./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4e7fbc69 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_2af5f8aa-8cd0-444f-851f-bebc64d8291e/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af5f8aa-8cd0-444f-851f-bebc64d8291e/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af5f8aa-8cd0-444f-851f-bebc64d8291e/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af5f8aa-8cd0-444f-851f-bebc64d8291e/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af5f8aa-8cd0-444f-851f-bebc64d8291e/bin/uautomizer-QkZJyEgLgS/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af5f8aa-8cd0-444f-851f-bebc64d8291e/bin/uautomizer-QkZJyEgLgS --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 b71c523f20411078d17c9943b891d34ddfc00131917c4009fb579cdffacef23c --- 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-4e7fbc6 [2022-11-23 02:50:21,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 02:50:21,492 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 02:50:21,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 02:50:21,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 02:50:21,538 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 02:50:21,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 02:50:21,544 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 02:50:21,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 02:50:21,553 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 02:50:21,554 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 02:50:21,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 02:50:21,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 02:50:21,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 02:50:21,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 02:50:21,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 02:50:21,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 02:50:21,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 02:50:21,568 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 02:50:21,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 02:50:21,572 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 02:50:21,575 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 02:50:21,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 02:50:21,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 02:50:21,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 02:50:21,593 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 02:50:21,593 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 02:50:21,594 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 02:50:21,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 02:50:21,596 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 02:50:21,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 02:50:21,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 02:50:21,597 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 02:50:21,598 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 02:50:21,599 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 02:50:21,599 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 02:50:21,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 02:50:21,600 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 02:50:21,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 02:50:21,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 02:50:21,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 02:50:21,607 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af5f8aa-8cd0-444f-851f-bebc64d8291e/bin/uautomizer-QkZJyEgLgS/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-23 02:50:21,647 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 02:50:21,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 02:50:21,656 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 02:50:21,656 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 02:50:21,657 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 02:50:21,657 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 02:50:21,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 02:50:21,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 02:50:21,658 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 02:50:21,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 02:50:21,660 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 02:50:21,660 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 02:50:21,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 02:50:21,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 02:50:21,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 02:50:21,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 02:50:21,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 02:50:21,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 02:50:21,661 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-23 02:50:21,661 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 02:50:21,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 02:50:21,662 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 02:50:21,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 02:50:21,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 02:50:21,663 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 02:50:21,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 02:50:21,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:50:21,663 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 02:50:21,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 02:50:21,664 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 02:50:21,665 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 02:50:21,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 02:50:21,665 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 02:50:21,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 02:50:21,666 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 02:50:21,666 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 02:50:21,666 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af5f8aa-8cd0-444f-851f-bebc64d8291e/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af5f8aa-8cd0-444f-851f-bebc64d8291e/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b71c523f20411078d17c9943b891d34ddfc00131917c4009fb579cdffacef23c [2022-11-23 02:50:21,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 02:50:22,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 02:50:22,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 02:50:22,023 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 02:50:22,024 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 02:50:22,025 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af5f8aa-8cd0-444f-851f-bebc64d8291e/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i [2022-11-23 02:50:25,190 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 02:50:25,466 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 02:50:25,467 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af5f8aa-8cd0-444f-851f-bebc64d8291e/sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i [2022-11-23 02:50:25,492 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af5f8aa-8cd0-444f-851f-bebc64d8291e/bin/uautomizer-QkZJyEgLgS/data/c735cbf19/d57a4d0caa6d48da9637dfa3b14a0001/FLAG1692e5456 [2022-11-23 02:50:25,512 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af5f8aa-8cd0-444f-851f-bebc64d8291e/bin/uautomizer-QkZJyEgLgS/data/c735cbf19/d57a4d0caa6d48da9637dfa3b14a0001 [2022-11-23 02:50:25,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 02:50:25,519 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 02:50:25,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 02:50:25,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 02:50:25,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 02:50:25,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:50:25" (1/1) ... [2022-11-23 02:50:25,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fa999d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:25, skipping insertion in model container [2022-11-23 02:50:25,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:50:25" (1/1) ... [2022-11-23 02:50:25,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 02:50:25,598 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 02:50:26,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:50:26,070 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 02:50:26,117 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:50:26,181 INFO L208 MainTranslator]: Completed translation [2022-11-23 02:50:26,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:26 WrapperNode [2022-11-23 02:50:26,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 02:50:26,182 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 02:50:26,183 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 02:50:26,183 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 02:50:26,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:26" (1/1) ... [2022-11-23 02:50:26,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:26" (1/1) ... [2022-11-23 02:50:26,254 INFO L138 Inliner]: procedures = 263, calls = 27, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 84 [2022-11-23 02:50:26,255 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 02:50:26,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 02:50:26,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 02:50:26,256 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 02:50:26,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:26" (1/1) ... [2022-11-23 02:50:26,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:26" (1/1) ... [2022-11-23 02:50:26,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:26" (1/1) ... [2022-11-23 02:50:26,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:26" (1/1) ... [2022-11-23 02:50:26,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:26" (1/1) ... [2022-11-23 02:50:26,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:26" (1/1) ... [2022-11-23 02:50:26,309 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:26" (1/1) ... [2022-11-23 02:50:26,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:26" (1/1) ... [2022-11-23 02:50:26,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 02:50:26,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 02:50:26,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 02:50:26,324 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 02:50:26,325 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:26" (1/1) ... [2022-11-23 02:50:26,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:50:26,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af5f8aa-8cd0-444f-851f-bebc64d8291e/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:50:26,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af5f8aa-8cd0-444f-851f-bebc64d8291e/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 02:50:26,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af5f8aa-8cd0-444f-851f-bebc64d8291e/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 02:50:26,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 02:50:26,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 02:50:26,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 02:50:26,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 02:50:26,417 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-23 02:50:26,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 02:50:26,418 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-23 02:50:26,418 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-23 02:50:26,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 02:50:26,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 02:50:26,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 02:50:26,420 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 02:50:26,622 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 02:50:26,624 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 02:50:26,985 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 02:50:26,992 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 02:50:26,992 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 02:50:26,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:50:26 BoogieIcfgContainer [2022-11-23 02:50:26,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 02:50:26,997 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 02:50:26,997 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 02:50:27,001 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 02:50:27,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:50:25" (1/3) ... [2022-11-23 02:50:27,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@612ab63f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:50:27, skipping insertion in model container [2022-11-23 02:50:27,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:26" (2/3) ... [2022-11-23 02:50:27,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@612ab63f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:50:27, skipping insertion in model container [2022-11-23 02:50:27,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:50:26" (3/3) ... [2022-11-23 02:50:27,004 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_46-escape_nr.i [2022-11-23 02:50:27,018 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 02:50:27,067 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 02:50:27,067 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-23 02:50:27,067 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 02:50:27,163 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-23 02:50:27,214 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 120 places, 117 transitions, 242 flow [2022-11-23 02:50:27,309 INFO L130 PetriNetUnfolder]: 1/116 cut-off events. [2022-11-23 02:50:27,310 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-23 02:50:27,314 INFO L83 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 116 events. 1/116 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 93 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 6. Up to 2 conditions per place. [2022-11-23 02:50:27,314 INFO L82 GeneralOperation]: Start removeDead. Operand has 120 places, 117 transitions, 242 flow [2022-11-23 02:50:27,321 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 103 places, 99 transitions, 201 flow [2022-11-23 02:50:27,326 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-23 02:50:27,352 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 99 transitions, 201 flow [2022-11-23 02:50:27,362 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 99 transitions, 201 flow [2022-11-23 02:50:27,362 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 103 places, 99 transitions, 201 flow [2022-11-23 02:50:27,418 INFO L130 PetriNetUnfolder]: 0/99 cut-off events. [2022-11-23 02:50:27,419 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 02:50:27,420 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 99 events. 0/99 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 63 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-11-23 02:50:27,422 INFO L119 LiptonReduction]: Number of co-enabled transitions 1612 [2022-11-23 02:50:31,588 INFO L134 LiptonReduction]: Checked pairs total: 10553 [2022-11-23 02:50:31,588 INFO L136 LiptonReduction]: Total number of compositions: 62 [2022-11-23 02:50:31,603 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 02:50:31,610 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;@1914eab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 02:50:31,610 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-11-23 02:50:31,612 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-11-23 02:50:31,612 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 02:50:31,612 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 02:50:31,613 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-11-23 02:50:31,614 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-23 02:50:31,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:50:31,619 INFO L85 PathProgramCache]: Analyzing trace with hash 357, now seen corresponding path program 1 times [2022-11-23 02:50:31,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:50:31,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943667999] [2022-11-23 02:50:31,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:50:31,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:50:31,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:50:31,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:50:31,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:50:31,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943667999] [2022-11-23 02:50:31,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943667999] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:50:31,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:50:31,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-23 02:50:31,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485195003] [2022-11-23 02:50:31,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:50:31,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 02:50:31,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:50:31,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 02:50:31,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 02:50:31,782 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 179 [2022-11-23 02:50:31,784 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 42 transitions, 87 flow. Second operand has 2 states, 2 states have (on average 115.5) internal successors, (231), 2 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:31,784 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 02:50:31,785 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 179 [2022-11-23 02:50:31,786 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 02:50:31,855 INFO L130 PetriNetUnfolder]: 25/157 cut-off events. [2022-11-23 02:50:31,855 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 02:50:31,856 INFO L83 FinitePrefix]: Finished finitePrefix Result has 224 conditions, 157 events. 25/157 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 602 event pairs, 25 based on Foata normal form. 0/147 useless extension candidates. Maximal degree in co-relation 215. Up to 63 conditions per place. [2022-11-23 02:50:31,858 INFO L137 encePairwiseOnDemand]: 178/179 looper letters, 12 selfloop transitions, 0 changer transitions 0/41 dead transitions. [2022-11-23 02:50:31,858 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 41 transitions, 109 flow [2022-11-23 02:50:31,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 02:50:31,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-23 02:50:31,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 243 transitions. [2022-11-23 02:50:31,872 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6787709497206704 [2022-11-23 02:50:31,873 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 243 transitions. [2022-11-23 02:50:31,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 243 transitions. [2022-11-23 02:50:31,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:50:31,878 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 243 transitions. [2022-11-23 02:50:31,881 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 121.5) internal successors, (243), 2 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:31,886 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:31,886 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:31,888 INFO L175 Difference]: Start difference. First operand has 46 places, 42 transitions, 87 flow. Second operand 2 states and 243 transitions. [2022-11-23 02:50:31,890 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 41 transitions, 109 flow [2022-11-23 02:50:31,892 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 41 transitions, 108 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-23 02:50:31,893 INFO L231 Difference]: Finished difference. Result has 45 places, 41 transitions, 84 flow [2022-11-23 02:50:31,896 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=84, PETRI_PLACES=45, PETRI_TRANSITIONS=41} [2022-11-23 02:50:31,899 INFO L288 CegarLoopForPetriNet]: 46 programPoint places, -1 predicate places. [2022-11-23 02:50:31,899 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 41 transitions, 84 flow [2022-11-23 02:50:31,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 115.5) internal successors, (231), 2 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:31,900 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 02:50:31,900 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:50:31,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 02:50:31,901 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-23 02:50:31,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:50:31,902 INFO L85 PathProgramCache]: Analyzing trace with hash -537783186, now seen corresponding path program 1 times [2022-11-23 02:50:31,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:50:31,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958015808] [2022-11-23 02:50:31,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:50:31,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:50:31,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:50:32,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:50:32,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:50:32,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958015808] [2022-11-23 02:50:32,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958015808] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:50:32,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:50:32,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 02:50:32,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651951924] [2022-11-23 02:50:32,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:50:32,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 02:50:32,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:50:32,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 02:50:32,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 02:50:32,761 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 179 [2022-11-23 02:50:32,762 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 41 transitions, 84 flow. Second operand has 6 states, 6 states have (on average 91.33333333333333) internal successors, (548), 6 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:32,762 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 02:50:32,762 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 179 [2022-11-23 02:50:32,762 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 02:50:32,964 INFO L130 PetriNetUnfolder]: 139/368 cut-off events. [2022-11-23 02:50:32,965 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 02:50:32,970 INFO L83 FinitePrefix]: Finished finitePrefix Result has 681 conditions, 368 events. 139/368 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1649 event pairs, 49 based on Foata normal form. 0/353 useless extension candidates. Maximal degree in co-relation 678. Up to 216 conditions per place. [2022-11-23 02:50:32,974 INFO L137 encePairwiseOnDemand]: 167/179 looper letters, 38 selfloop transitions, 20 changer transitions 0/75 dead transitions. [2022-11-23 02:50:32,974 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 75 transitions, 268 flow [2022-11-23 02:50:32,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 02:50:32,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-23 02:50:32,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 599 transitions. [2022-11-23 02:50:32,982 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5577281191806331 [2022-11-23 02:50:32,983 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 599 transitions. [2022-11-23 02:50:32,983 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 599 transitions. [2022-11-23 02:50:32,984 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:50:32,984 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 599 transitions. [2022-11-23 02:50:32,987 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 99.83333333333333) internal successors, (599), 6 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:32,992 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 179.0) internal successors, (1253), 7 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:32,993 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 179.0) internal successors, (1253), 7 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:32,993 INFO L175 Difference]: Start difference. First operand has 45 places, 41 transitions, 84 flow. Second operand 6 states and 599 transitions. [2022-11-23 02:50:32,993 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 75 transitions, 268 flow [2022-11-23 02:50:32,994 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 75 transitions, 268 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-23 02:50:32,996 INFO L231 Difference]: Finished difference. Result has 55 places, 60 transitions, 224 flow [2022-11-23 02:50:32,996 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=224, PETRI_PLACES=55, PETRI_TRANSITIONS=60} [2022-11-23 02:50:32,997 INFO L288 CegarLoopForPetriNet]: 46 programPoint places, 9 predicate places. [2022-11-23 02:50:32,997 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 60 transitions, 224 flow [2022-11-23 02:50:32,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 91.33333333333333) internal successors, (548), 6 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:32,998 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 02:50:32,998 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:50:32,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 02:50:32,999 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-23 02:50:33,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:50:33,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1688193976, now seen corresponding path program 1 times [2022-11-23 02:50:33,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:50:33,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114160385] [2022-11-23 02:50:33,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:50:33,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:50:33,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:50:33,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:50:33,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:50:33,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114160385] [2022-11-23 02:50:33,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114160385] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:50:33,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:50:33,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 02:50:33,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44455518] [2022-11-23 02:50:33,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:50:33,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 02:50:33,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:50:33,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 02:50:33,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 02:50:33,682 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 179 [2022-11-23 02:50:33,683 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 60 transitions, 224 flow. Second operand has 6 states, 6 states have (on average 100.33333333333333) internal successors, (602), 6 states have internal predecessors, (602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:33,683 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 02:50:33,683 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 179 [2022-11-23 02:50:33,683 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 02:50:33,873 INFO L130 PetriNetUnfolder]: 158/493 cut-off events. [2022-11-23 02:50:33,873 INFO L131 PetriNetUnfolder]: For 128/128 co-relation queries the response was YES. [2022-11-23 02:50:33,875 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1023 conditions, 493 events. 158/493 cut-off events. For 128/128 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 2590 event pairs, 51 based on Foata normal form. 0/469 useless extension candidates. Maximal degree in co-relation 1015. Up to 258 conditions per place. [2022-11-23 02:50:33,879 INFO L137 encePairwiseOnDemand]: 168/179 looper letters, 51 selfloop transitions, 23 changer transitions 0/97 dead transitions. [2022-11-23 02:50:33,879 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 97 transitions, 464 flow [2022-11-23 02:50:33,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 02:50:33,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-23 02:50:33,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 655 transitions. [2022-11-23 02:50:33,882 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6098696461824954 [2022-11-23 02:50:33,882 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 655 transitions. [2022-11-23 02:50:33,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 655 transitions. [2022-11-23 02:50:33,883 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:50:33,883 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 655 transitions. [2022-11-23 02:50:33,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 109.16666666666667) internal successors, (655), 6 states have internal predecessors, (655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:33,887 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 179.0) internal successors, (1253), 7 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:33,888 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 179.0) internal successors, (1253), 7 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:33,888 INFO L175 Difference]: Start difference. First operand has 55 places, 60 transitions, 224 flow. Second operand 6 states and 655 transitions. [2022-11-23 02:50:33,888 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 97 transitions, 464 flow [2022-11-23 02:50:33,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 97 transitions, 464 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-23 02:50:33,896 INFO L231 Difference]: Finished difference. Result has 65 places, 81 transitions, 396 flow [2022-11-23 02:50:33,897 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=396, PETRI_PLACES=65, PETRI_TRANSITIONS=81} [2022-11-23 02:50:33,898 INFO L288 CegarLoopForPetriNet]: 46 programPoint places, 19 predicate places. [2022-11-23 02:50:33,899 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 81 transitions, 396 flow [2022-11-23 02:50:33,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 100.33333333333333) internal successors, (602), 6 states have internal predecessors, (602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:33,899 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 02:50:33,900 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:50:33,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 02:50:33,900 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-23 02:50:33,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:50:33,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1899049674, now seen corresponding path program 1 times [2022-11-23 02:50:33,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:50:33,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400433855] [2022-11-23 02:50:33,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:50:33,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:50:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:50:34,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:50:34,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:50:34,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400433855] [2022-11-23 02:50:34,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400433855] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:50:34,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:50:34,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 02:50:34,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693853523] [2022-11-23 02:50:34,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:50:34,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 02:50:34,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:50:34,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 02:50:34,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 02:50:34,405 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 179 [2022-11-23 02:50:34,406 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 81 transitions, 396 flow. Second operand has 6 states, 6 states have (on average 83.33333333333333) internal successors, (500), 6 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:34,406 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 02:50:34,407 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 179 [2022-11-23 02:50:34,407 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 02:50:34,713 INFO L130 PetriNetUnfolder]: 349/834 cut-off events. [2022-11-23 02:50:34,714 INFO L131 PetriNetUnfolder]: For 628/641 co-relation queries the response was YES. [2022-11-23 02:50:34,716 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2349 conditions, 834 events. 349/834 cut-off events. For 628/641 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 4284 event pairs, 140 based on Foata normal form. 0/798 useless extension candidates. Maximal degree in co-relation 2336. Up to 635 conditions per place. [2022-11-23 02:50:34,720 INFO L137 encePairwiseOnDemand]: 164/179 looper letters, 83 selfloop transitions, 53 changer transitions 0/145 dead transitions. [2022-11-23 02:50:34,720 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 145 transitions, 948 flow [2022-11-23 02:50:34,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 02:50:34,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-23 02:50:34,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 572 transitions. [2022-11-23 02:50:34,723 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5325884543761639 [2022-11-23 02:50:34,723 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 572 transitions. [2022-11-23 02:50:34,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 572 transitions. [2022-11-23 02:50:34,724 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:50:34,724 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 572 transitions. [2022-11-23 02:50:34,726 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 95.33333333333333) internal successors, (572), 6 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:34,728 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 179.0) internal successors, (1253), 7 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:34,729 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 179.0) internal successors, (1253), 7 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:34,729 INFO L175 Difference]: Start difference. First operand has 65 places, 81 transitions, 396 flow. Second operand 6 states and 572 transitions. [2022-11-23 02:50:34,729 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 145 transitions, 948 flow [2022-11-23 02:50:34,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 145 transitions, 948 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-23 02:50:34,737 INFO L231 Difference]: Finished difference. Result has 75 places, 128 transitions, 878 flow [2022-11-23 02:50:34,738 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=878, PETRI_PLACES=75, PETRI_TRANSITIONS=128} [2022-11-23 02:50:34,738 INFO L288 CegarLoopForPetriNet]: 46 programPoint places, 29 predicate places. [2022-11-23 02:50:34,739 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 128 transitions, 878 flow [2022-11-23 02:50:34,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 83.33333333333333) internal successors, (500), 6 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:34,740 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 02:50:34,740 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:50:34,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 02:50:34,740 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-23 02:50:34,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:50:34,741 INFO L85 PathProgramCache]: Analyzing trace with hash -849621909, now seen corresponding path program 1 times [2022-11-23 02:50:34,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:50:34,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584114838] [2022-11-23 02:50:34,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:50:34,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:50:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:50:35,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:50:35,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:50:35,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584114838] [2022-11-23 02:50:35,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584114838] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:50:35,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:50:35,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 02:50:35,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710165996] [2022-11-23 02:50:35,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:50:35,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 02:50:35,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:50:35,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 02:50:35,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 02:50:35,167 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 179 [2022-11-23 02:50:35,168 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 128 transitions, 878 flow. Second operand has 6 states, 6 states have (on average 87.16666666666667) internal successors, (523), 6 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:35,168 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 02:50:35,168 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 179 [2022-11-23 02:50:35,168 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 02:50:35,515 INFO L130 PetriNetUnfolder]: 419/990 cut-off events. [2022-11-23 02:50:35,515 INFO L131 PetriNetUnfolder]: For 1293/1308 co-relation queries the response was YES. [2022-11-23 02:50:35,519 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3380 conditions, 990 events. 419/990 cut-off events. For 1293/1308 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 5346 event pairs, 111 based on Foata normal form. 0/943 useless extension candidates. Maximal degree in co-relation 3362. Up to 754 conditions per place. [2022-11-23 02:50:35,524 INFO L137 encePairwiseOnDemand]: 161/179 looper letters, 126 selfloop transitions, 73 changer transitions 0/210 dead transitions. [2022-11-23 02:50:35,525 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 210 transitions, 1674 flow [2022-11-23 02:50:35,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 02:50:35,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-23 02:50:35,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 610 transitions. [2022-11-23 02:50:35,527 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5679702048417132 [2022-11-23 02:50:35,527 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 610 transitions. [2022-11-23 02:50:35,528 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 610 transitions. [2022-11-23 02:50:35,528 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:50:35,528 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 610 transitions. [2022-11-23 02:50:35,530 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 101.66666666666667) internal successors, (610), 6 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:35,532 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 179.0) internal successors, (1253), 7 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:35,532 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 179.0) internal successors, (1253), 7 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:35,532 INFO L175 Difference]: Start difference. First operand has 75 places, 128 transitions, 878 flow. Second operand 6 states and 610 transitions. [2022-11-23 02:50:35,533 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 210 transitions, 1674 flow [2022-11-23 02:50:35,543 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 210 transitions, 1610 flow, removed 32 selfloop flow, removed 0 redundant places. [2022-11-23 02:50:35,547 INFO L231 Difference]: Finished difference. Result has 84 places, 190 transitions, 1408 flow [2022-11-23 02:50:35,548 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=820, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1408, PETRI_PLACES=84, PETRI_TRANSITIONS=190} [2022-11-23 02:50:35,548 INFO L288 CegarLoopForPetriNet]: 46 programPoint places, 38 predicate places. [2022-11-23 02:50:35,549 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 190 transitions, 1408 flow [2022-11-23 02:50:35,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 87.16666666666667) internal successors, (523), 6 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:35,549 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 02:50:35,549 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:50:35,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 02:50:35,550 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-23 02:50:35,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:50:35,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1652992232, now seen corresponding path program 1 times [2022-11-23 02:50:35,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:50:35,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466572641] [2022-11-23 02:50:35,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:50:35,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:50:35,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:50:35,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:50:35,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:50:35,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466572641] [2022-11-23 02:50:35,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466572641] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:50:35,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:50:35,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 02:50:35,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049852290] [2022-11-23 02:50:35,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:50:35,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 02:50:35,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:50:35,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:50:35,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:50:35,631 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 179 [2022-11-23 02:50:35,632 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 190 transitions, 1408 flow. Second operand has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:35,632 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 02:50:35,632 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 179 [2022-11-23 02:50:35,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 02:50:35,683 INFO L130 PetriNetUnfolder]: 33/147 cut-off events. [2022-11-23 02:50:35,683 INFO L131 PetriNetUnfolder]: For 178/178 co-relation queries the response was YES. [2022-11-23 02:50:35,684 INFO L83 FinitePrefix]: Finished finitePrefix Result has 498 conditions, 147 events. 33/147 cut-off events. For 178/178 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 427 event pairs, 4 based on Foata normal form. 8/145 useless extension candidates. Maximal degree in co-relation 475. Up to 49 conditions per place. [2022-11-23 02:50:35,684 INFO L137 encePairwiseOnDemand]: 175/179 looper letters, 10 selfloop transitions, 4 changer transitions 0/63 dead transitions. [2022-11-23 02:50:35,685 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 63 transitions, 383 flow [2022-11-23 02:50:35,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:50:35,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-23 02:50:35,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 344 transitions. [2022-11-23 02:50:35,686 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6405959031657356 [2022-11-23 02:50:35,686 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 344 transitions. [2022-11-23 02:50:35,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 344 transitions. [2022-11-23 02:50:35,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:50:35,687 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 344 transitions. [2022-11-23 02:50:35,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:35,689 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:35,689 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:35,690 INFO L175 Difference]: Start difference. First operand has 84 places, 190 transitions, 1408 flow. Second operand 3 states and 344 transitions. [2022-11-23 02:50:35,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 63 transitions, 383 flow [2022-11-23 02:50:35,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 63 transitions, 281 flow, removed 29 selfloop flow, removed 20 redundant places. [2022-11-23 02:50:35,694 INFO L231 Difference]: Finished difference. Result has 63 places, 63 transitions, 261 flow [2022-11-23 02:50:35,694 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=253, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=261, PETRI_PLACES=63, PETRI_TRANSITIONS=63} [2022-11-23 02:50:35,695 INFO L288 CegarLoopForPetriNet]: 46 programPoint places, 17 predicate places. [2022-11-23 02:50:35,695 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 63 transitions, 261 flow [2022-11-23 02:50:35,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:35,695 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 02:50:35,695 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] [2022-11-23 02:50:35,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 02:50:35,696 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-23 02:50:35,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:50:35,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1563149095, now seen corresponding path program 1 times [2022-11-23 02:50:35,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:50:35,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977696493] [2022-11-23 02:50:35,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:50:35,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:50:35,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:50:35,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:50:35,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:50:35,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977696493] [2022-11-23 02:50:35,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977696493] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:50:35,984 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:50:35,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 02:50:35,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364292832] [2022-11-23 02:50:35,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:50:35,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 02:50:35,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:50:35,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 02:50:35,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 02:50:36,329 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 179 [2022-11-23 02:50:36,330 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 63 transitions, 261 flow. Second operand has 6 states, 6 states have (on average 99.5) internal successors, (597), 6 states have internal predecessors, (597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:36,330 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 02:50:36,330 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 179 [2022-11-23 02:50:36,330 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 02:50:36,490 INFO L130 PetriNetUnfolder]: 84/255 cut-off events. [2022-11-23 02:50:36,490 INFO L131 PetriNetUnfolder]: For 98/102 co-relation queries the response was YES. [2022-11-23 02:50:36,491 INFO L83 FinitePrefix]: Finished finitePrefix Result has 753 conditions, 255 events. 84/255 cut-off events. For 98/102 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 990 event pairs, 5 based on Foata normal form. 0/244 useless extension candidates. Maximal degree in co-relation 739. Up to 149 conditions per place. [2022-11-23 02:50:36,492 INFO L137 encePairwiseOnDemand]: 169/179 looper letters, 47 selfloop transitions, 25 changer transitions 17/103 dead transitions. [2022-11-23 02:50:36,493 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 103 transitions, 600 flow [2022-11-23 02:50:36,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 02:50:36,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-23 02:50:36,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 643 transitions. [2022-11-23 02:50:36,496 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5986964618249534 [2022-11-23 02:50:36,496 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 643 transitions. [2022-11-23 02:50:36,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 643 transitions. [2022-11-23 02:50:36,496 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:50:36,497 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 643 transitions. [2022-11-23 02:50:36,498 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 107.16666666666667) internal successors, (643), 6 states have internal predecessors, (643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:36,500 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 179.0) internal successors, (1253), 7 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:36,501 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 179.0) internal successors, (1253), 7 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:36,501 INFO L175 Difference]: Start difference. First operand has 63 places, 63 transitions, 261 flow. Second operand 6 states and 643 transitions. [2022-11-23 02:50:36,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 103 transitions, 600 flow [2022-11-23 02:50:36,504 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 103 transitions, 588 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-23 02:50:36,514 INFO L231 Difference]: Finished difference. Result has 72 places, 78 transitions, 438 flow [2022-11-23 02:50:36,515 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=257, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=438, PETRI_PLACES=72, PETRI_TRANSITIONS=78} [2022-11-23 02:50:36,515 INFO L288 CegarLoopForPetriNet]: 46 programPoint places, 26 predicate places. [2022-11-23 02:50:36,516 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 78 transitions, 438 flow [2022-11-23 02:50:36,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 99.5) internal successors, (597), 6 states have internal predecessors, (597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:36,516 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 02:50:36,517 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] [2022-11-23 02:50:36,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 02:50:36,517 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-23 02:50:36,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:50:36,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1065936822, now seen corresponding path program 1 times [2022-11-23 02:50:36,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:50:36,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547322938] [2022-11-23 02:50:36,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:50:36,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:50:36,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:50:37,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:50:37,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:50:37,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547322938] [2022-11-23 02:50:37,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547322938] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:50:37,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:50:37,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 02:50:37,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123473120] [2022-11-23 02:50:37,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:50:37,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-23 02:50:37,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:50:37,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-23 02:50:37,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-11-23 02:50:37,710 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 179 [2022-11-23 02:50:37,711 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 78 transitions, 438 flow. Second operand has 11 states, 11 states have (on average 80.36363636363636) internal successors, (884), 11 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:37,711 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 02:50:37,711 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 179 [2022-11-23 02:50:37,711 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 02:50:37,965 INFO L130 PetriNetUnfolder]: 83/246 cut-off events. [2022-11-23 02:50:37,965 INFO L131 PetriNetUnfolder]: For 227/227 co-relation queries the response was YES. [2022-11-23 02:50:37,966 INFO L83 FinitePrefix]: Finished finitePrefix Result has 929 conditions, 246 events. 83/246 cut-off events. For 227/227 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 919 event pairs, 27 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 910. Up to 99 conditions per place. [2022-11-23 02:50:37,967 INFO L137 encePairwiseOnDemand]: 170/179 looper letters, 68 selfloop transitions, 28 changer transitions 0/104 dead transitions. [2022-11-23 02:50:37,968 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 104 transitions, 820 flow [2022-11-23 02:50:37,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 02:50:37,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-11-23 02:50:37,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 753 transitions. [2022-11-23 02:50:37,971 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.46741154562383613 [2022-11-23 02:50:37,971 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 753 transitions. [2022-11-23 02:50:37,971 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 753 transitions. [2022-11-23 02:50:37,972 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:50:37,972 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 753 transitions. [2022-11-23 02:50:37,973 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 83.66666666666667) internal successors, (753), 9 states have internal predecessors, (753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:37,976 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 179.0) internal successors, (1790), 10 states have internal predecessors, (1790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:37,977 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 179.0) internal successors, (1790), 10 states have internal predecessors, (1790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:37,977 INFO L175 Difference]: Start difference. First operand has 72 places, 78 transitions, 438 flow. Second operand 9 states and 753 transitions. [2022-11-23 02:50:37,977 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 104 transitions, 820 flow [2022-11-23 02:50:37,981 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 104 transitions, 744 flow, removed 35 selfloop flow, removed 6 redundant places. [2022-11-23 02:50:37,983 INFO L231 Difference]: Finished difference. Result has 70 places, 77 transitions, 444 flow [2022-11-23 02:50:37,983 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=444, PETRI_PLACES=70, PETRI_TRANSITIONS=77} [2022-11-23 02:50:37,984 INFO L288 CegarLoopForPetriNet]: 46 programPoint places, 24 predicate places. [2022-11-23 02:50:37,984 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 77 transitions, 444 flow [2022-11-23 02:50:37,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 80.36363636363636) internal successors, (884), 11 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:37,985 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 02:50:37,985 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] [2022-11-23 02:50:37,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 02:50:37,986 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-23 02:50:37,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:50:37,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1338789116, now seen corresponding path program 1 times [2022-11-23 02:50:37,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:50:37,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392404828] [2022-11-23 02:50:37,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:50:37,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:50:38,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:50:38,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:50:38,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:50:38,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392404828] [2022-11-23 02:50:38,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392404828] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:50:38,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:50:38,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 02:50:38,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790720260] [2022-11-23 02:50:38,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:50:38,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-23 02:50:38,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:50:38,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-23 02:50:38,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-11-23 02:50:39,343 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 179 [2022-11-23 02:50:39,344 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 77 transitions, 444 flow. Second operand has 11 states, 11 states have (on average 94.63636363636364) internal successors, (1041), 11 states have internal predecessors, (1041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:39,344 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 02:50:39,344 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 179 [2022-11-23 02:50:39,345 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 02:50:39,659 INFO L130 PetriNetUnfolder]: 120/334 cut-off events. [2022-11-23 02:50:39,659 INFO L131 PetriNetUnfolder]: For 423/423 co-relation queries the response was YES. [2022-11-23 02:50:39,660 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1300 conditions, 334 events. 120/334 cut-off events. For 423/423 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1455 event pairs, 5 based on Foata normal form. 10/344 useless extension candidates. Maximal degree in co-relation 1284. Up to 105 conditions per place. [2022-11-23 02:50:39,662 INFO L137 encePairwiseOnDemand]: 170/179 looper letters, 45 selfloop transitions, 3 changer transitions 85/146 dead transitions. [2022-11-23 02:50:39,662 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 146 transitions, 1175 flow [2022-11-23 02:50:39,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-23 02:50:39,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-11-23 02:50:39,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 993 transitions. [2022-11-23 02:50:39,665 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5547486033519553 [2022-11-23 02:50:39,665 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 993 transitions. [2022-11-23 02:50:39,666 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 993 transitions. [2022-11-23 02:50:39,666 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:50:39,666 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 993 transitions. [2022-11-23 02:50:39,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 99.3) internal successors, (993), 10 states have internal predecessors, (993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:39,672 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 179.0) internal successors, (1969), 11 states have internal predecessors, (1969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:39,673 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 179.0) internal successors, (1969), 11 states have internal predecessors, (1969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:39,673 INFO L175 Difference]: Start difference. First operand has 70 places, 77 transitions, 444 flow. Second operand 10 states and 993 transitions. [2022-11-23 02:50:39,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 146 transitions, 1175 flow [2022-11-23 02:50:39,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 146 transitions, 1047 flow, removed 0 selfloop flow, removed 8 redundant places. [2022-11-23 02:50:39,679 INFO L231 Difference]: Finished difference. Result has 76 places, 58 transitions, 302 flow [2022-11-23 02:50:39,680 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=302, PETRI_PLACES=76, PETRI_TRANSITIONS=58} [2022-11-23 02:50:39,680 INFO L288 CegarLoopForPetriNet]: 46 programPoint places, 30 predicate places. [2022-11-23 02:50:39,680 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 58 transitions, 302 flow [2022-11-23 02:50:39,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 94.63636363636364) internal successors, (1041), 11 states have internal predecessors, (1041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:39,681 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 02:50:39,682 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] [2022-11-23 02:50:39,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-23 02:50:39,682 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-23 02:50:39,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:50:39,683 INFO L85 PathProgramCache]: Analyzing trace with hash -360664722, now seen corresponding path program 2 times [2022-11-23 02:50:39,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:50:39,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800248385] [2022-11-23 02:50:39,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:50:39,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:50:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:50:40,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:50:40,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:50:40,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800248385] [2022-11-23 02:50:40,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800248385] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:50:40,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:50:40,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 02:50:40,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897032140] [2022-11-23 02:50:40,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:50:40,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-23 02:50:40,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:50:40,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-23 02:50:40,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-11-23 02:50:40,987 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 179 [2022-11-23 02:50:40,989 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 58 transitions, 302 flow. Second operand has 11 states, 11 states have (on average 94.63636363636364) internal successors, (1041), 11 states have internal predecessors, (1041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:40,989 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 02:50:40,989 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 179 [2022-11-23 02:50:40,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 02:50:41,286 INFO L130 PetriNetUnfolder]: 40/152 cut-off events. [2022-11-23 02:50:41,286 INFO L131 PetriNetUnfolder]: For 204/205 co-relation queries the response was YES. [2022-11-23 02:50:41,286 INFO L83 FinitePrefix]: Finished finitePrefix Result has 549 conditions, 152 events. 40/152 cut-off events. For 204/205 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 420 event pairs, 5 based on Foata normal form. 6/158 useless extension candidates. Maximal degree in co-relation 528. Up to 94 conditions per place. [2022-11-23 02:50:41,287 INFO L137 encePairwiseOnDemand]: 170/179 looper letters, 40 selfloop transitions, 10 changer transitions 10/73 dead transitions. [2022-11-23 02:50:41,287 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 73 transitions, 497 flow [2022-11-23 02:50:41,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 02:50:41,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-11-23 02:50:41,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 882 transitions. [2022-11-23 02:50:41,291 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.547486033519553 [2022-11-23 02:50:41,291 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 882 transitions. [2022-11-23 02:50:41,291 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 882 transitions. [2022-11-23 02:50:41,292 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:50:41,292 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 882 transitions. [2022-11-23 02:50:41,294 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 98.0) internal successors, (882), 9 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:41,296 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 179.0) internal successors, (1790), 10 states have internal predecessors, (1790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:41,297 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 179.0) internal successors, (1790), 10 states have internal predecessors, (1790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:41,297 INFO L175 Difference]: Start difference. First operand has 76 places, 58 transitions, 302 flow. Second operand 9 states and 882 transitions. [2022-11-23 02:50:41,297 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 73 transitions, 497 flow [2022-11-23 02:50:41,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 73 transitions, 428 flow, removed 23 selfloop flow, removed 10 redundant places. [2022-11-23 02:50:41,301 INFO L231 Difference]: Finished difference. Result has 70 places, 58 transitions, 265 flow [2022-11-23 02:50:41,301 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=239, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=265, PETRI_PLACES=70, PETRI_TRANSITIONS=58} [2022-11-23 02:50:41,302 INFO L288 CegarLoopForPetriNet]: 46 programPoint places, 24 predicate places. [2022-11-23 02:50:41,302 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 58 transitions, 265 flow [2022-11-23 02:50:41,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 94.63636363636364) internal successors, (1041), 11 states have internal predecessors, (1041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:41,303 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 02:50:41,303 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] [2022-11-23 02:50:41,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-23 02:50:41,303 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-23 02:50:41,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:50:41,304 INFO L85 PathProgramCache]: Analyzing trace with hash 2058660742, now seen corresponding path program 3 times [2022-11-23 02:50:41,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:50:41,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057779850] [2022-11-23 02:50:41,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:50:41,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:50:41,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:50:41,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:50:41,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:50:41,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057779850] [2022-11-23 02:50:41,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057779850] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:50:41,819 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:50:41,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 02:50:41,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516074425] [2022-11-23 02:50:41,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:50:41,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-23 02:50:41,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:50:41,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-23 02:50:41,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-23 02:50:42,797 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 179 [2022-11-23 02:50:42,799 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 58 transitions, 265 flow. Second operand has 11 states, 11 states have (on average 94.63636363636364) internal successors, (1041), 11 states have internal predecessors, (1041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:42,799 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 02:50:42,799 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 179 [2022-11-23 02:50:42,799 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 02:50:43,123 INFO L130 PetriNetUnfolder]: 57/198 cut-off events. [2022-11-23 02:50:43,123 INFO L131 PetriNetUnfolder]: For 194/195 co-relation queries the response was YES. [2022-11-23 02:50:43,124 INFO L83 FinitePrefix]: Finished finitePrefix Result has 680 conditions, 198 events. 57/198 cut-off events. For 194/195 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 679 event pairs, 6 based on Foata normal form. 10/207 useless extension candidates. Maximal degree in co-relation 663. Up to 78 conditions per place. [2022-11-23 02:50:43,125 INFO L137 encePairwiseOnDemand]: 171/179 looper letters, 36 selfloop transitions, 4 changer transitions 55/108 dead transitions. [2022-11-23 02:50:43,125 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 108 transitions, 736 flow [2022-11-23 02:50:43,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 02:50:43,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-11-23 02:50:43,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 889 transitions. [2022-11-23 02:50:43,129 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5518311607697083 [2022-11-23 02:50:43,129 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 889 transitions. [2022-11-23 02:50:43,129 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 889 transitions. [2022-11-23 02:50:43,130 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:50:43,130 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 889 transitions. [2022-11-23 02:50:43,132 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 98.77777777777777) internal successors, (889), 9 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:43,136 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 179.0) internal successors, (1790), 10 states have internal predecessors, (1790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:43,137 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 179.0) internal successors, (1790), 10 states have internal predecessors, (1790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:43,137 INFO L175 Difference]: Start difference. First operand has 70 places, 58 transitions, 265 flow. Second operand 9 states and 889 transitions. [2022-11-23 02:50:43,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 108 transitions, 736 flow [2022-11-23 02:50:43,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 108 transitions, 698 flow, removed 1 selfloop flow, removed 8 redundant places. [2022-11-23 02:50:43,142 INFO L231 Difference]: Finished difference. Result has 73 places, 52 transitions, 247 flow [2022-11-23 02:50:43,142 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=243, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=247, PETRI_PLACES=73, PETRI_TRANSITIONS=52} [2022-11-23 02:50:43,143 INFO L288 CegarLoopForPetriNet]: 46 programPoint places, 27 predicate places. [2022-11-23 02:50:43,143 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 52 transitions, 247 flow [2022-11-23 02:50:43,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 94.63636363636364) internal successors, (1041), 11 states have internal predecessors, (1041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:43,144 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 02:50:43,144 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] [2022-11-23 02:50:43,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-23 02:50:43,144 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-23 02:50:43,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:50:43,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1828644702, now seen corresponding path program 4 times [2022-11-23 02:50:43,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:50:43,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355629249] [2022-11-23 02:50:43,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:50:43,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:50:43,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:50:43,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:50:43,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:50:43,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355629249] [2022-11-23 02:50:43,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355629249] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:50:43,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:50:43,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 02:50:43,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746147975] [2022-11-23 02:50:43,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:50:43,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-23 02:50:43,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:50:43,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-23 02:50:43,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-23 02:50:44,410 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 179 [2022-11-23 02:50:44,411 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 52 transitions, 247 flow. Second operand has 11 states, 11 states have (on average 94.63636363636364) internal successors, (1041), 11 states have internal predecessors, (1041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:44,412 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 02:50:44,412 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 179 [2022-11-23 02:50:44,412 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 02:50:44,759 INFO L130 PetriNetUnfolder]: 34/138 cut-off events. [2022-11-23 02:50:44,759 INFO L131 PetriNetUnfolder]: For 208/212 co-relation queries the response was YES. [2022-11-23 02:50:44,760 INFO L83 FinitePrefix]: Finished finitePrefix Result has 500 conditions, 138 events. 34/138 cut-off events. For 208/212 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 406 event pairs, 5 based on Foata normal form. 14/152 useless extension candidates. Maximal degree in co-relation 480. Up to 70 conditions per place. [2022-11-23 02:50:44,761 INFO L137 encePairwiseOnDemand]: 170/179 looper letters, 32 selfloop transitions, 9 changer transitions 27/81 dead transitions. [2022-11-23 02:50:44,761 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 81 transitions, 553 flow [2022-11-23 02:50:44,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-23 02:50:44,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-11-23 02:50:44,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 978 transitions. [2022-11-23 02:50:44,764 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5463687150837989 [2022-11-23 02:50:44,765 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 978 transitions. [2022-11-23 02:50:44,765 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 978 transitions. [2022-11-23 02:50:44,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:50:44,766 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 978 transitions. [2022-11-23 02:50:44,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 97.8) internal successors, (978), 10 states have internal predecessors, (978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:44,771 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 179.0) internal successors, (1969), 11 states have internal predecessors, (1969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:44,772 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 179.0) internal successors, (1969), 11 states have internal predecessors, (1969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:44,772 INFO L175 Difference]: Start difference. First operand has 73 places, 52 transitions, 247 flow. Second operand 10 states and 978 transitions. [2022-11-23 02:50:44,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 81 transitions, 553 flow [2022-11-23 02:50:44,774 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 81 transitions, 489 flow, removed 20 selfloop flow, removed 11 redundant places. [2022-11-23 02:50:44,776 INFO L231 Difference]: Finished difference. Result has 71 places, 52 transitions, 238 flow [2022-11-23 02:50:44,776 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=203, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=238, PETRI_PLACES=71, PETRI_TRANSITIONS=52} [2022-11-23 02:50:44,776 INFO L288 CegarLoopForPetriNet]: 46 programPoint places, 25 predicate places. [2022-11-23 02:50:44,777 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 52 transitions, 238 flow [2022-11-23 02:50:44,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 94.63636363636364) internal successors, (1041), 11 states have internal predecessors, (1041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:44,777 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 02:50:44,778 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] [2022-11-23 02:50:44,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-23 02:50:44,778 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-23 02:50:44,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:50:44,779 INFO L85 PathProgramCache]: Analyzing trace with hash -49073602, now seen corresponding path program 5 times [2022-11-23 02:50:44,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:50:44,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324040189] [2022-11-23 02:50:44,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:50:44,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:50:44,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:50:45,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:50:45,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:50:45,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324040189] [2022-11-23 02:50:45,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324040189] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:50:45,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:50:45,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 02:50:45,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011595839] [2022-11-23 02:50:45,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:50:45,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-23 02:50:45,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:50:45,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-23 02:50:45,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-23 02:50:46,089 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 179 [2022-11-23 02:50:46,090 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 52 transitions, 238 flow. Second operand has 11 states, 11 states have (on average 94.63636363636364) internal successors, (1041), 11 states have internal predecessors, (1041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:46,090 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 02:50:46,090 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 179 [2022-11-23 02:50:46,091 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 02:50:46,371 INFO L130 PetriNetUnfolder]: 18/87 cut-off events. [2022-11-23 02:50:46,372 INFO L131 PetriNetUnfolder]: For 119/119 co-relation queries the response was YES. [2022-11-23 02:50:46,372 INFO L83 FinitePrefix]: Finished finitePrefix Result has 301 conditions, 87 events. 18/87 cut-off events. For 119/119 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 148 event pairs, 0 based on Foata normal form. 10/97 useless extension candidates. Maximal degree in co-relation 284. Up to 23 conditions per place. [2022-11-23 02:50:46,372 INFO L137 encePairwiseOnDemand]: 171/179 looper letters, 0 selfloop transitions, 0 changer transitions 71/71 dead transitions. [2022-11-23 02:50:46,372 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 71 transitions, 460 flow [2022-11-23 02:50:46,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 02:50:46,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-11-23 02:50:46,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 878 transitions. [2022-11-23 02:50:46,376 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5450031036623215 [2022-11-23 02:50:46,376 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 878 transitions. [2022-11-23 02:50:46,376 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 878 transitions. [2022-11-23 02:50:46,377 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:50:46,377 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 878 transitions. [2022-11-23 02:50:46,379 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 97.55555555555556) internal successors, (878), 9 states have internal predecessors, (878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:46,382 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 179.0) internal successors, (1790), 10 states have internal predecessors, (1790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:46,383 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 179.0) internal successors, (1790), 10 states have internal predecessors, (1790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:46,383 INFO L175 Difference]: Start difference. First operand has 71 places, 52 transitions, 238 flow. Second operand 9 states and 878 transitions. [2022-11-23 02:50:46,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 71 transitions, 460 flow [2022-11-23 02:50:46,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 71 transitions, 407 flow, removed 14 selfloop flow, removed 9 redundant places. [2022-11-23 02:50:46,385 INFO L231 Difference]: Finished difference. Result has 67 places, 0 transitions, 0 flow [2022-11-23 02:50:46,386 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=0, PETRI_PLACES=67, PETRI_TRANSITIONS=0} [2022-11-23 02:50:46,387 INFO L288 CegarLoopForPetriNet]: 46 programPoint places, 21 predicate places. [2022-11-23 02:50:46,387 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 0 transitions, 0 flow [2022-11-23 02:50:46,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 94.63636363636364) internal successors, (1041), 11 states have internal predecessors, (1041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:50:46,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2022-11-23 02:50:46,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2022-11-23 02:50:46,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2022-11-23 02:50:46,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2022-11-23 02:50:46,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2022-11-23 02:50:46,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2022-11-23 02:50:46,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2022-11-23 02:50:46,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2022-11-23 02:50:46,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2022-11-23 02:50:46,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-23 02:50:46,395 INFO L444 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:50:46,402 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-23 02:50:46,402 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 02:50:46,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:50:46 BasicIcfg [2022-11-23 02:50:46,408 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 02:50:46,408 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 02:50:46,409 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 02:50:46,409 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 02:50:46,409 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:50:26" (3/4) ... [2022-11-23 02:50:46,412 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 02:50:46,419 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-23 02:50:46,426 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-23 02:50:46,427 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-23 02:50:46,427 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-23 02:50:46,471 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af5f8aa-8cd0-444f-851f-bebc64d8291e/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 02:50:46,471 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 02:50:46,472 INFO L158 Benchmark]: Toolchain (without parser) took 20952.89ms. Allocated memory was 144.7MB in the beginning and 255.9MB in the end (delta: 111.1MB). Free memory was 99.4MB in the beginning and 203.0MB in the end (delta: -103.6MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2022-11-23 02:50:46,472 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 144.7MB. Free memory is still 114.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:50:46,472 INFO L158 Benchmark]: CACSL2BoogieTranslator took 660.20ms. Allocated memory is still 144.7MB. Free memory was 98.9MB in the beginning and 71.6MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-23 02:50:46,473 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.53ms. Allocated memory is still 144.7MB. Free memory was 71.6MB in the beginning and 69.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:50:46,473 INFO L158 Benchmark]: Boogie Preprocessor took 57.50ms. Allocated memory is still 144.7MB. Free memory was 69.0MB in the beginning and 66.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:50:46,474 INFO L158 Benchmark]: RCFGBuilder took 681.32ms. Allocated memory is still 144.7MB. Free memory was 66.9MB in the beginning and 49.6MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-23 02:50:46,474 INFO L158 Benchmark]: TraceAbstraction took 19411.01ms. Allocated memory was 144.7MB in the beginning and 255.9MB in the end (delta: 111.1MB). Free memory was 49.1MB in the beginning and 205.1MB in the end (delta: -156.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:50:46,474 INFO L158 Benchmark]: Witness Printer took 62.52ms. Allocated memory is still 255.9MB. Free memory was 205.1MB in the beginning and 203.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:50:46,476 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 144.7MB. Free memory is still 114.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 660.20ms. Allocated memory is still 144.7MB. Free memory was 98.9MB in the beginning and 71.6MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.53ms. Allocated memory is still 144.7MB. Free memory was 71.6MB in the beginning and 69.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.50ms. Allocated memory is still 144.7MB. Free memory was 69.0MB in the beginning and 66.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 681.32ms. Allocated memory is still 144.7MB. Free memory was 66.9MB in the beginning and 49.6MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 19411.01ms. Allocated memory was 144.7MB in the beginning and 255.9MB in the end (delta: 111.1MB). Free memory was 49.1MB in the beginning and 205.1MB in the end (delta: -156.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 62.52ms. Allocated memory is still 255.9MB. Free memory was 205.1MB in the beginning and 203.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.2s, 103 PlacesBefore, 46 PlacesAfterwards, 99 TransitionsBefore, 42 TransitionsAfterwards, 1612 CoEnabledTransitionPairs, 6 FixpointIterations, 44 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 62 TotalNumberOfCompositions, 10553 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2188, independent: 1690, independent conditional: 0, independent unconditional: 1690, dependent: 498, dependent conditional: 0, dependent unconditional: 498, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 906, independent: 781, independent conditional: 0, independent unconditional: 781, dependent: 125, dependent conditional: 0, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 906, independent: 746, independent conditional: 0, independent unconditional: 746, dependent: 160, dependent conditional: 0, dependent unconditional: 160, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 160, independent: 35, independent conditional: 0, independent unconditional: 35, dependent: 125, dependent conditional: 0, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 523, independent: 105, independent conditional: 0, independent unconditional: 105, dependent: 418, dependent conditional: 0, dependent unconditional: 418, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2188, independent: 909, independent conditional: 0, independent unconditional: 909, dependent: 373, dependent conditional: 0, dependent unconditional: 373, unknown: 906, unknown conditional: 0, unknown unconditional: 906] , Statistics on independence cache: Total cache size (in pairs): 266, Positive cache size: 202, Positive conditional cache size: 0, Positive unconditional cache size: 202, Negative cache size: 64, Negative conditional cache size: 0, Negative unconditional cache size: 64, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 936]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 936]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 938]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 924]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 145 locations, 9 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 19.2s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 9.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3080 SdHoareTripleChecker+Valid, 7.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2291 mSDsluCounter, 1420 SdHoareTripleChecker+Invalid, 6.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1297 mSDsCounter, 846 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8313 IncrementalHoareTripleChecker+Invalid, 9159 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 846 mSolverCounterUnsat, 123 mSDtfsCounter, 8313 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1408occurred in iteration=5, InterpolantAutomatonStates: 91, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 275 NumberOfCodeBlocks, 275 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 262 ConstructedInterpolants, 0 QuantifiedInterpolants, 3168 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-23 02:50:46,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af5f8aa-8cd0-444f-851f-bebc64d8291e/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE