./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fdac66a-0641-4664-b359-e3aa843e0e76/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fdac66a-0641-4664-b359-e3aa843e0e76/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_2fdac66a-0641-4664-b359-e3aa843e0e76/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fdac66a-0641-4664-b359-e3aa843e0e76/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fdac66a-0641-4664-b359-e3aa843e0e76/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_2fdac66a-0641-4664-b359-e3aa843e0e76/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 02b1c265b98bd14cc97fe77543b4e06699576e2091fa3d4102d013e6b3937418 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 01:00:57,650 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 01:00:57,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 01:00:57,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 01:00:57,674 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 01:00:57,675 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 01:00:57,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 01:00:57,678 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 01:00:57,680 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 01:00:57,681 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 01:00:57,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 01:00:57,682 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 01:00:57,683 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 01:00:57,684 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 01:00:57,685 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 01:00:57,686 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 01:00:57,687 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 01:00:57,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 01:00:57,690 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 01:00:57,691 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 01:00:57,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 01:00:57,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 01:00:57,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 01:00:57,697 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 01:00:57,700 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 01:00:57,701 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 01:00:57,701 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 01:00:57,702 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 01:00:57,703 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 01:00:57,704 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 01:00:57,704 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 01:00:57,705 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 01:00:57,706 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 01:00:57,707 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 01:00:57,708 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 01:00:57,708 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 01:00:57,708 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 01:00:57,708 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 01:00:57,709 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 01:00:57,709 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 01:00:57,710 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 01:00:57,711 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fdac66a-0641-4664-b359-e3aa843e0e76/bin/uautomizer-DrprNOufMa/config/svcomp-DataRace-32bit-Automizer_Default.epf [2021-12-07 01:00:57,734 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 01:00:57,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 01:00:57,734 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 01:00:57,734 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 01:00:57,735 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 01:00:57,735 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 01:00:57,736 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 01:00:57,736 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 01:00:57,736 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 01:00:57,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 01:00:57,736 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 01:00:57,736 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-07 01:00:57,737 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 01:00:57,737 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 01:00:57,737 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 01:00:57,737 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 01:00:57,737 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 01:00:57,737 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 01:00:57,738 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-12-07 01:00:57,738 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 01:00:57,738 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 01:00:57,738 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 01:00:57,738 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 01:00:57,738 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 01:00:57,738 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 01:00:57,738 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 01:00:57,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:00:57,739 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 01:00:57,739 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 01:00:57,739 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 01:00:57,739 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 01:00:57,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 01:00:57,740 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 01:00:57,740 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 01:00:57,740 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 01:00:57,740 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 01:00:57,740 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_2fdac66a-0641-4664-b359-e3aa843e0e76/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fdac66a-0641-4664-b359-e3aa843e0e76/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02b1c265b98bd14cc97fe77543b4e06699576e2091fa3d4102d013e6b3937418 [2021-12-07 01:00:57,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 01:00:57,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 01:00:57,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 01:00:57,937 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 01:00:57,938 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 01:00:57,939 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fdac66a-0641-4664-b359-e3aa843e0e76/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2021-12-07 01:00:57,984 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fdac66a-0641-4664-b359-e3aa843e0e76/bin/uautomizer-DrprNOufMa/data/bf222c372/aa60e5a4b70d485b8429b94db5f0645e/FLAGb3f67e9ef [2021-12-07 01:00:58,423 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 01:00:58,424 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fdac66a-0641-4664-b359-e3aa843e0e76/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2021-12-07 01:00:58,439 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fdac66a-0641-4664-b359-e3aa843e0e76/bin/uautomizer-DrprNOufMa/data/bf222c372/aa60e5a4b70d485b8429b94db5f0645e/FLAGb3f67e9ef [2021-12-07 01:00:58,448 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fdac66a-0641-4664-b359-e3aa843e0e76/bin/uautomizer-DrprNOufMa/data/bf222c372/aa60e5a4b70d485b8429b94db5f0645e [2021-12-07 01:00:58,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 01:00:58,452 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 01:00:58,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 01:00:58,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 01:00:58,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 01:00:58,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:00:58" (1/1) ... [2021-12-07 01:00:58,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11efcad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:00:58, skipping insertion in model container [2021-12-07 01:00:58,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:00:58" (1/1) ... [2021-12-07 01:00:58,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 01:00:58,512 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 01:00:58,627 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-12-07 01:00:58,983 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_2fdac66a-0641-4664-b359-e3aa843e0e76/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i[75009,75022] [2021-12-07 01:00:59,030 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:00:59,036 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 01:00:59,046 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-12-07 01:00:59,084 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_2fdac66a-0641-4664-b359-e3aa843e0e76/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i[75009,75022] [2021-12-07 01:00:59,105 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:00:59,187 INFO L208 MainTranslator]: Completed translation [2021-12-07 01:00:59,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:00:59 WrapperNode [2021-12-07 01:00:59,188 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 01:00:59,188 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 01:00:59,188 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 01:00:59,189 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 01:00:59,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:00:59" (1/1) ... [2021-12-07 01:00:59,217 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:00:59" (1/1) ... [2021-12-07 01:00:59,243 INFO L137 Inliner]: procedures = 468, calls = 52, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 206 [2021-12-07 01:00:59,243 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 01:00:59,244 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 01:00:59,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 01:00:59,244 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 01:00:59,250 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:00:59" (1/1) ... [2021-12-07 01:00:59,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:00:59" (1/1) ... [2021-12-07 01:00:59,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:00:59" (1/1) ... [2021-12-07 01:00:59,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:00:59" (1/1) ... [2021-12-07 01:00:59,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:00:59" (1/1) ... [2021-12-07 01:00:59,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:00:59" (1/1) ... [2021-12-07 01:00:59,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:00:59" (1/1) ... [2021-12-07 01:00:59,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 01:00:59,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 01:00:59,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 01:00:59,284 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 01:00:59,285 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:00:59" (1/1) ... [2021-12-07 01:00:59,291 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:00:59,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fdac66a-0641-4664-b359-e3aa843e0e76/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:00:59,309 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fdac66a-0641-4664-b359-e3aa843e0e76/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 01:00:59,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fdac66a-0641-4664-b359-e3aa843e0e76/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 01:00:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-07 01:00:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 01:00:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-07 01:00:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 01:00:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 01:00:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-07 01:00:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 01:00:59,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 01:00:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-12-07 01:00:59,339 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-12-07 01:00:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 01:00:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 01:00:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 01:00:59,341 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-07 01:00:59,561 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 01:00:59,562 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 01:00:59,844 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 01:00:59,880 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 01:00:59,880 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-07 01:00:59,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:00:59 BoogieIcfgContainer [2021-12-07 01:00:59,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 01:00:59,884 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 01:00:59,884 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 01:00:59,886 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 01:00:59,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:00:58" (1/3) ... [2021-12-07 01:00:59,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59b19cd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:00:59, skipping insertion in model container [2021-12-07 01:00:59,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:00:59" (2/3) ... [2021-12-07 01:00:59,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59b19cd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:00:59, skipping insertion in model container [2021-12-07 01:00:59,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:00:59" (3/3) ... [2021-12-07 01:00:59,888 INFO L111 eAbstractionObserver]: Analyzing ICFG race-3_2-container_of-global.i [2021-12-07 01:00:59,892 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-07 01:00:59,892 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 01:00:59,892 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2021-12-07 01:00:59,892 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-07 01:00:59,920 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,920 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,920 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,921 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,921 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,921 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,921 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,921 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,921 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,922 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,922 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,922 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,922 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,922 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,922 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,923 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,923 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,923 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,923 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,923 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,923 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,924 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,924 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,924 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,924 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,924 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,924 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,925 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,925 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,925 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,925 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,925 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,925 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,926 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,926 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,926 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,926 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,926 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,926 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,927 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,927 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,927 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,927 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,927 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,928 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,928 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,928 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,928 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,928 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,928 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,929 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,929 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,929 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,929 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,929 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,929 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,929 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,930 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,930 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,930 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,930 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,930 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,930 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,931 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,931 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,931 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,931 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,931 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,931 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,932 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,932 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,932 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,932 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,932 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,933 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,933 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,933 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,933 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,933 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,933 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,934 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,934 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,934 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,934 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,934 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,934 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,935 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,935 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,935 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,935 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,935 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,935 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,935 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,935 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,936 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,936 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,936 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,936 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,936 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,936 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,937 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,937 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,937 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,937 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,937 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,938 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,938 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,938 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,938 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,938 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,938 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,938 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,939 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,939 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,939 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,939 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,939 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,939 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,940 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,940 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,940 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,940 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,940 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,940 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,941 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,941 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,941 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,941 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,941 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,941 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,941 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,942 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,942 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,942 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,942 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,942 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,943 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,943 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,943 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,943 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,946 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,946 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,946 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,946 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,947 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,947 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,947 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,947 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,947 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,947 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,948 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,948 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,949 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,949 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,949 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,949 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,949 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,949 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,950 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,950 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,950 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,950 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,950 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,950 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:00:59,953 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-12-07 01:00:59,992 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 01:00:59,997 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 [2021-12-07 01:00:59,997 INFO L340 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2021-12-07 01:01:00,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 275 places, 277 transitions, 570 flow [2021-12-07 01:01:00,092 INFO L129 PetriNetUnfolder]: 10/354 cut-off events. [2021-12-07 01:01:00,092 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-12-07 01:01:00,096 INFO L84 FinitePrefix]: Finished finitePrefix Result has 363 conditions, 354 events. 10/354 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 581 event pairs, 0 based on Foata normal form. 0/316 useless extension candidates. Maximal degree in co-relation 206. Up to 4 conditions per place. [2021-12-07 01:01:00,097 INFO L82 GeneralOperation]: Start removeDead. Operand has 275 places, 277 transitions, 570 flow [2021-12-07 01:01:00,103 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 273 places, 274 transitions, 560 flow [2021-12-07 01:01:00,108 INFO L129 PetriNetUnfolder]: 0/43 cut-off events. [2021-12-07 01:01:00,108 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-07 01:01:00,108 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:01:00,109 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] [2021-12-07 01:01:00,109 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:01:00,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:01:00,113 INFO L85 PathProgramCache]: Analyzing trace with hash -917232987, now seen corresponding path program 1 times [2021-12-07 01:01:00,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:01:00,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65803933] [2021-12-07 01:01:00,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:01:00,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:01:00,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:00,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:01:00,459 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:01:00,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65803933] [2021-12-07 01:01:00,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65803933] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:01:00,460 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:01:00,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:01:00,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487747202] [2021-12-07 01:01:00,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:01:00,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:01:00,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:01:00,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:01:00,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:01:00,505 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 277 [2021-12-07 01:01:00,512 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 274 transitions, 560 flow. Second operand has 6 states, 6 states have (on average 168.66666666666666) internal successors, (1012), 6 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:00,512 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:01:00,512 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 277 [2021-12-07 01:01:00,513 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:01:01,048 INFO L129 PetriNetUnfolder]: 754/2155 cut-off events. [2021-12-07 01:01:01,049 INFO L130 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2021-12-07 01:01:01,056 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3531 conditions, 2155 events. 754/2155 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 13611 event pairs, 753 based on Foata normal form. 38/2016 useless extension candidates. Maximal degree in co-relation 3126. Up to 1353 conditions per place. [2021-12-07 01:01:01,069 INFO L132 encePairwiseOnDemand]: 259/277 looper letters, 86 selfloop transitions, 5 changer transitions 4/255 dead transitions. [2021-12-07 01:01:01,069 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 255 transitions, 704 flow [2021-12-07 01:01:01,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 01:01:01,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-07 01:01:01,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1106 transitions. [2021-12-07 01:01:01,083 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6654632972322503 [2021-12-07 01:01:01,083 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1106 transitions. [2021-12-07 01:01:01,084 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1106 transitions. [2021-12-07 01:01:01,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:01:01,088 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1106 transitions. [2021-12-07 01:01:01,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 184.33333333333334) internal successors, (1106), 6 states have internal predecessors, (1106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:01,101 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 277.0) internal successors, (1939), 7 states have internal predecessors, (1939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:01,102 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 277.0) internal successors, (1939), 7 states have internal predecessors, (1939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:01,103 INFO L186 Difference]: Start difference. First operand has 273 places, 274 transitions, 560 flow. Second operand 6 states and 1106 transitions. [2021-12-07 01:01:01,104 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 255 transitions, 704 flow [2021-12-07 01:01:01,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 255 transitions, 696 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-12-07 01:01:01,114 INFO L242 Difference]: Finished difference. Result has 261 places, 251 transitions, 516 flow [2021-12-07 01:01:01,115 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=514, PETRI_DIFFERENCE_MINUEND_PLACES=256, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=516, PETRI_PLACES=261, PETRI_TRANSITIONS=251} [2021-12-07 01:01:01,118 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, -12 predicate places. [2021-12-07 01:01:01,118 INFO L470 AbstractCegarLoop]: Abstraction has has 261 places, 251 transitions, 516 flow [2021-12-07 01:01:01,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 168.66666666666666) internal successors, (1012), 6 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:01,119 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:01:01,119 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] [2021-12-07 01:01:01,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 01:01:01,119 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:01:01,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:01:01,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1431909143, now seen corresponding path program 1 times [2021-12-07 01:01:01,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:01:01,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348827568] [2021-12-07 01:01:01,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:01:01,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:01:01,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:01,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:01:01,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:01:01,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348827568] [2021-12-07 01:01:01,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348827568] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:01:01,279 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:01:01,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:01:01,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147134851] [2021-12-07 01:01:01,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:01:01,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:01:01,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:01:01,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:01:01,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:01:01,283 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 277 [2021-12-07 01:01:01,285 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 251 transitions, 516 flow. Second operand has 6 states, 6 states have (on average 169.66666666666666) internal successors, (1018), 6 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:01,285 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:01:01,285 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 277 [2021-12-07 01:01:01,285 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:01:01,773 INFO L129 PetriNetUnfolder]: 754/2150 cut-off events. [2021-12-07 01:01:01,773 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-12-07 01:01:01,776 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3519 conditions, 2150 events. 754/2150 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 13556 event pairs, 753 based on Foata normal form. 0/1978 useless extension candidates. Maximal degree in co-relation 3458. Up to 1352 conditions per place. [2021-12-07 01:01:01,784 INFO L132 encePairwiseOnDemand]: 271/277 looper letters, 85 selfloop transitions, 5 changer transitions 0/250 dead transitions. [2021-12-07 01:01:01,784 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 250 transitions, 694 flow [2021-12-07 01:01:01,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 01:01:01,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-07 01:01:01,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1093 transitions. [2021-12-07 01:01:01,788 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6576413959085439 [2021-12-07 01:01:01,788 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1093 transitions. [2021-12-07 01:01:01,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1093 transitions. [2021-12-07 01:01:01,789 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:01:01,789 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1093 transitions. [2021-12-07 01:01:01,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 182.16666666666666) internal successors, (1093), 6 states have internal predecessors, (1093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:01,795 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 277.0) internal successors, (1939), 7 states have internal predecessors, (1939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:01,796 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 277.0) internal successors, (1939), 7 states have internal predecessors, (1939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:01,796 INFO L186 Difference]: Start difference. First operand has 261 places, 251 transitions, 516 flow. Second operand 6 states and 1093 transitions. [2021-12-07 01:01:01,796 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 250 transitions, 694 flow [2021-12-07 01:01:01,798 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 250 transitions, 684 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-07 01:01:01,802 INFO L242 Difference]: Finished difference. Result has 256 places, 250 transitions, 514 flow [2021-12-07 01:01:01,802 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=504, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=245, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=514, PETRI_PLACES=256, PETRI_TRANSITIONS=250} [2021-12-07 01:01:01,803 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, -17 predicate places. [2021-12-07 01:01:01,803 INFO L470 AbstractCegarLoop]: Abstraction has has 256 places, 250 transitions, 514 flow [2021-12-07 01:01:01,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 169.66666666666666) internal successors, (1018), 6 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:01,804 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:01:01,804 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] [2021-12-07 01:01:01,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 01:01:01,804 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:01:01,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:01:01,805 INFO L85 PathProgramCache]: Analyzing trace with hash -561567241, now seen corresponding path program 1 times [2021-12-07 01:01:01,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:01:01,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005509214] [2021-12-07 01:01:01,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:01:01,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:01:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:01,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:01:01,962 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:01:01,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005509214] [2021-12-07 01:01:01,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005509214] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:01:01,962 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:01:01,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:01:01,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180439634] [2021-12-07 01:01:01,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:01:01,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:01:01,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:01:01,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:01:01,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:01:01,965 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 277 [2021-12-07 01:01:01,967 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 250 transitions, 514 flow. Second operand has 6 states, 6 states have (on average 172.5) internal successors, (1035), 6 states have internal predecessors, (1035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:01,967 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:01:01,967 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 277 [2021-12-07 01:01:01,967 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:01:02,516 INFO L129 PetriNetUnfolder]: 754/2150 cut-off events. [2021-12-07 01:01:02,517 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-12-07 01:01:02,521 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3517 conditions, 2150 events. 754/2150 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 13850 event pairs, 624 based on Foata normal form. 0/2002 useless extension candidates. Maximal degree in co-relation 3442. Up to 1328 conditions per place. [2021-12-07 01:01:02,531 INFO L132 encePairwiseOnDemand]: 269/277 looper letters, 90 selfloop transitions, 7 changer transitions 0/259 dead transitions. [2021-12-07 01:01:02,531 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 259 transitions, 727 flow [2021-12-07 01:01:02,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 01:01:02,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-07 01:01:02,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1112 transitions. [2021-12-07 01:01:02,536 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6690734055354994 [2021-12-07 01:01:02,537 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1112 transitions. [2021-12-07 01:01:02,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1112 transitions. [2021-12-07 01:01:02,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:01:02,538 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1112 transitions. [2021-12-07 01:01:02,542 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 185.33333333333334) internal successors, (1112), 6 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:02,547 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 277.0) internal successors, (1939), 7 states have internal predecessors, (1939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:02,548 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 277.0) internal successors, (1939), 7 states have internal predecessors, (1939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:02,549 INFO L186 Difference]: Start difference. First operand has 256 places, 250 transitions, 514 flow. Second operand 6 states and 1112 transitions. [2021-12-07 01:01:02,549 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 259 transitions, 727 flow [2021-12-07 01:01:02,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 259 transitions, 717 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-07 01:01:02,557 INFO L242 Difference]: Finished difference. Result has 256 places, 252 transitions, 532 flow [2021-12-07 01:01:02,558 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=502, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=249, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=532, PETRI_PLACES=256, PETRI_TRANSITIONS=252} [2021-12-07 01:01:02,558 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, -17 predicate places. [2021-12-07 01:01:02,559 INFO L470 AbstractCegarLoop]: Abstraction has has 256 places, 252 transitions, 532 flow [2021-12-07 01:01:02,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 172.5) internal successors, (1035), 6 states have internal predecessors, (1035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:02,560 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:01:02,560 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] [2021-12-07 01:01:02,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 01:01:02,560 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:01:02,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:01:02,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1692732083, now seen corresponding path program 1 times [2021-12-07 01:01:02,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:01:02,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550030914] [2021-12-07 01:01:02,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:01:02,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:01:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:02,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:01:02,690 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:01:02,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550030914] [2021-12-07 01:01:02,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550030914] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:01:02,690 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:01:02,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:01:02,690 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856533540] [2021-12-07 01:01:02,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:01:02,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:01:02,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:01:02,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:01:02,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:01:02,693 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 277 [2021-12-07 01:01:02,694 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 252 transitions, 532 flow. Second operand has 6 states, 6 states have (on average 173.5) internal successors, (1041), 6 states have internal predecessors, (1041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:02,694 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:01:02,694 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 277 [2021-12-07 01:01:02,695 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:01:03,113 INFO L129 PetriNetUnfolder]: 754/2149 cut-off events. [2021-12-07 01:01:03,113 INFO L130 PetriNetUnfolder]: For 241/255 co-relation queries the response was YES. [2021-12-07 01:01:03,116 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3806 conditions, 2149 events. 754/2149 cut-off events. For 241/255 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 13826 event pairs, 624 based on Foata normal form. 2/2004 useless extension candidates. Maximal degree in co-relation 2633. Up to 1334 conditions per place. [2021-12-07 01:01:03,124 INFO L132 encePairwiseOnDemand]: 269/277 looper letters, 89 selfloop transitions, 7 changer transitions 0/258 dead transitions. [2021-12-07 01:01:03,125 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 258 transitions, 737 flow [2021-12-07 01:01:03,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 01:01:03,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-07 01:01:03,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1111 transitions. [2021-12-07 01:01:03,128 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6684717208182912 [2021-12-07 01:01:03,128 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1111 transitions. [2021-12-07 01:01:03,128 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1111 transitions. [2021-12-07 01:01:03,129 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:01:03,129 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1111 transitions. [2021-12-07 01:01:03,131 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 185.16666666666666) internal successors, (1111), 6 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:03,134 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 277.0) internal successors, (1939), 7 states have internal predecessors, (1939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:03,135 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 277.0) internal successors, (1939), 7 states have internal predecessors, (1939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:03,135 INFO L186 Difference]: Start difference. First operand has 256 places, 252 transitions, 532 flow. Second operand 6 states and 1111 transitions. [2021-12-07 01:01:03,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 258 transitions, 737 flow [2021-12-07 01:01:03,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 258 transitions, 727 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-12-07 01:01:03,140 INFO L242 Difference]: Finished difference. Result has 256 places, 251 transitions, 534 flow [2021-12-07 01:01:03,140 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=520, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=534, PETRI_PLACES=256, PETRI_TRANSITIONS=251} [2021-12-07 01:01:03,141 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, -17 predicate places. [2021-12-07 01:01:03,141 INFO L470 AbstractCegarLoop]: Abstraction has has 256 places, 251 transitions, 534 flow [2021-12-07 01:01:03,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 173.5) internal successors, (1041), 6 states have internal predecessors, (1041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:03,141 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:01:03,141 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:01:03,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-07 01:01:03,142 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:01:03,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:01:03,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1124810628, now seen corresponding path program 1 times [2021-12-07 01:01:03,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:01:03,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418942618] [2021-12-07 01:01:03,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:01:03,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:01:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:03,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:01:03,203 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:01:03,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418942618] [2021-12-07 01:01:03,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418942618] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:01:03,203 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:01:03,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 01:01:03,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18468364] [2021-12-07 01:01:03,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:01:03,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:01:03,204 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:01:03,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:01:03,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:01:03,205 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 277 [2021-12-07 01:01:03,206 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 251 transitions, 534 flow. Second operand has 3 states, 3 states have (on average 238.33333333333334) internal successors, (715), 3 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:03,206 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:01:03,206 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 277 [2021-12-07 01:01:03,206 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:01:03,301 INFO L129 PetriNetUnfolder]: 85/562 cut-off events. [2021-12-07 01:01:03,301 INFO L130 PetriNetUnfolder]: For 56/240 co-relation queries the response was YES. [2021-12-07 01:01:03,302 INFO L84 FinitePrefix]: Finished finitePrefix Result has 809 conditions, 562 events. 85/562 cut-off events. For 56/240 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2233 event pairs, 72 based on Foata normal form. 0/497 useless extension candidates. Maximal degree in co-relation 273. Up to 176 conditions per place. [2021-12-07 01:01:03,306 INFO L132 encePairwiseOnDemand]: 274/277 looper letters, 21 selfloop transitions, 2 changer transitions 0/250 dead transitions. [2021-12-07 01:01:03,306 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 250 transitions, 578 flow [2021-12-07 01:01:03,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:01:03,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-07 01:01:03,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 733 transitions. [2021-12-07 01:01:03,308 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8820697954271961 [2021-12-07 01:01:03,308 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 733 transitions. [2021-12-07 01:01:03,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 733 transitions. [2021-12-07 01:01:03,308 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:01:03,308 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 733 transitions. [2021-12-07 01:01:03,310 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 244.33333333333334) internal successors, (733), 3 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:03,311 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 277.0) internal successors, (1108), 4 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:03,312 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 277.0) internal successors, (1108), 4 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:03,312 INFO L186 Difference]: Start difference. First operand has 256 places, 251 transitions, 534 flow. Second operand 3 states and 733 transitions. [2021-12-07 01:01:03,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 250 transitions, 578 flow [2021-12-07 01:01:03,314 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 250 transitions, 564 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-07 01:01:03,316 INFO L242 Difference]: Finished difference. Result has 252 places, 250 transitions, 522 flow [2021-12-07 01:01:03,317 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=518, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=522, PETRI_PLACES=252, PETRI_TRANSITIONS=250} [2021-12-07 01:01:03,317 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, -21 predicate places. [2021-12-07 01:01:03,318 INFO L470 AbstractCegarLoop]: Abstraction has has 252 places, 250 transitions, 522 flow [2021-12-07 01:01:03,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 238.33333333333334) internal successors, (715), 3 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:03,318 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:01:03,318 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] [2021-12-07 01:01:03,318 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-07 01:01:03,318 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:01:03,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:01:03,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1006947150, now seen corresponding path program 1 times [2021-12-07 01:01:03,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:01:03,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737062706] [2021-12-07 01:01:03,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:01:03,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:01:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:03,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:01:03,376 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:01:03,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737062706] [2021-12-07 01:01:03,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737062706] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:01:03,377 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:01:03,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 01:01:03,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188458295] [2021-12-07 01:01:03,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:01:03,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:01:03,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:01:03,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:01:03,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:01:03,379 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 277 [2021-12-07 01:01:03,379 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 250 transitions, 522 flow. Second operand has 3 states, 3 states have (on average 241.66666666666666) internal successors, (725), 3 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:03,379 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:01:03,379 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 277 [2021-12-07 01:01:03,379 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:01:03,456 INFO L129 PetriNetUnfolder]: 64/646 cut-off events. [2021-12-07 01:01:03,456 INFO L130 PetriNetUnfolder]: For 32/111 co-relation queries the response was YES. [2021-12-07 01:01:03,457 INFO L84 FinitePrefix]: Finished finitePrefix Result has 832 conditions, 646 events. 64/646 cut-off events. For 32/111 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2400 event pairs, 44 based on Foata normal form. 1/596 useless extension candidates. Maximal degree in co-relation 658. Up to 130 conditions per place. [2021-12-07 01:01:03,460 INFO L132 encePairwiseOnDemand]: 273/277 looper letters, 19 selfloop transitions, 2 changer transitions 0/251 dead transitions. [2021-12-07 01:01:03,460 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 251 transitions, 567 flow [2021-12-07 01:01:03,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:01:03,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-07 01:01:03,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 741 transitions. [2021-12-07 01:01:03,462 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8916967509025271 [2021-12-07 01:01:03,462 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 741 transitions. [2021-12-07 01:01:03,462 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 741 transitions. [2021-12-07 01:01:03,463 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:01:03,463 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 741 transitions. [2021-12-07 01:01:03,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 247.0) internal successors, (741), 3 states have internal predecessors, (741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:03,466 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 277.0) internal successors, (1108), 4 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:03,466 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 277.0) internal successors, (1108), 4 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:03,466 INFO L186 Difference]: Start difference. First operand has 252 places, 250 transitions, 522 flow. Second operand 3 states and 741 transitions. [2021-12-07 01:01:03,466 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 251 transitions, 567 flow [2021-12-07 01:01:03,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 251 transitions, 563 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-07 01:01:03,470 INFO L242 Difference]: Finished difference. Result has 251 places, 250 transitions, 528 flow [2021-12-07 01:01:03,471 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=514, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=246, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=528, PETRI_PLACES=251, PETRI_TRANSITIONS=250} [2021-12-07 01:01:03,471 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, -22 predicate places. [2021-12-07 01:01:03,471 INFO L470 AbstractCegarLoop]: Abstraction has has 251 places, 250 transitions, 528 flow [2021-12-07 01:01:03,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 241.66666666666666) internal successors, (725), 3 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:03,472 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:01:03,472 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] [2021-12-07 01:01:03,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-07 01:01:03,472 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:01:03,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:01:03,472 INFO L85 PathProgramCache]: Analyzing trace with hash -60012088, now seen corresponding path program 1 times [2021-12-07 01:01:03,473 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:01:03,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052263460] [2021-12-07 01:01:03,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:01:03,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:01:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:03,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:01:03,592 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:01:03,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052263460] [2021-12-07 01:01:03,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052263460] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:01:03,592 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:01:03,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:01:03,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922926135] [2021-12-07 01:01:03,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:01:03,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:01:03,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:01:03,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:01:03,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:01:03,595 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 277 [2021-12-07 01:01:03,596 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 250 transitions, 528 flow. Second operand has 6 states, 6 states have (on average 168.0) internal successors, (1008), 6 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:03,596 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:01:03,596 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 277 [2021-12-07 01:01:03,596 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:01:04,269 INFO L129 PetriNetUnfolder]: 1204/3114 cut-off events. [2021-12-07 01:01:04,269 INFO L130 PetriNetUnfolder]: For 361/361 co-relation queries the response was YES. [2021-12-07 01:01:04,274 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5738 conditions, 3114 events. 1204/3114 cut-off events. For 361/361 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 20724 event pairs, 927 based on Foata normal form. 0/2893 useless extension candidates. Maximal degree in co-relation 4811. Up to 2069 conditions per place. [2021-12-07 01:01:04,286 INFO L132 encePairwiseOnDemand]: 264/277 looper letters, 93 selfloop transitions, 31 changer transitions 0/279 dead transitions. [2021-12-07 01:01:04,286 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 279 transitions, 850 flow [2021-12-07 01:01:04,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 01:01:04,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-07 01:01:04,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1100 transitions. [2021-12-07 01:01:04,289 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6618531889290012 [2021-12-07 01:01:04,289 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1100 transitions. [2021-12-07 01:01:04,289 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1100 transitions. [2021-12-07 01:01:04,290 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:01:04,290 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1100 transitions. [2021-12-07 01:01:04,292 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 183.33333333333334) internal successors, (1100), 6 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:04,294 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 277.0) internal successors, (1939), 7 states have internal predecessors, (1939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:04,294 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 277.0) internal successors, (1939), 7 states have internal predecessors, (1939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:04,295 INFO L186 Difference]: Start difference. First operand has 251 places, 250 transitions, 528 flow. Second operand 6 states and 1100 transitions. [2021-12-07 01:01:04,295 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 279 transitions, 850 flow [2021-12-07 01:01:04,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 279 transitions, 850 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-07 01:01:04,299 INFO L242 Difference]: Finished difference. Result has 261 places, 279 transitions, 750 flow [2021-12-07 01:01:04,300 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=528, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=750, PETRI_PLACES=261, PETRI_TRANSITIONS=279} [2021-12-07 01:01:04,300 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, -12 predicate places. [2021-12-07 01:01:04,300 INFO L470 AbstractCegarLoop]: Abstraction has has 261 places, 279 transitions, 750 flow [2021-12-07 01:01:04,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 168.0) internal successors, (1008), 6 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:04,301 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:01:04,301 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, 1, 1] [2021-12-07 01:01:04,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-07 01:01:04,301 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:01:04,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:01:04,301 INFO L85 PathProgramCache]: Analyzing trace with hash 744958798, now seen corresponding path program 1 times [2021-12-07 01:01:04,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:01:04,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051669765] [2021-12-07 01:01:04,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:01:04,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:01:04,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:04,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:01:04,362 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:01:04,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051669765] [2021-12-07 01:01:04,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051669765] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:01:04,362 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:01:04,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:01:04,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685687828] [2021-12-07 01:01:04,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:01:04,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 01:01:04,363 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:01:04,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 01:01:04,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:01:04,364 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 277 [2021-12-07 01:01:04,365 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 279 transitions, 750 flow. Second operand has 5 states, 5 states have (on average 239.8) internal successors, (1199), 5 states have internal predecessors, (1199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:04,365 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:01:04,365 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 277 [2021-12-07 01:01:04,365 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:01:04,558 INFO L129 PetriNetUnfolder]: 427/1540 cut-off events. [2021-12-07 01:01:04,558 INFO L130 PetriNetUnfolder]: For 723/776 co-relation queries the response was YES. [2021-12-07 01:01:04,561 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3293 conditions, 1540 events. 427/1540 cut-off events. For 723/776 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 9735 event pairs, 219 based on Foata normal form. 0/1453 useless extension candidates. Maximal degree in co-relation 2740. Up to 651 conditions per place. [2021-12-07 01:01:04,567 INFO L132 encePairwiseOnDemand]: 272/277 looper letters, 48 selfloop transitions, 4 changer transitions 0/284 dead transitions. [2021-12-07 01:01:04,568 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 284 transitions, 864 flow [2021-12-07 01:01:04,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 01:01:04,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-07 01:01:04,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1455 transitions. [2021-12-07 01:01:04,571 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8754512635379061 [2021-12-07 01:01:04,572 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1455 transitions. [2021-12-07 01:01:04,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1455 transitions. [2021-12-07 01:01:04,573 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:01:04,573 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1455 transitions. [2021-12-07 01:01:04,576 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 242.5) internal successors, (1455), 6 states have internal predecessors, (1455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:04,580 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 277.0) internal successors, (1939), 7 states have internal predecessors, (1939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:04,581 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 277.0) internal successors, (1939), 7 states have internal predecessors, (1939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:04,581 INFO L186 Difference]: Start difference. First operand has 261 places, 279 transitions, 750 flow. Second operand 6 states and 1455 transitions. [2021-12-07 01:01:04,581 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 266 places, 284 transitions, 864 flow [2021-12-07 01:01:04,587 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 266 places, 284 transitions, 848 flow, removed 8 selfloop flow, removed 0 redundant places. [2021-12-07 01:01:04,592 INFO L242 Difference]: Finished difference. Result has 270 places, 282 transitions, 763 flow [2021-12-07 01:01:04,593 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=734, PETRI_DIFFERENCE_MINUEND_PLACES=261, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=763, PETRI_PLACES=270, PETRI_TRANSITIONS=282} [2021-12-07 01:01:04,594 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, -3 predicate places. [2021-12-07 01:01:04,594 INFO L470 AbstractCegarLoop]: Abstraction has has 270 places, 282 transitions, 763 flow [2021-12-07 01:01:04,594 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 239.8) internal successors, (1199), 5 states have internal predecessors, (1199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:04,594 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:01:04,595 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:01:04,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-07 01:01:04,595 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:01:04,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:01:04,595 INFO L85 PathProgramCache]: Analyzing trace with hash 508360337, now seen corresponding path program 1 times [2021-12-07 01:01:04,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:01:04,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291879636] [2021-12-07 01:01:04,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:01:04,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:01:04,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:04,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:01:04,692 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:01:04,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291879636] [2021-12-07 01:01:04,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291879636] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:01:04,692 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:01:04,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:01:04,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938456300] [2021-12-07 01:01:04,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:01:04,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:01:04,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:01:04,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:01:04,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:01:04,695 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 277 [2021-12-07 01:01:04,697 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 282 transitions, 763 flow. Second operand has 6 states, 6 states have (on average 169.0) internal successors, (1014), 6 states have internal predecessors, (1014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:04,697 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:01:04,697 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 277 [2021-12-07 01:01:04,697 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:01:05,297 INFO L129 PetriNetUnfolder]: 1333/3284 cut-off events. [2021-12-07 01:01:05,297 INFO L130 PetriNetUnfolder]: For 1506/1512 co-relation queries the response was YES. [2021-12-07 01:01:05,303 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7944 conditions, 3284 events. 1333/3284 cut-off events. For 1506/1512 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 21792 event pairs, 861 based on Foata normal form. 0/3088 useless extension candidates. Maximal degree in co-relation 7820. Up to 2275 conditions per place. [2021-12-07 01:01:05,314 INFO L132 encePairwiseOnDemand]: 264/277 looper letters, 122 selfloop transitions, 30 changer transitions 0/311 dead transitions. [2021-12-07 01:01:05,314 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 311 transitions, 1189 flow [2021-12-07 01:01:05,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 01:01:05,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-07 01:01:05,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1100 transitions. [2021-12-07 01:01:05,317 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6618531889290012 [2021-12-07 01:01:05,317 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1100 transitions. [2021-12-07 01:01:05,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1100 transitions. [2021-12-07 01:01:05,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:01:05,318 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1100 transitions. [2021-12-07 01:01:05,320 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 183.33333333333334) internal successors, (1100), 6 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:05,322 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 277.0) internal successors, (1939), 7 states have internal predecessors, (1939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:05,322 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 277.0) internal successors, (1939), 7 states have internal predecessors, (1939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:05,322 INFO L186 Difference]: Start difference. First operand has 270 places, 282 transitions, 763 flow. Second operand 6 states and 1100 transitions. [2021-12-07 01:01:05,322 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 311 transitions, 1189 flow [2021-12-07 01:01:05,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 311 transitions, 1188 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-07 01:01:05,329 INFO L242 Difference]: Finished difference. Result has 279 places, 311 transitions, 1028 flow [2021-12-07 01:01:05,329 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=762, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1028, PETRI_PLACES=279, PETRI_TRANSITIONS=311} [2021-12-07 01:01:05,330 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 6 predicate places. [2021-12-07 01:01:05,330 INFO L470 AbstractCegarLoop]: Abstraction has has 279 places, 311 transitions, 1028 flow [2021-12-07 01:01:05,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 169.0) internal successors, (1014), 6 states have internal predecessors, (1014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:05,330 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:01:05,330 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:01:05,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-07 01:01:05,331 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:01:05,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:01:05,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1783042312, now seen corresponding path program 1 times [2021-12-07 01:01:05,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:01:05,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505269997] [2021-12-07 01:01:05,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:01:05,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:01:05,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:05,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:01:05,418 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:01:05,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505269997] [2021-12-07 01:01:05,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505269997] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:01:05,419 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:01:05,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:01:05,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146500273] [2021-12-07 01:01:05,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:01:05,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:01:05,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:01:05,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:01:05,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:01:05,422 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 277 [2021-12-07 01:01:05,423 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 311 transitions, 1028 flow. Second operand has 6 states, 6 states have (on average 171.83333333333334) internal successors, (1031), 6 states have internal predecessors, (1031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:05,423 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:01:05,423 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 277 [2021-12-07 01:01:05,423 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:01:06,366 INFO L129 PetriNetUnfolder]: 1600/3827 cut-off events. [2021-12-07 01:01:06,366 INFO L130 PetriNetUnfolder]: For 3314/3326 co-relation queries the response was YES. [2021-12-07 01:01:06,377 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11252 conditions, 3827 events. 1600/3827 cut-off events. For 3314/3326 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 25913 event pairs, 594 based on Foata normal form. 0/3635 useless extension candidates. Maximal degree in co-relation 9732. Up to 2429 conditions per place. [2021-12-07 01:01:06,388 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 160 selfloop transitions, 27 changer transitions 0/349 dead transitions. [2021-12-07 01:01:06,389 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 349 transitions, 1596 flow [2021-12-07 01:01:06,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 01:01:06,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-07 01:01:06,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1120 transitions. [2021-12-07 01:01:06,391 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6738868832731648 [2021-12-07 01:01:06,392 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1120 transitions. [2021-12-07 01:01:06,392 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1120 transitions. [2021-12-07 01:01:06,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:01:06,392 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1120 transitions. [2021-12-07 01:01:06,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 186.66666666666666) internal successors, (1120), 6 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:06,396 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 277.0) internal successors, (1939), 7 states have internal predecessors, (1939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:06,397 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 277.0) internal successors, (1939), 7 states have internal predecessors, (1939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:06,397 INFO L186 Difference]: Start difference. First operand has 279 places, 311 transitions, 1028 flow. Second operand 6 states and 1120 transitions. [2021-12-07 01:01:06,397 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 349 transitions, 1596 flow [2021-12-07 01:01:06,403 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 349 transitions, 1532 flow, removed 32 selfloop flow, removed 0 redundant places. [2021-12-07 01:01:06,406 INFO L242 Difference]: Finished difference. Result has 288 places, 332 transitions, 1222 flow [2021-12-07 01:01:06,407 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=962, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1222, PETRI_PLACES=288, PETRI_TRANSITIONS=332} [2021-12-07 01:01:06,407 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 15 predicate places. [2021-12-07 01:01:06,408 INFO L470 AbstractCegarLoop]: Abstraction has has 288 places, 332 transitions, 1222 flow [2021-12-07 01:01:06,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 171.83333333333334) internal successors, (1031), 6 states have internal predecessors, (1031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:06,408 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:01:06,408 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:01:06,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-07 01:01:06,408 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:01:06,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:01:06,409 INFO L85 PathProgramCache]: Analyzing trace with hash -610642984, now seen corresponding path program 1 times [2021-12-07 01:01:06,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:01:06,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614228862] [2021-12-07 01:01:06,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:01:06,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:01:06,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:06,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:01:06,492 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:01:06,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614228862] [2021-12-07 01:01:06,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614228862] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:01:06,493 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:01:06,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:01:06,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662073449] [2021-12-07 01:01:06,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:01:06,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:01:06,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:01:06,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:01:06,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:01:06,495 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 277 [2021-12-07 01:01:06,495 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 332 transitions, 1222 flow. Second operand has 6 states, 6 states have (on average 178.16666666666666) internal successors, (1069), 6 states have internal predecessors, (1069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:06,496 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:01:06,496 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 277 [2021-12-07 01:01:06,496 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:01:07,312 INFO L129 PetriNetUnfolder]: 1523/3812 cut-off events. [2021-12-07 01:01:07,312 INFO L130 PetriNetUnfolder]: For 5124/5325 co-relation queries the response was YES. [2021-12-07 01:01:07,324 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12263 conditions, 3812 events. 1523/3812 cut-off events. For 5124/5325 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 26194 event pairs, 588 based on Foata normal form. 0/3631 useless extension candidates. Maximal degree in co-relation 10673. Up to 2530 conditions per place. [2021-12-07 01:01:07,339 INFO L132 encePairwiseOnDemand]: 266/277 looper letters, 187 selfloop transitions, 30 changer transitions 0/388 dead transitions. [2021-12-07 01:01:07,339 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 293 places, 388 transitions, 1956 flow [2021-12-07 01:01:07,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 01:01:07,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-07 01:01:07,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1168 transitions. [2021-12-07 01:01:07,343 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7027677496991577 [2021-12-07 01:01:07,343 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1168 transitions. [2021-12-07 01:01:07,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1168 transitions. [2021-12-07 01:01:07,344 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:01:07,344 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1168 transitions. [2021-12-07 01:01:07,347 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 194.66666666666666) internal successors, (1168), 6 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:07,350 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 277.0) internal successors, (1939), 7 states have internal predecessors, (1939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:07,350 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 277.0) internal successors, (1939), 7 states have internal predecessors, (1939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:07,350 INFO L186 Difference]: Start difference. First operand has 288 places, 332 transitions, 1222 flow. Second operand 6 states and 1168 transitions. [2021-12-07 01:01:07,351 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 293 places, 388 transitions, 1956 flow [2021-12-07 01:01:07,362 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 388 transitions, 1936 flow, removed 10 selfloop flow, removed 0 redundant places. [2021-12-07 01:01:07,368 INFO L242 Difference]: Finished difference. Result has 298 places, 361 transitions, 1542 flow [2021-12-07 01:01:07,369 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=1204, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=332, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1542, PETRI_PLACES=298, PETRI_TRANSITIONS=361} [2021-12-07 01:01:07,370 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 25 predicate places. [2021-12-07 01:01:07,370 INFO L470 AbstractCegarLoop]: Abstraction has has 298 places, 361 transitions, 1542 flow [2021-12-07 01:01:07,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 178.16666666666666) internal successors, (1069), 6 states have internal predecessors, (1069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:07,371 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:01:07,371 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:01:07,371 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-07 01:01:07,372 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:01:07,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:01:07,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1656784559, now seen corresponding path program 1 times [2021-12-07 01:01:07,372 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:01:07,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819951816] [2021-12-07 01:01:07,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:01:07,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:01:07,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:07,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:01:07,439 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:01:07,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819951816] [2021-12-07 01:01:07,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819951816] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:01:07,440 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:01:07,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:01:07,440 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401424880] [2021-12-07 01:01:07,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:01:07,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 01:01:07,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:01:07,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 01:01:07,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:01:07,442 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 277 [2021-12-07 01:01:07,444 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 361 transitions, 1542 flow. Second operand has 5 states, 5 states have (on average 240.4) internal successors, (1202), 5 states have internal predecessors, (1202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:07,444 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:01:07,444 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 277 [2021-12-07 01:01:07,444 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:01:07,697 INFO L129 PetriNetUnfolder]: 329/1262 cut-off events. [2021-12-07 01:01:07,697 INFO L130 PetriNetUnfolder]: For 2845/2905 co-relation queries the response was YES. [2021-12-07 01:01:07,701 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3655 conditions, 1262 events. 329/1262 cut-off events. For 2845/2905 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 6824 event pairs, 12 based on Foata normal form. 19/1247 useless extension candidates. Maximal degree in co-relation 3519. Up to 344 conditions per place. [2021-12-07 01:01:07,705 INFO L132 encePairwiseOnDemand]: 272/277 looper letters, 79 selfloop transitions, 4 changer transitions 16/311 dead transitions. [2021-12-07 01:01:07,705 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 311 transitions, 1446 flow [2021-12-07 01:01:07,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 01:01:07,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-07 01:01:07,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1478 transitions. [2021-12-07 01:01:07,708 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8892900120336944 [2021-12-07 01:01:07,708 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1478 transitions. [2021-12-07 01:01:07,708 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1478 transitions. [2021-12-07 01:01:07,709 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:01:07,709 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1478 transitions. [2021-12-07 01:01:07,711 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 246.33333333333334) internal successors, (1478), 6 states have internal predecessors, (1478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:07,713 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 277.0) internal successors, (1939), 7 states have internal predecessors, (1939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:07,713 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 277.0) internal successors, (1939), 7 states have internal predecessors, (1939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:07,713 INFO L186 Difference]: Start difference. First operand has 298 places, 361 transitions, 1542 flow. Second operand 6 states and 1478 transitions. [2021-12-07 01:01:07,713 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 311 transitions, 1446 flow [2021-12-07 01:01:07,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 311 transitions, 1345 flow, removed 15 selfloop flow, removed 25 redundant places. [2021-12-07 01:01:07,730 INFO L242 Difference]: Finished difference. Result has 276 places, 262 transitions, 881 flow [2021-12-07 01:01:07,730 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=905, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=881, PETRI_PLACES=276, PETRI_TRANSITIONS=262} [2021-12-07 01:01:07,731 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 3 predicate places. [2021-12-07 01:01:07,731 INFO L470 AbstractCegarLoop]: Abstraction has has 276 places, 262 transitions, 881 flow [2021-12-07 01:01:07,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 240.4) internal successors, (1202), 5 states have internal predecessors, (1202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:07,731 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:01:07,731 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:01:07,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-07 01:01:07,732 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:01:07,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:01:07,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1244947651, now seen corresponding path program 1 times [2021-12-07 01:01:07,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:01:07,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004162714] [2021-12-07 01:01:07,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:01:07,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:01:07,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:08,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:01:08,153 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:01:08,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004162714] [2021-12-07 01:01:08,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004162714] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:01:08,154 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:01:08,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:01:08,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825459107] [2021-12-07 01:01:08,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:01:08,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:01:08,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:01:08,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:01:08,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:01:08,156 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:01:08,158 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 262 transitions, 881 flow. Second operand has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:08,158 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:01:08,158 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:01:08,158 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:01:09,652 INFO L129 PetriNetUnfolder]: 867/2021 cut-off events. [2021-12-07 01:01:09,652 INFO L130 PetriNetUnfolder]: For 3217/3217 co-relation queries the response was YES. [2021-12-07 01:01:09,657 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6552 conditions, 2021 events. 867/2021 cut-off events. For 3217/3217 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 11219 event pairs, 126 based on Foata normal form. 10/1997 useless extension candidates. Maximal degree in co-relation 6264. Up to 605 conditions per place. [2021-12-07 01:01:09,663 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 225 selfloop transitions, 84 changer transitions 0/439 dead transitions. [2021-12-07 01:01:09,663 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 439 transitions, 2264 flow [2021-12-07 01:01:09,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-07 01:01:09,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-12-07 01:01:09,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3413 transitions. [2021-12-07 01:01:09,670 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5867285542375795 [2021-12-07 01:01:09,670 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 3413 transitions. [2021-12-07 01:01:09,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 3413 transitions. [2021-12-07 01:01:09,672 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:01:09,672 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 3413 transitions. [2021-12-07 01:01:09,677 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 162.52380952380952) internal successors, (3413), 21 states have internal predecessors, (3413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:09,683 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 277.0) internal successors, (6094), 22 states have internal predecessors, (6094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:09,684 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 277.0) internal successors, (6094), 22 states have internal predecessors, (6094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:09,684 INFO L186 Difference]: Start difference. First operand has 276 places, 262 transitions, 881 flow. Second operand 21 states and 3413 transitions. [2021-12-07 01:01:09,684 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 439 transitions, 2264 flow [2021-12-07 01:01:09,694 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 439 transitions, 2236 flow, removed 3 selfloop flow, removed 7 redundant places. [2021-12-07 01:01:09,699 INFO L242 Difference]: Finished difference. Result has 277 places, 315 transitions, 1500 flow [2021-12-07 01:01:09,699 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=856, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1500, PETRI_PLACES=277, PETRI_TRANSITIONS=315} [2021-12-07 01:01:09,700 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 4 predicate places. [2021-12-07 01:01:09,700 INFO L470 AbstractCegarLoop]: Abstraction has has 277 places, 315 transitions, 1500 flow [2021-12-07 01:01:09,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:09,700 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:01:09,700 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:01:09,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-07 01:01:09,701 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:01:09,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:01:09,701 INFO L85 PathProgramCache]: Analyzing trace with hash -293306895, now seen corresponding path program 2 times [2021-12-07 01:01:09,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:01:09,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911155339] [2021-12-07 01:01:09,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:01:09,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:01:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:10,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:01:10,168 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:01:10,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911155339] [2021-12-07 01:01:10,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911155339] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:01:10,168 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:01:10,168 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:01:10,168 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275730768] [2021-12-07 01:01:10,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:01:10,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:01:10,169 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:01:10,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:01:10,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:01:10,171 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:01:10,172 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 315 transitions, 1500 flow. Second operand has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:10,172 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:01:10,172 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:01:10,172 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:01:11,441 INFO L129 PetriNetUnfolder]: 1083/2332 cut-off events. [2021-12-07 01:01:11,441 INFO L130 PetriNetUnfolder]: For 6063/6065 co-relation queries the response was YES. [2021-12-07 01:01:11,446 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9524 conditions, 2332 events. 1083/2332 cut-off events. For 6063/6065 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 12946 event pairs, 186 based on Foata normal form. 10/2303 useless extension candidates. Maximal degree in co-relation 9230. Up to 898 conditions per place. [2021-12-07 01:01:11,454 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 268 selfloop transitions, 80 changer transitions 0/478 dead transitions. [2021-12-07 01:01:11,454 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 478 transitions, 3170 flow [2021-12-07 01:01:11,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:01:11,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-07 01:01:11,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2477 transitions. [2021-12-07 01:01:11,460 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5961492178098676 [2021-12-07 01:01:11,460 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2477 transitions. [2021-12-07 01:01:11,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2477 transitions. [2021-12-07 01:01:11,461 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:01:11,461 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2477 transitions. [2021-12-07 01:01:11,465 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 165.13333333333333) internal successors, (2477), 15 states have internal predecessors, (2477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:11,469 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:11,469 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:11,469 INFO L186 Difference]: Start difference. First operand has 277 places, 315 transitions, 1500 flow. Second operand 15 states and 2477 transitions. [2021-12-07 01:01:11,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 478 transitions, 3170 flow [2021-12-07 01:01:11,496 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 478 transitions, 3083 flow, removed 33 selfloop flow, removed 6 redundant places. [2021-12-07 01:01:11,501 INFO L242 Difference]: Finished difference. Result has 292 places, 368 transitions, 2386 flow [2021-12-07 01:01:11,502 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=1455, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2386, PETRI_PLACES=292, PETRI_TRANSITIONS=368} [2021-12-07 01:01:11,502 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 19 predicate places. [2021-12-07 01:01:11,502 INFO L470 AbstractCegarLoop]: Abstraction has has 292 places, 368 transitions, 2386 flow [2021-12-07 01:01:11,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:11,502 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:01:11,503 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:01:11,503 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-07 01:01:11,503 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:01:11,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:01:11,503 INFO L85 PathProgramCache]: Analyzing trace with hash 694093385, now seen corresponding path program 3 times [2021-12-07 01:01:11,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:01:11,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434372836] [2021-12-07 01:01:11,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:01:11,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:01:11,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:12,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:01:12,222 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:01:12,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434372836] [2021-12-07 01:01:12,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434372836] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:01:12,223 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:01:12,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:01:12,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72632120] [2021-12-07 01:01:12,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:01:12,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:01:12,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:01:12,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:01:12,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:01:12,225 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:01:12,226 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 368 transitions, 2386 flow. Second operand has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:12,226 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:01:12,226 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:01:12,226 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:01:13,797 INFO L129 PetriNetUnfolder]: 1065/2354 cut-off events. [2021-12-07 01:01:13,797 INFO L130 PetriNetUnfolder]: For 8023/8025 co-relation queries the response was YES. [2021-12-07 01:01:13,807 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10391 conditions, 2354 events. 1065/2354 cut-off events. For 8023/8025 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 13290 event pairs, 213 based on Foata normal form. 10/2323 useless extension candidates. Maximal degree in co-relation 10194. Up to 889 conditions per place. [2021-12-07 01:01:13,817 INFO L132 encePairwiseOnDemand]: 261/277 looper letters, 271 selfloop transitions, 82 changer transitions 0/483 dead transitions. [2021-12-07 01:01:13,817 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 483 transitions, 3562 flow [2021-12-07 01:01:13,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:01:13,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-07 01:01:13,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2474 transitions. [2021-12-07 01:01:13,822 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5954271961492178 [2021-12-07 01:01:13,822 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2474 transitions. [2021-12-07 01:01:13,822 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2474 transitions. [2021-12-07 01:01:13,823 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:01:13,823 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2474 transitions. [2021-12-07 01:01:13,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 164.93333333333334) internal successors, (2474), 15 states have internal predecessors, (2474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:13,831 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:13,832 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:13,832 INFO L186 Difference]: Start difference. First operand has 292 places, 368 transitions, 2386 flow. Second operand 15 states and 2474 transitions. [2021-12-07 01:01:13,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 483 transitions, 3562 flow [2021-12-07 01:01:13,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 483 transitions, 3553 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-07 01:01:13,870 INFO L242 Difference]: Finished difference. Result has 303 places, 375 transitions, 2689 flow [2021-12-07 01:01:13,870 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=2377, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2689, PETRI_PLACES=303, PETRI_TRANSITIONS=375} [2021-12-07 01:01:13,871 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 30 predicate places. [2021-12-07 01:01:13,871 INFO L470 AbstractCegarLoop]: Abstraction has has 303 places, 375 transitions, 2689 flow [2021-12-07 01:01:13,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:13,871 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:01:13,872 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:01:13,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-07 01:01:13,872 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:01:13,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:01:13,872 INFO L85 PathProgramCache]: Analyzing trace with hash 798101735, now seen corresponding path program 4 times [2021-12-07 01:01:13,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:01:13,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236133159] [2021-12-07 01:01:13,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:01:13,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:01:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:14,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:01:14,244 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:01:14,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236133159] [2021-12-07 01:01:14,244 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236133159] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:01:14,244 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:01:14,244 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:01:14,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037482450] [2021-12-07 01:01:14,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:01:14,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:01:14,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:01:14,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:01:14,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:01:14,248 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:01:14,249 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 375 transitions, 2689 flow. Second operand has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:14,249 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:01:14,249 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:01:14,249 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:01:15,575 INFO L129 PetriNetUnfolder]: 1247/2601 cut-off events. [2021-12-07 01:01:15,575 INFO L130 PetriNetUnfolder]: For 12181/12183 co-relation queries the response was YES. [2021-12-07 01:01:15,583 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13059 conditions, 2601 events. 1247/2601 cut-off events. For 12181/12183 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 14687 event pairs, 218 based on Foata normal form. 10/2566 useless extension candidates. Maximal degree in co-relation 12850. Up to 1294 conditions per place. [2021-12-07 01:01:15,591 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 300 selfloop transitions, 108 changer transitions 0/538 dead transitions. [2021-12-07 01:01:15,591 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 538 transitions, 4697 flow [2021-12-07 01:01:15,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:01:15,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-07 01:01:15,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2478 transitions. [2021-12-07 01:01:15,594 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5963898916967509 [2021-12-07 01:01:15,594 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2478 transitions. [2021-12-07 01:01:15,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2478 transitions. [2021-12-07 01:01:15,595 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:01:15,595 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2478 transitions. [2021-12-07 01:01:15,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 165.2) internal successors, (2478), 15 states have internal predecessors, (2478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:15,600 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:15,601 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:15,601 INFO L186 Difference]: Start difference. First operand has 303 places, 375 transitions, 2689 flow. Second operand 15 states and 2478 transitions. [2021-12-07 01:01:15,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 538 transitions, 4697 flow [2021-12-07 01:01:15,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 538 transitions, 4569 flow, removed 0 selfloop flow, removed 11 redundant places. [2021-12-07 01:01:15,658 INFO L242 Difference]: Finished difference. Result has 313 places, 434 transitions, 3888 flow [2021-12-07 01:01:15,659 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=2582, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=3888, PETRI_PLACES=313, PETRI_TRANSITIONS=434} [2021-12-07 01:01:15,659 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 40 predicate places. [2021-12-07 01:01:15,659 INFO L470 AbstractCegarLoop]: Abstraction has has 313 places, 434 transitions, 3888 flow [2021-12-07 01:01:15,659 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:15,660 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:01:15,660 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:01:15,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-07 01:01:15,660 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:01:15,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:01:15,660 INFO L85 PathProgramCache]: Analyzing trace with hash 322331627, now seen corresponding path program 5 times [2021-12-07 01:01:15,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:01:15,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515715784] [2021-12-07 01:01:15,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:01:15,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:01:15,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:16,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:01:16,088 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:01:16,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515715784] [2021-12-07 01:01:16,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515715784] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:01:16,089 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:01:16,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:01:16,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384688341] [2021-12-07 01:01:16,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:01:16,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:01:16,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:01:16,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:01:16,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:01:16,091 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:01:16,092 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 434 transitions, 3888 flow. Second operand has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:16,092 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:01:16,093 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:01:16,093 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:01:17,727 INFO L129 PetriNetUnfolder]: 1229/2573 cut-off events. [2021-12-07 01:01:17,727 INFO L130 PetriNetUnfolder]: For 15707/15709 co-relation queries the response was YES. [2021-12-07 01:01:17,736 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13713 conditions, 2573 events. 1229/2573 cut-off events. For 15707/15709 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 14556 event pairs, 220 based on Foata normal form. 10/2538 useless extension candidates. Maximal degree in co-relation 13399. Up to 1285 conditions per place. [2021-12-07 01:01:17,745 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 304 selfloop transitions, 106 changer transitions 0/540 dead transitions. [2021-12-07 01:01:17,745 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 327 places, 540 transitions, 5120 flow [2021-12-07 01:01:17,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:01:17,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-07 01:01:17,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2476 transitions. [2021-12-07 01:01:17,748 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5959085439229843 [2021-12-07 01:01:17,748 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2476 transitions. [2021-12-07 01:01:17,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2476 transitions. [2021-12-07 01:01:17,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:01:17,748 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2476 transitions. [2021-12-07 01:01:17,751 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 165.06666666666666) internal successors, (2476), 15 states have internal predecessors, (2476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:17,754 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:17,754 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:17,754 INFO L186 Difference]: Start difference. First operand has 313 places, 434 transitions, 3888 flow. Second operand 15 states and 2476 transitions. [2021-12-07 01:01:17,754 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 327 places, 540 transitions, 5120 flow [2021-12-07 01:01:17,829 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 540 transitions, 5078 flow, removed 9 selfloop flow, removed 7 redundant places. [2021-12-07 01:01:17,836 INFO L242 Difference]: Finished difference. Result has 321 places, 437 transitions, 4132 flow [2021-12-07 01:01:17,836 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=3846, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=434, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=103, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=331, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=4132, PETRI_PLACES=321, PETRI_TRANSITIONS=437} [2021-12-07 01:01:17,837 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 48 predicate places. [2021-12-07 01:01:17,837 INFO L470 AbstractCegarLoop]: Abstraction has has 321 places, 437 transitions, 4132 flow [2021-12-07 01:01:17,837 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:17,837 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:01:17,837 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:01:17,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-07 01:01:17,837 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:01:17,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:01:17,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1422883499, now seen corresponding path program 6 times [2021-12-07 01:01:17,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:01:17,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119687441] [2021-12-07 01:01:17,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:01:17,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:01:17,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:18,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:01:18,173 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:01:18,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119687441] [2021-12-07 01:01:18,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119687441] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:01:18,174 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:01:18,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:01:18,174 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182070876] [2021-12-07 01:01:18,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:01:18,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:01:18,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:01:18,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:01:18,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:01:18,176 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:01:18,177 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 437 transitions, 4132 flow. Second operand has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:18,177 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:01:18,177 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:01:18,177 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:01:19,853 INFO L129 PetriNetUnfolder]: 1429/2926 cut-off events. [2021-12-07 01:01:19,853 INFO L130 PetriNetUnfolder]: For 20529/20531 co-relation queries the response was YES. [2021-12-07 01:01:19,864 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16600 conditions, 2926 events. 1429/2926 cut-off events. For 20529/20531 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 17149 event pairs, 261 based on Foata normal form. 10/2890 useless extension candidates. Maximal degree in co-relation 16284. Up to 1375 conditions per place. [2021-12-07 01:01:19,874 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 308 selfloop transitions, 151 changer transitions 0/589 dead transitions. [2021-12-07 01:01:19,875 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 589 transitions, 6171 flow [2021-12-07 01:01:19,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-07 01:01:19,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-12-07 01:01:19,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2793 transitions. [2021-12-07 01:01:19,877 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5931195582926311 [2021-12-07 01:01:19,877 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 2793 transitions. [2021-12-07 01:01:19,878 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 2793 transitions. [2021-12-07 01:01:19,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:01:19,878 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 2793 transitions. [2021-12-07 01:01:19,880 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 164.2941176470588) internal successors, (2793), 17 states have internal predecessors, (2793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:19,901 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 277.0) internal successors, (4986), 18 states have internal predecessors, (4986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:19,901 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 277.0) internal successors, (4986), 18 states have internal predecessors, (4986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:19,901 INFO L186 Difference]: Start difference. First operand has 321 places, 437 transitions, 4132 flow. Second operand 17 states and 2793 transitions. [2021-12-07 01:01:19,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 589 transitions, 6171 flow [2021-12-07 01:01:19,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 589 transitions, 5967 flow, removed 6 selfloop flow, removed 11 redundant places. [2021-12-07 01:01:19,991 INFO L242 Difference]: Finished difference. Result has 333 places, 483 transitions, 5305 flow [2021-12-07 01:01:19,992 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=3956, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=109, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=5305, PETRI_PLACES=333, PETRI_TRANSITIONS=483} [2021-12-07 01:01:19,992 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 60 predicate places. [2021-12-07 01:01:19,992 INFO L470 AbstractCegarLoop]: Abstraction has has 333 places, 483 transitions, 5305 flow [2021-12-07 01:01:19,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:19,993 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:01:19,993 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:01:19,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-07 01:01:19,993 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:01:19,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:01:19,993 INFO L85 PathProgramCache]: Analyzing trace with hash -60557911, now seen corresponding path program 7 times [2021-12-07 01:01:19,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:01:19,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430675064] [2021-12-07 01:01:19,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:01:19,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:01:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:20,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:01:20,351 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:01:20,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430675064] [2021-12-07 01:01:20,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430675064] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:01:20,351 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:01:20,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:01:20,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960422598] [2021-12-07 01:01:20,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:01:20,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:01:20,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:01:20,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:01:20,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:01:20,354 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:01:20,355 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 333 places, 483 transitions, 5305 flow. Second operand has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:20,355 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:01:20,355 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:01:20,355 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:01:22,245 INFO L129 PetriNetUnfolder]: 1602/3181 cut-off events. [2021-12-07 01:01:22,245 INFO L130 PetriNetUnfolder]: For 29728/29730 co-relation queries the response was YES. [2021-12-07 01:01:22,257 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20034 conditions, 3181 events. 1602/3181 cut-off events. For 29728/29730 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 18776 event pairs, 246 based on Foata normal form. 10/3146 useless extension candidates. Maximal degree in co-relation 19767. Up to 1658 conditions per place. [2021-12-07 01:01:22,270 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 337 selfloop transitions, 163 changer transitions 0/630 dead transitions. [2021-12-07 01:01:22,270 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 630 transitions, 7617 flow [2021-12-07 01:01:22,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-07 01:01:22,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-12-07 01:01:22,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2635 transitions. [2021-12-07 01:01:22,273 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5945397111913358 [2021-12-07 01:01:22,273 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2635 transitions. [2021-12-07 01:01:22,273 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2635 transitions. [2021-12-07 01:01:22,273 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:01:22,273 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2635 transitions. [2021-12-07 01:01:22,276 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 164.6875) internal successors, (2635), 16 states have internal predecessors, (2635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:22,279 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 277.0) internal successors, (4709), 17 states have internal predecessors, (4709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:22,279 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 277.0) internal successors, (4709), 17 states have internal predecessors, (4709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:22,279 INFO L186 Difference]: Start difference. First operand has 333 places, 483 transitions, 5305 flow. Second operand 16 states and 2635 transitions. [2021-12-07 01:01:22,279 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 630 transitions, 7617 flow [2021-12-07 01:01:22,418 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 630 transitions, 7468 flow, removed 51 selfloop flow, removed 8 redundant places. [2021-12-07 01:01:22,427 INFO L242 Difference]: Finished difference. Result has 346 places, 527 transitions, 6742 flow [2021-12-07 01:01:22,427 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=5193, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=483, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=123, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=343, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=6742, PETRI_PLACES=346, PETRI_TRANSITIONS=527} [2021-12-07 01:01:22,427 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 73 predicate places. [2021-12-07 01:01:22,427 INFO L470 AbstractCegarLoop]: Abstraction has has 346 places, 527 transitions, 6742 flow [2021-12-07 01:01:22,428 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:22,428 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:01:22,428 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:01:22,428 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-07 01:01:22,428 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:01:22,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:01:22,428 INFO L85 PathProgramCache]: Analyzing trace with hash 510908657, now seen corresponding path program 8 times [2021-12-07 01:01:22,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:01:22,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791961820] [2021-12-07 01:01:22,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:01:22,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:01:22,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:22,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:01:22,887 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:01:22,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791961820] [2021-12-07 01:01:22,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791961820] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:01:22,887 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:01:22,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:01:22,888 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065826165] [2021-12-07 01:01:22,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:01:22,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:01:22,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:01:22,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:01:22,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:01:22,890 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:01:22,891 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 346 places, 527 transitions, 6742 flow. Second operand has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:22,891 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:01:22,891 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:01:22,891 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:01:24,656 INFO L129 PetriNetUnfolder]: 1584/3153 cut-off events. [2021-12-07 01:01:24,656 INFO L130 PetriNetUnfolder]: For 35321/35323 co-relation queries the response was YES. [2021-12-07 01:01:24,669 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20987 conditions, 3153 events. 1584/3153 cut-off events. For 35321/35323 co-relation queries the response was YES. Maximal size of possible extension queue 189. Compared 18663 event pairs, 249 based on Foata normal form. 10/3118 useless extension candidates. Maximal degree in co-relation 20684. Up to 1649 conditions per place. [2021-12-07 01:01:24,681 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 346 selfloop transitions, 160 changer transitions 0/636 dead transitions. [2021-12-07 01:01:24,681 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 636 transitions, 8336 flow [2021-12-07 01:01:24,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:01:24,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-07 01:01:24,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2478 transitions. [2021-12-07 01:01:24,684 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5963898916967509 [2021-12-07 01:01:24,684 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2478 transitions. [2021-12-07 01:01:24,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2478 transitions. [2021-12-07 01:01:24,684 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:01:24,684 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2478 transitions. [2021-12-07 01:01:24,687 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 165.2) internal successors, (2478), 15 states have internal predecessors, (2478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:24,689 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:24,690 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:24,690 INFO L186 Difference]: Start difference. First operand has 346 places, 527 transitions, 6742 flow. Second operand 15 states and 2478 transitions. [2021-12-07 01:01:24,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 360 places, 636 transitions, 8336 flow [2021-12-07 01:01:24,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 352 places, 636 transitions, 8275 flow, removed 10 selfloop flow, removed 8 redundant places. [2021-12-07 01:01:24,842 INFO L242 Difference]: Finished difference. Result has 353 places, 538 transitions, 7312 flow [2021-12-07 01:01:24,843 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=6681, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=527, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=150, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=7312, PETRI_PLACES=353, PETRI_TRANSITIONS=538} [2021-12-07 01:01:24,843 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 80 predicate places. [2021-12-07 01:01:24,843 INFO L470 AbstractCegarLoop]: Abstraction has has 353 places, 538 transitions, 7312 flow [2021-12-07 01:01:24,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:24,844 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:01:24,844 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:01:24,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-07 01:01:24,844 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:01:24,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:01:24,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1007005587, now seen corresponding path program 9 times [2021-12-07 01:01:24,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:01:24,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377751728] [2021-12-07 01:01:24,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:01:24,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:01:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:25,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:01:25,427 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:01:25,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377751728] [2021-12-07 01:01:25,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377751728] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:01:25,427 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:01:25,427 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:01:25,427 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924025299] [2021-12-07 01:01:25,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:01:25,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:01:25,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:01:25,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:01:25,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:01:25,430 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:01:25,431 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 538 transitions, 7312 flow. Second operand has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:25,432 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:01:25,432 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:01:25,432 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:01:26,983 INFO L129 PetriNetUnfolder]: 1566/3125 cut-off events. [2021-12-07 01:01:26,983 INFO L130 PetriNetUnfolder]: For 37421/37423 co-relation queries the response was YES. [2021-12-07 01:01:26,998 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21410 conditions, 3125 events. 1566/3125 cut-off events. For 37421/37423 co-relation queries the response was YES. Maximal size of possible extension queue 187. Compared 18366 event pairs, 232 based on Foata normal form. 10/3090 useless extension candidates. Maximal degree in co-relation 21079. Up to 1446 conditions per place. [2021-12-07 01:01:27,030 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 331 selfloop transitions, 182 changer transitions 0/643 dead transitions. [2021-12-07 01:01:27,030 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 367 places, 643 transitions, 8793 flow [2021-12-07 01:01:27,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:01:27,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-07 01:01:27,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2479 transitions. [2021-12-07 01:01:27,033 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5966305655836341 [2021-12-07 01:01:27,033 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2479 transitions. [2021-12-07 01:01:27,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2479 transitions. [2021-12-07 01:01:27,033 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:01:27,033 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2479 transitions. [2021-12-07 01:01:27,035 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 165.26666666666668) internal successors, (2479), 15 states have internal predecessors, (2479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:27,038 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:27,039 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:27,039 INFO L186 Difference]: Start difference. First operand has 353 places, 538 transitions, 7312 flow. Second operand 15 states and 2479 transitions. [2021-12-07 01:01:27,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 367 places, 643 transitions, 8793 flow [2021-12-07 01:01:27,198 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 643 transitions, 8569 flow, removed 22 selfloop flow, removed 10 redundant places. [2021-12-07 01:01:27,207 INFO L242 Difference]: Finished difference. Result has 359 places, 545 transitions, 7664 flow [2021-12-07 01:01:27,208 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=7088, PETRI_DIFFERENCE_MINUEND_PLACES=343, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=538, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=175, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=7664, PETRI_PLACES=359, PETRI_TRANSITIONS=545} [2021-12-07 01:01:27,208 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 86 predicate places. [2021-12-07 01:01:27,208 INFO L470 AbstractCegarLoop]: Abstraction has has 359 places, 545 transitions, 7664 flow [2021-12-07 01:01:27,209 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:27,209 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:01:27,209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:01:27,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-07 01:01:27,209 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:01:27,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:01:27,209 INFO L85 PathProgramCache]: Analyzing trace with hash 201207363, now seen corresponding path program 10 times [2021-12-07 01:01:27,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:01:27,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883548663] [2021-12-07 01:01:27,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:01:27,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:01:27,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:27,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:01:27,520 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:01:27,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883548663] [2021-12-07 01:01:27,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883548663] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:01:27,520 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:01:27,520 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:01:27,520 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422043124] [2021-12-07 01:01:27,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:01:27,521 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:01:27,521 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:01:27,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:01:27,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:01:27,522 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:01:27,523 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 545 transitions, 7664 flow. Second operand has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:27,523 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:01:27,523 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:01:27,524 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:01:29,098 INFO L129 PetriNetUnfolder]: 1638/3262 cut-off events. [2021-12-07 01:01:29,099 INFO L130 PetriNetUnfolder]: For 44887/44889 co-relation queries the response was YES. [2021-12-07 01:01:29,114 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23279 conditions, 3262 events. 1638/3262 cut-off events. For 44887/44889 co-relation queries the response was YES. Maximal size of possible extension queue 200. Compared 19602 event pairs, 481 based on Foata normal form. 12/3227 useless extension candidates. Maximal degree in co-relation 22947. Up to 1960 conditions per place. [2021-12-07 01:01:29,127 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 337 selfloop transitions, 198 changer transitions 0/665 dead transitions. [2021-12-07 01:01:29,127 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 665 transitions, 9776 flow [2021-12-07 01:01:29,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-07 01:01:29,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-07 01:01:29,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2165 transitions. [2021-12-07 01:01:29,130 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6012218828103305 [2021-12-07 01:01:29,130 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2165 transitions. [2021-12-07 01:01:29,130 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2165 transitions. [2021-12-07 01:01:29,131 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:01:29,131 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2165 transitions. [2021-12-07 01:01:29,133 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 166.53846153846155) internal successors, (2165), 13 states have internal predecessors, (2165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:29,134 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 277.0) internal successors, (3878), 14 states have internal predecessors, (3878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:29,135 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 277.0) internal successors, (3878), 14 states have internal predecessors, (3878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:29,135 INFO L186 Difference]: Start difference. First operand has 359 places, 545 transitions, 7664 flow. Second operand 13 states and 2165 transitions. [2021-12-07 01:01:29,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 665 transitions, 9776 flow [2021-12-07 01:01:29,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 665 transitions, 9513 flow, removed 33 selfloop flow, removed 9 redundant places. [2021-12-07 01:01:29,353 INFO L242 Difference]: Finished difference. Result has 366 places, 575 transitions, 8885 flow [2021-12-07 01:01:29,354 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=7417, PETRI_DIFFERENCE_MINUEND_PLACES=350, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=545, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=168, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=359, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=8885, PETRI_PLACES=366, PETRI_TRANSITIONS=575} [2021-12-07 01:01:29,354 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 93 predicate places. [2021-12-07 01:01:29,354 INFO L470 AbstractCegarLoop]: Abstraction has has 366 places, 575 transitions, 8885 flow [2021-12-07 01:01:29,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:29,355 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:01:29,355 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:01:29,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-07 01:01:29,355 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:01:29,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:01:29,355 INFO L85 PathProgramCache]: Analyzing trace with hash -821741219, now seen corresponding path program 11 times [2021-12-07 01:01:29,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:01:29,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253072968] [2021-12-07 01:01:29,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:01:29,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:01:29,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:29,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:01:29,772 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:01:29,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253072968] [2021-12-07 01:01:29,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253072968] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:01:29,772 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:01:29,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:01:29,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305275494] [2021-12-07 01:01:29,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:01:29,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:01:29,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:01:29,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:01:29,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:01:29,775 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:01:29,776 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 575 transitions, 8885 flow. Second operand has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:29,776 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:01:29,776 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:01:29,776 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:01:32,077 INFO L129 PetriNetUnfolder]: 1746/3455 cut-off events. [2021-12-07 01:01:32,077 INFO L130 PetriNetUnfolder]: For 55355/55357 co-relation queries the response was YES. [2021-12-07 01:01:32,094 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25874 conditions, 3455 events. 1746/3455 cut-off events. For 55355/55357 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 21144 event pairs, 492 based on Foata normal form. 12/3420 useless extension candidates. Maximal degree in co-relation 25540. Up to 2019 conditions per place. [2021-12-07 01:01:32,108 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 350 selfloop transitions, 233 changer transitions 0/713 dead transitions. [2021-12-07 01:01:32,108 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 713 transitions, 11429 flow [2021-12-07 01:01:32,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:01:32,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-07 01:01:32,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2477 transitions. [2021-12-07 01:01:32,111 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5961492178098676 [2021-12-07 01:01:32,111 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2477 transitions. [2021-12-07 01:01:32,111 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2477 transitions. [2021-12-07 01:01:32,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:01:32,112 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2477 transitions. [2021-12-07 01:01:32,114 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 165.13333333333333) internal successors, (2477), 15 states have internal predecessors, (2477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:32,116 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:32,116 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:32,116 INFO L186 Difference]: Start difference. First operand has 366 places, 575 transitions, 8885 flow. Second operand 15 states and 2477 transitions. [2021-12-07 01:01:32,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 713 transitions, 11429 flow [2021-12-07 01:01:32,379 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 713 transitions, 11278 flow, removed 0 selfloop flow, removed 9 redundant places. [2021-12-07 01:01:32,390 INFO L242 Difference]: Finished difference. Result has 378 places, 618 transitions, 10723 flow [2021-12-07 01:01:32,391 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=8742, PETRI_DIFFERENCE_MINUEND_PLACES=357, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=575, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=193, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=363, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=10723, PETRI_PLACES=378, PETRI_TRANSITIONS=618} [2021-12-07 01:01:32,391 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 105 predicate places. [2021-12-07 01:01:32,391 INFO L470 AbstractCegarLoop]: Abstraction has has 378 places, 618 transitions, 10723 flow [2021-12-07 01:01:32,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:32,392 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:01:32,392 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:01:32,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-07 01:01:32,392 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:01:32,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:01:32,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1144013833, now seen corresponding path program 12 times [2021-12-07 01:01:32,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:01:32,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448490133] [2021-12-07 01:01:32,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:01:32,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:01:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:32,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:01:32,677 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:01:32,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448490133] [2021-12-07 01:01:32,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448490133] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:01:32,678 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:01:32,678 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:01:32,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181208497] [2021-12-07 01:01:32,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:01:32,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:01:32,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:01:32,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:01:32,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:01:32,680 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:01:32,681 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 618 transitions, 10723 flow. Second operand has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:32,681 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:01:32,681 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:01:32,681 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:01:34,783 INFO L129 PetriNetUnfolder]: 1944/3788 cut-off events. [2021-12-07 01:01:34,783 INFO L130 PetriNetUnfolder]: For 76121/76123 co-relation queries the response was YES. [2021-12-07 01:01:34,802 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30783 conditions, 3788 events. 1944/3788 cut-off events. For 76121/76123 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 23700 event pairs, 489 based on Foata normal form. 12/3753 useless extension candidates. Maximal degree in co-relation 30441. Up to 2118 conditions per place. [2021-12-07 01:01:34,820 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 344 selfloop transitions, 303 changer transitions 0/777 dead transitions. [2021-12-07 01:01:34,820 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 777 transitions, 13863 flow [2021-12-07 01:01:34,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-07 01:01:34,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-12-07 01:01:34,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2792 transitions. [2021-12-07 01:01:34,823 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5929071989806753 [2021-12-07 01:01:34,823 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 2792 transitions. [2021-12-07 01:01:34,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 2792 transitions. [2021-12-07 01:01:34,823 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:01:34,823 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 2792 transitions. [2021-12-07 01:01:34,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 164.23529411764707) internal successors, (2792), 17 states have internal predecessors, (2792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:34,828 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 277.0) internal successors, (4986), 18 states have internal predecessors, (4986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:34,828 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 277.0) internal successors, (4986), 18 states have internal predecessors, (4986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:34,829 INFO L186 Difference]: Start difference. First operand has 378 places, 618 transitions, 10723 flow. Second operand 17 states and 2792 transitions. [2021-12-07 01:01:34,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 777 transitions, 13863 flow [2021-12-07 01:01:35,213 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 777 transitions, 13726 flow, removed 27 selfloop flow, removed 7 redundant places. [2021-12-07 01:01:35,226 INFO L242 Difference]: Finished difference. Result has 394 places, 675 transitions, 12928 flow [2021-12-07 01:01:35,227 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=10598, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=618, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=250, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=354, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=12928, PETRI_PLACES=394, PETRI_TRANSITIONS=675} [2021-12-07 01:01:35,227 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 121 predicate places. [2021-12-07 01:01:35,227 INFO L470 AbstractCegarLoop]: Abstraction has has 394 places, 675 transitions, 12928 flow [2021-12-07 01:01:35,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:35,228 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:01:35,228 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:01:35,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-12-07 01:01:35,228 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:01:35,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:01:35,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1572229125, now seen corresponding path program 13 times [2021-12-07 01:01:35,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:01:35,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385623319] [2021-12-07 01:01:35,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:01:35,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:01:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:35,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:01:35,611 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:01:35,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385623319] [2021-12-07 01:01:35,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385623319] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:01:35,612 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:01:35,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:01:35,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76409320] [2021-12-07 01:01:35,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:01:35,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:01:35,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:01:35,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:01:35,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:01:35,614 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:01:35,615 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 675 transitions, 12928 flow. Second operand has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:35,615 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:01:35,615 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:01:35,615 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:01:37,888 INFO L129 PetriNetUnfolder]: 1980/3844 cut-off events. [2021-12-07 01:01:37,888 INFO L130 PetriNetUnfolder]: For 87626/87628 co-relation queries the response was YES. [2021-12-07 01:01:37,910 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33161 conditions, 3844 events. 1980/3844 cut-off events. For 87626/87628 co-relation queries the response was YES. Maximal size of possible extension queue 247. Compared 24092 event pairs, 485 based on Foata normal form. 12/3809 useless extension candidates. Maximal degree in co-relation 32811. Up to 2136 conditions per place. [2021-12-07 01:01:37,929 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 348 selfloop transitions, 310 changer transitions 0/788 dead transitions. [2021-12-07 01:01:37,929 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 788 transitions, 14912 flow [2021-12-07 01:01:37,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-07 01:01:37,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-12-07 01:01:37,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2791 transitions. [2021-12-07 01:01:37,932 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5926948396687195 [2021-12-07 01:01:37,932 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 2791 transitions. [2021-12-07 01:01:37,932 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 2791 transitions. [2021-12-07 01:01:37,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:01:37,932 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 2791 transitions. [2021-12-07 01:01:37,935 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 164.1764705882353) internal successors, (2791), 17 states have internal predecessors, (2791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:37,937 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 277.0) internal successors, (4986), 18 states have internal predecessors, (4986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:37,937 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 277.0) internal successors, (4986), 18 states have internal predecessors, (4986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:37,937 INFO L186 Difference]: Start difference. First operand has 394 places, 675 transitions, 12928 flow. Second operand 17 states and 2791 transitions. [2021-12-07 01:01:37,937 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 788 transitions, 14912 flow [2021-12-07 01:01:38,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 788 transitions, 14732 flow, removed 71 selfloop flow, removed 6 redundant places. [2021-12-07 01:01:38,444 INFO L242 Difference]: Finished difference. Result has 406 places, 687 transitions, 13836 flow [2021-12-07 01:01:38,445 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=12748, PETRI_DIFFERENCE_MINUEND_PLACES=388, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=675, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=298, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=13836, PETRI_PLACES=406, PETRI_TRANSITIONS=687} [2021-12-07 01:01:38,445 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 133 predicate places. [2021-12-07 01:01:38,445 INFO L470 AbstractCegarLoop]: Abstraction has has 406 places, 687 transitions, 13836 flow [2021-12-07 01:01:38,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:38,446 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:01:38,446 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:01:38,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-12-07 01:01:38,446 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:01:38,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:01:38,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1272563575, now seen corresponding path program 14 times [2021-12-07 01:01:38,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:01:38,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971766975] [2021-12-07 01:01:38,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:01:38,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:01:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:38,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:01:38,747 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:01:38,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971766975] [2021-12-07 01:01:38,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971766975] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:01:38,747 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:01:38,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:01:38,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072550986] [2021-12-07 01:01:38,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:01:38,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:01:38,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:01:38,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:01:38,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:01:38,749 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:01:38,750 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 687 transitions, 13836 flow. Second operand has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:38,750 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:01:38,750 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:01:38,751 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:01:40,985 INFO L129 PetriNetUnfolder]: 2027/3931 cut-off events. [2021-12-07 01:01:40,985 INFO L130 PetriNetUnfolder]: For 97843/97845 co-relation queries the response was YES. [2021-12-07 01:01:41,010 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35577 conditions, 3931 events. 2027/3931 cut-off events. For 97843/97845 co-relation queries the response was YES. Maximal size of possible extension queue 255. Compared 24807 event pairs, 566 based on Foata normal form. 12/3894 useless extension candidates. Maximal degree in co-relation 35224. Up to 2388 conditions per place. [2021-12-07 01:01:41,030 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 394 selfloop transitions, 276 changer transitions 0/800 dead transitions. [2021-12-07 01:01:41,030 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 419 places, 800 transitions, 16265 flow [2021-12-07 01:01:41,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-07 01:01:41,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-12-07 01:01:41,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2321 transitions. [2021-12-07 01:01:41,032 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5985043837029397 [2021-12-07 01:01:41,033 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2321 transitions. [2021-12-07 01:01:41,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2321 transitions. [2021-12-07 01:01:41,033 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:01:41,033 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2321 transitions. [2021-12-07 01:01:41,035 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 165.78571428571428) internal successors, (2321), 14 states have internal predecessors, (2321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:41,037 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 277.0) internal successors, (4155), 15 states have internal predecessors, (4155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:41,037 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 277.0) internal successors, (4155), 15 states have internal predecessors, (4155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:41,037 INFO L186 Difference]: Start difference. First operand has 406 places, 687 transitions, 13836 flow. Second operand 14 states and 2321 transitions. [2021-12-07 01:01:41,037 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 419 places, 800 transitions, 16265 flow [2021-12-07 01:01:41,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 800 transitions, 15866 flow, removed 26 selfloop flow, removed 10 redundant places. [2021-12-07 01:01:41,568 INFO L242 Difference]: Finished difference. Result has 414 places, 711 transitions, 15292 flow [2021-12-07 01:01:41,569 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=13452, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=687, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=253, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=422, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=15292, PETRI_PLACES=414, PETRI_TRANSITIONS=711} [2021-12-07 01:01:41,569 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 141 predicate places. [2021-12-07 01:01:41,569 INFO L470 AbstractCegarLoop]: Abstraction has has 414 places, 711 transitions, 15292 flow [2021-12-07 01:01:41,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:41,569 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:01:41,569 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:01:41,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-12-07 01:01:41,570 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:01:41,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:01:41,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1150210423, now seen corresponding path program 15 times [2021-12-07 01:01:41,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:01:41,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644075259] [2021-12-07 01:01:41,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:01:41,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:01:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:42,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:01:42,000 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:01:42,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644075259] [2021-12-07 01:01:42,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644075259] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:01:42,000 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:01:42,001 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:01:42,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321218273] [2021-12-07 01:01:42,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:01:42,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:01:42,001 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:01:42,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:01:42,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:01:42,003 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:01:42,004 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 711 transitions, 15292 flow. Second operand has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:42,004 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:01:42,004 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:01:42,004 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:01:44,308 INFO L129 PetriNetUnfolder]: 2099/4043 cut-off events. [2021-12-07 01:01:44,308 INFO L130 PetriNetUnfolder]: For 110596/110598 co-relation queries the response was YES. [2021-12-07 01:01:44,334 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37968 conditions, 4043 events. 2099/4043 cut-off events. For 110596/110598 co-relation queries the response was YES. Maximal size of possible extension queue 263. Compared 25524 event pairs, 496 based on Foata normal form. 12/4006 useless extension candidates. Maximal degree in co-relation 37610. Up to 2198 conditions per place. [2021-12-07 01:01:44,354 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 381 selfloop transitions, 315 changer transitions 0/826 dead transitions. [2021-12-07 01:01:44,354 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 826 transitions, 17625 flow [2021-12-07 01:01:44,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:01:44,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-07 01:01:44,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2479 transitions. [2021-12-07 01:01:44,356 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5966305655836341 [2021-12-07 01:01:44,356 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2479 transitions. [2021-12-07 01:01:44,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2479 transitions. [2021-12-07 01:01:44,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:01:44,357 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2479 transitions. [2021-12-07 01:01:44,359 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 165.26666666666668) internal successors, (2479), 15 states have internal predecessors, (2479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:44,361 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:44,361 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:44,361 INFO L186 Difference]: Start difference. First operand has 414 places, 711 transitions, 15292 flow. Second operand 15 states and 2479 transitions. [2021-12-07 01:01:44,361 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 826 transitions, 17625 flow [2021-12-07 01:01:44,883 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 416 places, 826 transitions, 17188 flow, removed 38 selfloop flow, removed 12 redundant places. [2021-12-07 01:01:44,933 INFO L242 Difference]: Finished difference. Result has 419 places, 729 transitions, 16174 flow [2021-12-07 01:01:44,934 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=14872, PETRI_DIFFERENCE_MINUEND_PLACES=402, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=711, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=297, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=409, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=16174, PETRI_PLACES=419, PETRI_TRANSITIONS=729} [2021-12-07 01:01:44,934 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 146 predicate places. [2021-12-07 01:01:44,934 INFO L470 AbstractCegarLoop]: Abstraction has has 419 places, 729 transitions, 16174 flow [2021-12-07 01:01:44,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:44,935 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:01:44,935 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:01:44,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-12-07 01:01:44,935 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:01:44,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:01:44,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1338787453, now seen corresponding path program 16 times [2021-12-07 01:01:44,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:01:44,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916625145] [2021-12-07 01:01:44,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:01:44,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:01:44,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:01:45,389 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:01:45,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916625145] [2021-12-07 01:01:45,390 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916625145] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:01:45,390 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:01:45,390 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:01:45,390 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317761738] [2021-12-07 01:01:45,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:01:45,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:01:45,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:01:45,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:01:45,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:01:45,393 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:01:45,395 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 729 transitions, 16174 flow. Second operand has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:45,396 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:01:45,396 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:01:45,396 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:01:47,700 INFO L129 PetriNetUnfolder]: 2101/4060 cut-off events. [2021-12-07 01:01:47,700 INFO L130 PetriNetUnfolder]: For 119283/119285 co-relation queries the response was YES. [2021-12-07 01:01:47,725 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38951 conditions, 4060 events. 2101/4060 cut-off events. For 119283/119285 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 25834 event pairs, 562 based on Foata normal form. 12/4023 useless extension candidates. Maximal degree in co-relation 38593. Up to 2411 conditions per place. [2021-12-07 01:01:47,747 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 407 selfloop transitions, 300 changer transitions 0/837 dead transitions. [2021-12-07 01:01:47,747 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 837 transitions, 18503 flow [2021-12-07 01:01:47,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:01:47,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-07 01:01:47,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2478 transitions. [2021-12-07 01:01:47,749 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5963898916967509 [2021-12-07 01:01:47,749 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2478 transitions. [2021-12-07 01:01:47,749 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2478 transitions. [2021-12-07 01:01:47,750 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:01:47,750 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2478 transitions. [2021-12-07 01:01:47,752 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 165.2) internal successors, (2478), 15 states have internal predecessors, (2478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:47,754 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:47,754 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:47,754 INFO L186 Difference]: Start difference. First operand has 419 places, 729 transitions, 16174 flow. Second operand 15 states and 2478 transitions. [2021-12-07 01:01:47,754 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 433 places, 837 transitions, 18503 flow [2021-12-07 01:01:48,316 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 424 places, 837 transitions, 17922 flow, removed 72 selfloop flow, removed 9 redundant places. [2021-12-07 01:01:48,332 INFO L242 Difference]: Finished difference. Result has 427 places, 746 transitions, 16977 flow [2021-12-07 01:01:48,332 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=15616, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=729, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=283, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=437, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=16977, PETRI_PLACES=427, PETRI_TRANSITIONS=746} [2021-12-07 01:01:48,333 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 154 predicate places. [2021-12-07 01:01:48,333 INFO L470 AbstractCegarLoop]: Abstraction has has 427 places, 746 transitions, 16977 flow [2021-12-07 01:01:48,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:48,333 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:01:48,333 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:01:48,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-12-07 01:01:48,333 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:01:48,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:01:48,334 INFO L85 PathProgramCache]: Analyzing trace with hash 449338395, now seen corresponding path program 17 times [2021-12-07 01:01:48,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:01:48,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836222591] [2021-12-07 01:01:48,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:01:48,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:01:48,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:48,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:01:48,587 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:01:48,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836222591] [2021-12-07 01:01:48,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836222591] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:01:48,587 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:01:48,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:01:48,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393445441] [2021-12-07 01:01:48,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:01:48,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:01:48,588 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:01:48,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:01:48,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:01:48,589 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:01:48,590 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 427 places, 746 transitions, 16977 flow. Second operand has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:48,590 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:01:48,590 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:01:48,591 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:01:51,350 INFO L129 PetriNetUnfolder]: 2276/4360 cut-off events. [2021-12-07 01:01:51,350 INFO L130 PetriNetUnfolder]: For 131996/131998 co-relation queries the response was YES. [2021-12-07 01:01:51,379 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42865 conditions, 4360 events. 2276/4360 cut-off events. For 131996/131998 co-relation queries the response was YES. Maximal size of possible extension queue 291. Compared 28265 event pairs, 500 based on Foata normal form. 12/4326 useless extension candidates. Maximal degree in co-relation 42504. Up to 2309 conditions per place. [2021-12-07 01:01:51,402 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 351 selfloop transitions, 418 changer transitions 0/899 dead transitions. [2021-12-07 01:01:51,402 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 444 places, 899 transitions, 20582 flow [2021-12-07 01:01:51,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-07 01:01:51,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-12-07 01:01:51,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2951 transitions. [2021-12-07 01:01:51,404 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5918572001604493 [2021-12-07 01:01:51,404 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2951 transitions. [2021-12-07 01:01:51,404 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2951 transitions. [2021-12-07 01:01:51,405 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:01:51,405 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2951 transitions. [2021-12-07 01:01:51,407 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 163.94444444444446) internal successors, (2951), 18 states have internal predecessors, (2951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:51,410 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 277.0) internal successors, (5263), 19 states have internal predecessors, (5263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:51,410 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 277.0) internal successors, (5263), 19 states have internal predecessors, (5263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:51,410 INFO L186 Difference]: Start difference. First operand has 427 places, 746 transitions, 16977 flow. Second operand 18 states and 2951 transitions. [2021-12-07 01:01:51,410 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 444 places, 899 transitions, 20582 flow [2021-12-07 01:01:52,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 434 places, 899 transitions, 20378 flow, removed 15 selfloop flow, removed 10 redundant places. [2021-12-07 01:01:52,188 INFO L242 Difference]: Finished difference. Result has 439 places, 796 transitions, 19675 flow [2021-12-07 01:01:52,189 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=16786, PETRI_DIFFERENCE_MINUEND_PLACES=417, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=746, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=372, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=363, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=19675, PETRI_PLACES=439, PETRI_TRANSITIONS=796} [2021-12-07 01:01:52,190 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 166 predicate places. [2021-12-07 01:01:52,190 INFO L470 AbstractCegarLoop]: Abstraction has has 439 places, 796 transitions, 19675 flow [2021-12-07 01:01:52,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:52,190 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:01:52,190 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:01:52,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-12-07 01:01:52,191 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:01:52,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:01:52,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1490650351, now seen corresponding path program 18 times [2021-12-07 01:01:52,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:01:52,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459922803] [2021-12-07 01:01:52,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:01:52,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:01:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:52,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:01:52,478 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:01:52,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459922803] [2021-12-07 01:01:52,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459922803] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:01:52,479 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:01:52,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:01:52,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367428842] [2021-12-07 01:01:52,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:01:52,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:01:52,479 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:01:52,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:01:52,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:01:52,481 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:01:52,482 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 439 places, 796 transitions, 19675 flow. Second operand has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:52,482 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:01:52,482 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:01:52,482 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:01:55,234 INFO L129 PetriNetUnfolder]: 2328/4452 cut-off events. [2021-12-07 01:01:55,235 INFO L130 PetriNetUnfolder]: For 148347/148349 co-relation queries the response was YES. [2021-12-07 01:01:55,266 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46112 conditions, 4452 events. 2328/4452 cut-off events. For 148347/148349 co-relation queries the response was YES. Maximal size of possible extension queue 299. Compared 29037 event pairs, 453 based on Foata normal form. 12/4419 useless extension candidates. Maximal degree in co-relation 45748. Up to 2188 conditions per place. [2021-12-07 01:01:55,291 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 343 selfloop transitions, 446 changer transitions 0/919 dead transitions. [2021-12-07 01:01:55,291 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 457 places, 919 transitions, 22144 flow [2021-12-07 01:01:55,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-07 01:01:55,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-12-07 01:01:55,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 3104 transitions. [2021-12-07 01:01:55,294 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5897776933307999 [2021-12-07 01:01:55,294 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 3104 transitions. [2021-12-07 01:01:55,294 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 3104 transitions. [2021-12-07 01:01:55,294 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:01:55,295 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 3104 transitions. [2021-12-07 01:01:55,297 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 163.3684210526316) internal successors, (3104), 19 states have internal predecessors, (3104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:55,300 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 277.0) internal successors, (5540), 20 states have internal predecessors, (5540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:55,300 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 277.0) internal successors, (5540), 20 states have internal predecessors, (5540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:55,300 INFO L186 Difference]: Start difference. First operand has 439 places, 796 transitions, 19675 flow. Second operand 19 states and 3104 transitions. [2021-12-07 01:01:55,300 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 457 places, 919 transitions, 22144 flow [2021-12-07 01:01:56,303 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 919 transitions, 21841 flow, removed 99 selfloop flow, removed 9 redundant places. [2021-12-07 01:01:56,325 INFO L242 Difference]: Finished difference. Result has 451 places, 814 transitions, 21149 flow [2021-12-07 01:01:56,326 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=19398, PETRI_DIFFERENCE_MINUEND_PLACES=430, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=796, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=428, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=21149, PETRI_PLACES=451, PETRI_TRANSITIONS=814} [2021-12-07 01:01:56,326 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 178 predicate places. [2021-12-07 01:01:56,327 INFO L470 AbstractCegarLoop]: Abstraction has has 451 places, 814 transitions, 21149 flow [2021-12-07 01:01:56,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:56,327 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:01:56,327 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:01:56,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-12-07 01:01:56,327 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:01:56,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:01:56,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1496846941, now seen corresponding path program 19 times [2021-12-07 01:01:56,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:01:56,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550268551] [2021-12-07 01:01:56,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:01:56,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:01:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:56,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:01:56,874 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:01:56,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550268551] [2021-12-07 01:01:56,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550268551] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:01:56,874 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:01:56,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:01:56,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343269970] [2021-12-07 01:01:56,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:01:56,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:01:56,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:01:56,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:01:56,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:01:56,876 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:01:56,877 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 814 transitions, 21149 flow. Second operand has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:56,877 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:01:56,878 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:01:56,878 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:01:59,208 INFO L129 PetriNetUnfolder]: 2310/4424 cut-off events. [2021-12-07 01:01:59,208 INFO L130 PetriNetUnfolder]: For 160085/160087 co-relation queries the response was YES. [2021-12-07 01:01:59,241 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47728 conditions, 4424 events. 2310/4424 cut-off events. For 160085/160087 co-relation queries the response was YES. Maximal size of possible extension queue 297. Compared 28818 event pairs, 473 based on Foata normal form. 12/4387 useless extension candidates. Maximal degree in co-relation 47361. Up to 2179 conditions per place. [2021-12-07 01:01:59,265 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 395 selfloop transitions, 390 changer transitions 0/915 dead transitions. [2021-12-07 01:01:59,265 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 465 places, 915 transitions, 23224 flow [2021-12-07 01:01:59,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:01:59,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-07 01:01:59,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2479 transitions. [2021-12-07 01:01:59,268 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5966305655836341 [2021-12-07 01:01:59,268 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2479 transitions. [2021-12-07 01:01:59,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2479 transitions. [2021-12-07 01:01:59,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:01:59,268 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2479 transitions. [2021-12-07 01:01:59,271 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 165.26666666666668) internal successors, (2479), 15 states have internal predecessors, (2479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:59,274 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:59,274 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:01:59,274 INFO L186 Difference]: Start difference. First operand has 451 places, 814 transitions, 21149 flow. Second operand 15 states and 2479 transitions. [2021-12-07 01:01:59,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 465 places, 915 transitions, 23224 flow [2021-12-07 01:02:00,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 454 places, 915 transitions, 22896 flow, removed 54 selfloop flow, removed 11 redundant places. [2021-12-07 01:02:00,359 INFO L242 Difference]: Finished difference. Result has 457 places, 822 transitions, 22041 flow [2021-12-07 01:02:00,359 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=20827, PETRI_DIFFERENCE_MINUEND_PLACES=440, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=814, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=382, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=430, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=22041, PETRI_PLACES=457, PETRI_TRANSITIONS=822} [2021-12-07 01:02:00,360 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 184 predicate places. [2021-12-07 01:02:00,360 INFO L470 AbstractCegarLoop]: Abstraction has has 457 places, 822 transitions, 22041 flow [2021-12-07 01:02:00,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:00,360 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:02:00,360 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:02:00,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-12-07 01:02:00,360 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:02:00,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:02:00,361 INFO L85 PathProgramCache]: Analyzing trace with hash 593885033, now seen corresponding path program 20 times [2021-12-07 01:02:00,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:02:00,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098859311] [2021-12-07 01:02:00,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:02:00,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:02:00,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:02:00,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:02:00,697 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:02:00,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098859311] [2021-12-07 01:02:00,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098859311] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:02:00,697 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:02:00,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:02:00,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811386145] [2021-12-07 01:02:00,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:02:00,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:02:00,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:02:00,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:02:00,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:02:00,699 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:02:00,700 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 822 transitions, 22041 flow. Second operand has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:00,700 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:02:00,701 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:02:00,701 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:02:03,435 INFO L129 PetriNetUnfolder]: 2328/4452 cut-off events. [2021-12-07 01:02:03,435 INFO L130 PetriNetUnfolder]: For 174040/174042 co-relation queries the response was YES. [2021-12-07 01:02:03,465 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49594 conditions, 4452 events. 2328/4452 cut-off events. For 174040/174042 co-relation queries the response was YES. Maximal size of possible extension queue 299. Compared 29031 event pairs, 599 based on Foata normal form. 12/4415 useless extension candidates. Maximal degree in co-relation 49226. Up to 2654 conditions per place. [2021-12-07 01:02:03,490 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 439 selfloop transitions, 355 changer transitions 0/924 dead transitions. [2021-12-07 01:02:03,491 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 472 places, 924 transitions, 24238 flow [2021-12-07 01:02:03,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-07 01:02:03,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-12-07 01:02:03,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2635 transitions. [2021-12-07 01:02:03,493 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5945397111913358 [2021-12-07 01:02:03,493 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2635 transitions. [2021-12-07 01:02:03,493 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2635 transitions. [2021-12-07 01:02:03,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:02:03,493 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2635 transitions. [2021-12-07 01:02:03,495 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 164.6875) internal successors, (2635), 16 states have internal predecessors, (2635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:03,497 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 277.0) internal successors, (4709), 17 states have internal predecessors, (4709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:03,497 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 277.0) internal successors, (4709), 17 states have internal predecessors, (4709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:03,497 INFO L186 Difference]: Start difference. First operand has 457 places, 822 transitions, 22041 flow. Second operand 16 states and 2635 transitions. [2021-12-07 01:02:03,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 472 places, 924 transitions, 24238 flow [2021-12-07 01:02:04,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 465 places, 924 transitions, 23667 flow, removed 93 selfloop flow, removed 7 redundant places. [2021-12-07 01:02:04,450 INFO L242 Difference]: Finished difference. Result has 467 places, 831 transitions, 22592 flow [2021-12-07 01:02:04,451 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=21503, PETRI_DIFFERENCE_MINUEND_PLACES=450, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=822, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=346, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=474, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=22592, PETRI_PLACES=467, PETRI_TRANSITIONS=831} [2021-12-07 01:02:04,451 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 194 predicate places. [2021-12-07 01:02:04,451 INFO L470 AbstractCegarLoop]: Abstraction has has 467 places, 831 transitions, 22592 flow [2021-12-07 01:02:04,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:04,451 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:02:04,451 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:02:04,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-12-07 01:02:04,452 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:02:04,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:02:04,452 INFO L85 PathProgramCache]: Analyzing trace with hash 443141805, now seen corresponding path program 21 times [2021-12-07 01:02:04,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:02:04,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864309801] [2021-12-07 01:02:04,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:02:04,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:02:04,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:02:04,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:02:04,885 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:02:04,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864309801] [2021-12-07 01:02:04,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864309801] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:02:04,885 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:02:04,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:02:04,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971753401] [2021-12-07 01:02:04,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:02:04,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:02:04,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:02:04,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:02:04,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:02:04,887 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:02:04,888 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 467 places, 831 transitions, 22592 flow. Second operand has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:04,888 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:02:04,888 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:02:04,888 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:02:07,547 INFO L129 PetriNetUnfolder]: 2400/4564 cut-off events. [2021-12-07 01:02:07,547 INFO L130 PetriNetUnfolder]: For 190018/190020 co-relation queries the response was YES. [2021-12-07 01:02:07,582 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51552 conditions, 4564 events. 2400/4564 cut-off events. For 190018/190020 co-relation queries the response was YES. Maximal size of possible extension queue 307. Compared 29919 event pairs, 607 based on Foata normal form. 12/4527 useless extension candidates. Maximal degree in co-relation 51183. Up to 2685 conditions per place. [2021-12-07 01:02:07,608 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 458 selfloop transitions, 356 changer transitions 0/944 dead transitions. [2021-12-07 01:02:07,608 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 481 places, 944 transitions, 25260 flow [2021-12-07 01:02:07,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:02:07,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-07 01:02:07,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2481 transitions. [2021-12-07 01:02:07,610 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5971119133574008 [2021-12-07 01:02:07,610 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2481 transitions. [2021-12-07 01:02:07,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2481 transitions. [2021-12-07 01:02:07,611 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:02:07,611 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2481 transitions. [2021-12-07 01:02:07,612 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 165.4) internal successors, (2481), 15 states have internal predecessors, (2481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:07,614 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:07,614 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:07,614 INFO L186 Difference]: Start difference. First operand has 467 places, 831 transitions, 22592 flow. Second operand 15 states and 2481 transitions. [2021-12-07 01:02:07,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 481 places, 944 transitions, 25260 flow [2021-12-07 01:02:08,659 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 467 places, 944 transitions, 24478 flow, removed 49 selfloop flow, removed 14 redundant places. [2021-12-07 01:02:08,679 INFO L242 Difference]: Finished difference. Result has 470 places, 849 transitions, 23230 flow [2021-12-07 01:02:08,680 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=21838, PETRI_DIFFERENCE_MINUEND_PLACES=453, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=831, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=338, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=488, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=23230, PETRI_PLACES=470, PETRI_TRANSITIONS=849} [2021-12-07 01:02:08,680 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 197 predicate places. [2021-12-07 01:02:08,680 INFO L470 AbstractCegarLoop]: Abstraction has has 470 places, 849 transitions, 23230 flow [2021-12-07 01:02:08,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:08,681 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:02:08,681 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:02:08,681 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-12-07 01:02:08,681 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:02:08,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:02:08,681 INFO L85 PathProgramCache]: Analyzing trace with hash 252892635, now seen corresponding path program 22 times [2021-12-07 01:02:08,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:02:08,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062904835] [2021-12-07 01:02:08,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:02:08,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:02:08,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:02:08,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:02:08,972 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:02:08,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062904835] [2021-12-07 01:02:08,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062904835] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:02:08,972 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:02:08,972 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:02:08,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485835031] [2021-12-07 01:02:08,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:02:08,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:02:08,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:02:08,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:02:08,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:02:08,974 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:02:08,975 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 470 places, 849 transitions, 23230 flow. Second operand has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:08,976 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:02:08,976 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:02:08,976 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:02:11,764 INFO L129 PetriNetUnfolder]: 2447/4651 cut-off events. [2021-12-07 01:02:11,764 INFO L130 PetriNetUnfolder]: For 193808/193810 co-relation queries the response was YES. [2021-12-07 01:02:11,800 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53296 conditions, 4651 events. 2447/4651 cut-off events. For 193808/193810 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 30657 event pairs, 666 based on Foata normal form. 12/4614 useless extension candidates. Maximal degree in co-relation 52928. Up to 2895 conditions per place. [2021-12-07 01:02:11,828 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 474 selfloop transitions, 350 changer transitions 0/954 dead transitions. [2021-12-07 01:02:11,828 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 483 places, 954 transitions, 25983 flow [2021-12-07 01:02:11,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-07 01:02:11,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-12-07 01:02:11,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2319 transitions. [2021-12-07 01:02:11,830 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5979886539453326 [2021-12-07 01:02:11,830 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2319 transitions. [2021-12-07 01:02:11,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2319 transitions. [2021-12-07 01:02:11,831 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:02:11,831 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2319 transitions. [2021-12-07 01:02:11,832 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 165.64285714285714) internal successors, (2319), 14 states have internal predecessors, (2319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:11,833 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 277.0) internal successors, (4155), 15 states have internal predecessors, (4155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:11,834 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 277.0) internal successors, (4155), 15 states have internal predecessors, (4155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:11,834 INFO L186 Difference]: Start difference. First operand has 470 places, 849 transitions, 23230 flow. Second operand 14 states and 2319 transitions. [2021-12-07 01:02:11,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 483 places, 954 transitions, 25983 flow [2021-12-07 01:02:12,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 471 places, 954 transitions, 24856 flow, removed 38 selfloop flow, removed 12 redundant places. [2021-12-07 01:02:12,806 INFO L242 Difference]: Finished difference. Result has 474 places, 867 transitions, 24097 flow [2021-12-07 01:02:12,807 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=22135, PETRI_DIFFERENCE_MINUEND_PLACES=458, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=849, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=332, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=506, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=24097, PETRI_PLACES=474, PETRI_TRANSITIONS=867} [2021-12-07 01:02:12,807 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 201 predicate places. [2021-12-07 01:02:12,807 INFO L470 AbstractCegarLoop]: Abstraction has has 474 places, 867 transitions, 24097 flow [2021-12-07 01:02:12,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:12,807 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:02:12,808 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:02:12,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-12-07 01:02:12,808 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:02:12,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:02:12,808 INFO L85 PathProgramCache]: Analyzing trace with hash 254564775, now seen corresponding path program 23 times [2021-12-07 01:02:12,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:02:12,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590534542] [2021-12-07 01:02:12,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:02:12,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:02:12,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:02:13,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:02:13,163 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:02:13,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590534542] [2021-12-07 01:02:13,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590534542] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:02:13,163 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:02:13,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:02:13,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644589135] [2021-12-07 01:02:13,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:02:13,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:02:13,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:02:13,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:02:13,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:02:13,165 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:02:13,166 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 474 places, 867 transitions, 24097 flow. Second operand has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:13,166 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:02:13,166 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:02:13,166 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:02:15,673 INFO L129 PetriNetUnfolder]: 2449/4668 cut-off events. [2021-12-07 01:02:15,673 INFO L130 PetriNetUnfolder]: For 198312/198314 co-relation queries the response was YES. [2021-12-07 01:02:15,709 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53364 conditions, 4668 events. 2449/4668 cut-off events. For 198312/198314 co-relation queries the response was YES. Maximal size of possible extension queue 318. Compared 30888 event pairs, 645 based on Foata normal form. 12/4631 useless extension candidates. Maximal degree in co-relation 52994. Up to 2840 conditions per place. [2021-12-07 01:02:15,736 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 476 selfloop transitions, 367 changer transitions 0/973 dead transitions. [2021-12-07 01:02:15,736 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 488 places, 973 transitions, 26813 flow [2021-12-07 01:02:15,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:02:15,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-07 01:02:15,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2476 transitions. [2021-12-07 01:02:15,738 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5959085439229843 [2021-12-07 01:02:15,738 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2476 transitions. [2021-12-07 01:02:15,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2476 transitions. [2021-12-07 01:02:15,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:02:15,739 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2476 transitions. [2021-12-07 01:02:15,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 165.06666666666666) internal successors, (2476), 15 states have internal predecessors, (2476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:15,742 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:15,742 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:15,742 INFO L186 Difference]: Start difference. First operand has 474 places, 867 transitions, 24097 flow. Second operand 15 states and 2476 transitions. [2021-12-07 01:02:15,742 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 488 places, 973 transitions, 26813 flow [2021-12-07 01:02:16,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 479 places, 973 transitions, 26560 flow, removed 17 selfloop flow, removed 9 redundant places. [2021-12-07 01:02:16,840 INFO L242 Difference]: Finished difference. Result has 482 places, 884 transitions, 25524 flow [2021-12-07 01:02:16,841 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=23852, PETRI_DIFFERENCE_MINUEND_PLACES=465, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=867, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=350, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=508, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=25524, PETRI_PLACES=482, PETRI_TRANSITIONS=884} [2021-12-07 01:02:16,841 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 209 predicate places. [2021-12-07 01:02:16,841 INFO L470 AbstractCegarLoop]: Abstraction has has 482 places, 884 transitions, 25524 flow [2021-12-07 01:02:16,842 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:16,842 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:02:16,842 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:02:16,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-12-07 01:02:16,842 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:02:16,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:02:16,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1872125846, now seen corresponding path program 1 times [2021-12-07 01:02:16,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:02:16,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868939064] [2021-12-07 01:02:16,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:02:16,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:02:16,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:02:17,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:02:17,132 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:02:17,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868939064] [2021-12-07 01:02:17,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868939064] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:02:17,133 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:02:17,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:02:17,133 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568525695] [2021-12-07 01:02:17,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:02:17,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:02:17,133 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:02:17,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:02:17,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:02:17,135 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:02:17,136 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 482 places, 884 transitions, 25524 flow. Second operand has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:17,136 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:02:17,136 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:02:17,136 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:02:20,396 INFO L129 PetriNetUnfolder]: 3647/6703 cut-off events. [2021-12-07 01:02:20,396 INFO L130 PetriNetUnfolder]: For 372754/372810 co-relation queries the response was YES. [2021-12-07 01:02:20,444 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79806 conditions, 6703 events. 3647/6703 cut-off events. For 372754/372810 co-relation queries the response was YES. Maximal size of possible extension queue 364. Compared 45188 event pairs, 746 based on Foata normal form. 70/6699 useless extension candidates. Maximal degree in co-relation 79446. Up to 3465 conditions per place. [2021-12-07 01:02:20,484 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 874 selfloop transitions, 508 changer transitions 0/1531 dead transitions. [2021-12-07 01:02:20,484 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 495 places, 1531 transitions, 49054 flow [2021-12-07 01:02:20,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-07 01:02:20,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-12-07 01:02:20,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2339 transitions. [2021-12-07 01:02:20,487 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6031459515214028 [2021-12-07 01:02:20,487 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2339 transitions. [2021-12-07 01:02:20,487 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2339 transitions. [2021-12-07 01:02:20,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:02:20,487 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2339 transitions. [2021-12-07 01:02:20,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 167.07142857142858) internal successors, (2339), 14 states have internal predecessors, (2339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:20,490 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 277.0) internal successors, (4155), 15 states have internal predecessors, (4155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:20,490 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 277.0) internal successors, (4155), 15 states have internal predecessors, (4155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:20,490 INFO L186 Difference]: Start difference. First operand has 482 places, 884 transitions, 25524 flow. Second operand 14 states and 2339 transitions. [2021-12-07 01:02:20,490 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 495 places, 1531 transitions, 49054 flow [2021-12-07 01:02:22,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 486 places, 1531 transitions, 48619 flow, removed 19 selfloop flow, removed 9 redundant places. [2021-12-07 01:02:22,387 INFO L242 Difference]: Finished difference. Result has 493 places, 1197 transitions, 41455 flow [2021-12-07 01:02:22,388 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=25311, PETRI_DIFFERENCE_MINUEND_PLACES=473, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=884, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=196, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=505, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=41455, PETRI_PLACES=493, PETRI_TRANSITIONS=1197} [2021-12-07 01:02:22,388 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 220 predicate places. [2021-12-07 01:02:22,388 INFO L470 AbstractCegarLoop]: Abstraction has has 493 places, 1197 transitions, 41455 flow [2021-12-07 01:02:22,389 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:22,389 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:02:22,389 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:02:22,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-12-07 01:02:22,389 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:02:22,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:02:22,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1525883442, now seen corresponding path program 2 times [2021-12-07 01:02:22,390 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:02:22,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464089336] [2021-12-07 01:02:22,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:02:22,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:02:22,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:02:22,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:02:22,986 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:02:22,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464089336] [2021-12-07 01:02:22,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464089336] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:02:22,987 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:02:22,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:02:22,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071066238] [2021-12-07 01:02:22,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:02:22,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:02:22,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:02:22,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:02:22,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:02:22,989 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:02:22,990 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 493 places, 1197 transitions, 41455 flow. Second operand has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:22,990 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:02:22,990 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:02:22,990 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:02:26,964 INFO L129 PetriNetUnfolder]: 3904/7146 cut-off events. [2021-12-07 01:02:26,964 INFO L130 PetriNetUnfolder]: For 416381/416469 co-relation queries the response was YES. [2021-12-07 01:02:27,021 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90055 conditions, 7146 events. 3904/7146 cut-off events. For 416381/416469 co-relation queries the response was YES. Maximal size of possible extension queue 391. Compared 48356 event pairs, 661 based on Foata normal form. 75/7149 useless extension candidates. Maximal degree in co-relation 89687. Up to 3011 conditions per place. [2021-12-07 01:02:27,067 INFO L132 encePairwiseOnDemand]: 261/277 looper letters, 1331 selfloop transitions, 537 changer transitions 0/2017 dead transitions. [2021-12-07 01:02:27,067 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 507 places, 2017 transitions, 68845 flow [2021-12-07 01:02:27,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:02:27,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-07 01:02:27,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2500 transitions. [2021-12-07 01:02:27,069 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.601684717208183 [2021-12-07 01:02:27,069 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2500 transitions. [2021-12-07 01:02:27,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2500 transitions. [2021-12-07 01:02:27,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:02:27,069 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2500 transitions. [2021-12-07 01:02:27,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 166.66666666666666) internal successors, (2500), 15 states have internal predecessors, (2500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:27,073 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:27,073 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:27,073 INFO L186 Difference]: Start difference. First operand has 493 places, 1197 transitions, 41455 flow. Second operand 15 states and 2500 transitions. [2021-12-07 01:02:27,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 507 places, 2017 transitions, 68845 flow [2021-12-07 01:02:29,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 502 places, 2017 transitions, 68818 flow, removed 9 selfloop flow, removed 5 redundant places. [2021-12-07 01:02:29,672 INFO L242 Difference]: Finished difference. Result has 507 places, 1406 transitions, 51519 flow [2021-12-07 01:02:29,673 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=41436, PETRI_DIFFERENCE_MINUEND_PLACES=488, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=351, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=766, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=51519, PETRI_PLACES=507, PETRI_TRANSITIONS=1406} [2021-12-07 01:02:29,673 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 234 predicate places. [2021-12-07 01:02:29,673 INFO L470 AbstractCegarLoop]: Abstraction has has 507 places, 1406 transitions, 51519 flow [2021-12-07 01:02:29,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:29,674 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:02:29,674 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:02:29,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-12-07 01:02:29,674 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:02:29,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:02:29,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1149059474, now seen corresponding path program 3 times [2021-12-07 01:02:29,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:02:29,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922665964] [2021-12-07 01:02:29,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:02:29,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:02:29,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:02:29,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:02:29,951 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:02:29,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922665964] [2021-12-07 01:02:29,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922665964] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:02:29,951 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:02:29,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:02:29,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809648033] [2021-12-07 01:02:29,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:02:29,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:02:29,952 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:02:29,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:02:29,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:02:29,954 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:02:29,954 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 507 places, 1406 transitions, 51519 flow. Second operand has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:29,954 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:02:29,954 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:02:29,955 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:02:34,837 INFO L129 PetriNetUnfolder]: 4141/7520 cut-off events. [2021-12-07 01:02:34,838 INFO L130 PetriNetUnfolder]: For 492837/492924 co-relation queries the response was YES. [2021-12-07 01:02:34,896 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101057 conditions, 7520 events. 4141/7520 cut-off events. For 492837/492924 co-relation queries the response was YES. Maximal size of possible extension queue 417. Compared 51493 event pairs, 689 based on Foata normal form. 72/7507 useless extension candidates. Maximal degree in co-relation 100682. Up to 3860 conditions per place. [2021-12-07 01:02:34,947 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 899 selfloop transitions, 852 changer transitions 0/1900 dead transitions. [2021-12-07 01:02:34,947 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 521 places, 1900 transitions, 69409 flow [2021-12-07 01:02:34,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:02:34,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-07 01:02:34,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2505 transitions. [2021-12-07 01:02:34,949 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6028880866425993 [2021-12-07 01:02:34,950 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2505 transitions. [2021-12-07 01:02:34,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2505 transitions. [2021-12-07 01:02:34,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:02:34,950 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2505 transitions. [2021-12-07 01:02:34,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 167.0) internal successors, (2505), 15 states have internal predecessors, (2505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:34,953 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:34,953 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:34,954 INFO L186 Difference]: Start difference. First operand has 507 places, 1406 transitions, 51519 flow. Second operand 15 states and 2505 transitions. [2021-12-07 01:02:34,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 521 places, 1900 transitions, 69409 flow [2021-12-07 01:02:38,245 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 512 places, 1900 transitions, 68992 flow, removed 85 selfloop flow, removed 9 redundant places. [2021-12-07 01:02:38,292 INFO L242 Difference]: Finished difference. Result has 515 places, 1576 transitions, 61523 flow [2021-12-07 01:02:38,293 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=51135, PETRI_DIFFERENCE_MINUEND_PLACES=498, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=690, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=673, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=61523, PETRI_PLACES=515, PETRI_TRANSITIONS=1576} [2021-12-07 01:02:38,293 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 242 predicate places. [2021-12-07 01:02:38,293 INFO L470 AbstractCegarLoop]: Abstraction has has 515 places, 1576 transitions, 61523 flow [2021-12-07 01:02:38,294 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:38,294 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:02:38,294 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:02:38,294 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-12-07 01:02:38,294 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:02:38,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:02:38,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1818807866, now seen corresponding path program 4 times [2021-12-07 01:02:38,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:02:38,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257333821] [2021-12-07 01:02:38,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:02:38,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:02:38,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:02:38,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:02:38,610 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:02:38,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257333821] [2021-12-07 01:02:38,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257333821] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:02:38,610 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:02:38,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:02:38,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905328314] [2021-12-07 01:02:38,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:02:38,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:02:38,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:02:38,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:02:38,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:02:38,612 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:02:38,613 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 515 places, 1576 transitions, 61523 flow. Second operand has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:38,613 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:02:38,613 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:02:38,613 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:02:44,252 INFO L129 PetriNetUnfolder]: 4437/8110 cut-off events. [2021-12-07 01:02:44,252 INFO L130 PetriNetUnfolder]: For 603219/603310 co-relation queries the response was YES. [2021-12-07 01:02:44,321 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114365 conditions, 8110 events. 4437/8110 cut-off events. For 603219/603310 co-relation queries the response was YES. Maximal size of possible extension queue 463. Compared 56705 event pairs, 1038 based on Foata normal form. 72/8105 useless extension candidates. Maximal degree in co-relation 113988. Up to 4919 conditions per place. [2021-12-07 01:02:44,381 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 728 selfloop transitions, 1053 changer transitions 0/1930 dead transitions. [2021-12-07 01:02:44,381 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 527 places, 1930 transitions, 79213 flow [2021-12-07 01:02:44,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-07 01:02:44,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-07 01:02:44,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2179 transitions. [2021-12-07 01:02:44,383 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.605109691752291 [2021-12-07 01:02:44,383 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2179 transitions. [2021-12-07 01:02:44,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2179 transitions. [2021-12-07 01:02:44,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:02:44,384 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2179 transitions. [2021-12-07 01:02:44,385 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 167.6153846153846) internal successors, (2179), 13 states have internal predecessors, (2179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:44,386 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 277.0) internal successors, (3878), 14 states have internal predecessors, (3878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:44,387 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 277.0) internal successors, (3878), 14 states have internal predecessors, (3878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:44,387 INFO L186 Difference]: Start difference. First operand has 515 places, 1576 transitions, 61523 flow. Second operand 13 states and 2179 transitions. [2021-12-07 01:02:44,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 527 places, 1930 transitions, 79213 flow [2021-12-07 01:02:48,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 520 places, 1930 transitions, 78969 flow, removed 56 selfloop flow, removed 7 redundant places. [2021-12-07 01:02:48,556 INFO L242 Difference]: Finished difference. Result has 524 places, 1792 transitions, 77942 flow [2021-12-07 01:02:48,557 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=61293, PETRI_DIFFERENCE_MINUEND_PLACES=508, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1576, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=837, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=638, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=77942, PETRI_PLACES=524, PETRI_TRANSITIONS=1792} [2021-12-07 01:02:48,557 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 251 predicate places. [2021-12-07 01:02:48,557 INFO L470 AbstractCegarLoop]: Abstraction has has 524 places, 1792 transitions, 77942 flow [2021-12-07 01:02:48,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:48,558 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:02:48,558 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:02:48,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-12-07 01:02:48,558 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:02:48,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:02:48,558 INFO L85 PathProgramCache]: Analyzing trace with hash 551809120, now seen corresponding path program 5 times [2021-12-07 01:02:48,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:02:48,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395718366] [2021-12-07 01:02:48,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:02:48,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:02:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:02:49,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:02:49,061 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:02:49,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395718366] [2021-12-07 01:02:49,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395718366] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:02:49,061 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:02:49,062 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:02:49,062 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548019409] [2021-12-07 01:02:49,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:02:49,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:02:49,062 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:02:49,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:02:49,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:02:49,064 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:02:49,064 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 524 places, 1792 transitions, 77942 flow. Second operand has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:49,065 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:02:49,065 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:02:49,065 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:02:55,711 INFO L129 PetriNetUnfolder]: 4832/8766 cut-off events. [2021-12-07 01:02:55,712 INFO L130 PetriNetUnfolder]: For 751021/751155 co-relation queries the response was YES. [2021-12-07 01:02:55,794 INFO L84 FinitePrefix]: Finished finitePrefix Result has 129912 conditions, 8766 events. 4832/8766 cut-off events. For 751021/751155 co-relation queries the response was YES. Maximal size of possible extension queue 513. Compared 61558 event pairs, 706 based on Foata normal form. 105/8791 useless extension candidates. Maximal degree in co-relation 129531. Up to 4279 conditions per place. [2021-12-07 01:02:55,874 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 1277 selfloop transitions, 1001 changer transitions 0/2427 dead transitions. [2021-12-07 01:02:55,874 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 538 places, 2427 transitions, 104021 flow [2021-12-07 01:02:55,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:02:55,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-07 01:02:55,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2500 transitions. [2021-12-07 01:02:55,876 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.601684717208183 [2021-12-07 01:02:55,877 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2500 transitions. [2021-12-07 01:02:55,877 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2500 transitions. [2021-12-07 01:02:55,877 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:02:55,877 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2500 transitions. [2021-12-07 01:02:55,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 166.66666666666666) internal successors, (2500), 15 states have internal predecessors, (2500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:55,881 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:55,882 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:55,882 INFO L186 Difference]: Start difference. First operand has 524 places, 1792 transitions, 77942 flow. Second operand 15 states and 2500 transitions. [2021-12-07 01:02:55,882 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 538 places, 2427 transitions, 104021 flow [2021-12-07 01:03:00,648 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 530 places, 2427 transitions, 103354 flow, removed 15 selfloop flow, removed 8 redundant places. [2021-12-07 01:03:00,719 INFO L242 Difference]: Finished difference. Result has 536 places, 2046 transitions, 92810 flow [2021-12-07 01:03:00,721 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=77527, PETRI_DIFFERENCE_MINUEND_PLACES=516, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1792, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=755, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=904, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=92810, PETRI_PLACES=536, PETRI_TRANSITIONS=2046} [2021-12-07 01:03:00,721 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 263 predicate places. [2021-12-07 01:03:00,721 INFO L470 AbstractCegarLoop]: Abstraction has has 536 places, 2046 transitions, 92810 flow [2021-12-07 01:03:00,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:03:00,721 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:03:00,721 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:03:00,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-12-07 01:03:00,722 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:03:00,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:03:00,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1309806124, now seen corresponding path program 6 times [2021-12-07 01:03:00,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:03:00,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186906252] [2021-12-07 01:03:00,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:03:00,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:03:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:01,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:03:01,085 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:03:01,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186906252] [2021-12-07 01:03:01,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186906252] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:03:01,086 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:03:01,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:03:01,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133446038] [2021-12-07 01:03:01,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:03:01,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:03:01,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:03:01,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:03:01,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:03:01,089 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:03:01,089 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 536 places, 2046 transitions, 92810 flow. Second operand has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:03:01,089 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:03:01,090 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:03:01,090 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:03:09,238 INFO L129 PetriNetUnfolder]: 5188/9441 cut-off events. [2021-12-07 01:03:09,238 INFO L130 PetriNetUnfolder]: For 869754/869881 co-relation queries the response was YES. [2021-12-07 01:03:09,322 INFO L84 FinitePrefix]: Finished finitePrefix Result has 147030 conditions, 9441 events. 5188/9441 cut-off events. For 869754/869881 co-relation queries the response was YES. Maximal size of possible extension queue 564. Compared 67632 event pairs, 1116 based on Foata normal form. 105/9451 useless extension candidates. Maximal degree in co-relation 146642. Up to 5589 conditions per place. [2021-12-07 01:03:09,394 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 865 selfloop transitions, 1431 changer transitions 0/2445 dead transitions. [2021-12-07 01:03:09,394 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 550 places, 2445 transitions, 112903 flow [2021-12-07 01:03:09,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:03:09,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-07 01:03:09,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2491 transitions. [2021-12-07 01:03:09,396 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5995186522262335 [2021-12-07 01:03:09,396 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2491 transitions. [2021-12-07 01:03:09,396 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2491 transitions. [2021-12-07 01:03:09,396 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:03:09,396 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2491 transitions. [2021-12-07 01:03:09,398 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 166.06666666666666) internal successors, (2491), 15 states have internal predecessors, (2491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:03:09,399 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:03:09,400 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:03:09,400 INFO L186 Difference]: Start difference. First operand has 536 places, 2046 transitions, 92810 flow. Second operand 15 states and 2491 transitions. [2021-12-07 01:03:09,400 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 550 places, 2445 transitions, 112903 flow [2021-12-07 01:03:16,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 542 places, 2445 transitions, 112375 flow, removed 143 selfloop flow, removed 8 redundant places. [2021-12-07 01:03:16,152 INFO L242 Difference]: Finished difference. Result has 549 places, 2301 transitions, 111801 flow [2021-12-07 01:03:16,153 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=92287, PETRI_DIFFERENCE_MINUEND_PLACES=528, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2046, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1181, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=764, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=111801, PETRI_PLACES=549, PETRI_TRANSITIONS=2301} [2021-12-07 01:03:16,154 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 276 predicate places. [2021-12-07 01:03:16,154 INFO L470 AbstractCegarLoop]: Abstraction has has 549 places, 2301 transitions, 111801 flow [2021-12-07 01:03:16,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:03:16,154 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:03:16,154 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:03:16,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-12-07 01:03:16,154 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:03:16,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:03:16,155 INFO L85 PathProgramCache]: Analyzing trace with hash 209969820, now seen corresponding path program 7 times [2021-12-07 01:03:16,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:03:16,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944957085] [2021-12-07 01:03:16,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:03:16,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:03:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:16,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:03:16,584 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:03:16,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944957085] [2021-12-07 01:03:16,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944957085] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:03:16,585 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:03:16,585 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:03:16,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036622596] [2021-12-07 01:03:16,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:03:16,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:03:16,585 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:03:16,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:03:16,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:03:16,587 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:03:16,588 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 549 places, 2301 transitions, 111801 flow. Second operand has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:03:16,588 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:03:16,588 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:03:16,588 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:03:25,658 INFO L129 PetriNetUnfolder]: 5251/9601 cut-off events. [2021-12-07 01:03:25,658 INFO L130 PetriNetUnfolder]: For 999042/999208 co-relation queries the response was YES. [2021-12-07 01:03:25,751 INFO L84 FinitePrefix]: Finished finitePrefix Result has 156203 conditions, 9601 events. 5251/9601 cut-off events. For 999042/999208 co-relation queries the response was YES. Maximal size of possible extension queue 580. Compared 69143 event pairs, 719 based on Foata normal form. 129/9633 useless extension candidates. Maximal degree in co-relation 155808. Up to 4955 conditions per place. [2021-12-07 01:03:25,840 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 1393 selfloop transitions, 1224 changer transitions 0/2766 dead transitions. [2021-12-07 01:03:25,840 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 563 places, 2766 transitions, 131805 flow [2021-12-07 01:03:25,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:03:25,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-07 01:03:25,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2499 transitions. [2021-12-07 01:03:25,842 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6014440433212996 [2021-12-07 01:03:25,842 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2499 transitions. [2021-12-07 01:03:25,842 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2499 transitions. [2021-12-07 01:03:25,842 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:03:25,842 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2499 transitions. [2021-12-07 01:03:25,844 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 166.6) internal successors, (2499), 15 states have internal predecessors, (2499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:03:25,846 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:03:25,846 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:03:25,846 INFO L186 Difference]: Start difference. First operand has 549 places, 2301 transitions, 111801 flow. Second operand 15 states and 2499 transitions. [2021-12-07 01:03:25,846 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 563 places, 2766 transitions, 131805 flow [2021-12-07 01:03:33,774 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 556 places, 2766 transitions, 131359 flow, removed 78 selfloop flow, removed 7 redundant places. [2021-12-07 01:03:33,865 INFO L242 Difference]: Finished difference. Result has 561 places, 2462 transitions, 123811 flow [2021-12-07 01:03:33,867 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=111409, PETRI_DIFFERENCE_MINUEND_PLACES=542, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1068, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=123811, PETRI_PLACES=561, PETRI_TRANSITIONS=2462} [2021-12-07 01:03:33,867 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 288 predicate places. [2021-12-07 01:03:33,868 INFO L470 AbstractCegarLoop]: Abstraction has has 561 places, 2462 transitions, 123811 flow [2021-12-07 01:03:33,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:03:33,868 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:03:33,868 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:03:33,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-12-07 01:03:33,868 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:03:33,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:03:33,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1021384722, now seen corresponding path program 8 times [2021-12-07 01:03:33,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:03:33,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722065998] [2021-12-07 01:03:33,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:03:33,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:03:33,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:34,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:03:34,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:03:34,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722065998] [2021-12-07 01:03:34,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722065998] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:03:34,305 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:03:34,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:03:34,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897095424] [2021-12-07 01:03:34,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:03:34,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:03:34,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:03:34,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:03:34,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:03:34,307 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:03:34,308 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 561 places, 2462 transitions, 123811 flow. Second operand has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:03:34,308 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:03:34,308 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:03:34,308 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:03:45,110 INFO L129 PetriNetUnfolder]: 5841/10620 cut-off events. [2021-12-07 01:03:45,110 INFO L130 PetriNetUnfolder]: For 1202432/1202631 co-relation queries the response was YES. [2021-12-07 01:03:45,239 INFO L84 FinitePrefix]: Finished finitePrefix Result has 180843 conditions, 10620 events. 5841/10620 cut-off events. For 1202432/1202631 co-relation queries the response was YES. Maximal size of possible extension queue 654. Compared 77573 event pairs, 1163 based on Foata normal form. 147/10656 useless extension candidates. Maximal degree in co-relation 180442. Up to 5968 conditions per place. [2021-12-07 01:03:45,351 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 1109 selfloop transitions, 1749 changer transitions 0/3007 dead transitions. [2021-12-07 01:03:45,351 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 575 places, 3007 transitions, 152702 flow [2021-12-07 01:03:45,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:03:45,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-07 01:03:45,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2493 transitions. [2021-12-07 01:03:45,354 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6 [2021-12-07 01:03:45,354 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2493 transitions. [2021-12-07 01:03:45,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2493 transitions. [2021-12-07 01:03:45,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:03:45,355 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2493 transitions. [2021-12-07 01:03:45,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 166.2) internal successors, (2493), 15 states have internal predecessors, (2493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:03:45,359 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:03:45,360 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:03:45,360 INFO L186 Difference]: Start difference. First operand has 561 places, 2462 transitions, 123811 flow. Second operand 15 states and 2493 transitions. [2021-12-07 01:03:45,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 575 places, 3007 transitions, 152702 flow [2021-12-07 01:03:55,673 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 567 places, 3007 transitions, 152189 flow, removed 144 selfloop flow, removed 8 redundant places. [2021-12-07 01:03:55,784 INFO L242 Difference]: Finished difference. Result has 574 places, 2815 transitions, 148241 flow [2021-12-07 01:03:55,786 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=123308, PETRI_DIFFERENCE_MINUEND_PLACES=553, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2462, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1419, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=908, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=148241, PETRI_PLACES=574, PETRI_TRANSITIONS=2815} [2021-12-07 01:03:55,786 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 301 predicate places. [2021-12-07 01:03:55,786 INFO L470 AbstractCegarLoop]: Abstraction has has 574 places, 2815 transitions, 148241 flow [2021-12-07 01:03:55,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:03:55,787 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:03:55,787 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:03:55,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-12-07 01:03:55,787 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:03:55,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:03:55,787 INFO L85 PathProgramCache]: Analyzing trace with hash 7986840, now seen corresponding path program 9 times [2021-12-07 01:03:55,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:03:55,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8071835] [2021-12-07 01:03:55,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:03:55,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:03:55,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:56,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:03:56,176 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:03:56,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8071835] [2021-12-07 01:03:56,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8071835] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:03:56,177 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:03:56,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:03:56,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955543249] [2021-12-07 01:03:56,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:03:56,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:03:56,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:03:56,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:03:56,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:03:56,179 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:03:56,180 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 574 places, 2815 transitions, 148241 flow. Second operand has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:03:56,180 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:03:56,180 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:03:56,180 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:04:08,064 INFO L129 PetriNetUnfolder]: 5850/10598 cut-off events. [2021-12-07 01:04:08,064 INFO L130 PetriNetUnfolder]: For 1274751/1274957 co-relation queries the response was YES. [2021-12-07 01:04:08,176 INFO L84 FinitePrefix]: Finished finitePrefix Result has 187730 conditions, 10598 events. 5850/10598 cut-off events. For 1274751/1274957 co-relation queries the response was YES. Maximal size of possible extension queue 655. Compared 77184 event pairs, 789 based on Foata normal form. 145/10632 useless extension candidates. Maximal degree in co-relation 187322. Up to 5857 conditions per place. [2021-12-07 01:04:08,267 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 1523 selfloop transitions, 1447 changer transitions 0/3119 dead transitions. [2021-12-07 01:04:08,267 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 588 places, 3119 transitions, 160543 flow [2021-12-07 01:04:08,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:04:08,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-07 01:04:08,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2496 transitions. [2021-12-07 01:04:08,269 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6007220216606498 [2021-12-07 01:04:08,269 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2496 transitions. [2021-12-07 01:04:08,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2496 transitions. [2021-12-07 01:04:08,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:04:08,269 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2496 transitions. [2021-12-07 01:04:08,271 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 166.4) internal successors, (2496), 15 states have internal predecessors, (2496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:04:08,273 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:04:08,273 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:04:08,273 INFO L186 Difference]: Start difference. First operand has 574 places, 2815 transitions, 148241 flow. Second operand 15 states and 2496 transitions. [2021-12-07 01:04:08,273 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 588 places, 3119 transitions, 160543 flow [2021-12-07 01:04:19,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 582 places, 3119 transitions, 160045 flow, removed 200 selfloop flow, removed 6 redundant places. [2021-12-07 01:04:19,830 INFO L242 Difference]: Finished difference. Result has 583 places, 2820 transitions, 150975 flow [2021-12-07 01:04:19,832 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=147753, PETRI_DIFFERENCE_MINUEND_PLACES=568, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2815, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1442, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=150975, PETRI_PLACES=583, PETRI_TRANSITIONS=2820} [2021-12-07 01:04:19,832 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 310 predicate places. [2021-12-07 01:04:19,832 INFO L470 AbstractCegarLoop]: Abstraction has has 583 places, 2820 transitions, 150975 flow [2021-12-07 01:04:19,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:04:19,833 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:04:19,833 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:04:19,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-12-07 01:04:19,833 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:04:19,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:04:19,833 INFO L85 PathProgramCache]: Analyzing trace with hash -857643628, now seen corresponding path program 10 times [2021-12-07 01:04:19,833 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:04:19,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329824814] [2021-12-07 01:04:19,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:04:19,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:04:19,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:04:20,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:04:20,314 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:04:20,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329824814] [2021-12-07 01:04:20,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329824814] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:04:20,314 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:04:20,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:04:20,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954812059] [2021-12-07 01:04:20,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:04:20,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:04:20,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:04:20,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:04:20,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:04:20,316 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:04:20,317 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 583 places, 2820 transitions, 150975 flow. Second operand has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:04:20,317 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:04:20,317 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:04:20,317 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:04:33,319 INFO L129 PetriNetUnfolder]: 6235/11335 cut-off events. [2021-12-07 01:04:33,319 INFO L130 PetriNetUnfolder]: For 1451080/1451335 co-relation queries the response was YES. [2021-12-07 01:04:33,438 INFO L84 FinitePrefix]: Finished finitePrefix Result has 204648 conditions, 11335 events. 6235/11335 cut-off events. For 1451080/1451335 co-relation queries the response was YES. Maximal size of possible extension queue 716. Compared 84128 event pairs, 1155 based on Foata normal form. 193/11405 useless extension candidates. Maximal degree in co-relation 204238. Up to 6049 conditions per place. [2021-12-07 01:04:33,561 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 1295 selfloop transitions, 1899 changer transitions 0/3343 dead transitions. [2021-12-07 01:04:33,561 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 597 places, 3343 transitions, 180025 flow [2021-12-07 01:04:33,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:04:33,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-07 01:04:33,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2493 transitions. [2021-12-07 01:04:33,564 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6 [2021-12-07 01:04:33,564 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2493 transitions. [2021-12-07 01:04:33,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2493 transitions. [2021-12-07 01:04:33,564 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:04:33,564 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2493 transitions. [2021-12-07 01:04:33,566 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 166.2) internal successors, (2493), 15 states have internal predecessors, (2493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:04:33,568 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:04:33,568 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:04:33,568 INFO L186 Difference]: Start difference. First operand has 583 places, 2820 transitions, 150975 flow. Second operand 15 states and 2493 transitions. [2021-12-07 01:04:33,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 597 places, 3343 transitions, 180025 flow [2021-12-07 01:04:46,724 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 586 places, 3343 transitions, 178037 flow, removed 35 selfloop flow, removed 11 redundant places. [2021-12-07 01:04:46,845 INFO L242 Difference]: Finished difference. Result has 594 places, 3123 transitions, 172731 flow [2021-12-07 01:04:46,847 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=149142, PETRI_DIFFERENCE_MINUEND_PLACES=572, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2820, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1604, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=172731, PETRI_PLACES=594, PETRI_TRANSITIONS=3123} [2021-12-07 01:04:46,847 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 321 predicate places. [2021-12-07 01:04:46,848 INFO L470 AbstractCegarLoop]: Abstraction has has 594 places, 3123 transitions, 172731 flow [2021-12-07 01:04:46,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:04:46,848 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:04:46,848 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:04:46,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-12-07 01:04:46,848 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:04:46,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:04:46,849 INFO L85 PathProgramCache]: Analyzing trace with hash 640771304, now seen corresponding path program 11 times [2021-12-07 01:04:46,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:04:46,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666055155] [2021-12-07 01:04:46,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:04:46,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:04:46,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:04:47,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:04:47,156 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:04:47,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666055155] [2021-12-07 01:04:47,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666055155] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:04:47,156 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:04:47,156 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:04:47,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494488571] [2021-12-07 01:04:47,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:04:47,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:04:47,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:04:47,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:04:47,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:04:47,158 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:04:47,159 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 594 places, 3123 transitions, 172731 flow. Second operand has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:04:47,159 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:04:47,159 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:04:47,159 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:05:02,193 INFO L129 PetriNetUnfolder]: 6354/11596 cut-off events. [2021-12-07 01:05:02,193 INFO L130 PetriNetUnfolder]: For 1561529/1561820 co-relation queries the response was YES. [2021-12-07 01:05:02,325 INFO L84 FinitePrefix]: Finished finitePrefix Result has 216353 conditions, 11596 events. 6354/11596 cut-off events. For 1561529/1561820 co-relation queries the response was YES. Maximal size of possible extension queue 741. Compared 86514 event pairs, 1300 based on Foata normal form. 181/11646 useless extension candidates. Maximal degree in co-relation 215935. Up to 7036 conditions per place. [2021-12-07 01:05:02,427 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 1054 selfloop transitions, 2198 changer transitions 0/3401 dead transitions. [2021-12-07 01:05:02,427 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 607 places, 3401 transitions, 190096 flow [2021-12-07 01:05:02,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-07 01:05:02,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-12-07 01:05:02,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2335 transitions. [2021-12-07 01:05:02,430 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6021144920061887 [2021-12-07 01:05:02,430 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2335 transitions. [2021-12-07 01:05:02,430 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2335 transitions. [2021-12-07 01:05:02,430 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:05:02,430 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2335 transitions. [2021-12-07 01:05:02,432 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 166.78571428571428) internal successors, (2335), 14 states have internal predecessors, (2335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:05:02,433 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 277.0) internal successors, (4155), 15 states have internal predecessors, (4155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:05:02,433 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 277.0) internal successors, (4155), 15 states have internal predecessors, (4155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:05:02,433 INFO L186 Difference]: Start difference. First operand has 594 places, 3123 transitions, 172731 flow. Second operand 14 states and 2335 transitions. [2021-12-07 01:05:02,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 607 places, 3401 transitions, 190096 flow [2021-12-07 01:05:17,267 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 602 places, 3401 transitions, 189727 flow, removed 180 selfloop flow, removed 5 redundant places. [2021-12-07 01:05:17,397 INFO L242 Difference]: Finished difference. Result has 607 places, 3280 transitions, 189258 flow [2021-12-07 01:05:17,400 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=172368, PETRI_DIFFERENCE_MINUEND_PLACES=589, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2041, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=969, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=189258, PETRI_PLACES=607, PETRI_TRANSITIONS=3280} [2021-12-07 01:05:17,400 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 334 predicate places. [2021-12-07 01:05:17,400 INFO L470 AbstractCegarLoop]: Abstraction has has 607 places, 3280 transitions, 189258 flow [2021-12-07 01:05:17,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:05:17,400 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:05:17,401 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:05:17,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-12-07 01:05:17,401 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:05:17,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:05:17,401 INFO L85 PathProgramCache]: Analyzing trace with hash 462673098, now seen corresponding path program 12 times [2021-12-07 01:05:17,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:05:17,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776577576] [2021-12-07 01:05:17,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:05:17,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:05:17,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:17,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:05:17,692 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:05:17,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776577576] [2021-12-07 01:05:17,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776577576] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:05:17,692 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:05:17,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:05:17,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561172040] [2021-12-07 01:05:17,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:05:17,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:05:17,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:05:17,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:05:17,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:05:17,694 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:05:17,695 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 607 places, 3280 transitions, 189258 flow. Second operand has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:05:17,695 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:05:17,695 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:05:17,695 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:05:34,219 INFO L129 PetriNetUnfolder]: 6504/11902 cut-off events. [2021-12-07 01:05:34,219 INFO L130 PetriNetUnfolder]: For 1747767/1748067 co-relation queries the response was YES. [2021-12-07 01:05:34,365 INFO L84 FinitePrefix]: Finished finitePrefix Result has 228452 conditions, 11902 events. 6504/11902 cut-off events. For 1747767/1748067 co-relation queries the response was YES. Maximal size of possible extension queue 767. Compared 89573 event pairs, 1246 based on Foata normal form. 180/11946 useless extension candidates. Maximal degree in co-relation 228028. Up to 7155 conditions per place. [2021-12-07 01:05:34,474 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 1131 selfloop transitions, 2253 changer transitions 0/3533 dead transitions. [2021-12-07 01:05:34,474 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 620 places, 3533 transitions, 205908 flow [2021-12-07 01:05:34,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-07 01:05:34,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-12-07 01:05:34,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2333 transitions. [2021-12-07 01:05:34,476 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6015987622485818 [2021-12-07 01:05:34,477 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2333 transitions. [2021-12-07 01:05:34,477 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2333 transitions. [2021-12-07 01:05:34,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:05:34,477 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2333 transitions. [2021-12-07 01:05:34,478 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 166.64285714285714) internal successors, (2333), 14 states have internal predecessors, (2333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:05:34,480 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 277.0) internal successors, (4155), 15 states have internal predecessors, (4155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:05:34,480 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 277.0) internal successors, (4155), 15 states have internal predecessors, (4155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:05:34,480 INFO L186 Difference]: Start difference. First operand has 607 places, 3280 transitions, 189258 flow. Second operand 14 states and 2333 transitions. [2021-12-07 01:05:34,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 620 places, 3533 transitions, 205908 flow [2021-12-07 01:05:51,839 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 614 places, 3533 transitions, 204906 flow, removed 447 selfloop flow, removed 6 redundant places. [2021-12-07 01:05:51,981 INFO L242 Difference]: Finished difference. Result has 620 places, 3412 transitions, 204685 flow [2021-12-07 01:05:51,984 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=188262, PETRI_DIFFERENCE_MINUEND_PLACES=601, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2121, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1070, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=204685, PETRI_PLACES=620, PETRI_TRANSITIONS=3412} [2021-12-07 01:05:51,984 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 347 predicate places. [2021-12-07 01:05:51,984 INFO L470 AbstractCegarLoop]: Abstraction has has 620 places, 3412 transitions, 204685 flow [2021-12-07 01:05:51,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:05:51,985 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:05:51,985 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:05:51,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-12-07 01:05:51,985 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:05:51,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:05:51,985 INFO L85 PathProgramCache]: Analyzing trace with hash 642875894, now seen corresponding path program 13 times [2021-12-07 01:05:51,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:05:51,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881457595] [2021-12-07 01:05:51,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:05:51,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:05:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:05:52,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:05:52,335 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:05:52,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881457595] [2021-12-07 01:05:52,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881457595] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:05:52,335 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:05:52,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:05:52,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746933354] [2021-12-07 01:05:52,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:05:52,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:05:52,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:05:52,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:05:52,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:05:52,337 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:05:52,338 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 620 places, 3412 transitions, 204685 flow. Second operand has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:05:52,338 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:05:52,338 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:05:52,338 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:06:11,317 INFO L129 PetriNetUnfolder]: 6572/12061 cut-off events. [2021-12-07 01:06:11,317 INFO L130 PetriNetUnfolder]: For 1918405/1918704 co-relation queries the response was YES. [2021-12-07 01:06:11,469 INFO L84 FinitePrefix]: Finished finitePrefix Result has 238342 conditions, 12061 events. 6572/12061 cut-off events. For 1918405/1918704 co-relation queries the response was YES. Maximal size of possible extension queue 775. Compared 91361 event pairs, 1250 based on Foata normal form. 192/12114 useless extension candidates. Maximal degree in co-relation 237911. Up to 7177 conditions per place. [2021-12-07 01:06:11,580 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 1141 selfloop transitions, 2351 changer transitions 0/3641 dead transitions. [2021-12-07 01:06:11,580 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 634 places, 3641 transitions, 220149 flow [2021-12-07 01:06:11,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:06:11,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-07 01:06:11,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2492 transitions. [2021-12-07 01:06:11,582 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5997593261131168 [2021-12-07 01:06:11,583 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2492 transitions. [2021-12-07 01:06:11,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2492 transitions. [2021-12-07 01:06:11,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:06:11,583 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2492 transitions. [2021-12-07 01:06:11,585 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 166.13333333333333) internal successors, (2492), 15 states have internal predecessors, (2492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:06:11,586 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:06:11,586 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:06:11,587 INFO L186 Difference]: Start difference. First operand has 620 places, 3412 transitions, 204685 flow. Second operand 15 states and 2492 transitions. [2021-12-07 01:06:11,587 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 634 places, 3641 transitions, 220149 flow [2021-12-07 01:06:30,774 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 628 places, 3641 transitions, 218563 flow, removed 483 selfloop flow, removed 6 redundant places. [2021-12-07 01:06:30,932 INFO L242 Difference]: Finished difference. Result has 632 places, 3532 transitions, 216488 flow [2021-12-07 01:06:30,934 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=203159, PETRI_DIFFERENCE_MINUEND_PLACES=614, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3412, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2236, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=216488, PETRI_PLACES=632, PETRI_TRANSITIONS=3532} [2021-12-07 01:06:30,935 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 359 predicate places. [2021-12-07 01:06:30,935 INFO L470 AbstractCegarLoop]: Abstraction has has 632 places, 3532 transitions, 216488 flow [2021-12-07 01:06:30,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:06:30,935 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:06:30,935 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:06:30,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-12-07 01:06:30,935 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:06:30,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:06:30,936 INFO L85 PathProgramCache]: Analyzing trace with hash 464777688, now seen corresponding path program 14 times [2021-12-07 01:06:30,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:06:30,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111024322] [2021-12-07 01:06:30,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:06:30,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:06:30,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:31,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:06:31,297 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:06:31,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111024322] [2021-12-07 01:06:31,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111024322] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:06:31,297 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:06:31,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:06:31,298 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638741907] [2021-12-07 01:06:31,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:06:31,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:06:31,298 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:06:31,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:06:31,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:06:31,299 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:06:31,300 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 632 places, 3532 transitions, 216488 flow. Second operand has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:06:31,300 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:06:31,300 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:06:31,300 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:06:50,164 INFO L129 PetriNetUnfolder]: 6769/12450 cut-off events. [2021-12-07 01:06:50,165 INFO L130 PetriNetUnfolder]: For 2056404/2056699 co-relation queries the response was YES. [2021-12-07 01:06:50,324 INFO L84 FinitePrefix]: Finished finitePrefix Result has 251889 conditions, 12450 events. 6769/12450 cut-off events. For 2056404/2056699 co-relation queries the response was YES. Maximal size of possible extension queue 803. Compared 94784 event pairs, 1297 based on Foata normal form. 192/12500 useless extension candidates. Maximal degree in co-relation 251453. Up to 7345 conditions per place. [2021-12-07 01:06:50,444 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 1229 selfloop transitions, 2426 changer transitions 0/3804 dead transitions. [2021-12-07 01:06:50,444 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 646 places, 3804 transitions, 235236 flow [2021-12-07 01:06:50,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:06:50,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-07 01:06:50,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2490 transitions. [2021-12-07 01:06:50,446 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5992779783393501 [2021-12-07 01:06:50,446 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2490 transitions. [2021-12-07 01:06:50,446 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2490 transitions. [2021-12-07 01:06:50,447 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:06:50,447 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2490 transitions. [2021-12-07 01:06:50,448 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 166.0) internal successors, (2490), 15 states have internal predecessors, (2490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:06:50,450 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:06:50,450 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:06:50,450 INFO L186 Difference]: Start difference. First operand has 632 places, 3532 transitions, 216488 flow. Second operand 15 states and 2490 transitions. [2021-12-07 01:06:50,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 646 places, 3804 transitions, 235236 flow [2021-12-07 01:07:11,818 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 638 places, 3804 transitions, 233914 flow, removed 53 selfloop flow, removed 8 redundant places. [2021-12-07 01:07:11,985 INFO L242 Difference]: Finished difference. Result has 643 places, 3680 transitions, 233246 flow [2021-12-07 01:07:11,987 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=215242, PETRI_DIFFERENCE_MINUEND_PLACES=624, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3532, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2283, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=233246, PETRI_PLACES=643, PETRI_TRANSITIONS=3680} [2021-12-07 01:07:11,987 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 370 predicate places. [2021-12-07 01:07:11,987 INFO L470 AbstractCegarLoop]: Abstraction has has 643 places, 3680 transitions, 233246 flow [2021-12-07 01:07:11,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:07:11,988 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:07:11,988 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:07:11,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-12-07 01:07:11,988 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:07:11,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:07:11,988 INFO L85 PathProgramCache]: Analyzing trace with hash 666760668, now seen corresponding path program 15 times [2021-12-07 01:07:11,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:07:11,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953182797] [2021-12-07 01:07:11,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:07:11,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:07:12,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:12,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:07:12,414 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:07:12,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953182797] [2021-12-07 01:07:12,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953182797] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:07:12,415 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:07:12,415 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:07:12,415 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066683807] [2021-12-07 01:07:12,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:07:12,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:07:12,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:07:12,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:07:12,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:07:12,417 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:07:12,418 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 643 places, 3680 transitions, 233246 flow. Second operand has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:07:12,418 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:07:12,418 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:07:12,418 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:07:34,205 INFO L129 PetriNetUnfolder]: 6833/12614 cut-off events. [2021-12-07 01:07:34,205 INFO L130 PetriNetUnfolder]: For 2220199/2220497 co-relation queries the response was YES. [2021-12-07 01:07:34,358 INFO L84 FinitePrefix]: Finished finitePrefix Result has 261920 conditions, 12614 events. 6833/12614 cut-off events. For 2220199/2220497 co-relation queries the response was YES. Maximal size of possible extension queue 812. Compared 96570 event pairs, 1267 based on Foata normal form. 191/12658 useless extension candidates. Maximal degree in co-relation 261478. Up to 7258 conditions per place. [2021-12-07 01:07:34,481 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 1322 selfloop transitions, 2484 changer transitions 0/3955 dead transitions. [2021-12-07 01:07:34,481 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 657 places, 3955 transitions, 251949 flow [2021-12-07 01:07:34,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:07:34,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-07 01:07:34,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2494 transitions. [2021-12-07 01:07:34,483 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6002406738868833 [2021-12-07 01:07:34,483 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2494 transitions. [2021-12-07 01:07:34,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2494 transitions. [2021-12-07 01:07:34,484 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:07:34,484 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2494 transitions. [2021-12-07 01:07:34,486 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 166.26666666666668) internal successors, (2494), 15 states have internal predecessors, (2494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:07:34,488 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:07:34,488 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:07:34,488 INFO L186 Difference]: Start difference. First operand has 643 places, 3680 transitions, 233246 flow. Second operand 15 states and 2494 transitions. [2021-12-07 01:07:34,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 657 places, 3955 transitions, 251949 flow [2021-12-07 01:07:58,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 649 places, 3955 transitions, 250618 flow, removed 90 selfloop flow, removed 8 redundant places. [2021-12-07 01:07:58,392 INFO L242 Difference]: Finished difference. Result has 654 places, 3842 transitions, 248553 flow [2021-12-07 01:07:58,394 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=231966, PETRI_DIFFERENCE_MINUEND_PLACES=635, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3680, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2327, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=248553, PETRI_PLACES=654, PETRI_TRANSITIONS=3842} [2021-12-07 01:07:58,395 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 381 predicate places. [2021-12-07 01:07:58,395 INFO L470 AbstractCegarLoop]: Abstraction has has 654 places, 3842 transitions, 248553 flow [2021-12-07 01:07:58,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.42857142857142) internal successors, (2134), 14 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:07:58,395 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:07:58,395 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:07:58,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-12-07 01:07:58,395 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:07:58,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:07:58,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1369085252, now seen corresponding path program 1 times [2021-12-07 01:07:58,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:07:58,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294074083] [2021-12-07 01:07:58,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:07:58,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:07:58,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:58,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:07:58,464 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:07:58,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294074083] [2021-12-07 01:07:58,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294074083] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:07:58,464 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:07:58,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:07:58,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845291087] [2021-12-07 01:07:58,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:07:58,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:07:58,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:07:58,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:07:58,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:07:58,466 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 277 [2021-12-07 01:07:58,466 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 654 places, 3842 transitions, 248553 flow. Second operand has 6 states, 6 states have (on average 172.83333333333334) internal successors, (1037), 6 states have internal predecessors, (1037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:07:58,466 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:07:58,466 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 277 [2021-12-07 01:07:58,466 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:08:15,765 INFO L129 PetriNetUnfolder]: 5719/10884 cut-off events. [2021-12-07 01:08:15,765 INFO L130 PetriNetUnfolder]: For 2252548/2253823 co-relation queries the response was YES. [2021-12-07 01:08:15,905 INFO L84 FinitePrefix]: Finished finitePrefix Result has 249334 conditions, 10884 events. 5719/10884 cut-off events. For 2252548/2253823 co-relation queries the response was YES. Maximal size of possible extension queue 752. Compared 83775 event pairs, 1302 based on Foata normal form. 311/10962 useless extension candidates. Maximal degree in co-relation 241935. Up to 9251 conditions per place. [2021-12-07 01:08:16,015 INFO L132 encePairwiseOnDemand]: 266/277 looper letters, 3607 selfloop transitions, 0 changer transitions 84/3847 dead transitions. [2021-12-07 01:08:16,016 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 657 places, 3847 transitions, 255868 flow [2021-12-07 01:08:16,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 01:08:16,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-07 01:08:16,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1081 transitions. [2021-12-07 01:08:16,017 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6504211793020457 [2021-12-07 01:08:16,017 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1081 transitions. [2021-12-07 01:08:16,017 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1081 transitions. [2021-12-07 01:08:16,018 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:08:16,018 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1081 transitions. [2021-12-07 01:08:16,018 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 180.16666666666666) internal successors, (1081), 6 states have internal predecessors, (1081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:08:16,019 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 277.0) internal successors, (1939), 7 states have internal predecessors, (1939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:08:16,019 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 277.0) internal successors, (1939), 7 states have internal predecessors, (1939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:08:16,019 INFO L186 Difference]: Start difference. First operand has 654 places, 3842 transitions, 248553 flow. Second operand 6 states and 1081 transitions. [2021-12-07 01:08:16,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 657 places, 3847 transitions, 255868 flow [2021-12-07 01:08:38,728 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 652 places, 3847 transitions, 255617 flow, removed 121 selfloop flow, removed 5 redundant places. [2021-12-07 01:08:38,915 INFO L242 Difference]: Finished difference. Result has 652 places, 3763 transitions, 248116 flow [2021-12-07 01:08:38,917 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=248298, PETRI_DIFFERENCE_MINUEND_PLACES=647, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3840, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3840, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=248116, PETRI_PLACES=652, PETRI_TRANSITIONS=3763} [2021-12-07 01:08:38,918 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 379 predicate places. [2021-12-07 01:08:38,918 INFO L470 AbstractCegarLoop]: Abstraction has has 652 places, 3763 transitions, 248116 flow [2021-12-07 01:08:38,918 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 172.83333333333334) internal successors, (1037), 6 states have internal predecessors, (1037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:08:38,918 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:08:38,918 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:08:38,918 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-12-07 01:08:38,918 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:08:38,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:08:38,919 INFO L85 PathProgramCache]: Analyzing trace with hash 318038341, now seen corresponding path program 1 times [2021-12-07 01:08:38,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:08:38,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168946015] [2021-12-07 01:08:38,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:08:38,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:08:38,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:08:39,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:08:39,592 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:08:39,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168946015] [2021-12-07 01:08:39,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168946015] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:08:39,592 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:08:39,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:08:39,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607843629] [2021-12-07 01:08:39,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:08:39,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:08:39,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:08:39,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:08:39,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:08:39,594 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:08:39,595 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 652 places, 3763 transitions, 248116 flow. Second operand has 14 states, 14 states have (on average 152.57142857142858) internal successors, (2136), 14 states have internal predecessors, (2136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:08:39,595 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:08:39,595 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:08:39,595 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:08:59,468 INFO L129 PetriNetUnfolder]: 6578/12071 cut-off events. [2021-12-07 01:08:59,468 INFO L130 PetriNetUnfolder]: For 2224532/2225571 co-relation queries the response was YES. [2021-12-07 01:08:59,630 INFO L84 FinitePrefix]: Finished finitePrefix Result has 261794 conditions, 12071 events. 6578/12071 cut-off events. For 2224532/2225571 co-relation queries the response was YES. Maximal size of possible extension queue 811. Compared 96372 event pairs, 540 based on Foata normal form. 618/12495 useless extension candidates. Maximal degree in co-relation 261635. Up to 6456 conditions per place. [2021-12-07 01:08:59,754 INFO L132 encePairwiseOnDemand]: 261/277 looper letters, 2171 selfloop transitions, 1589 changer transitions 1/3871 dead transitions. [2021-12-07 01:08:59,754 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 587 places, 3871 transitions, 257901 flow [2021-12-07 01:08:59,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:08:59,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-07 01:08:59,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2374 transitions. [2021-12-07 01:08:59,756 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5713598074608905 [2021-12-07 01:08:59,756 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2374 transitions. [2021-12-07 01:08:59,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2374 transitions. [2021-12-07 01:08:59,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:08:59,757 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2374 transitions. [2021-12-07 01:08:59,758 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 158.26666666666668) internal successors, (2374), 15 states have internal predecessors, (2374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:08:59,760 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:08:59,760 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:08:59,760 INFO L186 Difference]: Start difference. First operand has 652 places, 3763 transitions, 248116 flow. Second operand 15 states and 2374 transitions. [2021-12-07 01:08:59,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 587 places, 3871 transitions, 257901 flow [2021-12-07 01:09:24,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 582 places, 3871 transitions, 255754 flow, removed 1072 selfloop flow, removed 5 redundant places. [2021-12-07 01:09:24,792 INFO L242 Difference]: Finished difference. Result has 587 places, 3777 transitions, 252302 flow [2021-12-07 01:09:24,794 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=246025, PETRI_DIFFERENCE_MINUEND_PLACES=568, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3763, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1577, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=252302, PETRI_PLACES=587, PETRI_TRANSITIONS=3777} [2021-12-07 01:09:24,795 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 314 predicate places. [2021-12-07 01:09:24,795 INFO L470 AbstractCegarLoop]: Abstraction has has 587 places, 3777 transitions, 252302 flow [2021-12-07 01:09:24,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.57142857142858) internal successors, (2136), 14 states have internal predecessors, (2136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:09:24,795 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:09:24,795 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:09:24,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-12-07 01:09:24,795 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:09:24,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:09:24,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1985041809, now seen corresponding path program 2 times [2021-12-07 01:09:24,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:09:24,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421805916] [2021-12-07 01:09:24,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:09:24,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:09:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:09:26,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:09:26,076 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:09:26,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421805916] [2021-12-07 01:09:26,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421805916] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:09:26,077 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:09:26,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:09:26,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976464603] [2021-12-07 01:09:26,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:09:26,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:09:26,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:09:26,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:09:26,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:09:26,079 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:09:26,080 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 587 places, 3777 transitions, 252302 flow. Second operand has 14 states, 14 states have (on average 152.57142857142858) internal successors, (2136), 14 states have internal predecessors, (2136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:09:26,080 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:09:26,080 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:09:26,080 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:09:46,475 INFO L129 PetriNetUnfolder]: 6615/12267 cut-off events. [2021-12-07 01:09:46,475 INFO L130 PetriNetUnfolder]: For 2306265/2307301 co-relation queries the response was YES. [2021-12-07 01:09:46,662 INFO L84 FinitePrefix]: Finished finitePrefix Result has 264175 conditions, 12267 events. 6615/12267 cut-off events. For 2306265/2307301 co-relation queries the response was YES. Maximal size of possible extension queue 820. Compared 98571 event pairs, 540 based on Foata normal form. 591/12674 useless extension candidates. Maximal degree in co-relation 264014. Up to 5419 conditions per place. [2021-12-07 01:09:46,886 INFO L132 encePairwiseOnDemand]: 262/277 looper letters, 2646 selfloop transitions, 1128 changer transitions 1/3885 dead transitions. [2021-12-07 01:09:46,886 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 601 places, 3885 transitions, 262109 flow [2021-12-07 01:09:46,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:09:46,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-07 01:09:46,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2374 transitions. [2021-12-07 01:09:46,888 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5713598074608905 [2021-12-07 01:09:46,888 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2374 transitions. [2021-12-07 01:09:46,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2374 transitions. [2021-12-07 01:09:46,889 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:09:46,889 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2374 transitions. [2021-12-07 01:09:46,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 158.26666666666668) internal successors, (2374), 15 states have internal predecessors, (2374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:09:46,892 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:09:46,892 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:09:46,892 INFO L186 Difference]: Start difference. First operand has 587 places, 3777 transitions, 252302 flow. Second operand 15 states and 2374 transitions. [2021-12-07 01:09:46,892 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 601 places, 3885 transitions, 262109 flow [2021-12-07 01:10:13,483 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 593 places, 3885 transitions, 261582 flow, removed 17 selfloop flow, removed 8 redundant places. [2021-12-07 01:10:13,661 INFO L242 Difference]: Finished difference. Result has 598 places, 3791 transitions, 256242 flow [2021-12-07 01:10:13,663 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=251775, PETRI_DIFFERENCE_MINUEND_PLACES=579, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3777, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1116, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2655, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=256242, PETRI_PLACES=598, PETRI_TRANSITIONS=3791} [2021-12-07 01:10:13,663 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 325 predicate places. [2021-12-07 01:10:13,663 INFO L470 AbstractCegarLoop]: Abstraction has has 598 places, 3791 transitions, 256242 flow [2021-12-07 01:10:13,663 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.57142857142858) internal successors, (2136), 14 states have internal predecessors, (2136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:10:13,663 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:10:13,663 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:10:13,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-12-07 01:10:13,664 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:10:13,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:10:13,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1518858239, now seen corresponding path program 3 times [2021-12-07 01:10:13,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:10:13,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195392145] [2021-12-07 01:10:13,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:10:13,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:10:13,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:10:14,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:10:14,408 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:10:14,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195392145] [2021-12-07 01:10:14,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195392145] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:10:14,408 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:10:14,408 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:10:14,408 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890910751] [2021-12-07 01:10:14,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:10:14,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:10:14,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:10:14,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:10:14,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:10:14,410 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:10:14,411 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 598 places, 3791 transitions, 256242 flow. Second operand has 14 states, 14 states have (on average 152.57142857142858) internal successors, (2136), 14 states have internal predecessors, (2136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:10:14,411 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:10:14,411 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:10:14,411 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:10:35,511 INFO L129 PetriNetUnfolder]: 6740/12667 cut-off events. [2021-12-07 01:10:35,511 INFO L130 PetriNetUnfolder]: For 2493896/2495166 co-relation queries the response was YES. [2021-12-07 01:10:35,719 INFO L84 FinitePrefix]: Finished finitePrefix Result has 273342 conditions, 12667 events. 6740/12667 cut-off events. For 2493896/2495166 co-relation queries the response was YES. Maximal size of possible extension queue 835. Compared 103638 event pairs, 562 based on Foata normal form. 481/12945 useless extension candidates. Maximal degree in co-relation 273176. Up to 6594 conditions per place. [2021-12-07 01:10:35,843 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 1826 selfloop transitions, 1966 changer transitions 2/3904 dead transitions. [2021-12-07 01:10:35,844 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 612 places, 3904 transitions, 266552 flow [2021-12-07 01:10:35,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:10:35,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-07 01:10:35,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2394 transitions. [2021-12-07 01:10:35,846 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5761732851985559 [2021-12-07 01:10:35,846 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2394 transitions. [2021-12-07 01:10:35,846 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2394 transitions. [2021-12-07 01:10:35,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:10:35,846 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2394 transitions. [2021-12-07 01:10:35,848 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 159.6) internal successors, (2394), 15 states have internal predecessors, (2394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:10:35,849 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:10:35,849 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:10:35,850 INFO L186 Difference]: Start difference. First operand has 598 places, 3791 transitions, 256242 flow. Second operand 15 states and 2394 transitions. [2021-12-07 01:10:35,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 612 places, 3904 transitions, 266552 flow [2021-12-07 01:11:02,633 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 603 places, 3904 transitions, 264769 flow, removed 44 selfloop flow, removed 9 redundant places. [2021-12-07 01:11:02,812 INFO L242 Difference]: Finished difference. Result has 607 places, 3816 transitions, 260757 flow [2021-12-07 01:11:02,814 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=254511, PETRI_DIFFERENCE_MINUEND_PLACES=589, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3791, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1946, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1838, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=260757, PETRI_PLACES=607, PETRI_TRANSITIONS=3816} [2021-12-07 01:11:02,814 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 334 predicate places. [2021-12-07 01:11:02,814 INFO L470 AbstractCegarLoop]: Abstraction has has 607 places, 3816 transitions, 260757 flow [2021-12-07 01:11:02,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.57142857142858) internal successors, (2136), 14 states have internal predecessors, (2136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:11:02,815 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:11:02,815 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:11:02,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-12-07 01:11:02,815 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:11:02,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:11:02,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1099151361, now seen corresponding path program 4 times [2021-12-07 01:11:02,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:11:02,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643822310] [2021-12-07 01:11:02,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:11:02,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:11:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:11:03,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:11:03,863 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:11:03,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643822310] [2021-12-07 01:11:03,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643822310] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:11:03,863 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:11:03,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:11:03,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884212424] [2021-12-07 01:11:03,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:11:03,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:11:03,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:11:03,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:11:03,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:11:03,865 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:11:03,866 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 607 places, 3816 transitions, 260757 flow. Second operand has 14 states, 14 states have (on average 152.57142857142858) internal successors, (2136), 14 states have internal predecessors, (2136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:11:03,866 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:11:03,866 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:11:03,866 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:11:27,008 INFO L129 PetriNetUnfolder]: 6782/12866 cut-off events. [2021-12-07 01:11:27,008 INFO L130 PetriNetUnfolder]: For 2554345/2555232 co-relation queries the response was YES. [2021-12-07 01:11:27,219 INFO L84 FinitePrefix]: Finished finitePrefix Result has 279749 conditions, 12866 events. 6782/12866 cut-off events. For 2554345/2555232 co-relation queries the response was YES. Maximal size of possible extension queue 847. Compared 106604 event pairs, 603 based on Foata normal form. 439/13103 useless extension candidates. Maximal degree in co-relation 279579. Up to 6646 conditions per place. [2021-12-07 01:11:27,343 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 1862 selfloop transitions, 1952 changer transitions 1/3925 dead transitions. [2021-12-07 01:11:27,343 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 621 places, 3925 transitions, 271063 flow [2021-12-07 01:11:27,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:11:27,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-07 01:11:27,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2396 transitions. [2021-12-07 01:11:27,345 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5766546329723226 [2021-12-07 01:11:27,345 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2396 transitions. [2021-12-07 01:11:27,345 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2396 transitions. [2021-12-07 01:11:27,345 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:11:27,345 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2396 transitions. [2021-12-07 01:11:27,347 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 159.73333333333332) internal successors, (2396), 15 states have internal predecessors, (2396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:11:27,348 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:11:27,349 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:11:27,349 INFO L186 Difference]: Start difference. First operand has 607 places, 3816 transitions, 260757 flow. Second operand 15 states and 2396 transitions. [2021-12-07 01:11:27,349 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 621 places, 3925 transitions, 271063 flow [2021-12-07 01:11:56,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 609 places, 3925 transitions, 268324 flow, removed 34 selfloop flow, removed 12 redundant places. [2021-12-07 01:11:56,394 INFO L242 Difference]: Finished difference. Result has 612 places, 3835 transitions, 263944 flow [2021-12-07 01:11:56,395 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=258036, PETRI_DIFFERENCE_MINUEND_PLACES=595, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3816, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1936, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1875, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=263944, PETRI_PLACES=612, PETRI_TRANSITIONS=3835} [2021-12-07 01:11:56,396 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 339 predicate places. [2021-12-07 01:11:56,396 INFO L470 AbstractCegarLoop]: Abstraction has has 612 places, 3835 transitions, 263944 flow [2021-12-07 01:11:56,396 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.57142857142858) internal successors, (2136), 14 states have internal predecessors, (2136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:11:56,396 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:11:56,396 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:11:56,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-12-07 01:11:56,396 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:11:56,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:11:56,397 INFO L85 PathProgramCache]: Analyzing trace with hash -683497803, now seen corresponding path program 5 times [2021-12-07 01:11:56,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:11:56,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839980683] [2021-12-07 01:11:56,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:11:56,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:11:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:11:57,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:11:57,549 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:11:57,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839980683] [2021-12-07 01:11:57,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839980683] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:11:57,549 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:11:57,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:11:57,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083382670] [2021-12-07 01:11:57,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:11:57,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:11:57,550 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:11:57,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:11:57,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:11:57,551 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:11:57,552 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 612 places, 3835 transitions, 263944 flow. Second operand has 14 states, 14 states have (on average 152.57142857142858) internal successors, (2136), 14 states have internal predecessors, (2136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:11:57,552 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:11:57,552 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:11:57,552 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:12:20,194 INFO L129 PetriNetUnfolder]: 6805/12964 cut-off events. [2021-12-07 01:12:20,194 INFO L130 PetriNetUnfolder]: For 2559103/2559940 co-relation queries the response was YES. [2021-12-07 01:12:20,386 INFO L84 FinitePrefix]: Finished finitePrefix Result has 281690 conditions, 12964 events. 6805/12964 cut-off events. For 2559103/2559940 co-relation queries the response was YES. Maximal size of possible extension queue 859. Compared 107875 event pairs, 612 based on Foata normal form. 427/13188 useless extension candidates. Maximal degree in co-relation 281520. Up to 6644 conditions per place. [2021-12-07 01:12:20,510 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 2082 selfloop transitions, 1726 changer transitions 0/3918 dead transitions. [2021-12-07 01:12:20,510 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 626 places, 3918 transitions, 273016 flow [2021-12-07 01:12:20,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:12:20,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-07 01:12:20,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2387 transitions. [2021-12-07 01:12:20,513 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5744885679903731 [2021-12-07 01:12:20,513 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2387 transitions. [2021-12-07 01:12:20,513 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2387 transitions. [2021-12-07 01:12:20,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:12:20,513 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2387 transitions. [2021-12-07 01:12:20,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 159.13333333333333) internal successors, (2387), 15 states have internal predecessors, (2387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:12:20,516 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:12:20,516 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:12:20,516 INFO L186 Difference]: Start difference. First operand has 612 places, 3835 transitions, 263944 flow. Second operand 15 states and 2387 transitions. [2021-12-07 01:12:20,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 626 places, 3918 transitions, 273016 flow [2021-12-07 01:12:50,054 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 616 places, 3918 transitions, 270041 flow, removed 26 selfloop flow, removed 10 redundant places. [2021-12-07 01:12:50,246 INFO L242 Difference]: Finished difference. Result has 617 places, 3837 transitions, 264767 flow [2021-12-07 01:12:50,248 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=260983, PETRI_DIFFERENCE_MINUEND_PLACES=602, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3835, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1724, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=264767, PETRI_PLACES=617, PETRI_TRANSITIONS=3837} [2021-12-07 01:12:50,248 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 344 predicate places. [2021-12-07 01:12:50,248 INFO L470 AbstractCegarLoop]: Abstraction has has 617 places, 3837 transitions, 264767 flow [2021-12-07 01:12:50,248 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.57142857142858) internal successors, (2136), 14 states have internal predecessors, (2136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:12:50,248 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:12:50,248 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:12:50,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-12-07 01:12:50,249 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:12:50,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:12:50,249 INFO L85 PathProgramCache]: Analyzing trace with hash 810962963, now seen corresponding path program 6 times [2021-12-07 01:12:50,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:12:50,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902757203] [2021-12-07 01:12:50,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:12:50,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:12:50,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:12:50,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:12:50,948 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:12:50,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902757203] [2021-12-07 01:12:50,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902757203] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:12:50,948 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:12:50,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:12:50,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635129514] [2021-12-07 01:12:50,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:12:50,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:12:50,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:12:50,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:12:50,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:12:50,951 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:12:50,951 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 617 places, 3837 transitions, 264767 flow. Second operand has 14 states, 14 states have (on average 152.57142857142858) internal successors, (2136), 14 states have internal predecessors, (2136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:12:50,952 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:12:50,952 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:12:50,952 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:13:13,779 INFO L129 PetriNetUnfolder]: 6907/13354 cut-off events. [2021-12-07 01:13:13,779 INFO L130 PetriNetUnfolder]: For 2635207/2636061 co-relation queries the response was YES. [2021-12-07 01:13:13,980 INFO L84 FinitePrefix]: Finished finitePrefix Result has 285847 conditions, 13354 events. 6907/13354 cut-off events. For 2635207/2636061 co-relation queries the response was YES. Maximal size of possible extension queue 864. Compared 113159 event pairs, 640 based on Foata normal form. 439/13571 useless extension candidates. Maximal degree in co-relation 285676. Up to 7221 conditions per place. [2021-12-07 01:13:14,107 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 1811 selfloop transitions, 2019 changer transitions 0/3940 dead transitions. [2021-12-07 01:13:14,108 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 631 places, 3940 transitions, 274782 flow [2021-12-07 01:13:14,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 01:13:14,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-07 01:13:14,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2393 transitions. [2021-12-07 01:13:14,110 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5759326113116727 [2021-12-07 01:13:14,110 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2393 transitions. [2021-12-07 01:13:14,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2393 transitions. [2021-12-07 01:13:14,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:13:14,110 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2393 transitions. [2021-12-07 01:13:14,111 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 159.53333333333333) internal successors, (2393), 15 states have internal predecessors, (2393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:13:14,113 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:13:14,113 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 277.0) internal successors, (4432), 16 states have internal predecessors, (4432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:13:14,113 INFO L186 Difference]: Start difference. First operand has 617 places, 3837 transitions, 264767 flow. Second operand 15 states and 2393 transitions. [2021-12-07 01:13:14,113 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 631 places, 3940 transitions, 274782 flow [2021-12-07 01:13:44,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 618 places, 3940 transitions, 270857 flow, removed 12 selfloop flow, removed 13 redundant places. [2021-12-07 01:13:44,186 INFO L242 Difference]: Finished difference. Result has 621 places, 3856 transitions, 266739 flow [2021-12-07 01:13:44,187 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=260882, PETRI_DIFFERENCE_MINUEND_PLACES=604, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3837, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2002, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1826, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=266739, PETRI_PLACES=621, PETRI_TRANSITIONS=3856} [2021-12-07 01:13:44,188 INFO L334 CegarLoopForPetriNet]: 273 programPoint places, 348 predicate places. [2021-12-07 01:13:44,188 INFO L470 AbstractCegarLoop]: Abstraction has has 621 places, 3856 transitions, 266739 flow [2021-12-07 01:13:44,188 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 152.57142857142858) internal successors, (2136), 14 states have internal predecessors, (2136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:13:44,188 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:13:44,188 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:13:44,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-12-07 01:13:44,188 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-12-07 01:13:44,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:13:44,189 INFO L85 PathProgramCache]: Analyzing trace with hash 811209217, now seen corresponding path program 7 times [2021-12-07 01:13:44,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:13:44,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130252935] [2021-12-07 01:13:44,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:13:44,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:13:44,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:13:44,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:13:44,830 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:13:44,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130252935] [2021-12-07 01:13:44,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130252935] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:13:44,830 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:13:44,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 01:13:44,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387144226] [2021-12-07 01:13:44,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:13:44,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:13:44,830 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:13:44,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:13:44,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:13:44,832 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 277 [2021-12-07 01:13:44,833 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 621 places, 3856 transitions, 266739 flow. Second operand has 14 states, 14 states have (on average 152.57142857142858) internal successors, (2136), 14 states have internal predecessors, (2136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:13:44,833 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:13:44,833 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 277 [2021-12-07 01:13:44,833 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:14:09,567 INFO L129 PetriNetUnfolder]: 7117/13903 cut-off events. [2021-12-07 01:14:09,567 INFO L130 PetriNetUnfolder]: For 2776840/2778082 co-relation queries the response was YES. [2021-12-07 01:14:09,818 INFO L84 FinitePrefix]: Finished finitePrefix Result has 297232 conditions, 13903 events. 7117/13903 cut-off events. For 2776840/2778082 co-relation queries the response was YES. Maximal size of possible extension queue 894. Compared 119503 event pairs, 611 based on Foata normal form. 438/14102 useless extension candidates. Maximal degree in co-relation 297060. Up to 7880 conditions per place. [2021-12-07 01:14:09,953 INFO L132 encePairwiseOnDemand]: 260/277 looper letters, 1937 selfloop transitions, 2002 changer transitions 0/4049 dead transitions. [2021-12-07 01:14:09,953 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 634 places, 4049 transitions, 286837 flow [2021-12-07 01:14:09,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-07 01:14:09,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-12-07 01:14:09,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2226 transitions. [2021-12-07 01:14:09,955 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5740072202166066 [2021-12-07 01:14:09,955 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2226 transitions. [2021-12-07 01:14:09,955 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2226 transitions. [2021-12-07 01:14:09,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:14:09,955 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2226 transitions. [2021-12-07 01:14:09,957 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 159.0) internal successors, (2226), 14 states have internal predecessors, (2226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:14:09,958 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 277.0) internal successors, (4155), 15 states have internal predecessors, (4155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:14:09,958 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 277.0) internal successors, (4155), 15 states have internal predecessors, (4155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:14:09,958 INFO L186 Difference]: Start difference. First operand has 621 places, 3856 transitions, 266739 flow. Second operand 14 states and 2226 transitions. [2021-12-07 01:14:09,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 634 places, 4049 transitions, 286837 flow