2550), 18 states have internal predecessors, (2550), 0 states have call successors, (0), 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 22:29:48,125 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 22:29:48,125 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 22:29:48,125 INFO L186 Difference]: Start difference. First operand has 409 places, 896 transitions, 25305 flow. Second operand 18 states and 2550 transitions. [2021-12-06 22:29:48,125 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 1085 transitions, 30614 flow [2021-12-06 22:29:49,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 413 places, 1085 transitions, 30204 flow, removed 115 selfloop flow, removed 13 redundant places. [2021-12-06 22:29:49,240 INFO L242 Difference]: Finished difference. Result has 422 places, 956 transitions, 29250 flow [2021-12-06 22:29:49,241 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=24937, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=896, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=398, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=475, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=29250, PETRI_PLACES=422, PETRI_TRANSITIONS=956} [2021-12-06 22:29:49,242 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 177 predicate places. [2021-12-06 22:29:49,242 INFO L470 AbstractCegarLoop]: Abstraction has has 422 places, 956 transitions, 29250 flow [2021-12-06 22:29:49,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:29:49,242 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:29:49,242 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, 1, 1, 1, 1] [2021-12-06 22:29:49,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-06 22:29:49,242 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:29:49,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:29:49,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1295953298, now seen corresponding path program 15 times [2021-12-06 22:29:49,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:29:49,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198484581] [2021-12-06 22:29:49,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:29:49,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:29:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:49,815 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 22:29:49,816 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:29:49,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198484581] [2021-12-06 22:29:49,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198484581] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:29:49,816 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:29:49,816 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:29:49,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932804923] [2021-12-06 22:29:49,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:29:49,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:29:49,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:29:49,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:29:49,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:29:49,818 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:29:49,819 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 422 places, 956 transitions, 29250 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:29:49,819 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:29:49,819 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:29:49,819 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:29:54,830 INFO L129 PetriNetUnfolder]: 3601/7400 cut-off events. [2021-12-06 22:29:54,830 INFO L130 PetriNetUnfolder]: For 388112/388112 co-relation queries the response was YES. [2021-12-06 22:29:54,891 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82270 conditions, 7400 events. 3601/7400 cut-off events. For 388112/388112 co-relation queries the response was YES. Maximal size of possible extension queue 293. Compared 53444 event pairs, 862 based on Foata normal form. 8/7325 useless extension candidates. Maximal degree in co-relation 81908. Up to 3354 conditions per place. [2021-12-06 22:29:54,938 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 428 selfloop transitions, 640 changer transitions 0/1179 dead transitions. [2021-12-06 22:29:54,939 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 1179 transitions, 35587 flow [2021-12-06 22:29:54,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 22:29:54,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 22:29:54,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2808 transitions. [2021-12-06 22:29:54,941 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5684210526315789 [2021-12-06 22:29:54,941 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2808 transitions. [2021-12-06 22:29:54,941 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2808 transitions. [2021-12-06 22:29:54,942 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:29:54,942 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2808 transitions. [2021-12-06 22:29:54,944 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 140.4) internal successors, (2808), 20 states have internal predecessors, (2808), 0 states have call successors, (0), 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 22:29:54,946 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 22:29:54,946 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 22:29:54,946 INFO L186 Difference]: Start difference. First operand has 422 places, 956 transitions, 29250 flow. Second operand 20 states and 2808 transitions. [2021-12-06 22:29:54,946 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 1179 transitions, 35587 flow [2021-12-06 22:29:56,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 432 places, 1179 transitions, 35365 flow, removed 88 selfloop flow, removed 9 redundant places. [2021-12-06 22:29:56,549 INFO L242 Difference]: Finished difference. Result has 444 places, 1060 transitions, 34667 flow [2021-12-06 22:29:56,550 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=29032, PETRI_DIFFERENCE_MINUEND_PLACES=413, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=956, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=540, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=383, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=34667, PETRI_PLACES=444, PETRI_TRANSITIONS=1060} [2021-12-06 22:29:56,550 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 199 predicate places. [2021-12-06 22:29:56,551 INFO L470 AbstractCegarLoop]: Abstraction has has 444 places, 1060 transitions, 34667 flow [2021-12-06 22:29:56,551 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:29:56,551 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:29:56,551 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, 1, 1, 1, 1] [2021-12-06 22:29:56,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-06 22:29:56,551 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:29:56,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:29:56,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1317804648, now seen corresponding path program 16 times [2021-12-06 22:29:56,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:29:56,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729126482] [2021-12-06 22:29:56,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:29:56,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:29:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:57,049 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 22:29:57,050 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:29:57,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729126482] [2021-12-06 22:29:57,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729126482] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:29:57,050 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:29:57,050 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:29:57,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117119155] [2021-12-06 22:29:57,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:29:57,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:29:57,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:29:57,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:29:57,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:29:57,053 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:29:57,054 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 444 places, 1060 transitions, 34667 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:29:57,055 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:29:57,055 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:29:57,055 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:30:02,555 INFO L129 PetriNetUnfolder]: 3801/7780 cut-off events. [2021-12-06 22:30:02,556 INFO L130 PetriNetUnfolder]: For 454525/454651 co-relation queries the response was YES. [2021-12-06 22:30:02,627 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92555 conditions, 7780 events. 3801/7780 cut-off events. For 454525/454651 co-relation queries the response was YES. Maximal size of possible extension queue 321. Compared 56719 event pairs, 778 based on Foata normal form. 8/7699 useless extension candidates. Maximal degree in co-relation 92181. Up to 4336 conditions per place. [2021-12-06 22:30:02,679 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 641 selfloop transitions, 505 changer transitions 0/1257 dead transitions. [2021-12-06 22:30:02,679 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 463 places, 1257 transitions, 40515 flow [2021-12-06 22:30:02,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 22:30:02,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 22:30:02,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2820 transitions. [2021-12-06 22:30:02,681 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5708502024291497 [2021-12-06 22:30:02,681 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2820 transitions. [2021-12-06 22:30:02,682 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2820 transitions. [2021-12-06 22:30:02,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:30:02,682 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2820 transitions. [2021-12-06 22:30:02,684 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 141.0) internal successors, (2820), 20 states have internal predecessors, (2820), 0 states have call successors, (0), 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 22:30:02,687 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 22:30:02,687 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 22:30:02,687 INFO L186 Difference]: Start difference. First operand has 444 places, 1060 transitions, 34667 flow. Second operand 20 states and 2820 transitions. [2021-12-06 22:30:02,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 463 places, 1257 transitions, 40515 flow [2021-12-06 22:30:04,556 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 457 places, 1257 transitions, 40174 flow, removed 165 selfloop flow, removed 6 redundant places. [2021-12-06 22:30:04,588 INFO L242 Difference]: Finished difference. Result has 465 places, 1120 transitions, 38982 flow [2021-12-06 22:30:04,589 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=34340, PETRI_DIFFERENCE_MINUEND_PLACES=438, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1060, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=450, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=593, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=38982, PETRI_PLACES=465, PETRI_TRANSITIONS=1120} [2021-12-06 22:30:04,589 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 220 predicate places. [2021-12-06 22:30:04,589 INFO L470 AbstractCegarLoop]: Abstraction has has 465 places, 1120 transitions, 38982 flow [2021-12-06 22:30:04,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:30:04,589 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:30:04,590 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, 1, 1, 1, 1] [2021-12-06 22:30:04,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-12-06 22:30:04,590 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:30:04,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:30:04,590 INFO L85 PathProgramCache]: Analyzing trace with hash 727429124, now seen corresponding path program 17 times [2021-12-06 22:30:04,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:30:04,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285446637] [2021-12-06 22:30:04,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:30:04,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:30:04,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:05,171 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 22:30:05,171 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:30:05,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285446637] [2021-12-06 22:30:05,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285446637] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:30:05,171 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:30:05,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:30:05,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145677559] [2021-12-06 22:30:05,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:30:05,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:30:05,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:30:05,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:30:05,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:30:05,173 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:30:05,175 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 465 places, 1120 transitions, 38982 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:30:05,175 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:30:05,175 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:30:05,175 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:30:10,823 INFO L129 PetriNetUnfolder]: 3988/8128 cut-off events. [2021-12-06 22:30:10,823 INFO L130 PetriNetUnfolder]: For 544232/544358 co-relation queries the response was YES. [2021-12-06 22:30:10,905 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101471 conditions, 8128 events. 3988/8128 cut-off events. For 544232/544358 co-relation queries the response was YES. Maximal size of possible extension queue 346. Compared 59973 event pairs, 738 based on Foata normal form. 8/8047 useless extension candidates. Maximal degree in co-relation 101089. Up to 4386 conditions per place. [2021-12-06 22:30:10,960 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 659 selfloop transitions, 563 changer transitions 0/1333 dead transitions. [2021-12-06 22:30:10,961 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 484 places, 1333 transitions, 45873 flow [2021-12-06 22:30:10,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 22:30:10,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 22:30:10,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2818 transitions. [2021-12-06 22:30:10,963 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5704453441295546 [2021-12-06 22:30:10,964 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2818 transitions. [2021-12-06 22:30:10,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2818 transitions. [2021-12-06 22:30:10,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:30:10,964 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2818 transitions. [2021-12-06 22:30:10,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 140.9) internal successors, (2818), 20 states have internal predecessors, (2818), 0 states have call successors, (0), 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 22:30:10,969 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 22:30:10,969 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 22:30:10,969 INFO L186 Difference]: Start difference. First operand has 465 places, 1120 transitions, 38982 flow. Second operand 20 states and 2818 transitions. [2021-12-06 22:30:10,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 484 places, 1333 transitions, 45873 flow [2021-12-06 22:30:13,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 473 places, 1333 transitions, 45506 flow, removed 134 selfloop flow, removed 11 redundant places. [2021-12-06 22:30:13,416 INFO L242 Difference]: Finished difference. Result has 481 places, 1196 transitions, 43883 flow [2021-12-06 22:30:13,417 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=38657, PETRI_DIFFERENCE_MINUEND_PLACES=454, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=495, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=606, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=43883, PETRI_PLACES=481, PETRI_TRANSITIONS=1196} [2021-12-06 22:30:13,417 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 236 predicate places. [2021-12-06 22:30:13,417 INFO L470 AbstractCegarLoop]: Abstraction has has 481 places, 1196 transitions, 43883 flow [2021-12-06 22:30:13,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:30:13,417 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:30:13,418 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, 1, 1, 1, 1] [2021-12-06 22:30:13,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-12-06 22:30:13,418 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:30:13,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:30:13,418 INFO L85 PathProgramCache]: Analyzing trace with hash -2120071240, now seen corresponding path program 18 times [2021-12-06 22:30:13,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:30:13,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942758378] [2021-12-06 22:30:13,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:30:13,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:30:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:13,747 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 22:30:13,747 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:30:13,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942758378] [2021-12-06 22:30:13,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942758378] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:30:13,747 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:30:13,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:30:13,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368352180] [2021-12-06 22:30:13,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:30:13,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:30:13,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:30:13,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:30:13,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:30:13,750 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:30:13,751 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 481 places, 1196 transitions, 43883 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:30:13,751 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:30:13,751 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:30:13,751 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:30:19,719 INFO L129 PetriNetUnfolder]: 4055/7836 cut-off events. [2021-12-06 22:30:19,719 INFO L130 PetriNetUnfolder]: For 614138/614327 co-relation queries the response was YES. [2021-12-06 22:30:19,804 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107460 conditions, 7836 events. 4055/7836 cut-off events. For 614138/614327 co-relation queries the response was YES. Maximal size of possible extension queue 342. Compared 56092 event pairs, 256 based on Foata normal form. 14/7791 useless extension candidates. Maximal degree in co-relation 107070. Up to 4656 conditions per place. [2021-12-06 22:30:19,862 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 676 selfloop transitions, 572 changer transitions 0/1359 dead transitions. [2021-12-06 22:30:19,862 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 499 places, 1359 transitions, 48800 flow [2021-12-06 22:30:19,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-06 22:30:19,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-12-06 22:30:19,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2687 transitions. [2021-12-06 22:30:19,865 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.572554868953761 [2021-12-06 22:30:19,865 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2687 transitions. [2021-12-06 22:30:19,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2687 transitions. [2021-12-06 22:30:19,866 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:30:19,866 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2687 transitions. [2021-12-06 22:30:19,869 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 141.42105263157896) internal successors, (2687), 19 states have internal predecessors, (2687), 0 states have call successors, (0), 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 22:30:19,873 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 22:30:19,873 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 22:30:19,873 INFO L186 Difference]: Start difference. First operand has 481 places, 1196 transitions, 43883 flow. Second operand 19 states and 2687 transitions. [2021-12-06 22:30:19,873 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 499 places, 1359 transitions, 48800 flow [2021-12-06 22:30:22,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 491 places, 1359 transitions, 48252 flow, removed 256 selfloop flow, removed 8 redundant places. [2021-12-06 22:30:22,832 INFO L242 Difference]: Finished difference. Result has 496 places, 1227 transitions, 47258 flow [2021-12-06 22:30:22,833 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=43433, PETRI_DIFFERENCE_MINUEND_PLACES=473, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=542, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=639, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=47258, PETRI_PLACES=496, PETRI_TRANSITIONS=1227} [2021-12-06 22:30:22,833 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 251 predicate places. [2021-12-06 22:30:22,833 INFO L470 AbstractCegarLoop]: Abstraction has has 496 places, 1227 transitions, 47258 flow [2021-12-06 22:30:22,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:30:22,834 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:30:22,834 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, 1, 1, 1, 1] [2021-12-06 22:30:22,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-12-06 22:30:22,834 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:30:22,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:30:22,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1594927756, now seen corresponding path program 19 times [2021-12-06 22:30:22,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:30:22,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900025319] [2021-12-06 22:30:22,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:30:22,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:30:22,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:23,303 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 22:30:23,303 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:30:23,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900025319] [2021-12-06 22:30:23,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900025319] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:30:23,303 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:30:23,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:30:23,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905218626] [2021-12-06 22:30:23,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:30:23,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:30:23,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:30:23,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:30:23,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:30:23,305 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:30:23,306 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 496 places, 1227 transitions, 47258 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:30:23,307 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:30:23,307 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:30:23,307 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:30:29,613 INFO L129 PetriNetUnfolder]: 4185/8451 cut-off events. [2021-12-06 22:30:29,613 INFO L130 PetriNetUnfolder]: For 678060/678236 co-relation queries the response was YES. [2021-12-06 22:30:29,707 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114533 conditions, 8451 events. 4185/8451 cut-off events. For 678060/678236 co-relation queries the response was YES. Maximal size of possible extension queue 365. Compared 62770 event pairs, 776 based on Foata normal form. 10/8376 useless extension candidates. Maximal degree in co-relation 114138. Up to 4740 conditions per place. [2021-12-06 22:30:29,769 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 690 selfloop transitions, 594 changer transitions 0/1395 dead transitions. [2021-12-06 22:30:29,769 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 515 places, 1395 transitions, 52470 flow [2021-12-06 22:30:29,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 22:30:29,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 22:30:29,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2822 transitions. [2021-12-06 22:30:29,772 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.571255060728745 [2021-12-06 22:30:29,772 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2822 transitions. [2021-12-06 22:30:29,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2822 transitions. [2021-12-06 22:30:29,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:30:29,772 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2822 transitions. [2021-12-06 22:30:29,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 141.1) internal successors, (2822), 20 states have internal predecessors, (2822), 0 states have call successors, (0), 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 22:30:29,777 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 22:30:29,777 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 22:30:29,777 INFO L186 Difference]: Start difference. First operand has 496 places, 1227 transitions, 47258 flow. Second operand 20 states and 2822 transitions. [2021-12-06 22:30:29,777 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 515 places, 1395 transitions, 52470 flow [2021-12-06 22:30:33,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 502 places, 1395 transitions, 52202 flow, removed 32 selfloop flow, removed 13 redundant places. [2021-12-06 22:30:33,347 INFO L242 Difference]: Finished difference. Result has 508 places, 1263 transitions, 50319 flow [2021-12-06 22:30:33,348 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=47004, PETRI_DIFFERENCE_MINUEND_PLACES=483, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=562, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=651, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=50319, PETRI_PLACES=508, PETRI_TRANSITIONS=1263} [2021-12-06 22:30:33,348 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 263 predicate places. [2021-12-06 22:30:33,348 INFO L470 AbstractCegarLoop]: Abstraction has has 508 places, 1263 transitions, 50319 flow [2021-12-06 22:30:33,349 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:30:33,349 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:30:33,349 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, 1, 1, 1, 1] [2021-12-06 22:30:33,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-12-06 22:30:33,349 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:30:33,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:30:33,349 INFO L85 PathProgramCache]: Analyzing trace with hash -1489991590, now seen corresponding path program 20 times [2021-12-06 22:30:33,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:30:33,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647835080] [2021-12-06 22:30:33,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:30:33,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:30:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:33,798 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 22:30:33,799 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:30:33,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647835080] [2021-12-06 22:30:33,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647835080] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:30:33,799 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:30:33,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:30:33,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459746951] [2021-12-06 22:30:33,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:30:33,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:30:33,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:30:33,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:30:33,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:30:33,801 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:30:33,802 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 508 places, 1263 transitions, 50319 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:30:33,802 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:30:33,802 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:30:33,802 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:30:40,458 INFO L129 PetriNetUnfolder]: 4225/8555 cut-off events. [2021-12-06 22:30:40,458 INFO L130 PetriNetUnfolder]: For 724533/724659 co-relation queries the response was YES. [2021-12-06 22:30:40,557 INFO L84 FinitePrefix]: Finished finitePrefix Result has 118734 conditions, 8555 events. 4225/8555 cut-off events. For 724533/724659 co-relation queries the response was YES. Maximal size of possible extension queue 367. Compared 63532 event pairs, 804 based on Foata normal form. 8/8474 useless extension candidates. Maximal degree in co-relation 118333. Up to 4838 conditions per place. [2021-12-06 22:30:40,651 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 695 selfloop transitions, 604 changer transitions 0/1410 dead transitions. [2021-12-06 22:30:40,651 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 527 places, 1410 transitions, 54337 flow [2021-12-06 22:30:40,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 22:30:40,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 22:30:40,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2818 transitions. [2021-12-06 22:30:40,654 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5704453441295546 [2021-12-06 22:30:40,654 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2818 transitions. [2021-12-06 22:30:40,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2818 transitions. [2021-12-06 22:30:40,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:30:40,654 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2818 transitions. [2021-12-06 22:30:40,656 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 140.9) internal successors, (2818), 20 states have internal predecessors, (2818), 0 states have call successors, (0), 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 22:30:40,659 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 22:30:40,659 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 22:30:40,659 INFO L186 Difference]: Start difference. First operand has 508 places, 1263 transitions, 50319 flow. Second operand 20 states and 2818 transitions. [2021-12-06 22:30:40,659 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 527 places, 1410 transitions, 54337 flow [2021-12-06 22:30:44,193 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 516 places, 1410 transitions, 53932 flow, removed 128 selfloop flow, removed 11 redundant places. [2021-12-06 22:30:44,234 INFO L242 Difference]: Finished difference. Result has 520 places, 1279 transitions, 52565 flow [2021-12-06 22:30:44,235 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=49926, PETRI_DIFFERENCE_MINUEND_PLACES=497, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1263, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=591, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=666, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=52565, PETRI_PLACES=520, PETRI_TRANSITIONS=1279} [2021-12-06 22:30:44,235 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 275 predicate places. [2021-12-06 22:30:44,235 INFO L470 AbstractCegarLoop]: Abstraction has has 520 places, 1279 transitions, 52565 flow [2021-12-06 22:30:44,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:30:44,236 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:30:44,236 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, 1, 1, 1, 1] [2021-12-06 22:30:44,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-12-06 22:30:44,236 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:30:44,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:30:44,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1310991434, now seen corresponding path program 21 times [2021-12-06 22:30:44,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:30:44,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407079741] [2021-12-06 22:30:44,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:30:44,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:30:44,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:44,740 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 22:30:44,740 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:30:44,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407079741] [2021-12-06 22:30:44,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407079741] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:30:44,740 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:30:44,741 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:30:44,741 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646076874] [2021-12-06 22:30:44,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:30:44,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:30:44,741 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:30:44,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:30:44,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:30:44,743 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:30:44,744 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 520 places, 1279 transitions, 52565 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:30:44,744 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:30:44,744 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:30:44,744 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:30:51,525 INFO L129 PetriNetUnfolder]: 4223/8556 cut-off events. [2021-12-06 22:30:51,525 INFO L130 PetriNetUnfolder]: For 757744/757870 co-relation queries the response was YES. [2021-12-06 22:30:51,629 INFO L84 FinitePrefix]: Finished finitePrefix Result has 121504 conditions, 8556 events. 4223/8556 cut-off events. For 757744/757870 co-relation queries the response was YES. Maximal size of possible extension queue 366. Compared 63583 event pairs, 788 based on Foata normal form. 8/8475 useless extension candidates. Maximal degree in co-relation 121099. Up to 4734 conditions per place. [2021-12-06 22:30:51,718 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 688 selfloop transitions, 627 changer transitions 0/1426 dead transitions. [2021-12-06 22:30:51,718 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 539 places, 1426 transitions, 56752 flow [2021-12-06 22:30:51,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 22:30:51,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 22:30:51,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2818 transitions. [2021-12-06 22:30:51,722 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5704453441295546 [2021-12-06 22:30:51,722 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2818 transitions. [2021-12-06 22:30:51,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2818 transitions. [2021-12-06 22:30:51,723 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:30:51,723 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2818 transitions. [2021-12-06 22:30:51,727 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 140.9) internal successors, (2818), 20 states have internal predecessors, (2818), 0 states have call successors, (0), 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 22:30:51,730 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 22:30:51,731 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 22:30:51,731 INFO L186 Difference]: Start difference. First operand has 520 places, 1279 transitions, 52565 flow. Second operand 20 states and 2818 transitions. [2021-12-06 22:30:51,731 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 539 places, 1426 transitions, 56752 flow [2021-12-06 22:30:55,697 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 527 places, 1426 transitions, 56483 flow, removed 64 selfloop flow, removed 12 redundant places. [2021-12-06 22:30:55,739 INFO L242 Difference]: Finished difference. Result has 531 places, 1300 transitions, 54752 flow [2021-12-06 22:30:55,740 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=52297, PETRI_DIFFERENCE_MINUEND_PLACES=508, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=609, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=661, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=54752, PETRI_PLACES=531, PETRI_TRANSITIONS=1300} [2021-12-06 22:30:55,741 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 286 predicate places. [2021-12-06 22:30:55,741 INFO L470 AbstractCegarLoop]: Abstraction has has 531 places, 1300 transitions, 54752 flow [2021-12-06 22:30:55,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:30:55,742 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:30:55,742 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, 1, 1, 1, 1] [2021-12-06 22:30:55,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-12-06 22:30:55,742 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:30:55,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:30:55,743 INFO L85 PathProgramCache]: Analyzing trace with hash 76525154, now seen corresponding path program 22 times [2021-12-06 22:30:55,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:30:55,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142264383] [2021-12-06 22:30:55,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:30:55,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:30:55,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:56,086 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 22:30:56,087 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:30:56,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142264383] [2021-12-06 22:30:56,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142264383] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:30:56,087 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:30:56,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:30:56,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082226954] [2021-12-06 22:30:56,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:30:56,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:30:56,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:30:56,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:30:56,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:30:56,089 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:30:56,090 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 531 places, 1300 transitions, 54752 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:30:56,090 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:30:56,090 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:30:56,090 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:31:02,497 INFO L129 PetriNetUnfolder]: 4269/8612 cut-off events. [2021-12-06 22:31:02,497 INFO L130 PetriNetUnfolder]: For 809244/809420 co-relation queries the response was YES. [2021-12-06 22:31:02,625 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126027 conditions, 8612 events. 4269/8612 cut-off events. For 809244/809420 co-relation queries the response was YES. Maximal size of possible extension queue 371. Compared 64162 event pairs, 816 based on Foata normal form. 10/8537 useless extension candidates. Maximal degree in co-relation 125618. Up to 4928 conditions per place. [2021-12-06 22:31:02,691 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 724 selfloop transitions, 607 changer transitions 0/1442 dead transitions. [2021-12-06 22:31:02,691 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 549 places, 1442 transitions, 59177 flow [2021-12-06 22:31:02,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-06 22:31:02,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-12-06 22:31:02,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2682 transitions. [2021-12-06 22:31:02,694 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.571489452375879 [2021-12-06 22:31:02,695 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2682 transitions. [2021-12-06 22:31:02,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2682 transitions. [2021-12-06 22:31:02,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:31:02,695 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2682 transitions. [2021-12-06 22:31:02,698 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 141.1578947368421) internal successors, (2682), 19 states have internal predecessors, (2682), 0 states have call successors, (0), 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 22:31:02,701 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 22:31:02,702 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 22:31:02,702 INFO L186 Difference]: Start difference. First operand has 531 places, 1300 transitions, 54752 flow. Second operand 19 states and 2682 transitions. [2021-12-06 22:31:02,702 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 549 places, 1442 transitions, 59177 flow [2021-12-06 22:31:06,895 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 538 places, 1442 transitions, 58704 flow, removed 187 selfloop flow, removed 11 redundant places. [2021-12-06 22:31:06,939 INFO L242 Difference]: Finished difference. Result has 543 places, 1319 transitions, 57386 flow [2021-12-06 22:31:06,940 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=54279, PETRI_DIFFERENCE_MINUEND_PLACES=520, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=588, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=700, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=57386, PETRI_PLACES=543, PETRI_TRANSITIONS=1319} [2021-12-06 22:31:06,941 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 298 predicate places. [2021-12-06 22:31:06,941 INFO L470 AbstractCegarLoop]: Abstraction has has 543 places, 1319 transitions, 57386 flow [2021-12-06 22:31:06,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:31:06,941 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:31:06,941 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, 1, 1, 1, 1] [2021-12-06 22:31:06,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-12-06 22:31:06,941 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:31:06,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:31:06,942 INFO L85 PathProgramCache]: Analyzing trace with hash 706604804, now seen corresponding path program 23 times [2021-12-06 22:31:06,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:31:06,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814077836] [2021-12-06 22:31:06,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:31:06,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:31:06,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:07,351 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 22:31:07,351 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:31:07,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814077836] [2021-12-06 22:31:07,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814077836] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:31:07,351 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:31:07,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:31:07,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038963981] [2021-12-06 22:31:07,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:31:07,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:31:07,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:31:07,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:31:07,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:31:07,354 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:31:07,355 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 543 places, 1319 transitions, 57386 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:31:07,355 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:31:07,355 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:31:07,355 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:31:14,434 INFO L129 PetriNetUnfolder]: 4273/8317 cut-off events. [2021-12-06 22:31:14,434 INFO L130 PetriNetUnfolder]: For 870412/870664 co-relation queries the response was YES. [2021-12-06 22:31:14,555 INFO L84 FinitePrefix]: Finished finitePrefix Result has 128893 conditions, 8317 events. 4273/8317 cut-off events. For 870412/870664 co-relation queries the response was YES. Maximal size of possible extension queue 366. Compared 60625 event pairs, 310 based on Foata normal form. 10/8255 useless extension candidates. Maximal degree in co-relation 128479. Up to 4898 conditions per place. [2021-12-06 22:31:14,622 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 729 selfloop transitions, 623 changer transitions 0/1463 dead transitions. [2021-12-06 22:31:14,622 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 562 places, 1463 transitions, 61828 flow [2021-12-06 22:31:14,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 22:31:14,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 22:31:14,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2817 transitions. [2021-12-06 22:31:14,624 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5702429149797571 [2021-12-06 22:31:14,624 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2817 transitions. [2021-12-06 22:31:14,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2817 transitions. [2021-12-06 22:31:14,625 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:31:14,625 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2817 transitions. [2021-12-06 22:31:14,627 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 140.85) internal successors, (2817), 20 states have internal predecessors, (2817), 0 states have call successors, (0), 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 22:31:14,629 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 22:31:14,629 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 22:31:14,629 INFO L186 Difference]: Start difference. First operand has 543 places, 1319 transitions, 57386 flow. Second operand 20 states and 2817 transitions. [2021-12-06 22:31:14,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 562 places, 1463 transitions, 61828 flow [2021-12-06 22:31:19,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 551 places, 1463 transitions, 61227 flow, removed 236 selfloop flow, removed 11 redundant places. [2021-12-06 22:31:19,724 INFO L242 Difference]: Finished difference. Result has 555 places, 1339 transitions, 59431 flow [2021-12-06 22:31:19,725 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=56915, PETRI_DIFFERENCE_MINUEND_PLACES=532, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1319, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=606, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=705, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=59431, PETRI_PLACES=555, PETRI_TRANSITIONS=1339} [2021-12-06 22:31:19,725 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 310 predicate places. [2021-12-06 22:31:19,725 INFO L470 AbstractCegarLoop]: Abstraction has has 555 places, 1339 transitions, 59431 flow [2021-12-06 22:31:19,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:31:19,725 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:31:19,726 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, 1, 1, 1, 1] [2021-12-06 22:31:19,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-12-06 22:31:19,726 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:31:19,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:31:19,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1683520098, now seen corresponding path program 24 times [2021-12-06 22:31:19,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:31:19,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630393451] [2021-12-06 22:31:19,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:31:19,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:31:19,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:20,234 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 22:31:20,234 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:31:20,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630393451] [2021-12-06 22:31:20,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630393451] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:31:20,234 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:31:20,234 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:31:20,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129039821] [2021-12-06 22:31:20,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:31:20,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:31:20,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:31:20,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:31:20,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:31:20,237 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:31:20,238 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 555 places, 1339 transitions, 59431 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:31:20,238 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:31:20,238 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:31:20,238 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:31:27,495 INFO L129 PetriNetUnfolder]: 4425/8545 cut-off events. [2021-12-06 22:31:27,495 INFO L130 PetriNetUnfolder]: For 929433/929622 co-relation queries the response was YES. [2021-12-06 22:31:27,620 INFO L84 FinitePrefix]: Finished finitePrefix Result has 135099 conditions, 8545 events. 4425/8545 cut-off events. For 929433/929622 co-relation queries the response was YES. Maximal size of possible extension queue 384. Compared 62461 event pairs, 481 based on Foata normal form. 11/8511 useless extension candidates. Maximal degree in co-relation 134681. Up to 4758 conditions per place. [2021-12-06 22:31:27,691 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 709 selfloop transitions, 722 changer transitions 0/1542 dead transitions. [2021-12-06 22:31:27,691 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 574 places, 1542 transitions, 66205 flow [2021-12-06 22:31:27,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 22:31:27,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 22:31:27,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2814 transitions. [2021-12-06 22:31:27,693 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5696356275303643 [2021-12-06 22:31:27,693 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2814 transitions. [2021-12-06 22:31:27,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2814 transitions. [2021-12-06 22:31:27,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:31:27,694 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2814 transitions. [2021-12-06 22:31:27,695 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 140.7) internal successors, (2814), 20 states have internal predecessors, (2814), 0 states have call successors, (0), 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 22:31:27,697 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 22:31:27,698 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 22:31:27,698 INFO L186 Difference]: Start difference. First operand has 555 places, 1339 transitions, 59431 flow. Second operand 20 states and 2814 transitions. [2021-12-06 22:31:27,698 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 574 places, 1542 transitions, 66205 flow [2021-12-06 22:31:33,503 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 562 places, 1542 transitions, 65935 flow, removed 33 selfloop flow, removed 12 redundant places. [2021-12-06 22:31:33,550 INFO L242 Difference]: Finished difference. Result has 569 places, 1414 transitions, 64036 flow [2021-12-06 22:31:33,551 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=59161, PETRI_DIFFERENCE_MINUEND_PLACES=543, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1339, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=651, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=672, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=64036, PETRI_PLACES=569, PETRI_TRANSITIONS=1414} [2021-12-06 22:31:33,552 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 324 predicate places. [2021-12-06 22:31:33,552 INFO L470 AbstractCegarLoop]: Abstraction has has 569 places, 1414 transitions, 64036 flow [2021-12-06 22:31:33,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:31:33,552 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:31:33,552 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, 1, 1, 1, 1] [2021-12-06 22:31:33,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-12-06 22:31:33,552 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:31:33,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:31:33,553 INFO L85 PathProgramCache]: Analyzing trace with hash -217630872, now seen corresponding path program 25 times [2021-12-06 22:31:33,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:31:33,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129523044] [2021-12-06 22:31:33,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:31:33,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:31:33,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:33,972 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 22:31:33,973 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:31:33,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129523044] [2021-12-06 22:31:33,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129523044] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:31:33,973 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:31:33,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:31:33,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56856733] [2021-12-06 22:31:33,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:31:33,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:31:33,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:31:33,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:31:33,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:31:33,975 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:31:33,976 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 569 places, 1414 transitions, 64036 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:31:33,976 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:31:33,976 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:31:33,976 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:31:41,896 INFO L129 PetriNetUnfolder]: 4534/8944 cut-off events. [2021-12-06 22:31:41,896 INFO L130 PetriNetUnfolder]: For 1008640/1008898 co-relation queries the response was YES. [2021-12-06 22:31:42,041 INFO L84 FinitePrefix]: Finished finitePrefix Result has 143316 conditions, 8944 events. 4534/8944 cut-off events. For 1008640/1008898 co-relation queries the response was YES. Maximal size of possible extension queue 406. Compared 66872 event pairs, 660 based on Foata normal form. 11/8910 useless extension candidates. Maximal degree in co-relation 142891. Up to 5102 conditions per place. [2021-12-06 22:31:42,139 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 741 selfloop transitions, 723 changer transitions 0/1575 dead transitions. [2021-12-06 22:31:42,139 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 587 places, 1575 transitions, 70154 flow [2021-12-06 22:31:42,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-06 22:31:42,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-12-06 22:31:42,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2686 transitions. [2021-12-06 22:31:42,142 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5723417856381845 [2021-12-06 22:31:42,142 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2686 transitions. [2021-12-06 22:31:42,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2686 transitions. [2021-12-06 22:31:42,143 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:31:42,143 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2686 transitions. [2021-12-06 22:31:42,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 141.3684210526316) internal successors, (2686), 19 states have internal predecessors, (2686), 0 states have call successors, (0), 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 22:31:42,148 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 22:31:42,148 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 22:31:42,148 INFO L186 Difference]: Start difference. First operand has 569 places, 1414 transitions, 64036 flow. Second operand 19 states and 2686 transitions. [2021-12-06 22:31:42,148 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 587 places, 1575 transitions, 70154 flow [2021-12-06 22:31:47,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 578 places, 1575 transitions, 69307 flow, removed 325 selfloop flow, removed 9 redundant places. [2021-12-06 22:31:47,948 INFO L242 Difference]: Finished difference. Result has 583 places, 1455 transitions, 68054 flow [2021-12-06 22:31:47,949 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=63347, PETRI_DIFFERENCE_MINUEND_PLACES=560, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1414, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=684, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=716, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=68054, PETRI_PLACES=583, PETRI_TRANSITIONS=1455} [2021-12-06 22:31:47,950 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 338 predicate places. [2021-12-06 22:31:47,950 INFO L470 AbstractCegarLoop]: Abstraction has has 583 places, 1455 transitions, 68054 flow [2021-12-06 22:31:47,950 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:31:47,950 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:31:47,950 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, 1, 1, 1, 1] [2021-12-06 22:31:47,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-12-06 22:31:47,950 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:31:47,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:31:47,951 INFO L85 PathProgramCache]: Analyzing trace with hash 683815016, now seen corresponding path program 26 times [2021-12-06 22:31:47,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:31:47,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080068848] [2021-12-06 22:31:47,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:31:47,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:31:47,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:48,305 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 22:31:48,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:31:48,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080068848] [2021-12-06 22:31:48,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080068848] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:31:48,306 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:31:48,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:31:48,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577020304] [2021-12-06 22:31:48,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:31:48,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:31:48,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:31:48,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:31:48,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:31:48,308 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:31:48,309 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 583 places, 1455 transitions, 68054 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:31:48,309 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:31:48,309 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:31:48,309 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:31:56,143 INFO L129 PetriNetUnfolder]: 4586/9252 cut-off events. [2021-12-06 22:31:56,143 INFO L130 PetriNetUnfolder]: For 1085607/1085796 co-relation queries the response was YES. [2021-12-06 22:31:56,273 INFO L84 FinitePrefix]: Finished finitePrefix Result has 147999 conditions, 9252 events. 4586/9252 cut-off events. For 1085607/1085796 co-relation queries the response was YES. Maximal size of possible extension queue 409. Compared 70124 event pairs, 865 based on Foata normal form. 8/9175 useless extension candidates. Maximal degree in co-relation 147569. Up to 5158 conditions per place. [2021-12-06 22:31:56,350 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 741 selfloop transitions, 747 changer transitions 0/1599 dead transitions. [2021-12-06 22:31:56,350 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 601 places, 1599 transitions, 72950 flow [2021-12-06 22:31:56,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-06 22:31:56,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-12-06 22:31:56,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2683 transitions. [2021-12-06 22:31:56,352 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5717025356914553 [2021-12-06 22:31:56,352 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2683 transitions. [2021-12-06 22:31:56,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2683 transitions. [2021-12-06 22:31:56,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:31:56,353 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2683 transitions. [2021-12-06 22:31:56,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 141.21052631578948) internal successors, (2683), 19 states have internal predecessors, (2683), 0 states have call successors, (0), 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 22:31:56,356 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 22:31:56,357 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 22:31:56,357 INFO L186 Difference]: Start difference. First operand has 583 places, 1455 transitions, 68054 flow. Second operand 19 states and 2683 transitions. [2021-12-06 22:31:56,357 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 601 places, 1599 transitions, 72950 flow [2021-12-06 22:32:01,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 589 places, 1599 transitions, 72584 flow, removed 31 selfloop flow, removed 12 redundant places. [2021-12-06 22:32:01,684 INFO L242 Difference]: Finished difference. Result has 593 places, 1478 transitions, 71316 flow [2021-12-06 22:32:01,685 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=67698, PETRI_DIFFERENCE_MINUEND_PLACES=571, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1455, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=724, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=716, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=71316, PETRI_PLACES=593, PETRI_TRANSITIONS=1478} [2021-12-06 22:32:01,685 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 348 predicate places. [2021-12-06 22:32:01,686 INFO L470 AbstractCegarLoop]: Abstraction has has 593 places, 1478 transitions, 71316 flow [2021-12-06 22:32:01,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:32:01,686 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:32:01,686 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, 1, 1, 1, 1] [2021-12-06 22:32:01,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-12-06 22:32:01,686 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:32:01,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:32:01,687 INFO L85 PathProgramCache]: Analyzing trace with hash -678107060, now seen corresponding path program 27 times [2021-12-06 22:32:01,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:32:01,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210899379] [2021-12-06 22:32:01,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:32:01,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:32:01,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:02,171 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 22:32:02,171 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:32:02,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210899379] [2021-12-06 22:32:02,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210899379] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:32:02,171 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:32:02,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:32:02,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962297684] [2021-12-06 22:32:02,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:32:02,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:32:02,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:32:02,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:32:02,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:32:02,174 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:32:02,174 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 593 places, 1478 transitions, 71316 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:32:02,175 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:32:02,175 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:32:02,175 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:32:10,870 INFO L129 PetriNetUnfolder]: 4779/9369 cut-off events. [2021-12-06 22:32:10,870 INFO L130 PetriNetUnfolder]: For 1166930/1167188 co-relation queries the response was YES. [2021-12-06 22:32:11,004 INFO L84 FinitePrefix]: Finished finitePrefix Result has 156959 conditions, 9369 events. 4779/9369 cut-off events. For 1166930/1167188 co-relation queries the response was YES. Maximal size of possible extension queue 427. Compared 70361 event pairs, 664 based on Foata normal form. 11/9336 useless extension candidates. Maximal degree in co-relation 156525. Up to 5248 conditions per place. [2021-12-06 22:32:11,083 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 754 selfloop transitions, 789 changer transitions 0/1654 dead transitions. [2021-12-06 22:32:11,083 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 612 places, 1654 transitions, 78017 flow [2021-12-06 22:32:11,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 22:32:11,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 22:32:11,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2818 transitions. [2021-12-06 22:32:11,086 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5704453441295546 [2021-12-06 22:32:11,086 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2818 transitions. [2021-12-06 22:32:11,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2818 transitions. [2021-12-06 22:32:11,086 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:32:11,087 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2818 transitions. [2021-12-06 22:32:11,088 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 140.9) internal successors, (2818), 20 states have internal predecessors, (2818), 0 states have call successors, (0), 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 22:32:11,090 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 22:32:11,091 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 22:32:11,091 INFO L186 Difference]: Start difference. First operand has 593 places, 1478 transitions, 71316 flow. Second operand 20 states and 2818 transitions. [2021-12-06 22:32:11,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 612 places, 1654 transitions, 78017 flow [2021-12-06 22:32:17,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 602 places, 1654 transitions, 77918 flow, removed 12 selfloop flow, removed 10 redundant places. [2021-12-06 22:32:17,661 INFO L242 Difference]: Finished difference. Result has 608 places, 1531 transitions, 75988 flow [2021-12-06 22:32:17,662 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=71218, PETRI_DIFFERENCE_MINUEND_PLACES=583, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1478, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=742, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=724, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=75988, PETRI_PLACES=608, PETRI_TRANSITIONS=1531} [2021-12-06 22:32:17,662 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 363 predicate places. [2021-12-06 22:32:17,662 INFO L470 AbstractCegarLoop]: Abstraction has has 608 places, 1531 transitions, 75988 flow [2021-12-06 22:32:17,663 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:32:17,663 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:32:17,663 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, 1, 1, 1, 1] [2021-12-06 22:32:17,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-12-06 22:32:17,663 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:32:17,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:32:17,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1700268780, now seen corresponding path program 28 times [2021-12-06 22:32:17,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:32:17,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133951943] [2021-12-06 22:32:17,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:32:17,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:32:17,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:18,141 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 22:32:18,141 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:32:18,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133951943] [2021-12-06 22:32:18,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133951943] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:32:18,141 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:32:18,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:32:18,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434206665] [2021-12-06 22:32:18,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:32:18,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:32:18,142 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:32:18,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:32:18,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:32:18,144 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:32:18,145 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 608 places, 1531 transitions, 75988 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:32:18,145 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:32:18,145 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:32:18,145 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:32:27,317 INFO L129 PetriNetUnfolder]: 4924/9846 cut-off events. [2021-12-06 22:32:27,317 INFO L130 PetriNetUnfolder]: For 1274219/1274408 co-relation queries the response was YES. [2021-12-06 22:32:27,483 INFO L84 FinitePrefix]: Finished finitePrefix Result has 166473 conditions, 9846 events. 4924/9846 cut-off events. For 1274219/1274408 co-relation queries the response was YES. Maximal size of possible extension queue 445. Compared 75065 event pairs, 953 based on Foata normal form. 8/9769 useless extension candidates. Maximal degree in co-relation 166033. Up to 5426 conditions per place. [2021-12-06 22:32:27,570 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 781 selfloop transitions, 800 changer transitions 0/1692 dead transitions. [2021-12-06 22:32:27,570 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 627 places, 1692 transitions, 82346 flow [2021-12-06 22:32:27,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 22:32:27,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 22:32:27,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2821 transitions. [2021-12-06 22:32:27,572 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5710526315789474 [2021-12-06 22:32:27,572 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2821 transitions. [2021-12-06 22:32:27,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2821 transitions. [2021-12-06 22:32:27,573 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:32:27,573 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2821 transitions. [2021-12-06 22:32:27,574 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 141.05) internal successors, (2821), 20 states have internal predecessors, (2821), 0 states have call successors, (0), 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 22:32:27,576 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 22:32:27,577 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 22:32:27,577 INFO L186 Difference]: Start difference. First operand has 608 places, 1531 transitions, 75988 flow. Second operand 20 states and 2821 transitions. [2021-12-06 22:32:27,577 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 627 places, 1692 transitions, 82346 flow [2021-12-06 22:32:34,316 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 617 places, 1692 transitions, 81833 flow, removed 142 selfloop flow, removed 10 redundant places. [2021-12-06 22:32:34,374 INFO L242 Difference]: Finished difference. Result has 624 places, 1571 transitions, 79899 flow [2021-12-06 22:32:34,376 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=75493, PETRI_DIFFERENCE_MINUEND_PLACES=598, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1531, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=764, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=751, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=79899, PETRI_PLACES=624, PETRI_TRANSITIONS=1571} [2021-12-06 22:32:34,376 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 379 predicate places. [2021-12-06 22:32:34,376 INFO L470 AbstractCegarLoop]: Abstraction has has 624 places, 1571 transitions, 79899 flow [2021-12-06 22:32:34,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:32:34,376 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:32:34,377 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, 1, 1, 1, 1] [2021-12-06 22:32:34,377 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-12-06 22:32:34,377 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:32:34,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:32:34,377 INFO L85 PathProgramCache]: Analyzing trace with hash 8805588, now seen corresponding path program 29 times [2021-12-06 22:32:34,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:32:34,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94345027] [2021-12-06 22:32:34,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:32:34,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:32:34,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:34,792 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 22:32:34,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:32:34,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94345027] [2021-12-06 22:32:34,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94345027] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:32:34,793 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:32:34,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:32:34,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275008157] [2021-12-06 22:32:34,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:32:34,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:32:34,793 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:32:34,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:32:34,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:32:34,795 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:32:34,796 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 624 places, 1571 transitions, 79899 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:32:34,796 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:32:34,796 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:32:34,796 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:32:43,986 INFO L129 PetriNetUnfolder]: 4964/9702 cut-off events. [2021-12-06 22:32:43,986 INFO L130 PetriNetUnfolder]: For 1342069/1342327 co-relation queries the response was YES. [2021-12-06 22:32:44,148 INFO L84 FinitePrefix]: Finished finitePrefix Result has 171012 conditions, 9702 events. 4964/9702 cut-off events. For 1342069/1342327 co-relation queries the response was YES. Maximal size of possible extension queue 444. Compared 73331 event pairs, 642 based on Foata normal form. 11/9669 useless extension candidates. Maximal degree in co-relation 170565. Up to 5556 conditions per place. [2021-12-06 22:32:44,299 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 787 selfloop transitions, 813 changer transitions 0/1711 dead transitions. [2021-12-06 22:32:44,299 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 643 places, 1711 transitions, 84674 flow [2021-12-06 22:32:44,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 22:32:44,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 22:32:44,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2814 transitions. [2021-12-06 22:32:44,301 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5696356275303643 [2021-12-06 22:32:44,301 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2814 transitions. [2021-12-06 22:32:44,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2814 transitions. [2021-12-06 22:32:44,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:32:44,302 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2814 transitions. [2021-12-06 22:32:44,304 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 140.7) internal successors, (2814), 20 states have internal predecessors, (2814), 0 states have call successors, (0), 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 22:32:44,306 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 22:32:44,306 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 22:32:44,306 INFO L186 Difference]: Start difference. First operand has 624 places, 1571 transitions, 79899 flow. Second operand 20 states and 2814 transitions. [2021-12-06 22:32:44,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 643 places, 1711 transitions, 84674 flow [2021-12-06 22:32:51,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 633 places, 1711 transitions, 84160 flow, removed 121 selfloop flow, removed 10 redundant places. [2021-12-06 22:32:51,871 INFO L242 Difference]: Finished difference. Result has 637 places, 1587 transitions, 82791 flow [2021-12-06 22:32:51,873 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=79401, PETRI_DIFFERENCE_MINUEND_PLACES=614, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1571, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=800, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=765, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=82791, PETRI_PLACES=637, PETRI_TRANSITIONS=1587} [2021-12-06 22:32:51,873 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 392 predicate places. [2021-12-06 22:32:51,873 INFO L470 AbstractCegarLoop]: Abstraction has has 637 places, 1587 transitions, 82791 flow [2021-12-06 22:32:51,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:32:51,874 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:32:51,874 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, 1, 1, 1, 1] [2021-12-06 22:32:51,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-12-06 22:32:51,874 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:32:51,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:32:51,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1722147128, now seen corresponding path program 30 times [2021-12-06 22:32:51,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:32:51,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25837778] [2021-12-06 22:32:51,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:32:51,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:32:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:52,273 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 22:32:52,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:32:52,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25837778] [2021-12-06 22:32:52,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25837778] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:32:52,274 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:32:52,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:32:52,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989661290] [2021-12-06 22:32:52,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:32:52,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:32:52,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:32:52,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:32:52,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:32:52,276 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:32:52,277 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 637 places, 1587 transitions, 82791 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:32:52,277 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:32:52,277 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:32:52,277 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:33:01,987 INFO L129 PetriNetUnfolder]: 5010/9788 cut-off events. [2021-12-06 22:33:01,987 INFO L130 PetriNetUnfolder]: For 1401640/1401898 co-relation queries the response was YES. [2021-12-06 22:33:02,150 INFO L84 FinitePrefix]: Finished finitePrefix Result has 176163 conditions, 9788 events. 5010/9788 cut-off events. For 1401640/1401898 co-relation queries the response was YES. Maximal size of possible extension queue 448. Compared 74030 event pairs, 720 based on Foata normal form. 11/9754 useless extension candidates. Maximal degree in co-relation 175712. Up to 5662 conditions per place. [2021-12-06 22:33:02,243 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 809 selfloop transitions, 807 changer transitions 0/1727 dead transitions. [2021-12-06 22:33:02,243 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 656 places, 1727 transitions, 88037 flow [2021-12-06 22:33:02,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 22:33:02,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 22:33:02,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2822 transitions. [2021-12-06 22:33:02,245 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.571255060728745 [2021-12-06 22:33:02,245 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2822 transitions. [2021-12-06 22:33:02,246 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2822 transitions. [2021-12-06 22:33:02,246 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:33:02,246 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2822 transitions. [2021-12-06 22:33:02,248 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 141.1) internal successors, (2822), 20 states have internal predecessors, (2822), 0 states have call successors, (0), 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 22:33:02,250 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 22:33:02,250 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 22:33:02,250 INFO L186 Difference]: Start difference. First operand has 637 places, 1587 transitions, 82791 flow. Second operand 20 states and 2822 transitions. [2021-12-06 22:33:02,250 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 656 places, 1727 transitions, 88037 flow [2021-12-06 22:33:11,136 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 642 places, 1727 transitions, 87478 flow, removed 73 selfloop flow, removed 14 redundant places. [2021-12-06 22:33:11,195 INFO L242 Difference]: Finished difference. Result has 648 places, 1613 transitions, 86336 flow [2021-12-06 22:33:11,196 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=82241, PETRI_DIFFERENCE_MINUEND_PLACES=623, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1587, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=786, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=790, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=86336, PETRI_PLACES=648, PETRI_TRANSITIONS=1613} [2021-12-06 22:33:11,197 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 403 predicate places. [2021-12-06 22:33:11,197 INFO L470 AbstractCegarLoop]: Abstraction has has 648 places, 1613 transitions, 86336 flow [2021-12-06 22:33:11,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:33:11,197 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:33:11,197 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, 1, 1, 1, 1] [2021-12-06 22:33:11,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-12-06 22:33:11,197 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:33:11,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:33:11,198 INFO L85 PathProgramCache]: Analyzing trace with hash 391892988, now seen corresponding path program 31 times [2021-12-06 22:33:11,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:33:11,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119611259] [2021-12-06 22:33:11,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:33:11,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:33:11,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:11,617 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 22:33:11,617 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:33:11,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119611259] [2021-12-06 22:33:11,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119611259] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:33:11,617 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:33:11,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:33:11,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700062473] [2021-12-06 22:33:11,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:33:11,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:33:11,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:33:11,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:33:11,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:33:11,620 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:33:11,620 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 648 places, 1613 transitions, 86336 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:33:11,620 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:33:11,621 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:33:11,621 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:33:20,956 INFO L129 PetriNetUnfolder]: 5008/9802 cut-off events. [2021-12-06 22:33:20,956 INFO L130 PetriNetUnfolder]: For 1496447/1496705 co-relation queries the response was YES. [2021-12-06 22:33:21,122 INFO L84 FinitePrefix]: Finished finitePrefix Result has 179492 conditions, 9802 events. 5008/9802 cut-off events. For 1496447/1496705 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 74348 event pairs, 706 based on Foata normal form. 11/9769 useless extension candidates. Maximal degree in co-relation 179035. Up to 5632 conditions per place. [2021-12-06 22:33:21,277 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 818 selfloop transitions, 814 changer transitions 0/1743 dead transitions. [2021-12-06 22:33:21,277 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 667 places, 1743 transitions, 90945 flow [2021-12-06 22:33:21,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 22:33:21,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 22:33:21,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2817 transitions. [2021-12-06 22:33:21,279 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5702429149797571 [2021-12-06 22:33:21,279 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2817 transitions. [2021-12-06 22:33:21,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2817 transitions. [2021-12-06 22:33:21,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:33:21,279 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2817 transitions. [2021-12-06 22:33:21,281 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 140.85) internal successors, (2817), 20 states have internal predecessors, (2817), 0 states have call successors, (0), 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 22:33:21,283 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 22:33:21,283 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 22:33:21,283 INFO L186 Difference]: Start difference. First operand has 648 places, 1613 transitions, 86336 flow. Second operand 20 states and 2817 transitions. [2021-12-06 22:33:21,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 667 places, 1743 transitions, 90945 flow [2021-12-06 22:33:30,946 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 656 places, 1743 transitions, 90161 flow, removed 224 selfloop flow, removed 11 redundant places. [2021-12-06 22:33:31,006 INFO L242 Difference]: Finished difference. Result has 659 places, 1628 transitions, 88157 flow [2021-12-06 22:33:31,008 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=85660, PETRI_DIFFERENCE_MINUEND_PLACES=637, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1613, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=802, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=806, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=88157, PETRI_PLACES=659, PETRI_TRANSITIONS=1628} [2021-12-06 22:33:31,008 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 414 predicate places. [2021-12-06 22:33:31,008 INFO L470 AbstractCegarLoop]: Abstraction has has 659 places, 1628 transitions, 88157 flow [2021-12-06 22:33:31,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:33:31,008 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:33:31,008 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, 1, 1, 1, 1] [2021-12-06 22:33:31,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-12-06 22:33:31,009 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:33:31,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:33:31,009 INFO L85 PathProgramCache]: Analyzing trace with hash 911936074, now seen corresponding path program 32 times [2021-12-06 22:33:31,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:33:31,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585765804] [2021-12-06 22:33:31,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:33:31,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:33:31,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:31,344 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 22:33:31,344 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:33:31,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585765804] [2021-12-06 22:33:31,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585765804] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:33:31,345 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:33:31,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:33:31,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021030712] [2021-12-06 22:33:31,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:33:31,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:33:31,345 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:33:31,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:33:31,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:33:31,348 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:33:31,349 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 659 places, 1628 transitions, 88157 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:33:31,349 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:33:31,349 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:33:31,349 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:33:41,382 INFO L129 PetriNetUnfolder]: 5117/10204 cut-off events. [2021-12-06 22:33:41,383 INFO L130 PetriNetUnfolder]: For 1564003/1564192 co-relation queries the response was YES. [2021-12-06 22:33:41,553 INFO L84 FinitePrefix]: Finished finitePrefix Result has 187043 conditions, 10204 events. 5117/10204 cut-off events. For 1564003/1564192 co-relation queries the response was YES. Maximal size of possible extension queue 462. Compared 78313 event pairs, 980 based on Foata normal form. 8/10127 useless extension candidates. Maximal degree in co-relation 186583. Up to 5784 conditions per place. [2021-12-06 22:33:41,647 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 847 selfloop transitions, 834 changer transitions 0/1792 dead transitions. [2021-12-06 22:33:41,647 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 677 places, 1792 transitions, 95310 flow [2021-12-06 22:33:41,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-06 22:33:41,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-12-06 22:33:41,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2688 transitions. [2021-12-06 22:33:41,649 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5727679522693373 [2021-12-06 22:33:41,649 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2688 transitions. [2021-12-06 22:33:41,649 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2688 transitions. [2021-12-06 22:33:41,650 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:33:41,650 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2688 transitions. [2021-12-06 22:33:41,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 141.47368421052633) internal successors, (2688), 19 states have internal predecessors, (2688), 0 states have call successors, (0), 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 22:33:41,653 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 22:33:41,654 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 22:33:41,654 INFO L186 Difference]: Start difference. First operand has 659 places, 1628 transitions, 88157 flow. Second operand 19 states and 2688 transitions. [2021-12-06 22:33:41,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 677 places, 1792 transitions, 95310 flow [2021-12-06 22:33:51,184 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 665 places, 1792 transitions, 94895 flow, removed 36 selfloop flow, removed 12 redundant places. [2021-12-06 22:33:51,248 INFO L242 Difference]: Finished difference. Result has 670 places, 1669 transitions, 93321 flow [2021-12-06 22:33:51,249 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=87758, PETRI_DIFFERENCE_MINUEND_PLACES=647, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1628, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=795, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=819, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=93321, PETRI_PLACES=670, PETRI_TRANSITIONS=1669} [2021-12-06 22:33:51,250 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 425 predicate places. [2021-12-06 22:33:51,250 INFO L470 AbstractCegarLoop]: Abstraction has has 670 places, 1669 transitions, 93321 flow [2021-12-06 22:33:51,250 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:33:51,250 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:33:51,250 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, 1, 1, 1, 1] [2021-12-06 22:33:51,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-12-06 22:33:51,250 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:33:51,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:33:51,251 INFO L85 PathProgramCache]: Analyzing trace with hash 519599482, now seen corresponding path program 33 times [2021-12-06 22:33:51,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:33:51,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714668285] [2021-12-06 22:33:51,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:33:51,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:33:51,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:51,730 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 22:33:51,731 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:33:51,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714668285] [2021-12-06 22:33:51,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714668285] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:33:51,731 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:33:51,731 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:33:51,731 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797348961] [2021-12-06 22:33:51,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:33:51,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:33:51,731 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:33:51,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:33:51,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:33:51,733 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:33:51,734 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 670 places, 1669 transitions, 93321 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:33:51,734 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:33:51,734 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:33:51,734 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:34:02,442 INFO L129 PetriNetUnfolder]: 5191/10137 cut-off events. [2021-12-06 22:34:02,443 INFO L130 PetriNetUnfolder]: For 1668188/1668446 co-relation queries the response was YES. [2021-12-06 22:34:02,625 INFO L84 FinitePrefix]: Finished finitePrefix Result has 193413 conditions, 10137 events. 5191/10137 cut-off events. For 1668188/1668446 co-relation queries the response was YES. Maximal size of possible extension queue 469. Compared 77179 event pairs, 656 based on Foata normal form. 11/10103 useless extension candidates. Maximal degree in co-relation 192948. Up to 5624 conditions per place. [2021-12-06 22:34:02,717 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 819 selfloop transitions, 891 changer transitions 0/1821 dead transitions. [2021-12-06 22:34:02,718 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 689 places, 1821 transitions, 99333 flow [2021-12-06 22:34:02,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 22:34:02,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 22:34:02,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2815 transitions. [2021-12-06 22:34:02,720 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.569838056680162 [2021-12-06 22:34:02,720 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2815 transitions. [2021-12-06 22:34:02,720 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2815 transitions. [2021-12-06 22:34:02,720 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:34:02,720 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2815 transitions. [2021-12-06 22:34:02,722 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 140.75) internal successors, (2815), 20 states have internal predecessors, (2815), 0 states have call successors, (0), 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 22:34:02,724 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 22:34:02,725 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 22:34:02,725 INFO L186 Difference]: Start difference. First operand has 670 places, 1669 transitions, 93321 flow. Second operand 20 states and 2815 transitions. [2021-12-06 22:34:02,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 689 places, 1821 transitions, 99333 flow [2021-12-06 22:34:13,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 678 places, 1821 transitions, 99137 flow, removed 31 selfloop flow, removed 11 redundant places. [2021-12-06 22:34:13,633 INFO L242 Difference]: Finished difference. Result has 684 places, 1700 transitions, 97065 flow [2021-12-06 22:34:13,635 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=93136, PETRI_DIFFERENCE_MINUEND_PLACES=659, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1669, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=863, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=791, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=97065, PETRI_PLACES=684, PETRI_TRANSITIONS=1700} [2021-12-06 22:34:13,635 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 439 predicate places. [2021-12-06 22:34:13,635 INFO L470 AbstractCegarLoop]: Abstraction has has 684 places, 1700 transitions, 97065 flow [2021-12-06 22:34:13,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:34:13,635 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:34:13,636 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, 1, 1, 1, 1] [2021-12-06 22:34:13,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-12-06 22:34:13,636 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:34:13,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:34:13,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1978965522, now seen corresponding path program 34 times [2021-12-06 22:34:13,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:34:13,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802434229] [2021-12-06 22:34:13,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:34:13,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:34:13,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:13,953 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 22:34:13,954 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:34:13,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802434229] [2021-12-06 22:34:13,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802434229] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:34:13,954 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:34:13,954 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:34:13,954 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960939369] [2021-12-06 22:34:13,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:34:13,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:34:13,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:34:13,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:34:13,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:34:13,956 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:34:13,957 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 684 places, 1700 transitions, 97065 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:34:13,957 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:34:13,957 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:34:13,957 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:34:24,624 INFO L129 PetriNetUnfolder]: 5237/10223 cut-off events. [2021-12-06 22:34:24,624 INFO L130 PetriNetUnfolder]: For 1768659/1768917 co-relation queries the response was YES. [2021-12-06 22:34:24,809 INFO L84 FinitePrefix]: Finished finitePrefix Result has 199767 conditions, 10223 events. 5237/10223 cut-off events. For 1768659/1768917 co-relation queries the response was YES. Maximal size of possible extension queue 474. Compared 78088 event pairs, 730 based on Foata normal form. 11/10190 useless extension candidates. Maximal degree in co-relation 199296. Up to 5854 conditions per place. [2021-12-06 22:34:24,907 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 840 selfloop transitions, 880 changer transitions 0/1831 dead transitions. [2021-12-06 22:34:24,907 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 702 places, 1831 transitions, 102434 flow [2021-12-06 22:34:24,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-06 22:34:24,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-12-06 22:34:24,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2678 transitions. [2021-12-06 22:34:24,910 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5706371191135734 [2021-12-06 22:34:24,910 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2678 transitions. [2021-12-06 22:34:24,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2678 transitions. [2021-12-06 22:34:24,910 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:34:24,910 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2678 transitions. [2021-12-06 22:34:24,912 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 140.94736842105263) internal successors, (2678), 19 states have internal predecessors, (2678), 0 states have call successors, (0), 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 22:34:24,914 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 22:34:24,914 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 22:34:24,914 INFO L186 Difference]: Start difference. First operand has 684 places, 1700 transitions, 97065 flow. Second operand 19 states and 2678 transitions. [2021-12-06 22:34:24,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 702 places, 1831 transitions, 102434 flow [2021-12-06 22:34:36,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 692 places, 1831 transitions, 101918 flow, removed 103 selfloop flow, removed 10 redundant places. [2021-12-06 22:34:36,753 INFO L242 Difference]: Finished difference. Result has 697 places, 1719 transitions, 100726 flow [2021-12-06 22:34:36,755 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=96553, PETRI_DIFFERENCE_MINUEND_PLACES=674, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1700, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=861, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=827, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=100726, PETRI_PLACES=697, PETRI_TRANSITIONS=1719} [2021-12-06 22:34:36,755 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 452 predicate places. [2021-12-06 22:34:36,755 INFO L470 AbstractCegarLoop]: Abstraction has has 697 places, 1719 transitions, 100726 flow [2021-12-06 22:34:36,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:34:36,755 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:34:36,755 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, 1, 1, 1, 1] [2021-12-06 22:34:36,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-12-06 22:34:36,756 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:34:36,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:34:36,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1542015724, now seen corresponding path program 35 times [2021-12-06 22:34:36,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:34:36,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90623383] [2021-12-06 22:34:36,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:34:36,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:34:36,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:37,225 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 22:34:37,226 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:34:37,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90623383] [2021-12-06 22:34:37,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90623383] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:34:37,226 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:34:37,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:34:37,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793728601] [2021-12-06 22:34:37,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:34:37,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:34:37,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:34:37,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:34:37,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:34:37,228 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:34:37,229 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 697 places, 1719 transitions, 100726 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:34:37,229 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:34:37,229 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:34:37,229 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:34:48,684 INFO L129 PetriNetUnfolder]: 5277/10504 cut-off events. [2021-12-06 22:34:48,684 INFO L130 PetriNetUnfolder]: For 1875281/1875470 co-relation queries the response was YES. [2021-12-06 22:34:48,889 INFO L84 FinitePrefix]: Finished finitePrefix Result has 205435 conditions, 10504 events. 5277/10504 cut-off events. For 1875281/1875470 co-relation queries the response was YES. Maximal size of possible extension queue 479. Compared 81005 event pairs, 992 based on Foata normal form. 8/10427 useless extension candidates. Maximal degree in co-relation 204959. Up to 5944 conditions per place. [2021-12-06 22:34:48,990 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 877 selfloop transitions, 866 changer transitions 0/1854 dead transitions. [2021-12-06 22:34:48,990 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 716 places, 1854 transitions, 105945 flow [2021-12-06 22:34:48,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 22:34:48,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 22:34:48,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2819 transitions. [2021-12-06 22:34:48,992 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5706477732793522 [2021-12-06 22:34:48,992 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2819 transitions. [2021-12-06 22:34:48,993 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2819 transitions. [2021-12-06 22:34:48,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:34:48,993 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2819 transitions. [2021-12-06 22:34:48,995 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 140.95) internal successors, (2819), 20 states have internal predecessors, (2819), 0 states have call successors, (0), 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 22:34:48,997 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 22:34:48,997 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 22:34:48,997 INFO L186 Difference]: Start difference. First operand has 697 places, 1719 transitions, 100726 flow. Second operand 20 states and 2819 transitions. [2021-12-06 22:34:48,997 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 716 places, 1854 transitions, 105945 flow [2021-12-06 22:35:00,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 704 places, 1854 transitions, 105527 flow, removed 12 selfloop flow, removed 12 redundant places. [2021-12-06 22:35:00,143 INFO L242 Difference]: Finished difference. Result has 708 places, 1735 transitions, 103981 flow [2021-12-06 22:35:00,144 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=100310, PETRI_DIFFERENCE_MINUEND_PLACES=685, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1719, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=853, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=860, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=103981, PETRI_PLACES=708, PETRI_TRANSITIONS=1735} [2021-12-06 22:35:00,144 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 463 predicate places. [2021-12-06 22:35:00,144 INFO L470 AbstractCegarLoop]: Abstraction has has 708 places, 1735 transitions, 103981 flow [2021-12-06 22:35:00,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:35:00,145 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:35:00,145 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, 1, 1, 1, 1] [2021-12-06 22:35:00,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-12-06 22:35:00,145 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:35:00,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:35:00,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1897669260, now seen corresponding path program 36 times [2021-12-06 22:35:00,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:35:00,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513242300] [2021-12-06 22:35:00,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:35:00,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:35:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:00,553 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 22:35:00,553 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:35:00,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513242300] [2021-12-06 22:35:00,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513242300] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:35:00,553 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:35:00,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:35:00,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267673206] [2021-12-06 22:35:00,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:35:00,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:35:00,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:35:00,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:35:00,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:35:00,556 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:35:00,556 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 708 places, 1735 transitions, 103981 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:35:00,557 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:35:00,557 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:35:00,557 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:35:12,881 INFO L129 PetriNetUnfolder]: 5281/10510 cut-off events. [2021-12-06 22:35:12,881 INFO L130 PetriNetUnfolder]: For 1945471/1945660 co-relation queries the response was YES. [2021-12-06 22:35:13,086 INFO L84 FinitePrefix]: Finished finitePrefix Result has 209758 conditions, 10510 events. 5281/10510 cut-off events. For 1945471/1945660 co-relation queries the response was YES. Maximal size of possible extension queue 482. Compared 81020 event pairs, 1022 based on Foata normal form. 8/10433 useless extension candidates. Maximal degree in co-relation 209278. Up to 5952 conditions per place. [2021-12-06 22:35:13,189 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 878 selfloop transitions, 885 changer transitions 0/1874 dead transitions. [2021-12-06 22:35:13,189 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 727 places, 1874 transitions, 109673 flow [2021-12-06 22:35:13,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 22:35:13,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 22:35:13,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2816 transitions. [2021-12-06 22:35:13,191 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5700404858299595 [2021-12-06 22:35:13,192 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2816 transitions. [2021-12-06 22:35:13,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2816 transitions. [2021-12-06 22:35:13,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:35:13,192 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2816 transitions. [2021-12-06 22:35:13,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 140.8) internal successors, (2816), 20 states have internal predecessors, (2816), 0 states have call successors, (0), 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 22:35:13,196 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 22:35:13,196 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 22:35:13,196 INFO L186 Difference]: Start difference. First operand has 708 places, 1735 transitions, 103981 flow. Second operand 20 states and 2816 transitions. [2021-12-06 22:35:13,196 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 727 places, 1874 transitions, 109673 flow [2021-12-06 22:35:25,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 715 places, 1874 transitions, 108715 flow, removed 261 selfloop flow, removed 12 redundant places. [2021-12-06 22:35:25,865 INFO L242 Difference]: Finished difference. Result has 720 places, 1760 transitions, 106741 flow [2021-12-06 22:35:25,866 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=103126, PETRI_DIFFERENCE_MINUEND_PLACES=696, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1735, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=865, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=860, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=106741, PETRI_PLACES=720, PETRI_TRANSITIONS=1760} [2021-12-06 22:35:25,867 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 475 predicate places. [2021-12-06 22:35:25,867 INFO L470 AbstractCegarLoop]: Abstraction has has 720 places, 1760 transitions, 106741 flow [2021-12-06 22:35:25,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:35:25,867 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:35:25,867 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, 1, 1, 1, 1] [2021-12-06 22:35:25,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-12-06 22:35:25,867 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:35:25,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:35:25,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1614337084, now seen corresponding path program 37 times [2021-12-06 22:35:25,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:35:25,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763873284] [2021-12-06 22:35:25,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:35:25,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:35:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:26,279 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 22:35:26,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:35:26,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763873284] [2021-12-06 22:35:26,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763873284] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:35:26,279 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:35:26,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:35:26,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346928422] [2021-12-06 22:35:26,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:35:26,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:35:26,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:35:26,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:35:26,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:35:26,282 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:35:26,283 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 720 places, 1760 transitions, 106741 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:35:26,283 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:35:26,283 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:35:26,283 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:35:38,431 INFO L129 PetriNetUnfolder]: 5285/10339 cut-off events. [2021-12-06 22:35:38,431 INFO L130 PetriNetUnfolder]: For 1983113/1983371 co-relation queries the response was YES. [2021-12-06 22:35:38,642 INFO L84 FinitePrefix]: Finished finitePrefix Result has 212933 conditions, 10339 events. 5285/10339 cut-off events. For 1983113/1983371 co-relation queries the response was YES. Maximal size of possible extension queue 485. Compared 79399 event pairs, 718 based on Foata normal form. 11/10306 useless extension candidates. Maximal degree in co-relation 212448. Up to 5890 conditions per place. [2021-12-06 22:35:38,743 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 870 selfloop transitions, 910 changer transitions 0/1891 dead transitions. [2021-12-06 22:35:38,743 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 739 places, 1891 transitions, 112171 flow [2021-12-06 22:35:38,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 22:35:38,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 22:35:38,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2813 transitions. [2021-12-06 22:35:38,745 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5694331983805668 [2021-12-06 22:35:38,746 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2813 transitions. [2021-12-06 22:35:38,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2813 transitions. [2021-12-06 22:35:38,746 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:35:38,746 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2813 transitions. [2021-12-06 22:35:38,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 140.65) internal successors, (2813), 20 states have internal predecessors, (2813), 0 states have call successors, (0), 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 22:35:38,753 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 22:35:38,753 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 22:35:38,753 INFO L186 Difference]: Start difference. First operand has 720 places, 1760 transitions, 106741 flow. Second operand 20 states and 2813 transitions. [2021-12-06 22:35:38,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 739 places, 1891 transitions, 112171 flow [2021-12-06 22:35:52,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 726 places, 1891 transitions, 111051 flow, removed 256 selfloop flow, removed 13 redundant places. [2021-12-06 22:35:52,368 INFO L242 Difference]: Finished difference. Result has 730 places, 1780 transitions, 109133 flow [2021-12-06 22:35:52,370 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=105757, PETRI_DIFFERENCE_MINUEND_PLACES=707, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1760, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=893, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=859, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=109133, PETRI_PLACES=730, PETRI_TRANSITIONS=1780} [2021-12-06 22:35:52,370 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 485 predicate places. [2021-12-06 22:35:52,370 INFO L470 AbstractCegarLoop]: Abstraction has has 730 places, 1780 transitions, 109133 flow [2021-12-06 22:35:52,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:35:52,371 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:35:52,371 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, 1, 1, 1, 1] [2021-12-06 22:35:52,371 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-12-06 22:35:52,371 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:35:52,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:35:52,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1551547066, now seen corresponding path program 38 times [2021-12-06 22:35:52,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:35:52,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292273508] [2021-12-06 22:35:52,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:35:52,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:35:52,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:52,689 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 22:35:52,689 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:35:52,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292273508] [2021-12-06 22:35:52,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292273508] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:35:52,690 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:35:52,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:35:52,690 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812701389] [2021-12-06 22:35:52,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:35:52,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:35:52,690 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:35:52,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:35:52,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:35:52,692 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:35:52,693 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 730 places, 1780 transitions, 109133 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:35:52,693 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:35:52,693 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:35:52,693 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:36:04,843 INFO L129 PetriNetUnfolder]: 5499/10911 cut-off events. [2021-12-06 22:36:04,843 INFO L130 PetriNetUnfolder]: For 2085661/2085761 co-relation queries the response was YES. [2021-12-06 22:36:05,055 INFO L84 FinitePrefix]: Finished finitePrefix Result has 223210 conditions, 10911 events. 5499/10911 cut-off events. For 2085661/2085761 co-relation queries the response was YES. Maximal size of possible extension queue 504. Compared 84627 event pairs, 1071 based on Foata normal form. 8/10838 useless extension candidates. Maximal degree in co-relation 222721. Up to 5746 conditions per place. [2021-12-06 22:36:05,163 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 819 selfloop transitions, 1037 changer transitions 0/1967 dead transitions. [2021-12-06 22:36:05,163 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 748 places, 1967 transitions, 117725 flow [2021-12-06 22:36:05,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-06 22:36:05,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-12-06 22:36:05,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2680 transitions. [2021-12-06 22:36:05,165 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5710632857447262 [2021-12-06 22:36:05,165 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2680 transitions. [2021-12-06 22:36:05,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2680 transitions. [2021-12-06 22:36:05,166 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:36:05,166 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2680 transitions. [2021-12-06 22:36:05,167 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 141.05263157894737) internal successors, (2680), 19 states have internal predecessors, (2680), 0 states have call successors, (0), 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 22:36:05,169 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 22:36:05,170 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 22:36:05,170 INFO L186 Difference]: Start difference. First operand has 730 places, 1780 transitions, 109133 flow. Second operand 19 states and 2680 transitions. [2021-12-06 22:36:05,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 748 places, 1967 transitions, 117725 flow [2021-12-06 22:36:19,632 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 737 places, 1967 transitions, 117241 flow, removed 60 selfloop flow, removed 11 redundant places. [2021-12-06 22:36:19,711 INFO L242 Difference]: Finished difference. Result has 745 places, 1855 transitions, 116192 flow [2021-12-06 22:36:19,713 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=108649, PETRI_DIFFERENCE_MINUEND_PLACES=719, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1780, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=964, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=796, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=116192, PETRI_PLACES=745, PETRI_TRANSITIONS=1855} [2021-12-06 22:36:19,713 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 500 predicate places. [2021-12-06 22:36:19,713 INFO L470 AbstractCegarLoop]: Abstraction has has 745 places, 1855 transitions, 116192 flow [2021-12-06 22:36:19,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:36:19,713 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:36:19,713 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, 1, 1, 1, 1] [2021-12-06 22:36:19,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-12-06 22:36:19,714 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:36:19,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:36:19,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1820350570, now seen corresponding path program 1 times [2021-12-06 22:36:19,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:36:19,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906096908] [2021-12-06 22:36:19,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:36:19,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:36:19,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:19,976 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 22:36:19,976 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:36:19,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906096908] [2021-12-06 22:36:19,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906096908] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:36:19,976 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:36:19,976 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:36:19,976 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381592097] [2021-12-06 22:36:19,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:36:19,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:36:19,977 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:36:19,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:36:19,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:36:19,978 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:36:19,979 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 745 places, 1855 transitions, 116192 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:36:19,979 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:36:19,979 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:36:19,980 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:36:46,209 INFO L129 PetriNetUnfolder]: 13602/27688 cut-off events. [2021-12-06 22:36:46,209 INFO L130 PetriNetUnfolder]: For 6221338/6226123 co-relation queries the response was YES. [2021-12-06 22:36:47,244 INFO L84 FinitePrefix]: Finished finitePrefix Result has 519078 conditions, 27688 events. 13602/27688 cut-off events. For 6221338/6226123 co-relation queries the response was YES. Maximal size of possible extension queue 1459. Compared 270157 event pairs, 3193 based on Foata normal form. 2773/30244 useless extension candidates. Maximal degree in co-relation 518581. Up to 13131 conditions per place. [2021-12-06 22:36:47,527 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 996 selfloop transitions, 2490 changer transitions 0/3719 dead transitions. [2021-12-06 22:36:47,528 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 772 places, 3719 transitions, 253052 flow [2021-12-06 22:36:47,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-12-06 22:36:47,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-12-06 22:36:47,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 3914 transitions. [2021-12-06 22:36:47,532 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5659340659340659 [2021-12-06 22:36:47,532 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 3914 transitions. [2021-12-06 22:36:47,532 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 3914 transitions. [2021-12-06 22:36:47,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:36:47,533 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 3914 transitions. [2021-12-06 22:36:47,536 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 139.78571428571428) internal successors, (3914), 28 states have internal predecessors, (3914), 0 states have call successors, (0), 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 22:36:47,540 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 22:36:47,540 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 22:36:47,540 INFO L186 Difference]: Start difference. First operand has 745 places, 1855 transitions, 116192 flow. Second operand 28 states and 3914 transitions. [2021-12-06 22:36:47,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 772 places, 3719 transitions, 253052 flow [2021-12-06 22:38:18,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 764 places, 3719 transitions, 251292 flow, removed 408 selfloop flow, removed 8 redundant places. [2021-12-06 22:38:18,255 INFO L242 Difference]: Finished difference. Result has 781 places, 3357 transitions, 236238 flow [2021-12-06 22:38:18,257 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=115475, PETRI_DIFFERENCE_MINUEND_PLACES=737, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1855, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1001, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=833, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=236238, PETRI_PLACES=781, PETRI_TRANSITIONS=3357} [2021-12-06 22:38:18,257 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 536 predicate places. [2021-12-06 22:38:18,257 INFO L470 AbstractCegarLoop]: Abstraction has has 781 places, 3357 transitions, 236238 flow [2021-12-06 22:38:18,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:38:18,257 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:38:18,258 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, 1, 1, 1, 1] [2021-12-06 22:38:18,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-12-06 22:38:18,258 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:38:18,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:38:18,258 INFO L85 PathProgramCache]: Analyzing trace with hash -650101178, now seen corresponding path program 39 times [2021-12-06 22:38:18,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:38:18,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104902564] [2021-12-06 22:38:18,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:38:18,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:38:18,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:38:18,585 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 22:38:18,585 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:38:18,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104902564] [2021-12-06 22:38:18,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104902564] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:38:18,585 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:38:18,585 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:38:18,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688906797] [2021-12-06 22:38:18,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:38:18,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:38:18,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:38:18,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:38:18,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:38:18,587 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:38:18,588 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 781 places, 3357 transitions, 236238 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:38:18,588 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:38:18,588 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:38:18,588 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:38:59,603 INFO L129 PetriNetUnfolder]: 9382/20236 cut-off events. [2021-12-06 22:38:59,603 INFO L130 PetriNetUnfolder]: For 4709711/4717717 co-relation queries the response was YES. [2021-12-06 22:39:00,197 INFO L84 FinitePrefix]: Finished finitePrefix Result has 415701 conditions, 20236 events. 9382/20236 cut-off events. For 4709711/4717717 co-relation queries the response was YES. Maximal size of possible extension queue 950. Compared 195312 event pairs, 1611 based on Foata normal form. 344/20164 useless extension candidates. Maximal degree in co-relation 415187. Up to 8226 conditions per place. [2021-12-06 22:39:00,410 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 1207 selfloop transitions, 2279 changer transitions 0/3613 dead transitions. [2021-12-06 22:39:00,410 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 799 places, 3613 transitions, 253161 flow [2021-12-06 22:39:00,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-06 22:39:00,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-12-06 22:39:00,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2684 transitions. [2021-12-06 22:39:00,412 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5719156190070317 [2021-12-06 22:39:00,412 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2684 transitions. [2021-12-06 22:39:00,412 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2684 transitions. [2021-12-06 22:39:00,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:39:00,413 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2684 transitions. [2021-12-06 22:39:00,414 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 141.26315789473685) internal successors, (2684), 19 states have internal predecessors, (2684), 0 states have call successors, (0), 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 22:39:00,416 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 22:39:00,416 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 22:39:00,416 INFO L186 Difference]: Start difference. First operand has 781 places, 3357 transitions, 236238 flow. Second operand 19 states and 2684 transitions. [2021-12-06 22:39:00,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 799 places, 3613 transitions, 253161 flow [2021-12-06 22:39:55,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 792 places, 3613 transitions, 249774 flow, removed 474 selfloop flow, removed 7 redundant places. [2021-12-06 22:39:56,058 INFO L242 Difference]: Finished difference. Result has 801 places, 3496 transitions, 249448 flow [2021-12-06 22:39:56,061 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=232968, PETRI_DIFFERENCE_MINUEND_PLACES=774, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2160, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=249448, PETRI_PLACES=801, PETRI_TRANSITIONS=3496} [2021-12-06 22:39:56,061 INFO L334 CegarLoopForPetriNet]: 245 programPoint places, 556 predicate places. [2021-12-06 22:39:56,061 INFO L470 AbstractCegarLoop]: Abstraction has has 801 places, 3496 transitions, 249448 flow [2021-12-06 22:39:56,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:39:56,062 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:39:56,062 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, 1, 1, 1, 1] [2021-12-06 22:39:56,062 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-12-06 22:39:56,062 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 22:39:56,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:39:56,062 INFO L85 PathProgramCache]: Analyzing trace with hash 2140782656, now seen corresponding path program 2 times [2021-12-06 22:39:56,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:39:56,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904287045] [2021-12-06 22:39:56,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:39:56,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:39:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:56,410 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 22:39:56,411 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:39:56,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904287045] [2021-12-06 22:39:56,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904287045] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:39:56,411 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:39:56,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:39:56,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885952879] [2021-12-06 22:39:56,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:39:56,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:39:56,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:39:56,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:39:56,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:39:56,413 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 247 [2021-12-06 22:39:56,414 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 801 places, 3496 transitions, 249448 flow. Second operand has 18 states, 18 states have (on average 129.33333333333334) internal successors, (2328), 18 states have internal predecessors, (2328), 0 states have call successors, (0), 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 22:39:56,414 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:39:56,414 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 247 [2021-12-06 22:39:56,414 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:40:54,168 INFO L129 PetriNetUnfolder]: 16224/33070 cut-off events. [2021-12-06 22:40:54,168 INFO L130 PetriNetUnfolder]: For 10130296/10137588 co-relation queries the response was YES. [2021-12-06 22:40:55,510 INFO L84 FinitePrefix]: Finished finitePrefix Result has 690727 conditions, 33070 events. 16224/33070 cut-off events. For 10130296/10137588 co-relation queries the response was YES. Maximal size of possible extension queue 1943. Compared 341312 event pairs, 933 based on Foata normal form. 3856/36597 useless extension candidates. Maximal degree in co-relation 690204. Up to 15835 conditions per place. [2021-12-06 22:40:55,860 INFO L132 encePairwiseOnDemand]: 227/247 looper letters, 2636 selfloop transitions, 2664 changer transitions 0/5541 dead transitions. [2021-12-06 22:40:55,860 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 817 places, 5541 transitions, 432023 flow [2021-12-06 22:40:55,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-06 22:40:55,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-12-06 22:40:55,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2451 transitions. [2021-12-06 22:40:55,863 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.583710407239819 [2021-12-06 22:40:55,863 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 2451 transitions. [2021-12-06 22:40:55,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 2451 transitions. [2021-12-06 22:40:55,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:40:55,863 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 2451 transitions. [2021-12-06 22:40:55,865 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 144.1764705882353) internal successors, (2451), 17 states have internal predecessors, (2451), 0 states have call successors, (0), 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 22:40:55,866 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 22:40:55,866 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 22:40:55,866 INFO L186 Difference]: Start difference. First operand has 801 places, 3496 transitions, 249448 flow. Second operand 17 states and 2451 transitions. [2021-12-06 22:40:55,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 817 places, 5541 transitions, 432023 flow