./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26a77f5-f083-4e88-878c-8beb7ddb1f22/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26a77f5-f083-4e88-878c-8beb7ddb1f22/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26a77f5-f083-4e88-878c-8beb7ddb1f22/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26a77f5-f083-4e88-878c-8beb7ddb1f22/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26a77f5-f083-4e88-878c-8beb7ddb1f22/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26a77f5-f083-4e88-878c-8beb7ddb1f22/bin/uautomizer-vX5HgA9Q3a --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 8fcb457b1bed8494a9a3b58e82500f367f4337ac38b5a41a5dad0da896f97e40 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 09:04:01,406 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 09:04:01,409 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 09:04:01,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 09:04:01,447 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 09:04:01,451 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 09:04:01,454 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 09:04:01,457 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 09:04:01,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 09:04:01,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 09:04:01,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 09:04:01,470 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 09:04:01,471 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 09:04:01,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 09:04:01,477 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 09:04:01,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 09:04:01,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 09:04:01,482 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 09:04:01,483 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 09:04:01,490 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 09:04:01,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 09:04:01,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 09:04:01,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 09:04:01,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 09:04:01,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 09:04:01,512 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 09:04:01,512 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 09:04:01,513 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 09:04:01,515 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 09:04:01,516 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 09:04:01,516 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 09:04:01,517 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 09:04:01,519 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 09:04:01,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 09:04:01,524 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 09:04:01,524 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 09:04:01,525 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 09:04:01,525 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 09:04:01,526 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 09:04:01,527 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 09:04:01,528 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 09:04:01,529 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26a77f5-f083-4e88-878c-8beb7ddb1f22/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-21 09:04:01,578 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 09:04:01,581 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 09:04:01,581 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 09:04:01,582 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 09:04:01,583 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 09:04:01,583 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 09:04:01,584 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 09:04:01,584 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 09:04:01,584 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 09:04:01,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 09:04:01,586 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 09:04:01,587 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 09:04:01,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 09:04:01,587 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 09:04:01,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 09:04:01,588 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 09:04:01,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 09:04:01,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 09:04:01,588 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-21 09:04:01,589 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 09:04:01,589 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 09:04:01,589 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 09:04:01,589 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 09:04:01,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 09:04:01,590 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 09:04:01,590 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 09:04:01,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:04:01,591 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 09:04:01,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 09:04:01,592 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 09:04:01,592 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 09:04:01,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 09:04:01,593 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 09:04:01,593 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 09:04:01,593 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 09:04:01,594 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_a26a77f5-f083-4e88-878c-8beb7ddb1f22/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26a77f5-f083-4e88-878c-8beb7ddb1f22/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8fcb457b1bed8494a9a3b58e82500f367f4337ac38b5a41a5dad0da896f97e40 [2022-11-21 09:04:01,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 09:04:02,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 09:04:02,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 09:04:02,029 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 09:04:02,030 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 09:04:02,031 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26a77f5-f083-4e88-878c-8beb7ddb1f22/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i [2022-11-21 09:04:05,404 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 09:04:05,724 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 09:04:05,729 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26a77f5-f083-4e88-878c-8beb7ddb1f22/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i [2022-11-21 09:04:05,753 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26a77f5-f083-4e88-878c-8beb7ddb1f22/bin/uautomizer-vX5HgA9Q3a/data/161415b3d/12cb28e203f5436eb6825bda82baa571/FLAG80c3955bb [2022-11-21 09:04:05,793 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26a77f5-f083-4e88-878c-8beb7ddb1f22/bin/uautomizer-vX5HgA9Q3a/data/161415b3d/12cb28e203f5436eb6825bda82baa571 [2022-11-21 09:04:05,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 09:04:05,820 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 09:04:05,821 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 09:04:05,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 09:04:05,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 09:04:05,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:04:05" (1/1) ... [2022-11-21 09:04:05,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d88e4b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:05, skipping insertion in model container [2022-11-21 09:04:05,830 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:04:05" (1/1) ... [2022-11-21 09:04:05,838 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 09:04:05,877 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 09:04:06,305 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26a77f5-f083-4e88-878c-8beb7ddb1f22/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30451,30464] [2022-11-21 09:04:06,317 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26a77f5-f083-4e88-878c-8beb7ddb1f22/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30681,30694] [2022-11-21 09:04:06,326 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26a77f5-f083-4e88-878c-8beb7ddb1f22/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30979,30992] [2022-11-21 09:04:06,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:04:06,359 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 09:04:06,449 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26a77f5-f083-4e88-878c-8beb7ddb1f22/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30451,30464] [2022-11-21 09:04:06,451 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26a77f5-f083-4e88-878c-8beb7ddb1f22/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30681,30694] [2022-11-21 09:04:06,455 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26a77f5-f083-4e88-878c-8beb7ddb1f22/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30979,30992] [2022-11-21 09:04:06,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:04:06,536 INFO L208 MainTranslator]: Completed translation [2022-11-21 09:04:06,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:06 WrapperNode [2022-11-21 09:04:06,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 09:04:06,539 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 09:04:06,539 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 09:04:06,540 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 09:04:06,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:06" (1/1) ... [2022-11-21 09:04:06,571 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:06" (1/1) ... [2022-11-21 09:04:06,626 INFO L138 Inliner]: procedures = 168, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 250 [2022-11-21 09:04:06,626 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 09:04:06,627 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 09:04:06,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 09:04:06,627 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 09:04:06,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:06" (1/1) ... [2022-11-21 09:04:06,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:06" (1/1) ... [2022-11-21 09:04:06,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:06" (1/1) ... [2022-11-21 09:04:06,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:06" (1/1) ... [2022-11-21 09:04:06,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:06" (1/1) ... [2022-11-21 09:04:06,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:06" (1/1) ... [2022-11-21 09:04:06,689 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:06" (1/1) ... [2022-11-21 09:04:06,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:06" (1/1) ... [2022-11-21 09:04:06,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 09:04:06,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 09:04:06,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 09:04:06,697 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 09:04:06,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:06" (1/1) ... [2022-11-21 09:04:06,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:04:06,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26a77f5-f083-4e88-878c-8beb7ddb1f22/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:04:06,740 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26a77f5-f083-4e88-878c-8beb7ddb1f22/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 09:04:06,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26a77f5-f083-4e88-878c-8beb7ddb1f22/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 09:04:06,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 09:04:06,806 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-21 09:04:06,806 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-21 09:04:06,807 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-21 09:04:06,807 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-21 09:04:06,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 09:04:06,807 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-21 09:04:06,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 09:04:06,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 09:04:06,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 09:04:06,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 09:04:06,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 09:04:06,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 09:04:06,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 09:04:06,812 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 09:04:07,072 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 09:04:07,074 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 09:04:07,721 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 09:04:07,733 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 09:04:07,733 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 09:04:07,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:04:07 BoogieIcfgContainer [2022-11-21 09:04:07,736 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 09:04:07,739 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 09:04:07,739 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 09:04:07,743 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 09:04:07,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:04:05" (1/3) ... [2022-11-21 09:04:07,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37934b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:04:07, skipping insertion in model container [2022-11-21 09:04:07,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:04:06" (2/3) ... [2022-11-21 09:04:07,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37934b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:04:07, skipping insertion in model container [2022-11-21 09:04:07,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:04:07" (3/3) ... [2022-11-21 09:04:07,747 INFO L112 eAbstractionObserver]: Analyzing ICFG circular_buffer_ok.i [2022-11-21 09:04:07,757 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-21 09:04:07,769 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 09:04:07,769 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2022-11-21 09:04:07,769 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 09:04:07,943 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-21 09:04:08,000 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 292 places, 298 transitions, 612 flow [2022-11-21 09:04:08,173 INFO L130 PetriNetUnfolder]: 13/296 cut-off events. [2022-11-21 09:04:08,173 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-21 09:04:08,183 INFO L83 FinitePrefix]: Finished finitePrefix Result has 305 conditions, 296 events. 13/296 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 785 event pairs, 0 based on Foata normal form. 0/250 useless extension candidates. Maximal degree in co-relation 204. Up to 2 conditions per place. [2022-11-21 09:04:08,183 INFO L82 GeneralOperation]: Start removeDead. Operand has 292 places, 298 transitions, 612 flow [2022-11-21 09:04:08,217 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 280 places, 286 transitions, 581 flow [2022-11-21 09:04:08,238 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 09:04:08,249 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7af45a78, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 09:04:08,251 INFO L358 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2022-11-21 09:04:08,261 INFO L130 PetriNetUnfolder]: 0/42 cut-off events. [2022-11-21 09:04:08,261 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 09:04:08,261 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:04:08,262 INFO L209 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] [2022-11-21 09:04:08,262 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-21 09:04:08,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:04:08,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1867308915, now seen corresponding path program 1 times [2022-11-21 09:04:08,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:04:08,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234482218] [2022-11-21 09:04:08,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:04:08,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:04:08,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:08,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:04:08,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:04:08,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234482218] [2022-11-21 09:04:08,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234482218] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:04:08,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:04:08,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:04:08,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393667692] [2022-11-21 09:04:08,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:04:08,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:04:08,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:04:08,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:04:08,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:04:08,716 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 298 [2022-11-21 09:04:08,720 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 286 transitions, 581 flow. Second operand has 3 states, 3 states have (on average 266.3333333333333) internal successors, (799), 3 states have internal predecessors, (799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:08,721 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:04:08,721 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 298 [2022-11-21 09:04:08,722 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:04:09,207 INFO L130 PetriNetUnfolder]: 116/1305 cut-off events. [2022-11-21 09:04:09,208 INFO L131 PetriNetUnfolder]: For 44/44 co-relation queries the response was YES. [2022-11-21 09:04:09,219 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1496 conditions, 1305 events. 116/1305 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 8025 event pairs, 51 based on Foata normal form. 47/1081 useless extension candidates. Maximal degree in co-relation 1279. Up to 148 conditions per place. [2022-11-21 09:04:09,228 INFO L137 encePairwiseOnDemand]: 290/298 looper letters, 21 selfloop transitions, 2 changer transitions 0/277 dead transitions. [2022-11-21 09:04:09,228 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 277 transitions, 609 flow [2022-11-21 09:04:09,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:04:09,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:04:09,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 824 transitions. [2022-11-21 09:04:09,252 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9217002237136466 [2022-11-21 09:04:09,253 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 824 transitions. [2022-11-21 09:04:09,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 824 transitions. [2022-11-21 09:04:09,258 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:04:09,261 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 824 transitions. [2022-11-21 09:04:09,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 274.6666666666667) internal successors, (824), 3 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:09,278 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:09,279 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:09,281 INFO L175 Difference]: Start difference. First operand has 280 places, 286 transitions, 581 flow. Second operand 3 states and 824 transitions. [2022-11-21 09:04:09,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 277 transitions, 609 flow [2022-11-21 09:04:09,289 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 277 transitions, 604 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-11-21 09:04:09,296 INFO L231 Difference]: Finished difference. Result has 275 places, 277 transitions, 562 flow [2022-11-21 09:04:09,298 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=558, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=562, PETRI_PLACES=275, PETRI_TRANSITIONS=277} [2022-11-21 09:04:09,304 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, -5 predicate places. [2022-11-21 09:04:09,304 INFO L495 AbstractCegarLoop]: Abstraction has has 275 places, 277 transitions, 562 flow [2022-11-21 09:04:09,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 266.3333333333333) internal successors, (799), 3 states have internal predecessors, (799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:09,305 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:04:09,306 INFO L209 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] [2022-11-21 09:04:09,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 09:04:09,307 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-21 09:04:09,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:04:09,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1878517742, now seen corresponding path program 1 times [2022-11-21 09:04:09,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:04:09,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738742026] [2022-11-21 09:04:09,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:04:09,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:04:09,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:09,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:04:09,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:04:09,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738742026] [2022-11-21 09:04:09,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738742026] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:04:09,420 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:04:09,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:04:09,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006610400] [2022-11-21 09:04:09,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:04:09,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:04:09,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:04:09,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:04:09,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:04:09,425 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 259 out of 298 [2022-11-21 09:04:09,426 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 277 transitions, 562 flow. Second operand has 3 states, 3 states have (on average 260.3333333333333) internal successors, (781), 3 states have internal predecessors, (781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:09,426 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:04:09,426 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 259 of 298 [2022-11-21 09:04:09,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:04:09,758 INFO L130 PetriNetUnfolder]: 122/1106 cut-off events. [2022-11-21 09:04:09,758 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-11-21 09:04:09,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1326 conditions, 1106 events. 122/1106 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 6650 event pairs, 63 based on Foata normal form. 0/876 useless extension candidates. Maximal degree in co-relation 1276. Up to 181 conditions per place. [2022-11-21 09:04:09,771 INFO L137 encePairwiseOnDemand]: 295/298 looper letters, 27 selfloop transitions, 2 changer transitions 0/276 dead transitions. [2022-11-21 09:04:09,771 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 276 transitions, 618 flow [2022-11-21 09:04:09,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:04:09,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:04:09,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 807 transitions. [2022-11-21 09:04:09,775 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9026845637583892 [2022-11-21 09:04:09,775 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 807 transitions. [2022-11-21 09:04:09,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 807 transitions. [2022-11-21 09:04:09,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:04:09,776 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 807 transitions. [2022-11-21 09:04:09,778 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 269.0) internal successors, (807), 3 states have internal predecessors, (807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:09,780 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:09,781 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:09,781 INFO L175 Difference]: Start difference. First operand has 275 places, 277 transitions, 562 flow. Second operand 3 states and 807 transitions. [2022-11-21 09:04:09,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 276 transitions, 618 flow [2022-11-21 09:04:09,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 276 transitions, 614 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:04:09,791 INFO L231 Difference]: Finished difference. Result has 274 places, 276 transitions, 560 flow [2022-11-21 09:04:09,792 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=556, PETRI_DIFFERENCE_MINUEND_PLACES=272, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=560, PETRI_PLACES=274, PETRI_TRANSITIONS=276} [2022-11-21 09:04:09,794 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, -6 predicate places. [2022-11-21 09:04:09,794 INFO L495 AbstractCegarLoop]: Abstraction has has 274 places, 276 transitions, 560 flow [2022-11-21 09:04:09,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 260.3333333333333) internal successors, (781), 3 states have internal predecessors, (781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:09,795 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:04:09,795 INFO L209 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] [2022-11-21 09:04:09,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 09:04:09,796 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-21 09:04:09,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:04:09,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1369265947, now seen corresponding path program 1 times [2022-11-21 09:04:09,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:04:09,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883503944] [2022-11-21 09:04:09,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:04:09,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:04:09,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:09,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:04:09,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:04:09,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883503944] [2022-11-21 09:04:09,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883503944] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:04:09,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:04:09,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:04:09,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593453353] [2022-11-21 09:04:09,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:04:09,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:04:09,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:04:09,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:04:09,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:04:09,923 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 262 out of 298 [2022-11-21 09:04:09,925 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 276 transitions, 560 flow. Second operand has 3 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:09,925 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:04:09,925 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 262 of 298 [2022-11-21 09:04:09,925 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:04:10,236 INFO L130 PetriNetUnfolder]: 103/1235 cut-off events. [2022-11-21 09:04:10,236 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-11-21 09:04:10,242 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1401 conditions, 1235 events. 103/1235 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 7234 event pairs, 28 based on Foata normal form. 0/1012 useless extension candidates. Maximal degree in co-relation 1344. Up to 113 conditions per place. [2022-11-21 09:04:10,251 INFO L137 encePairwiseOnDemand]: 287/298 looper letters, 22 selfloop transitions, 5 changer transitions 0/277 dead transitions. [2022-11-21 09:04:10,251 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 277 transitions, 618 flow [2022-11-21 09:04:10,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:04:10,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:04:10,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 819 transitions. [2022-11-21 09:04:10,255 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9161073825503355 [2022-11-21 09:04:10,255 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 819 transitions. [2022-11-21 09:04:10,256 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 819 transitions. [2022-11-21 09:04:10,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:04:10,257 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 819 transitions. [2022-11-21 09:04:10,259 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 273.0) internal successors, (819), 3 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:10,261 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:10,262 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:10,262 INFO L175 Difference]: Start difference. First operand has 274 places, 276 transitions, 560 flow. Second operand 3 states and 819 transitions. [2022-11-21 09:04:10,262 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 277 transitions, 618 flow [2022-11-21 09:04:10,264 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 277 transitions, 614 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:04:10,267 INFO L231 Difference]: Finished difference. Result has 271 places, 274 transitions, 580 flow [2022-11-21 09:04:10,268 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=546, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=580, PETRI_PLACES=271, PETRI_TRANSITIONS=274} [2022-11-21 09:04:10,271 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, -9 predicate places. [2022-11-21 09:04:10,271 INFO L495 AbstractCegarLoop]: Abstraction has has 271 places, 274 transitions, 580 flow [2022-11-21 09:04:10,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:10,272 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:04:10,272 INFO L209 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] [2022-11-21 09:04:10,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 09:04:10,272 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-21 09:04:10,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:04:10,273 INFO L85 PathProgramCache]: Analyzing trace with hash -94657469, now seen corresponding path program 1 times [2022-11-21 09:04:10,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:04:10,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296332618] [2022-11-21 09:04:10,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:04:10,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:04:10,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:10,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:04:10,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:04:10,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296332618] [2022-11-21 09:04:10,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296332618] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:04:10,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:04:10,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:04:10,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095689402] [2022-11-21 09:04:10,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:04:10,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:04:10,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:04:10,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:04:10,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:04:10,393 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 298 [2022-11-21 09:04:10,395 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 274 transitions, 580 flow. Second operand has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:10,395 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:04:10,395 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 298 [2022-11-21 09:04:10,395 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:04:10,551 INFO L130 PetriNetUnfolder]: 42/641 cut-off events. [2022-11-21 09:04:10,551 INFO L131 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2022-11-21 09:04:10,555 INFO L83 FinitePrefix]: Finished finitePrefix Result has 753 conditions, 641 events. 42/641 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2536 event pairs, 14 based on Foata normal form. 0/536 useless extension candidates. Maximal degree in co-relation 658. Up to 70 conditions per place. [2022-11-21 09:04:10,559 INFO L137 encePairwiseOnDemand]: 295/298 looper letters, 18 selfloop transitions, 2 changer transitions 0/273 dead transitions. [2022-11-21 09:04:10,559 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 273 transitions, 618 flow [2022-11-21 09:04:10,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:04:10,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:04:10,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 825 transitions. [2022-11-21 09:04:10,562 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9228187919463087 [2022-11-21 09:04:10,562 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 825 transitions. [2022-11-21 09:04:10,562 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 825 transitions. [2022-11-21 09:04:10,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:04:10,563 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 825 transitions. [2022-11-21 09:04:10,565 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 275.0) internal successors, (825), 3 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:10,567 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:10,568 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:10,569 INFO L175 Difference]: Start difference. First operand has 271 places, 274 transitions, 580 flow. Second operand 3 states and 825 transitions. [2022-11-21 09:04:10,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 273 transitions, 618 flow [2022-11-21 09:04:10,572 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 273 transitions, 608 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:04:10,575 INFO L231 Difference]: Finished difference. Result has 270 places, 273 transitions, 572 flow [2022-11-21 09:04:10,576 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=568, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=572, PETRI_PLACES=270, PETRI_TRANSITIONS=273} [2022-11-21 09:04:10,577 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, -10 predicate places. [2022-11-21 09:04:10,577 INFO L495 AbstractCegarLoop]: Abstraction has has 270 places, 273 transitions, 572 flow [2022-11-21 09:04:10,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:10,578 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:04:10,578 INFO L209 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] [2022-11-21 09:04:10,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 09:04:10,579 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-21 09:04:10,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:04:10,579 INFO L85 PathProgramCache]: Analyzing trace with hash -209836349, now seen corresponding path program 1 times [2022-11-21 09:04:10,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:04:10,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145623688] [2022-11-21 09:04:10,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:04:10,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:04:10,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:10,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:04:10,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:04:10,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145623688] [2022-11-21 09:04:10,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145623688] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:04:10,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:04:10,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:04:10,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148512735] [2022-11-21 09:04:10,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:04:10,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:04:10,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:04:10,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:04:10,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:04:10,635 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 271 out of 298 [2022-11-21 09:04:10,637 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 273 transitions, 572 flow. Second operand has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:10,637 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:04:10,637 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 271 of 298 [2022-11-21 09:04:10,637 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:04:10,904 INFO L130 PetriNetUnfolder]: 97/1287 cut-off events. [2022-11-21 09:04:10,904 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-11-21 09:04:10,912 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1446 conditions, 1287 events. 97/1287 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 7304 event pairs, 30 based on Foata normal form. 0/1047 useless extension candidates. Maximal degree in co-relation 1382. Up to 95 conditions per place. [2022-11-21 09:04:10,919 INFO L137 encePairwiseOnDemand]: 295/298 looper letters, 15 selfloop transitions, 2 changer transitions 0/272 dead transitions. [2022-11-21 09:04:10,919 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 272 transitions, 604 flow [2022-11-21 09:04:10,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:04:10,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:04:10,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 831 transitions. [2022-11-21 09:04:10,922 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9295302013422819 [2022-11-21 09:04:10,922 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 831 transitions. [2022-11-21 09:04:10,923 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 831 transitions. [2022-11-21 09:04:10,923 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:04:10,924 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 831 transitions. [2022-11-21 09:04:10,926 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 277.0) internal successors, (831), 3 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:10,928 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:10,929 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:10,929 INFO L175 Difference]: Start difference. First operand has 270 places, 273 transitions, 572 flow. Second operand 3 states and 831 transitions. [2022-11-21 09:04:10,930 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 272 transitions, 604 flow [2022-11-21 09:04:10,932 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 272 transitions, 600 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:04:10,936 INFO L231 Difference]: Finished difference. Result has 269 places, 272 transitions, 570 flow [2022-11-21 09:04:10,936 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=566, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=570, PETRI_PLACES=269, PETRI_TRANSITIONS=272} [2022-11-21 09:04:10,937 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, -11 predicate places. [2022-11-21 09:04:10,937 INFO L495 AbstractCegarLoop]: Abstraction has has 269 places, 272 transitions, 570 flow [2022-11-21 09:04:10,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:10,938 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:04:10,939 INFO L209 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] [2022-11-21 09:04:10,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 09:04:10,939 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-21 09:04:10,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:04:10,940 INFO L85 PathProgramCache]: Analyzing trace with hash -784374040, now seen corresponding path program 1 times [2022-11-21 09:04:10,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:04:10,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042676489] [2022-11-21 09:04:10,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:04:10,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:04:10,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:10,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:04:10,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:04:10,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042676489] [2022-11-21 09:04:10,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042676489] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:04:10,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:04:10,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:04:10,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325629192] [2022-11-21 09:04:10,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:04:10,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:04:10,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:04:10,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:04:10,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:04:10,996 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 271 out of 298 [2022-11-21 09:04:10,997 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 272 transitions, 570 flow. Second operand has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:10,997 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:04:10,997 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 271 of 298 [2022-11-21 09:04:10,997 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:04:11,270 INFO L130 PetriNetUnfolder]: 98/1318 cut-off events. [2022-11-21 09:04:11,271 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2022-11-21 09:04:11,278 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1477 conditions, 1318 events. 98/1318 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 7738 event pairs, 29 based on Foata normal form. 0/1084 useless extension candidates. Maximal degree in co-relation 1407. Up to 101 conditions per place. [2022-11-21 09:04:11,284 INFO L137 encePairwiseOnDemand]: 295/298 looper letters, 15 selfloop transitions, 2 changer transitions 0/271 dead transitions. [2022-11-21 09:04:11,285 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 271 transitions, 602 flow [2022-11-21 09:04:11,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:04:11,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:04:11,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 831 transitions. [2022-11-21 09:04:11,288 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9295302013422819 [2022-11-21 09:04:11,288 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 831 transitions. [2022-11-21 09:04:11,288 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 831 transitions. [2022-11-21 09:04:11,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:04:11,289 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 831 transitions. [2022-11-21 09:04:11,292 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 277.0) internal successors, (831), 3 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:11,294 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:11,295 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:11,296 INFO L175 Difference]: Start difference. First operand has 269 places, 272 transitions, 570 flow. Second operand 3 states and 831 transitions. [2022-11-21 09:04:11,296 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 270 places, 271 transitions, 602 flow [2022-11-21 09:04:11,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 271 transitions, 598 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:04:11,302 INFO L231 Difference]: Finished difference. Result has 268 places, 271 transitions, 568 flow [2022-11-21 09:04:11,303 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=564, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=568, PETRI_PLACES=268, PETRI_TRANSITIONS=271} [2022-11-21 09:04:11,306 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, -12 predicate places. [2022-11-21 09:04:11,306 INFO L495 AbstractCegarLoop]: Abstraction has has 268 places, 271 transitions, 568 flow [2022-11-21 09:04:11,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:11,308 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:04:11,309 INFO L209 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] [2022-11-21 09:04:11,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 09:04:11,309 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-21 09:04:11,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:04:11,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1343965613, now seen corresponding path program 1 times [2022-11-21 09:04:11,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:04:11,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142870941] [2022-11-21 09:04:11,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:04:11,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:04:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:11,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:04:11,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:04:11,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142870941] [2022-11-21 09:04:11,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142870941] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:04:11,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:04:11,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:04:11,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912777433] [2022-11-21 09:04:11,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:04:11,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:04:11,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:04:11,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:04:11,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:04:11,441 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 274 out of 298 [2022-11-21 09:04:11,442 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 271 transitions, 568 flow. Second operand has 3 states, 3 states have (on average 275.6666666666667) internal successors, (827), 3 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:11,442 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:04:11,442 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 274 of 298 [2022-11-21 09:04:11,443 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:04:11,764 INFO L130 PetriNetUnfolder]: 119/1636 cut-off events. [2022-11-21 09:04:11,764 INFO L131 PetriNetUnfolder]: For 17/19 co-relation queries the response was YES. [2022-11-21 09:04:11,774 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1831 conditions, 1636 events. 119/1636 cut-off events. For 17/19 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 10903 event pairs, 22 based on Foata normal form. 1/1347 useless extension candidates. Maximal degree in co-relation 1755. Up to 83 conditions per place. [2022-11-21 09:04:11,782 INFO L137 encePairwiseOnDemand]: 293/298 looper letters, 18 selfloop transitions, 4 changer transitions 0/279 dead transitions. [2022-11-21 09:04:11,782 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 279 transitions, 631 flow [2022-11-21 09:04:11,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:04:11,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:04:11,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 845 transitions. [2022-11-21 09:04:11,786 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9451901565995525 [2022-11-21 09:04:11,786 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 845 transitions. [2022-11-21 09:04:11,787 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 845 transitions. [2022-11-21 09:04:11,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:04:11,787 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 845 transitions. [2022-11-21 09:04:11,789 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 281.6666666666667) internal successors, (845), 3 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:11,792 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:11,792 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:11,792 INFO L175 Difference]: Start difference. First operand has 268 places, 271 transitions, 568 flow. Second operand 3 states and 845 transitions. [2022-11-21 09:04:11,793 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 270 places, 279 transitions, 631 flow [2022-11-21 09:04:11,795 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 279 transitions, 627 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:04:11,799 INFO L231 Difference]: Finished difference. Result has 270 places, 275 transitions, 598 flow [2022-11-21 09:04:11,799 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=564, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=267, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=598, PETRI_PLACES=270, PETRI_TRANSITIONS=275} [2022-11-21 09:04:11,800 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, -10 predicate places. [2022-11-21 09:04:11,800 INFO L495 AbstractCegarLoop]: Abstraction has has 270 places, 275 transitions, 598 flow [2022-11-21 09:04:11,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 275.6666666666667) internal successors, (827), 3 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:11,801 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:04:11,801 INFO L209 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] [2022-11-21 09:04:11,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 09:04:11,802 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-21 09:04:11,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:04:11,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1907799492, now seen corresponding path program 1 times [2022-11-21 09:04:11,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:04:11,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445541407] [2022-11-21 09:04:11,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:04:11,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:04:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:12,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:04:12,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:04:12,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445541407] [2022-11-21 09:04:12,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445541407] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:04:12,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:04:12,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 09:04:12,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312977173] [2022-11-21 09:04:12,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:04:12,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 09:04:12,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:04:12,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 09:04:12,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 09:04:12,415 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 262 out of 298 [2022-11-21 09:04:12,418 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 275 transitions, 598 flow. Second operand has 6 states, 6 states have (on average 263.8333333333333) internal successors, (1583), 6 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:12,418 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:04:12,418 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 262 of 298 [2022-11-21 09:04:12,418 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:04:13,893 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][240], [225#L765-7true, Black: 303#true, 101#L699-4true, t2Thread1of1ForFork0InUse, Black: 323#(= |#race~send~0| 0), 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 321#true]) [2022-11-21 09:04:13,893 INFO L383 tUnfolder$Statistics]: this new event has 188 ancestors and is cut-off event [2022-11-21 09:04:13,894 INFO L386 tUnfolder$Statistics]: existing Event has 170 ancestors and is cut-off event [2022-11-21 09:04:13,894 INFO L386 tUnfolder$Statistics]: existing Event has 175 ancestors and is cut-off event [2022-11-21 09:04:13,894 INFO L386 tUnfolder$Statistics]: existing Event has 123 ancestors and is cut-off event [2022-11-21 09:04:13,915 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][240], [Black: 303#true, t2Thread1of1ForFork0InUse, 101#L699-4true, Black: 323#(= |#race~send~0| 0), 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 245#L766-6true, 321#true]) [2022-11-21 09:04:13,915 INFO L383 tUnfolder$Statistics]: this new event has 192 ancestors and is cut-off event [2022-11-21 09:04:13,915 INFO L386 tUnfolder$Statistics]: existing Event has 130 ancestors and is cut-off event [2022-11-21 09:04:13,916 INFO L386 tUnfolder$Statistics]: existing Event has 182 ancestors and is cut-off event [2022-11-21 09:04:13,916 INFO L386 tUnfolder$Statistics]: existing Event has 177 ancestors and is cut-off event [2022-11-21 09:04:13,916 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][240], [51#L766-5true, 101#L699-4true, Black: 303#true, t2Thread1of1ForFork0InUse, Black: 323#(= |#race~send~0| 0), 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 321#true]) [2022-11-21 09:04:13,917 INFO L383 tUnfolder$Statistics]: this new event has 191 ancestors and is cut-off event [2022-11-21 09:04:13,917 INFO L386 tUnfolder$Statistics]: existing Event has 129 ancestors and is cut-off event [2022-11-21 09:04:13,917 INFO L386 tUnfolder$Statistics]: existing Event has 176 ancestors and is cut-off event [2022-11-21 09:04:13,917 INFO L386 tUnfolder$Statistics]: existing Event has 181 ancestors and is cut-off event [2022-11-21 09:04:13,918 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][240], [101#L699-4true, Black: 303#true, t2Thread1of1ForFork0InUse, Black: 323#(= |#race~send~0| 0), 44#L766-3true, 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 321#true]) [2022-11-21 09:04:13,918 INFO L383 tUnfolder$Statistics]: this new event has 189 ancestors and is cut-off event [2022-11-21 09:04:13,918 INFO L386 tUnfolder$Statistics]: existing Event has 127 ancestors and is cut-off event [2022-11-21 09:04:13,918 INFO L386 tUnfolder$Statistics]: existing Event has 174 ancestors and is cut-off event [2022-11-21 09:04:13,919 INFO L386 tUnfolder$Statistics]: existing Event has 179 ancestors and is cut-off event [2022-11-21 09:04:13,919 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][240], [101#L699-4true, Black: 303#true, t2Thread1of1ForFork0InUse, 74#L766-2true, Black: 323#(= |#race~send~0| 0), 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 321#true]) [2022-11-21 09:04:13,919 INFO L383 tUnfolder$Statistics]: this new event has 188 ancestors and is cut-off event [2022-11-21 09:04:13,919 INFO L386 tUnfolder$Statistics]: existing Event has 126 ancestors and is cut-off event [2022-11-21 09:04:13,920 INFO L386 tUnfolder$Statistics]: existing Event has 178 ancestors and is cut-off event [2022-11-21 09:04:13,920 INFO L386 tUnfolder$Statistics]: existing Event has 173 ancestors and is cut-off event [2022-11-21 09:04:13,920 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][240], [225#L765-7true, Black: 303#true, 101#L699-4true, t2Thread1of1ForFork0InUse, Black: 323#(= |#race~send~0| 0), 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 321#true]) [2022-11-21 09:04:13,921 INFO L383 tUnfolder$Statistics]: this new event has 185 ancestors and is cut-off event [2022-11-21 09:04:13,921 INFO L386 tUnfolder$Statistics]: existing Event has 188 ancestors and is cut-off event [2022-11-21 09:04:13,921 INFO L386 tUnfolder$Statistics]: existing Event has 170 ancestors and is cut-off event [2022-11-21 09:04:13,921 INFO L386 tUnfolder$Statistics]: existing Event has 175 ancestors and is cut-off event [2022-11-21 09:04:13,921 INFO L386 tUnfolder$Statistics]: existing Event has 123 ancestors and is cut-off event [2022-11-21 09:04:13,922 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][240], [Black: 303#true, 101#L699-4true, t2Thread1of1ForFork0InUse, Black: 323#(= |#race~send~0| 0), 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 148#L766-4true, 321#true]) [2022-11-21 09:04:13,922 INFO L383 tUnfolder$Statistics]: this new event has 190 ancestors and is cut-off event [2022-11-21 09:04:13,922 INFO L386 tUnfolder$Statistics]: existing Event has 180 ancestors and is cut-off event [2022-11-21 09:04:13,922 INFO L386 tUnfolder$Statistics]: existing Event has 175 ancestors and is cut-off event [2022-11-21 09:04:13,923 INFO L386 tUnfolder$Statistics]: existing Event has 128 ancestors and is cut-off event [2022-11-21 09:04:13,923 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][240], [Black: 303#true, 101#L699-4true, t2Thread1of1ForFork0InUse, Black: 323#(= |#race~send~0| 0), 141#ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACEtrue, 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 321#true]) [2022-11-21 09:04:13,923 INFO L383 tUnfolder$Statistics]: this new event has 192 ancestors and is cut-off event [2022-11-21 09:04:13,923 INFO L386 tUnfolder$Statistics]: existing Event has 177 ancestors and is cut-off event [2022-11-21 09:04:13,924 INFO L386 tUnfolder$Statistics]: existing Event has 130 ancestors and is cut-off event [2022-11-21 09:04:13,924 INFO L386 tUnfolder$Statistics]: existing Event has 182 ancestors and is cut-off event [2022-11-21 09:04:14,050 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][240], [101#L699-4true, Black: 303#true, t2Thread1of1ForFork0InUse, 74#L766-2true, Black: 323#(= |#race~send~0| 0), 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 321#true]) [2022-11-21 09:04:14,063 INFO L383 tUnfolder$Statistics]: this new event has 191 ancestors and is cut-off event [2022-11-21 09:04:14,063 INFO L386 tUnfolder$Statistics]: existing Event has 188 ancestors and is cut-off event [2022-11-21 09:04:14,063 INFO L386 tUnfolder$Statistics]: existing Event has 126 ancestors and is cut-off event [2022-11-21 09:04:14,064 INFO L386 tUnfolder$Statistics]: existing Event has 178 ancestors and is cut-off event [2022-11-21 09:04:14,064 INFO L386 tUnfolder$Statistics]: existing Event has 173 ancestors and is cut-off event [2022-11-21 09:04:14,096 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][240], [101#L699-4true, Black: 303#true, t2Thread1of1ForFork0InUse, 44#L766-3true, Black: 323#(= |#race~send~0| 0), 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 321#true]) [2022-11-21 09:04:14,097 INFO L383 tUnfolder$Statistics]: this new event has 192 ancestors and is cut-off event [2022-11-21 09:04:14,097 INFO L386 tUnfolder$Statistics]: existing Event has 189 ancestors and is cut-off event [2022-11-21 09:04:14,097 INFO L386 tUnfolder$Statistics]: existing Event has 127 ancestors and is cut-off event [2022-11-21 09:04:14,097 INFO L386 tUnfolder$Statistics]: existing Event has 174 ancestors and is cut-off event [2022-11-21 09:04:14,098 INFO L386 tUnfolder$Statistics]: existing Event has 179 ancestors and is cut-off event [2022-11-21 09:04:14,125 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][240], [Black: 303#true, t2Thread1of1ForFork0InUse, 101#L699-4true, Black: 323#(= |#race~send~0| 0), 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 148#L766-4true, 321#true]) [2022-11-21 09:04:14,126 INFO L383 tUnfolder$Statistics]: this new event has 193 ancestors and is cut-off event [2022-11-21 09:04:14,126 INFO L386 tUnfolder$Statistics]: existing Event has 180 ancestors and is cut-off event [2022-11-21 09:04:14,126 INFO L386 tUnfolder$Statistics]: existing Event has 175 ancestors and is cut-off event [2022-11-21 09:04:14,126 INFO L386 tUnfolder$Statistics]: existing Event has 190 ancestors and is cut-off event [2022-11-21 09:04:14,127 INFO L386 tUnfolder$Statistics]: existing Event has 128 ancestors and is cut-off event [2022-11-21 09:04:14,162 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][240], [51#L766-5true, Black: 303#true, t2Thread1of1ForFork0InUse, 101#L699-4true, Black: 323#(= |#race~send~0| 0), 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 321#true]) [2022-11-21 09:04:14,162 INFO L383 tUnfolder$Statistics]: this new event has 194 ancestors and is cut-off event [2022-11-21 09:04:14,162 INFO L386 tUnfolder$Statistics]: existing Event has 129 ancestors and is cut-off event [2022-11-21 09:04:14,163 INFO L386 tUnfolder$Statistics]: existing Event has 191 ancestors and is cut-off event [2022-11-21 09:04:14,163 INFO L386 tUnfolder$Statistics]: existing Event has 176 ancestors and is cut-off event [2022-11-21 09:04:14,163 INFO L386 tUnfolder$Statistics]: existing Event has 181 ancestors and is cut-off event [2022-11-21 09:04:14,205 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][240], [101#L699-4true, Black: 303#true, t2Thread1of1ForFork0InUse, Black: 323#(= |#race~send~0| 0), 141#ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACEtrue, 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 321#true]) [2022-11-21 09:04:14,205 INFO L383 tUnfolder$Statistics]: this new event has 195 ancestors and is cut-off event [2022-11-21 09:04:14,205 INFO L386 tUnfolder$Statistics]: existing Event has 192 ancestors and is cut-off event [2022-11-21 09:04:14,205 INFO L386 tUnfolder$Statistics]: existing Event has 177 ancestors and is cut-off event [2022-11-21 09:04:14,206 INFO L386 tUnfolder$Statistics]: existing Event has 130 ancestors and is cut-off event [2022-11-21 09:04:14,206 INFO L386 tUnfolder$Statistics]: existing Event has 182 ancestors and is cut-off event [2022-11-21 09:04:14,207 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][240], [101#L699-4true, Black: 303#true, t2Thread1of1ForFork0InUse, Black: 323#(= |#race~send~0| 0), 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 245#L766-6true, 321#true]) [2022-11-21 09:04:14,207 INFO L383 tUnfolder$Statistics]: this new event has 195 ancestors and is cut-off event [2022-11-21 09:04:14,207 INFO L386 tUnfolder$Statistics]: existing Event has 130 ancestors and is cut-off event [2022-11-21 09:04:14,207 INFO L386 tUnfolder$Statistics]: existing Event has 182 ancestors and is cut-off event [2022-11-21 09:04:14,208 INFO L386 tUnfolder$Statistics]: existing Event has 177 ancestors and is cut-off event [2022-11-21 09:04:14,208 INFO L386 tUnfolder$Statistics]: existing Event has 192 ancestors and is cut-off event [2022-11-21 09:04:15,530 INFO L130 PetriNetUnfolder]: 1656/12251 cut-off events. [2022-11-21 09:04:15,531 INFO L131 PetriNetUnfolder]: For 189/443 co-relation queries the response was YES. [2022-11-21 09:04:15,640 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15106 conditions, 12251 events. 1656/12251 cut-off events. For 189/443 co-relation queries the response was YES. Maximal size of possible extension queue 248. Compared 140856 event pairs, 276 based on Foata normal form. 68/9929 useless extension candidates. Maximal degree in co-relation 10166. Up to 1045 conditions per place. [2022-11-21 09:04:15,728 INFO L137 encePairwiseOnDemand]: 291/298 looper letters, 51 selfloop transitions, 9 changer transitions 0/310 dead transitions. [2022-11-21 09:04:15,728 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 310 transitions, 789 flow [2022-11-21 09:04:15,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 09:04:15,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 09:04:15,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1633 transitions. [2022-11-21 09:04:15,734 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9133109619686801 [2022-11-21 09:04:15,734 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1633 transitions. [2022-11-21 09:04:15,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1633 transitions. [2022-11-21 09:04:15,736 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:04:15,736 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1633 transitions. [2022-11-21 09:04:15,742 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 272.1666666666667) internal successors, (1633), 6 states have internal predecessors, (1633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:15,747 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 298.0) internal successors, (2086), 7 states have internal predecessors, (2086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:15,748 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 298.0) internal successors, (2086), 7 states have internal predecessors, (2086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:15,748 INFO L175 Difference]: Start difference. First operand has 270 places, 275 transitions, 598 flow. Second operand 6 states and 1633 transitions. [2022-11-21 09:04:15,749 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 310 transitions, 789 flow [2022-11-21 09:04:15,754 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 310 transitions, 781 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:04:15,760 INFO L231 Difference]: Finished difference. Result has 278 places, 283 transitions, 654 flow [2022-11-21 09:04:15,761 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=590, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=654, PETRI_PLACES=278, PETRI_TRANSITIONS=283} [2022-11-21 09:04:15,762 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, -2 predicate places. [2022-11-21 09:04:15,763 INFO L495 AbstractCegarLoop]: Abstraction has has 278 places, 283 transitions, 654 flow [2022-11-21 09:04:15,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 263.8333333333333) internal successors, (1583), 6 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:15,764 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:04:15,764 INFO L209 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] [2022-11-21 09:04:15,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 09:04:15,765 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-21 09:04:15,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:04:15,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1925551866, now seen corresponding path program 1 times [2022-11-21 09:04:15,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:04:15,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069811128] [2022-11-21 09:04:15,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:04:15,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:04:15,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:15,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:04:15,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:04:15,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069811128] [2022-11-21 09:04:15,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069811128] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:04:15,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:04:15,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:04:15,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885372281] [2022-11-21 09:04:15,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:04:15,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:04:15,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:04:15,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:04:15,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:04:15,891 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 274 out of 298 [2022-11-21 09:04:15,892 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 283 transitions, 654 flow. Second operand has 3 states, 3 states have (on average 276.0) internal successors, (828), 3 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:15,892 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:04:15,892 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 274 of 298 [2022-11-21 09:04:15,892 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:04:18,355 INFO L130 PetriNetUnfolder]: 868/11048 cut-off events. [2022-11-21 09:04:18,355 INFO L131 PetriNetUnfolder]: For 121/154 co-relation queries the response was YES. [2022-11-21 09:04:18,452 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12785 conditions, 11048 events. 868/11048 cut-off events. For 121/154 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 132766 event pairs, 160 based on Foata normal form. 0/9106 useless extension candidates. Maximal degree in co-relation 11536. Up to 492 conditions per place. [2022-11-21 09:04:18,505 INFO L137 encePairwiseOnDemand]: 293/298 looper letters, 17 selfloop transitions, 4 changer transitions 0/290 dead transitions. [2022-11-21 09:04:18,505 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 290 transitions, 711 flow [2022-11-21 09:04:18,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:04:18,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:04:18,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 844 transitions. [2022-11-21 09:04:18,509 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9440715883668904 [2022-11-21 09:04:18,510 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 844 transitions. [2022-11-21 09:04:18,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 844 transitions. [2022-11-21 09:04:18,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:04:18,511 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 844 transitions. [2022-11-21 09:04:18,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 281.3333333333333) internal successors, (844), 3 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:18,517 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:18,517 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:18,518 INFO L175 Difference]: Start difference. First operand has 278 places, 283 transitions, 654 flow. Second operand 3 states and 844 transitions. [2022-11-21 09:04:18,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 290 transitions, 711 flow [2022-11-21 09:04:18,524 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 290 transitions, 711 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-21 09:04:18,530 INFO L231 Difference]: Finished difference. Result has 282 places, 287 transitions, 688 flow [2022-11-21 09:04:18,530 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=654, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=688, PETRI_PLACES=282, PETRI_TRANSITIONS=287} [2022-11-21 09:04:18,532 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, 2 predicate places. [2022-11-21 09:04:18,532 INFO L495 AbstractCegarLoop]: Abstraction has has 282 places, 287 transitions, 688 flow [2022-11-21 09:04:18,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 276.0) internal successors, (828), 3 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:18,533 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:04:18,534 INFO L209 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] [2022-11-21 09:04:18,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 09:04:18,534 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-21 09:04:18,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:04:18,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1592472893, now seen corresponding path program 1 times [2022-11-21 09:04:18,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:04:18,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934765224] [2022-11-21 09:04:18,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:04:18,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:04:18,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:18,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:04:18,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:04:18,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934765224] [2022-11-21 09:04:18,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934765224] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:04:18,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:04:18,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:04:18,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105343204] [2022-11-21 09:04:18,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:04:18,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:04:18,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:04:18,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:04:18,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:04:18,621 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 298 [2022-11-21 09:04:18,623 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 287 transitions, 688 flow. Second operand has 3 states, 3 states have (on average 269.6666666666667) internal successors, (809), 3 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:18,623 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:04:18,623 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 298 [2022-11-21 09:04:18,623 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:04:22,300 INFO L130 PetriNetUnfolder]: 1225/15406 cut-off events. [2022-11-21 09:04:22,301 INFO L131 PetriNetUnfolder]: For 304/331 co-relation queries the response was YES. [2022-11-21 09:04:22,439 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18341 conditions, 15406 events. 1225/15406 cut-off events. For 304/331 co-relation queries the response was YES. Maximal size of possible extension queue 282. Compared 192140 event pairs, 417 based on Foata normal form. 0/12934 useless extension candidates. Maximal degree in co-relation 18100. Up to 1071 conditions per place. [2022-11-21 09:04:22,502 INFO L137 encePairwiseOnDemand]: 291/298 looper letters, 17 selfloop transitions, 2 changer transitions 0/286 dead transitions. [2022-11-21 09:04:22,502 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 286 transitions, 727 flow [2022-11-21 09:04:22,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:04:22,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:04:22,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 828 transitions. [2022-11-21 09:04:22,506 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9261744966442953 [2022-11-21 09:04:22,506 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 828 transitions. [2022-11-21 09:04:22,507 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 828 transitions. [2022-11-21 09:04:22,507 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:04:22,508 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 828 transitions. [2022-11-21 09:04:22,511 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 276.0) internal successors, (828), 3 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:22,515 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:22,516 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:22,516 INFO L175 Difference]: Start difference. First operand has 282 places, 287 transitions, 688 flow. Second operand 3 states and 828 transitions. [2022-11-21 09:04:22,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 286 transitions, 727 flow [2022-11-21 09:04:22,523 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 286 transitions, 719 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:04:22,529 INFO L231 Difference]: Finished difference. Result has 278 places, 284 transitions, 684 flow [2022-11-21 09:04:22,530 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=670, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=684, PETRI_PLACES=278, PETRI_TRANSITIONS=284} [2022-11-21 09:04:22,531 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, -2 predicate places. [2022-11-21 09:04:22,532 INFO L495 AbstractCegarLoop]: Abstraction has has 278 places, 284 transitions, 684 flow [2022-11-21 09:04:22,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 269.6666666666667) internal successors, (809), 3 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:22,533 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:04:22,533 INFO L209 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] [2022-11-21 09:04:22,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 09:04:22,533 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t2Err2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-21 09:04:22,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:04:22,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1271862202, now seen corresponding path program 1 times [2022-11-21 09:04:22,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:04:22,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614546378] [2022-11-21 09:04:22,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:04:22,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:04:22,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:22,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:04:22,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:04:22,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614546378] [2022-11-21 09:04:22,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614546378] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:04:22,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:04:22,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:04:22,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133546331] [2022-11-21 09:04:22,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:04:22,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:04:22,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:04:22,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:04:22,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:04:22,649 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 271 out of 298 [2022-11-21 09:04:22,650 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 284 transitions, 684 flow. Second operand has 3 states, 3 states have (on average 273.0) internal successors, (819), 3 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:22,651 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:04:22,651 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 271 of 298 [2022-11-21 09:04:22,651 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:04:25,564 INFO L130 PetriNetUnfolder]: 1396/16208 cut-off events. [2022-11-21 09:04:25,564 INFO L131 PetriNetUnfolder]: For 279/319 co-relation queries the response was YES. [2022-11-21 09:04:25,663 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19655 conditions, 16208 events. 1396/16208 cut-off events. For 279/319 co-relation queries the response was YES. Maximal size of possible extension queue 304. Compared 205470 event pairs, 219 based on Foata normal form. 0/13778 useless extension candidates. Maximal degree in co-relation 19559. Up to 809 conditions per place. [2022-11-21 09:04:25,731 INFO L137 encePairwiseOnDemand]: 291/298 looper letters, 13 selfloop transitions, 4 changer transitions 0/284 dead transitions. [2022-11-21 09:04:25,731 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 284 transitions, 719 flow [2022-11-21 09:04:25,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:04:25,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:04:25,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 833 transitions. [2022-11-21 09:04:25,735 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9317673378076062 [2022-11-21 09:04:25,736 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 833 transitions. [2022-11-21 09:04:25,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 833 transitions. [2022-11-21 09:04:25,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:04:25,737 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 833 transitions. [2022-11-21 09:04:25,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 277.6666666666667) internal successors, (833), 3 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:25,742 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:25,743 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:25,743 INFO L175 Difference]: Start difference. First operand has 278 places, 284 transitions, 684 flow. Second operand 3 states and 833 transitions. [2022-11-21 09:04:25,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 284 transitions, 719 flow [2022-11-21 09:04:25,748 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 284 transitions, 719 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-21 09:04:25,753 INFO L231 Difference]: Finished difference. Result has 278 places, 283 transitions, 698 flow [2022-11-21 09:04:25,754 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=678, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=698, PETRI_PLACES=278, PETRI_TRANSITIONS=283} [2022-11-21 09:04:25,755 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, -2 predicate places. [2022-11-21 09:04:25,755 INFO L495 AbstractCegarLoop]: Abstraction has has 278 places, 283 transitions, 698 flow [2022-11-21 09:04:25,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 273.0) internal successors, (819), 3 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:25,756 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:04:25,756 INFO L209 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] [2022-11-21 09:04:25,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-21 09:04:25,757 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-21 09:04:25,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:04:25,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1756992622, now seen corresponding path program 1 times [2022-11-21 09:04:25,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:04:25,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156384141] [2022-11-21 09:04:25,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:04:25,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:04:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:25,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:04:25,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:04:25,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156384141] [2022-11-21 09:04:25,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156384141] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:04:25,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:04:25,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:04:25,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746411799] [2022-11-21 09:04:25,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:04:25,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:04:25,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:04:25,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:04:25,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:04:25,896 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 298 [2022-11-21 09:04:25,897 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 283 transitions, 698 flow. Second operand has 3 states, 3 states have (on average 278.0) internal successors, (834), 3 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:25,897 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:04:25,898 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 298 [2022-11-21 09:04:25,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:04:30,831 INFO L130 PetriNetUnfolder]: 1818/22599 cut-off events. [2022-11-21 09:04:30,831 INFO L131 PetriNetUnfolder]: For 236/273 co-relation queries the response was YES. [2022-11-21 09:04:31,021 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28123 conditions, 22599 events. 1818/22599 cut-off events. For 236/273 co-relation queries the response was YES. Maximal size of possible extension queue 431. Compared 306902 event pairs, 284 based on Foata normal form. 0/19223 useless extension candidates. Maximal degree in co-relation 27383. Up to 930 conditions per place. [2022-11-21 09:04:31,090 INFO L137 encePairwiseOnDemand]: 295/298 looper letters, 19 selfloop transitions, 2 changer transitions 0/291 dead transitions. [2022-11-21 09:04:31,090 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 291 transitions, 758 flow [2022-11-21 09:04:31,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:04:31,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:04:31,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 850 transitions. [2022-11-21 09:04:31,093 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9507829977628636 [2022-11-21 09:04:31,094 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 850 transitions. [2022-11-21 09:04:31,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 850 transitions. [2022-11-21 09:04:31,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:04:31,095 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 850 transitions. [2022-11-21 09:04:31,097 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 283.3333333333333) internal successors, (850), 3 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:31,100 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:31,101 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:31,101 INFO L175 Difference]: Start difference. First operand has 278 places, 283 transitions, 698 flow. Second operand 3 states and 850 transitions. [2022-11-21 09:04:31,101 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 291 transitions, 758 flow [2022-11-21 09:04:31,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 291 transitions, 754 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 09:04:31,112 INFO L231 Difference]: Finished difference. Result has 280 places, 284 transitions, 706 flow [2022-11-21 09:04:31,113 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=694, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=706, PETRI_PLACES=280, PETRI_TRANSITIONS=284} [2022-11-21 09:04:31,114 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, 0 predicate places. [2022-11-21 09:04:31,114 INFO L495 AbstractCegarLoop]: Abstraction has has 280 places, 284 transitions, 706 flow [2022-11-21 09:04:31,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 278.0) internal successors, (834), 3 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:31,115 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:04:31,115 INFO L209 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] [2022-11-21 09:04:31,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-21 09:04:31,116 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting t1Err5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-21 09:04:31,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:04:31,116 INFO L85 PathProgramCache]: Analyzing trace with hash 792791564, now seen corresponding path program 1 times [2022-11-21 09:04:31,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:04:31,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757564473] [2022-11-21 09:04:31,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:04:31,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:04:31,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:31,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:04:31,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:04:31,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757564473] [2022-11-21 09:04:31,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757564473] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:04:31,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:04:31,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:04:31,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555105222] [2022-11-21 09:04:31,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:04:31,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:04:31,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:04:31,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:04:31,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:04:31,193 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 298 [2022-11-21 09:04:31,195 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 284 transitions, 706 flow. Second operand has 3 states, 3 states have (on average 279.0) internal successors, (837), 3 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:31,196 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:04:31,196 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 298 [2022-11-21 09:04:31,196 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:04:31,999 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([789] L696-6-->L696-7: Formula: (= |v_#race~buffer_size~0_16| 0) InVars {} OutVars{#race~buffer_size~0=|v_#race~buffer_size~0_16|} AuxVars[] AssignedVars[#race~buffer_size~0][237], [220#L696-7true, Black: 350#true, t2Thread1of1ForFork0InUse, Black: 321#true, Black: 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), 63#L764-4true, Black: 329#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), Black: 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 330#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 331#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 303#true, 347#(= |#race~buffer_size~0| 0), Black: 339#true, 198#L708-3true, 360#true, Black: 345#true, 327#true, 355#true]) [2022-11-21 09:04:31,999 INFO L383 tUnfolder$Statistics]: this new event has 165 ancestors and is cut-off event [2022-11-21 09:04:32,000 INFO L386 tUnfolder$Statistics]: existing Event has 157 ancestors and is cut-off event [2022-11-21 09:04:32,000 INFO L386 tUnfolder$Statistics]: existing Event has 160 ancestors and is cut-off event [2022-11-21 09:04:32,000 INFO L386 tUnfolder$Statistics]: existing Event has 123 ancestors and is cut-off event [2022-11-21 09:04:35,727 INFO L130 PetriNetUnfolder]: 1831/23988 cut-off events. [2022-11-21 09:04:35,728 INFO L131 PetriNetUnfolder]: For 120/158 co-relation queries the response was YES. [2022-11-21 09:04:35,898 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29302 conditions, 23988 events. 1831/23988 cut-off events. For 120/158 co-relation queries the response was YES. Maximal size of possible extension queue 429. Compared 328159 event pairs, 297 based on Foata normal form. 0/20591 useless extension candidates. Maximal degree in co-relation 20314. Up to 892 conditions per place. [2022-11-21 09:04:36,125 INFO L137 encePairwiseOnDemand]: 294/298 looper letters, 11 selfloop transitions, 3 changer transitions 0/286 dead transitions. [2022-11-21 09:04:36,125 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 286 transitions, 740 flow [2022-11-21 09:04:36,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:04:36,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:04:36,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 846 transitions. [2022-11-21 09:04:36,131 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9463087248322147 [2022-11-21 09:04:36,131 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 846 transitions. [2022-11-21 09:04:36,131 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 846 transitions. [2022-11-21 09:04:36,132 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:04:36,132 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 846 transitions. [2022-11-21 09:04:36,134 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 282.0) internal successors, (846), 3 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:36,136 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:36,137 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:36,137 INFO L175 Difference]: Start difference. First operand has 280 places, 284 transitions, 706 flow. Second operand 3 states and 846 transitions. [2022-11-21 09:04:36,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 286 transitions, 740 flow [2022-11-21 09:04:36,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 286 transitions, 738 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 09:04:36,150 INFO L231 Difference]: Finished difference. Result has 283 places, 285 transitions, 722 flow [2022-11-21 09:04:36,150 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=704, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=722, PETRI_PLACES=283, PETRI_TRANSITIONS=285} [2022-11-21 09:04:36,151 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, 3 predicate places. [2022-11-21 09:04:36,151 INFO L495 AbstractCegarLoop]: Abstraction has has 283 places, 285 transitions, 722 flow [2022-11-21 09:04:36,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 279.0) internal successors, (837), 3 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:36,152 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:04:36,152 INFO L209 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] [2022-11-21 09:04:36,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-21 09:04:36,153 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting t2Err8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-21 09:04:36,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:04:36,153 INFO L85 PathProgramCache]: Analyzing trace with hash -74491279, now seen corresponding path program 1 times [2022-11-21 09:04:36,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:04:36,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498529163] [2022-11-21 09:04:36,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:04:36,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:04:36,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:36,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:04:36,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:04:36,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498529163] [2022-11-21 09:04:36,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498529163] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:04:36,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:04:36,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:04:36,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479831268] [2022-11-21 09:04:36,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:04:36,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:04:36,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:04:36,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:04:36,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:04:36,234 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 280 out of 298 [2022-11-21 09:04:36,242 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 285 transitions, 722 flow. Second operand has 3 states, 3 states have (on average 281.3333333333333) internal successors, (844), 3 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:36,242 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:04:36,243 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 280 of 298 [2022-11-21 09:04:36,243 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:04:44,945 INFO L130 PetriNetUnfolder]: 4625/48130 cut-off events. [2022-11-21 09:04:44,945 INFO L131 PetriNetUnfolder]: For 614/705 co-relation queries the response was YES. [2022-11-21 09:04:45,392 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61116 conditions, 48130 events. 4625/48130 cut-off events. For 614/705 co-relation queries the response was YES. Maximal size of possible extension queue 884. Compared 758127 event pairs, 730 based on Foata normal form. 0/41639 useless extension candidates. Maximal degree in co-relation 51836. Up to 1766 conditions per place. [2022-11-21 09:04:45,556 INFO L137 encePairwiseOnDemand]: 294/298 looper letters, 12 selfloop transitions, 3 changer transitions 0/291 dead transitions. [2022-11-21 09:04:45,556 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 291 transitions, 765 flow [2022-11-21 09:04:45,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:04:45,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:04:45,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 856 transitions. [2022-11-21 09:04:45,559 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9574944071588367 [2022-11-21 09:04:45,560 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 856 transitions. [2022-11-21 09:04:45,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 856 transitions. [2022-11-21 09:04:45,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:04:45,560 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 856 transitions. [2022-11-21 09:04:45,565 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 285.3333333333333) internal successors, (856), 3 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:45,568 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:45,569 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:45,569 INFO L175 Difference]: Start difference. First operand has 283 places, 285 transitions, 722 flow. Second operand 3 states and 856 transitions. [2022-11-21 09:04:45,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 291 transitions, 765 flow [2022-11-21 09:04:45,623 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 291 transitions, 759 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:04:45,628 INFO L231 Difference]: Finished difference. Result has 285 places, 288 transitions, 742 flow [2022-11-21 09:04:45,629 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=716, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=742, PETRI_PLACES=285, PETRI_TRANSITIONS=288} [2022-11-21 09:04:45,629 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, 5 predicate places. [2022-11-21 09:04:45,630 INFO L495 AbstractCegarLoop]: Abstraction has has 285 places, 288 transitions, 742 flow [2022-11-21 09:04:45,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 281.3333333333333) internal successors, (844), 3 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:45,631 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:04:45,631 INFO L209 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] [2022-11-21 09:04:45,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-21 09:04:45,632 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting t2Err5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-21 09:04:45,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:04:45,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1133295446, now seen corresponding path program 1 times [2022-11-21 09:04:45,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:04:45,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156754929] [2022-11-21 09:04:45,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:04:45,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:04:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:45,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:04:45,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:04:45,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156754929] [2022-11-21 09:04:45,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156754929] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:04:45,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:04:45,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:04:45,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419325800] [2022-11-21 09:04:45,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:04:45,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:04:45,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:04:45,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:04:45,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:04:45,738 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 298 [2022-11-21 09:04:45,740 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 288 transitions, 742 flow. Second operand has 3 states, 3 states have (on average 279.3333333333333) internal successors, (838), 3 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:45,740 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:04:45,741 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 298 [2022-11-21 09:04:45,741 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:04:54,417 INFO L130 PetriNetUnfolder]: 3825/42619 cut-off events. [2022-11-21 09:04:54,418 INFO L131 PetriNetUnfolder]: For 1139/1225 co-relation queries the response was YES. [2022-11-21 09:04:54,833 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56813 conditions, 42619 events. 3825/42619 cut-off events. For 1139/1225 co-relation queries the response was YES. Maximal size of possible extension queue 794. Compared 668250 event pairs, 760 based on Foata normal form. 0/37208 useless extension candidates. Maximal degree in co-relation 56714. Up to 2540 conditions per place. [2022-11-21 09:04:55,285 INFO L137 encePairwiseOnDemand]: 294/298 looper letters, 11 selfloop transitions, 3 changer transitions 0/289 dead transitions. [2022-11-21 09:04:55,286 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 289 transitions, 771 flow [2022-11-21 09:04:55,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:04:55,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:04:55,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 846 transitions. [2022-11-21 09:04:55,289 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9463087248322147 [2022-11-21 09:04:55,289 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 846 transitions. [2022-11-21 09:04:55,289 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 846 transitions. [2022-11-21 09:04:55,290 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:04:55,290 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 846 transitions. [2022-11-21 09:04:55,292 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 282.0) internal successors, (846), 3 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:55,295 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:55,295 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:55,295 INFO L175 Difference]: Start difference. First operand has 285 places, 288 transitions, 742 flow. Second operand 3 states and 846 transitions. [2022-11-21 09:04:55,296 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 289 transitions, 771 flow [2022-11-21 09:04:55,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 289 transitions, 763 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-11-21 09:04:55,327 INFO L231 Difference]: Finished difference. Result has 287 places, 288 transitions, 748 flow [2022-11-21 09:04:55,328 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=730, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=748, PETRI_PLACES=287, PETRI_TRANSITIONS=288} [2022-11-21 09:04:55,329 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, 7 predicate places. [2022-11-21 09:04:55,329 INFO L495 AbstractCegarLoop]: Abstraction has has 287 places, 288 transitions, 748 flow [2022-11-21 09:04:55,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 279.3333333333333) internal successors, (838), 3 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:55,330 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:04:55,330 INFO L209 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] [2022-11-21 09:04:55,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-21 09:04:55,330 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting t1Err5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-21 09:04:55,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:04:55,331 INFO L85 PathProgramCache]: Analyzing trace with hash 441405150, now seen corresponding path program 1 times [2022-11-21 09:04:55,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:04:55,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988152678] [2022-11-21 09:04:55,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:04:55,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:04:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:04:55,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:04:55,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:04:55,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988152678] [2022-11-21 09:04:55,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988152678] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:04:55,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:04:55,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:04:55,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543760365] [2022-11-21 09:04:55,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:04:55,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:04:55,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:04:55,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:04:55,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:04:55,521 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 298 [2022-11-21 09:04:55,523 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 288 transitions, 748 flow. Second operand has 3 states, 3 states have (on average 257.0) internal successors, (771), 3 states have internal predecessors, (771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:04:55,523 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:04:55,523 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 298 [2022-11-21 09:04:55,523 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:04:58,279 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([764] L746-->L746-1: Formula: (= |v_#race~receive~0_7| 0) InVars {} OutVars{#race~receive~0=|v_#race~receive~0_7|} AuxVars[] AssignedVars[#race~receive~0][109], [350#true, t2Thread1of1ForFork0InUse, 378#true, Black: 323#(= |#race~send~0| 0), 63#L764-4true, Black: 362#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 329#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), Black: 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 330#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 260#L746-1true, Black: 331#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 106#L734-3true, Black: 368#(= |#race~value~0| 0), Black: 303#true, 347#(= |#race~buffer_size~0| 0), Black: 339#true, 372#true, Black: 374#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), Black: 345#true, 327#true]) [2022-11-21 09:04:58,279 INFO L383 tUnfolder$Statistics]: this new event has 162 ancestors and is cut-off event [2022-11-21 09:04:58,280 INFO L386 tUnfolder$Statistics]: existing Event has 149 ancestors and is cut-off event [2022-11-21 09:04:58,280 INFO L386 tUnfolder$Statistics]: existing Event has 135 ancestors and is cut-off event [2022-11-21 09:04:58,280 INFO L386 tUnfolder$Statistics]: existing Event has 125 ancestors and is cut-off event [2022-11-21 09:04:58,993 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([764] L746-->L746-1: Formula: (= |v_#race~receive~0_7| 0) InVars {} OutVars{#race~receive~0=|v_#race~receive~0_7|} AuxVars[] AssignedVars[#race~receive~0][109], [350#true, 378#true, t2Thread1of1ForFork0InUse, Black: 323#(= |#race~send~0| 0), Black: 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), 63#L764-4true, Black: 362#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 329#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), Black: 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 330#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 260#L746-1true, Black: 331#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 368#(= |#race~value~0| 0), 106#L734-3true, Black: 303#true, 347#(= |#race~buffer_size~0| 0), Black: 339#true, 372#true, Black: 374#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), Black: 345#true, 327#true]) [2022-11-21 09:04:58,993 INFO L383 tUnfolder$Statistics]: this new event has 172 ancestors and is cut-off event [2022-11-21 09:04:58,993 INFO L386 tUnfolder$Statistics]: existing Event has 135 ancestors and is cut-off event [2022-11-21 09:04:58,993 INFO L386 tUnfolder$Statistics]: existing Event has 159 ancestors and is cut-off event [2022-11-21 09:04:58,993 INFO L386 tUnfolder$Statistics]: existing Event has 145 ancestors and is cut-off event [2022-11-21 09:05:05,011 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([803] L748-5-->L748-6: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][175], [75#L732-2true, Black: 350#true, 378#true, t2Thread1of1ForFork0InUse, Black: 321#true, 16#L748-6true, 166#L765-2true, Black: 362#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 330#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 329#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), Black: 331#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 327#true, Black: 303#true, Black: 366#true, 347#(= |#race~buffer_size~0| 0), Black: 339#true, 372#true, Black: 374#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), Black: 345#true]) [2022-11-21 09:05:05,011 INFO L383 tUnfolder$Statistics]: this new event has 192 ancestors and is cut-off event [2022-11-21 09:05:05,011 INFO L386 tUnfolder$Statistics]: existing Event has 179 ancestors and is cut-off event [2022-11-21 09:05:05,011 INFO L386 tUnfolder$Statistics]: existing Event has 177 ancestors and is cut-off event [2022-11-21 09:05:05,011 INFO L386 tUnfolder$Statistics]: existing Event has 155 ancestors and is cut-off event [2022-11-21 09:05:05,658 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([803] L748-5-->L748-6: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][175], [75#L732-2true, Black: 350#true, t2Thread1of1ForFork0InUse, 378#true, Black: 321#true, 16#L748-6true, 191#L765-3true, Black: 362#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 329#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), Black: 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 331#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 327#true, Black: 366#true, Black: 303#true, 347#(= |#race~buffer_size~0| 0), Black: 339#true, 372#true, Black: 374#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), Black: 345#true, 330#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0))]) [2022-11-21 09:05:05,658 INFO L383 tUnfolder$Statistics]: this new event has 193 ancestors and is cut-off event [2022-11-21 09:05:05,658 INFO L386 tUnfolder$Statistics]: existing Event has 180 ancestors and is cut-off event [2022-11-21 09:05:05,658 INFO L386 tUnfolder$Statistics]: existing Event has 156 ancestors and is cut-off event [2022-11-21 09:05:05,658 INFO L386 tUnfolder$Statistics]: existing Event has 178 ancestors and is cut-off event [2022-11-21 09:05:05,908 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([803] L748-5-->L748-6: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][175], [75#L732-2true, 72#L765-4true, Black: 350#true, t2Thread1of1ForFork0InUse, 378#true, Black: 321#true, 16#L748-6true, Black: 362#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), 331#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 329#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), Black: 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 330#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 327#true, Black: 366#true, Black: 303#true, 347#(= |#race~buffer_size~0| 0), Black: 339#true, 372#true, Black: 374#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), Black: 345#true]) [2022-11-21 09:05:05,908 INFO L383 tUnfolder$Statistics]: this new event has 194 ancestors and is cut-off event [2022-11-21 09:05:05,908 INFO L386 tUnfolder$Statistics]: existing Event has 181 ancestors and is cut-off event [2022-11-21 09:05:05,908 INFO L386 tUnfolder$Statistics]: existing Event has 179 ancestors and is cut-off event [2022-11-21 09:05:05,908 INFO L386 tUnfolder$Statistics]: existing Event has 157 ancestors and is cut-off event [2022-11-21 09:05:06,146 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([803] L748-5-->L748-6: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][175], [75#L732-2true, Black: 350#true, 378#true, t2Thread1of1ForFork0InUse, Black: 321#true, 16#L748-6true, Black: 362#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 329#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), Black: 330#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 331#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 327#true, 27#L765-5true, Black: 303#true, Black: 366#true, 347#(= |#race~buffer_size~0| 0), 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 339#true, 372#true, Black: 374#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), Black: 345#true]) [2022-11-21 09:05:06,146 INFO L383 tUnfolder$Statistics]: this new event has 195 ancestors and is cut-off event [2022-11-21 09:05:06,146 INFO L386 tUnfolder$Statistics]: existing Event has 180 ancestors and is cut-off event [2022-11-21 09:05:06,146 INFO L386 tUnfolder$Statistics]: existing Event has 158 ancestors and is cut-off event [2022-11-21 09:05:06,146 INFO L386 tUnfolder$Statistics]: existing Event has 182 ancestors and is cut-off event [2022-11-21 09:05:08,718 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([803] L748-5-->L748-6: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][175], [75#L732-2true, Black: 350#true, 378#true, t2Thread1of1ForFork0InUse, Black: 321#true, Black: 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), 16#L748-6true, 166#L765-2true, Black: 362#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 330#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 329#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), Black: 331#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 327#true, Black: 366#true, Black: 303#true, 347#(= |#race~buffer_size~0| 0), Black: 339#true, 372#true, Black: 374#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), Black: 345#true]) [2022-11-21 09:05:08,718 INFO L383 tUnfolder$Statistics]: this new event has 202 ancestors and is cut-off event [2022-11-21 09:05:08,719 INFO L386 tUnfolder$Statistics]: existing Event has 165 ancestors and is cut-off event [2022-11-21 09:05:08,719 INFO L386 tUnfolder$Statistics]: existing Event has 189 ancestors and is cut-off event [2022-11-21 09:05:08,719 INFO L386 tUnfolder$Statistics]: existing Event has 187 ancestors and is cut-off event [2022-11-21 09:05:09,512 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([803] L748-5-->L748-6: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][175], [75#L732-2true, Black: 350#true, 378#true, t2Thread1of1ForFork0InUse, Black: 321#true, Black: 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), 16#L748-6true, 191#L765-3true, Black: 362#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 329#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), Black: 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 331#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 327#true, Black: 303#true, Black: 366#true, 347#(= |#race~buffer_size~0| 0), Black: 339#true, 372#true, Black: 374#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), 330#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 345#true]) [2022-11-21 09:05:09,512 INFO L383 tUnfolder$Statistics]: this new event has 203 ancestors and is cut-off event [2022-11-21 09:05:09,512 INFO L386 tUnfolder$Statistics]: existing Event has 188 ancestors and is cut-off event [2022-11-21 09:05:09,512 INFO L386 tUnfolder$Statistics]: existing Event has 190 ancestors and is cut-off event [2022-11-21 09:05:09,513 INFO L386 tUnfolder$Statistics]: existing Event has 166 ancestors and is cut-off event [2022-11-21 09:05:09,888 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([803] L748-5-->L748-6: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][175], [75#L732-2true, 72#L765-4true, Black: 350#true, 378#true, t2Thread1of1ForFork0InUse, Black: 321#true, Black: 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), 16#L748-6true, Black: 362#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), 331#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 329#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), Black: 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 330#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 327#true, Black: 366#true, Black: 303#true, 347#(= |#race~buffer_size~0| 0), Black: 339#true, 372#true, Black: 374#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), Black: 345#true]) [2022-11-21 09:05:09,888 INFO L383 tUnfolder$Statistics]: this new event has 204 ancestors and is cut-off event [2022-11-21 09:05:09,889 INFO L386 tUnfolder$Statistics]: existing Event has 167 ancestors and is cut-off event [2022-11-21 09:05:09,889 INFO L386 tUnfolder$Statistics]: existing Event has 189 ancestors and is cut-off event [2022-11-21 09:05:09,889 INFO L386 tUnfolder$Statistics]: existing Event has 191 ancestors and is cut-off event [2022-11-21 09:05:10,257 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([803] L748-5-->L748-6: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][175], [75#L732-2true, Black: 350#true, 378#true, t2Thread1of1ForFork0InUse, Black: 321#true, 16#L748-6true, Black: 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), Black: 362#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 329#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), Black: 330#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 331#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 327#true, 27#L765-5true, Black: 366#true, Black: 303#true, 347#(= |#race~buffer_size~0| 0), 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 339#true, 372#true, Black: 374#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), Black: 345#true]) [2022-11-21 09:05:10,257 INFO L383 tUnfolder$Statistics]: this new event has 205 ancestors and is cut-off event [2022-11-21 09:05:10,257 INFO L386 tUnfolder$Statistics]: existing Event has 190 ancestors and is cut-off event [2022-11-21 09:05:10,257 INFO L386 tUnfolder$Statistics]: existing Event has 168 ancestors and is cut-off event [2022-11-21 09:05:10,257 INFO L386 tUnfolder$Statistics]: existing Event has 192 ancestors and is cut-off event