./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_03-list2_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 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_98e95477-eec6-4297-a4f8-cfe7097b89c2/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e95477-eec6-4297-a4f8-cfe7097b89c2/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e95477-eec6-4297-a4f8-cfe7097b89c2/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e95477-eec6-4297-a4f8-cfe7097b89c2/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_03-list2_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e95477-eec6-4297-a4f8-cfe7097b89c2/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e95477-eec6-4297-a4f8-cfe7097b89c2/bin/uautomizer-uyxdKDjOR8 --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 8fabb88ade703ed67646ecdb87c815e5ac82dedce1b2b43f0f0859c8695912d8 --- 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-2329fc7 [2022-12-13 17:17:44,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 17:17:44,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 17:17:44,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 17:17:44,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 17:17:44,567 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 17:17:44,568 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 17:17:44,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 17:17:44,570 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 17:17:44,571 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 17:17:44,572 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 17:17:44,573 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 17:17:44,573 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 17:17:44,574 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 17:17:44,575 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 17:17:44,576 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 17:17:44,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 17:17:44,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 17:17:44,579 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 17:17:44,581 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 17:17:44,582 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 17:17:44,583 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 17:17:44,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 17:17:44,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 17:17:44,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 17:17:44,588 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 17:17:44,588 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 17:17:44,589 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 17:17:44,589 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 17:17:44,590 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 17:17:44,590 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 17:17:44,591 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 17:17:44,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 17:17:44,593 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 17:17:44,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 17:17:44,594 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 17:17:44,594 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 17:17:44,595 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 17:17:44,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 17:17:44,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 17:17:44,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 17:17:44,597 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e95477-eec6-4297-a4f8-cfe7097b89c2/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 17:17:44,617 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 17:17:44,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 17:17:44,622 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 17:17:44,623 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 17:17:44,623 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 17:17:44,624 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 17:17:44,624 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 17:17:44,624 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 17:17:44,625 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 17:17:44,625 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 17:17:44,625 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 17:17:44,625 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 17:17:44,625 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 17:17:44,626 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 17:17:44,626 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 17:17:44,626 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 17:17:44,626 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 17:17:44,626 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 17:17:44,626 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 17:17:44,627 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 17:17:44,627 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 17:17:44,627 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 17:17:44,627 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 17:17:44,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 17:17:44,627 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 17:17:44,628 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 17:17:44,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:17:44,628 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 17:17:44,628 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 17:17:44,628 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 17:17:44,629 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 17:17:44,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 17:17:44,629 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 17:17:44,629 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 17:17:44,629 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 17:17:44,629 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 17:17:44,630 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 17:17:44,630 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_98e95477-eec6-4297-a4f8-cfe7097b89c2/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e95477-eec6-4297-a4f8-cfe7097b89c2/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8fabb88ade703ed67646ecdb87c815e5ac82dedce1b2b43f0f0859c8695912d8 [2022-12-13 17:17:44,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 17:17:44,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 17:17:44,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 17:17:44,815 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 17:17:44,816 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 17:17:44,817 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e95477-eec6-4297-a4f8-cfe7097b89c2/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/goblint-regression/09-regions_03-list2_rc.i [2022-12-13 17:17:47,434 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 17:17:47,664 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 17:17:47,665 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e95477-eec6-4297-a4f8-cfe7097b89c2/sv-benchmarks/c/goblint-regression/09-regions_03-list2_rc.i [2022-12-13 17:17:47,679 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e95477-eec6-4297-a4f8-cfe7097b89c2/bin/uautomizer-uyxdKDjOR8/data/1ab04a775/bf05368407754fca8b6dc518c843305d/FLAG8ab0a0dce [2022-12-13 17:17:47,693 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e95477-eec6-4297-a4f8-cfe7097b89c2/bin/uautomizer-uyxdKDjOR8/data/1ab04a775/bf05368407754fca8b6dc518c843305d [2022-12-13 17:17:47,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 17:17:47,697 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 17:17:47,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 17:17:47,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 17:17:47,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 17:17:47,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:17:47" (1/1) ... [2022-12-13 17:17:47,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@688cecfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:17:47, skipping insertion in model container [2022-12-13 17:17:47,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:17:47" (1/1) ... [2022-12-13 17:17:47,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 17:17:47,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 17:17:48,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:17:48,228 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 17:17:48,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:17:48,327 INFO L208 MainTranslator]: Completed translation [2022-12-13 17:17:48,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:17:48 WrapperNode [2022-12-13 17:17:48,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 17:17:48,329 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 17:17:48,329 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 17:17:48,329 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 17:17:48,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:17:48" (1/1) ... [2022-12-13 17:17:48,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:17:48" (1/1) ... [2022-12-13 17:17:48,381 INFO L138 Inliner]: procedures = 368, calls = 43, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 174 [2022-12-13 17:17:48,382 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 17:17:48,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 17:17:48,383 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 17:17:48,383 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 17:17:48,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:17:48" (1/1) ... [2022-12-13 17:17:48,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:17:48" (1/1) ... [2022-12-13 17:17:48,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:17:48" (1/1) ... [2022-12-13 17:17:48,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:17:48" (1/1) ... [2022-12-13 17:17:48,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:17:48" (1/1) ... [2022-12-13 17:17:48,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:17:48" (1/1) ... [2022-12-13 17:17:48,419 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:17:48" (1/1) ... [2022-12-13 17:17:48,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:17:48" (1/1) ... [2022-12-13 17:17:48,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 17:17:48,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 17:17:48,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 17:17:48,425 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 17:17:48,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:17:48" (1/1) ... [2022-12-13 17:17:48,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:17:48,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e95477-eec6-4297-a4f8-cfe7097b89c2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:17:48,454 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e95477-eec6-4297-a4f8-cfe7097b89c2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 17:17:48,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e95477-eec6-4297-a4f8-cfe7097b89c2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 17:17:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 17:17:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 17:17:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 17:17:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 17:17:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 17:17:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 17:17:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 17:17:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 17:17:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 17:17:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 17:17:48,490 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 17:17:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 17:17:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 17:17:48,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 17:17:48,492 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 17:17:48,611 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 17:17:48,613 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 17:17:48,978 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 17:17:48,988 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 17:17:48,988 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 17:17:48,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:17:48 BoogieIcfgContainer [2022-12-13 17:17:48,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 17:17:48,993 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 17:17:48,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 17:17:48,997 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 17:17:48,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 05:17:47" (1/3) ... [2022-12-13 17:17:48,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@97e0949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:17:48, skipping insertion in model container [2022-12-13 17:17:48,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:17:48" (2/3) ... [2022-12-13 17:17:48,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@97e0949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:17:48, skipping insertion in model container [2022-12-13 17:17:48,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:17:48" (3/3) ... [2022-12-13 17:17:49,000 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_03-list2_rc.i [2022-12-13 17:17:49,008 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 17:17:49,018 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 17:17:49,018 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-12-13 17:17:49,018 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 17:17:49,084 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 17:17:49,119 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 280 places, 276 transitions, 557 flow [2022-12-13 17:17:49,232 INFO L130 PetriNetUnfolder]: 0/275 cut-off events. [2022-12-13 17:17:49,233 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 17:17:49,235 INFO L83 FinitePrefix]: Finished finitePrefix Result has 279 conditions, 275 events. 0/275 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 155 event pairs, 0 based on Foata normal form. 0/247 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-13 17:17:49,236 INFO L82 GeneralOperation]: Start removeDead. Operand has 280 places, 276 transitions, 557 flow [2022-12-13 17:17:49,240 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 279 places, 275 transitions, 553 flow [2022-12-13 17:17:49,243 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 17:17:49,251 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 279 places, 275 transitions, 553 flow [2022-12-13 17:17:49,253 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 279 places, 275 transitions, 553 flow [2022-12-13 17:17:49,253 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 279 places, 275 transitions, 553 flow [2022-12-13 17:17:49,301 INFO L130 PetriNetUnfolder]: 0/275 cut-off events. [2022-12-13 17:17:49,301 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 17:17:49,302 INFO L83 FinitePrefix]: Finished finitePrefix Result has 279 conditions, 275 events. 0/275 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 155 event pairs, 0 based on Foata normal form. 0/247 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-13 17:17:49,304 INFO L119 LiptonReduction]: Number of co-enabled transitions 7728 [2022-12-13 17:19:04,764 WARN L233 SmtUtils]: Spent 47.36s on a formula simplification. DAG size of input: 183 DAG size of output: 181 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 17:19:22,669 WARN L233 SmtUtils]: Spent 17.90s on a formula simplification that was a NOOP. DAG size: 171 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 17:20:03,375 WARN L233 SmtUtils]: Spent 40.70s on a formula simplification. DAG size of input: 183 DAG size of output: 181 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 17:20:11,846 WARN L233 SmtUtils]: Spent 8.47s on a formula simplification that was a NOOP. DAG size: 171 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 17:20:24,251 WARN L233 SmtUtils]: Spent 12.11s on a formula simplification that was a NOOP. DAG size: 156 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 17:20:29,785 WARN L233 SmtUtils]: Spent 5.53s on a formula simplification that was a NOOP. DAG size: 144 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 17:20:37,927 WARN L233 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 156 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 17:20:44,238 WARN L233 SmtUtils]: Spent 6.31s on a formula simplification that was a NOOP. DAG size: 144 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 17:20:58,845 WARN L233 SmtUtils]: Spent 14.59s on a formula simplification that was a NOOP. DAG size: 234 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 17:21:04,435 WARN L233 SmtUtils]: Spent 5.59s on a formula simplification that was a NOOP. DAG size: 220 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 17:21:10,209 WARN L233 SmtUtils]: Spent 5.77s on a formula simplification that was a NOOP. DAG size: 234 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 17:21:22,830 WARN L233 SmtUtils]: Spent 12.62s on a formula simplification that was a NOOP. DAG size: 220 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 17:23:39,716 WARN L233 SmtUtils]: Spent 2.28m on a formula simplification that was a NOOP. DAG size: 368 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 17:24:56,724 WARN L233 SmtUtils]: Spent 1.28m on a formula simplification that was a NOOP. DAG size: 329 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 17:26:08,247 WARN L233 SmtUtils]: Spent 1.19m on a formula simplification that was a NOOP. DAG size: 368 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 17:26:27,109 WARN L233 SmtUtils]: Spent 18.86s on a formula simplification that was a NOOP. DAG size: 329 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 17:26:27,119 INFO L134 LiptonReduction]: Checked pairs total: 81833 [2022-12-13 17:26:27,120 INFO L136 LiptonReduction]: Total number of compositions: 243 [2022-12-13 17:26:27,130 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 17:26:27,133 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;@698a6dcc, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 17:26:27,133 INFO L358 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2022-12-13 17:26:27,134 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 17:26:27,134 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 17:26:27,134 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:26:27,135 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 17:26:27,135 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-13 17:26:27,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:26:27,139 INFO L85 PathProgramCache]: Analyzing trace with hash 883, now seen corresponding path program 1 times [2022-12-13 17:26:27,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:26:27,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975291511] [2022-12-13 17:26:27,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:26:27,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:26:27,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:26:27,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:26:27,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:26:27,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975291511] [2022-12-13 17:26:27,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975291511] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:26:27,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:26:27,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 17:26:27,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491452283] [2022-12-13 17:26:27,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:26:27,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 17:26:27,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:26:27,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 17:26:27,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 17:26:27,246 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 275 out of 519 [2022-12-13 17:26:27,248 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 102 transitions, 207 flow. Second operand has 2 states, 2 states have (on average 275.5) internal successors, (551), 2 states have internal predecessors, (551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:27,249 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:26:27,249 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 275 of 519 [2022-12-13 17:26:27,249 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:26:27,627 INFO L130 PetriNetUnfolder]: 140/708 cut-off events. [2022-12-13 17:26:27,627 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 17:26:27,630 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1019 conditions, 708 events. 140/708 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 4002 event pairs, 140 based on Foata normal form. 0/659 useless extension candidates. Maximal degree in co-relation 1010. Up to 307 conditions per place. [2022-12-13 17:26:27,641 INFO L137 encePairwiseOnDemand]: 505/519 looper letters, 26 selfloop transitions, 0 changer transitions 0/88 dead transitions. [2022-12-13 17:26:27,641 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 88 transitions, 231 flow [2022-12-13 17:26:27,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 17:26:27,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 17:26:27,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 590 transitions. [2022-12-13 17:26:27,652 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5684007707129094 [2022-12-13 17:26:27,653 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 590 transitions. [2022-12-13 17:26:27,653 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 590 transitions. [2022-12-13 17:26:27,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:26:27,656 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 590 transitions. [2022-12-13 17:26:27,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 295.0) internal successors, (590), 2 states have internal predecessors, (590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:27,667 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 519.0) internal successors, (1557), 3 states have internal predecessors, (1557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:27,668 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 519.0) internal successors, (1557), 3 states have internal predecessors, (1557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:27,670 INFO L175 Difference]: Start difference. First operand has 106 places, 102 transitions, 207 flow. Second operand 2 states and 590 transitions. [2022-12-13 17:26:27,671 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 88 transitions, 231 flow [2022-12-13 17:26:27,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 88 transitions, 230 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 17:26:27,676 INFO L231 Difference]: Finished difference. Result has 92 places, 88 transitions, 178 flow [2022-12-13 17:26:27,678 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=519, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=178, PETRI_PLACES=92, PETRI_TRANSITIONS=88} [2022-12-13 17:26:27,682 INFO L288 CegarLoopForPetriNet]: 106 programPoint places, -14 predicate places. [2022-12-13 17:26:27,682 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 88 transitions, 178 flow [2022-12-13 17:26:27,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 275.5) internal successors, (551), 2 states have internal predecessors, (551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:27,682 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:26:27,682 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 17:26:27,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 17:26:27,683 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-13 17:26:27,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:26:27,683 INFO L85 PathProgramCache]: Analyzing trace with hash 847743804, now seen corresponding path program 1 times [2022-12-13 17:26:27,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:26:27,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911231104] [2022-12-13 17:26:27,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:26:27,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:26:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:26:27,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:26:27,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:26:27,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911231104] [2022-12-13 17:26:27,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911231104] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:26:27,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:26:27,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 17:26:27,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743283504] [2022-12-13 17:26:27,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:26:27,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:26:27,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:26:27,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:26:27,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:26:27,896 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 262 out of 519 [2022-12-13 17:26:27,898 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 88 transitions, 178 flow. Second operand has 3 states, 3 states have (on average 263.6666666666667) internal successors, (791), 3 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:27,898 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:26:27,898 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 262 of 519 [2022-12-13 17:26:27,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:26:28,342 INFO L130 PetriNetUnfolder]: 154/768 cut-off events. [2022-12-13 17:26:28,343 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 17:26:28,344 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1108 conditions, 768 events. 154/768 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 4419 event pairs, 154 based on Foata normal form. 0/718 useless extension candidates. Maximal degree in co-relation 1105. Up to 335 conditions per place. [2022-12-13 17:26:28,346 INFO L137 encePairwiseOnDemand]: 516/519 looper letters, 26 selfloop transitions, 1 changer transitions 0/86 dead transitions. [2022-12-13 17:26:28,346 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 86 transitions, 228 flow [2022-12-13 17:26:28,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:26:28,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 17:26:28,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 815 transitions. [2022-12-13 17:26:28,349 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5234425176621709 [2022-12-13 17:26:28,349 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 815 transitions. [2022-12-13 17:26:28,349 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 815 transitions. [2022-12-13 17:26:28,349 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:26:28,349 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 815 transitions. [2022-12-13 17:26:28,351 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 271.6666666666667) internal successors, (815), 3 states have internal predecessors, (815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:28,353 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 519.0) internal successors, (2076), 4 states have internal predecessors, (2076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:28,353 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 519.0) internal successors, (2076), 4 states have internal predecessors, (2076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:28,354 INFO L175 Difference]: Start difference. First operand has 92 places, 88 transitions, 178 flow. Second operand 3 states and 815 transitions. [2022-12-13 17:26:28,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 86 transitions, 228 flow [2022-12-13 17:26:28,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 86 transitions, 228 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 17:26:28,355 INFO L231 Difference]: Finished difference. Result has 92 places, 86 transitions, 176 flow [2022-12-13 17:26:28,355 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=519, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=176, PETRI_PLACES=92, PETRI_TRANSITIONS=86} [2022-12-13 17:26:28,356 INFO L288 CegarLoopForPetriNet]: 106 programPoint places, -14 predicate places. [2022-12-13 17:26:28,356 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 86 transitions, 176 flow [2022-12-13 17:26:28,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 263.6666666666667) internal successors, (791), 3 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:28,356 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:26:28,356 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:26:28,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 17:26:28,357 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-13 17:26:28,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:26:28,357 INFO L85 PathProgramCache]: Analyzing trace with hash 141069109, now seen corresponding path program 1 times [2022-12-13 17:26:28,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:26:28,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892253093] [2022-12-13 17:26:28,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:26:28,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:26:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:26:28,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:26:28,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:26:28,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892253093] [2022-12-13 17:26:28,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892253093] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:26:28,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:26:28,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 17:26:28,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429951559] [2022-12-13 17:26:28,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:26:28,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 17:26:28,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:26:28,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 17:26:28,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 17:26:29,439 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 519 [2022-12-13 17:26:29,441 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 86 transitions, 176 flow. Second operand has 6 states, 6 states have (on average 221.66666666666666) internal successors, (1330), 6 states have internal predecessors, (1330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:29,441 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:26:29,441 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 519 [2022-12-13 17:26:29,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:26:30,445 INFO L130 PetriNetUnfolder]: 503/1854 cut-off events. [2022-12-13 17:26:30,445 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 17:26:30,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2935 conditions, 1854 events. 503/1854 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 12579 event pairs, 61 based on Foata normal form. 0/1744 useless extension candidates. Maximal degree in co-relation 2931. Up to 538 conditions per place. [2022-12-13 17:26:30,452 INFO L137 encePairwiseOnDemand]: 500/519 looper letters, 110 selfloop transitions, 38 changer transitions 0/192 dead transitions. [2022-12-13 17:26:30,452 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 192 transitions, 684 flow [2022-12-13 17:26:30,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 17:26:30,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 17:26:30,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1470 transitions. [2022-12-13 17:26:30,455 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4720616570327553 [2022-12-13 17:26:30,455 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1470 transitions. [2022-12-13 17:26:30,455 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1470 transitions. [2022-12-13 17:26:30,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:26:30,455 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1470 transitions. [2022-12-13 17:26:30,457 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 245.0) internal successors, (1470), 6 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:30,461 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 519.0) internal successors, (3633), 7 states have internal predecessors, (3633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:30,462 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 519.0) internal successors, (3633), 7 states have internal predecessors, (3633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:30,462 INFO L175 Difference]: Start difference. First operand has 92 places, 86 transitions, 176 flow. Second operand 6 states and 1470 transitions. [2022-12-13 17:26:30,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 192 transitions, 684 flow [2022-12-13 17:26:30,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 192 transitions, 683 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 17:26:30,465 INFO L231 Difference]: Finished difference. Result has 100 places, 122 transitions, 433 flow [2022-12-13 17:26:30,466 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=519, PETRI_DIFFERENCE_MINUEND_FLOW=173, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=433, PETRI_PLACES=100, PETRI_TRANSITIONS=122} [2022-12-13 17:26:30,466 INFO L288 CegarLoopForPetriNet]: 106 programPoint places, -6 predicate places. [2022-12-13 17:26:30,466 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 122 transitions, 433 flow [2022-12-13 17:26:30,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 221.66666666666666) internal successors, (1330), 6 states have internal predecessors, (1330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:30,467 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:26:30,467 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:26:30,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 17:26:30,467 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-13 17:26:30,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:26:30,468 INFO L85 PathProgramCache]: Analyzing trace with hash 792574069, now seen corresponding path program 1 times [2022-12-13 17:26:30,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:26:30,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693231143] [2022-12-13 17:26:30,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:26:30,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:26:30,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:26:30,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:26:30,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:26:30,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693231143] [2022-12-13 17:26:30,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693231143] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:26:30,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:26:30,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 17:26:30,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232951415] [2022-12-13 17:26:30,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:26:30,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 17:26:30,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:26:30,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 17:26:30,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 17:26:31,405 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 519 [2022-12-13 17:26:31,408 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 122 transitions, 433 flow. Second operand has 6 states, 6 states have (on average 227.83333333333334) internal successors, (1367), 6 states have internal predecessors, (1367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:31,408 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:26:31,408 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 519 [2022-12-13 17:26:31,408 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:26:32,350 INFO L130 PetriNetUnfolder]: 413/1673 cut-off events. [2022-12-13 17:26:32,350 INFO L131 PetriNetUnfolder]: For 305/318 co-relation queries the response was YES. [2022-12-13 17:26:32,353 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3075 conditions, 1673 events. 413/1673 cut-off events. For 305/318 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 11726 event pairs, 231 based on Foata normal form. 3/1548 useless extension candidates. Maximal degree in co-relation 3067. Up to 758 conditions per place. [2022-12-13 17:26:32,356 INFO L137 encePairwiseOnDemand]: 513/519 looper letters, 101 selfloop transitions, 5 changer transitions 0/161 dead transitions. [2022-12-13 17:26:32,357 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 161 transitions, 731 flow [2022-12-13 17:26:32,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 17:26:32,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 17:26:32,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1434 transitions. [2022-12-13 17:26:32,359 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4605009633911368 [2022-12-13 17:26:32,359 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1434 transitions. [2022-12-13 17:26:32,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1434 transitions. [2022-12-13 17:26:32,360 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:26:32,360 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1434 transitions. [2022-12-13 17:26:32,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:32,365 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 519.0) internal successors, (3633), 7 states have internal predecessors, (3633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:32,366 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 519.0) internal successors, (3633), 7 states have internal predecessors, (3633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:32,366 INFO L175 Difference]: Start difference. First operand has 100 places, 122 transitions, 433 flow. Second operand 6 states and 1434 transitions. [2022-12-13 17:26:32,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 161 transitions, 731 flow [2022-12-13 17:26:32,370 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 161 transitions, 731 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 17:26:32,372 INFO L231 Difference]: Finished difference. Result has 104 places, 121 transitions, 441 flow [2022-12-13 17:26:32,372 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=519, PETRI_DIFFERENCE_MINUEND_FLOW=431, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=441, PETRI_PLACES=104, PETRI_TRANSITIONS=121} [2022-12-13 17:26:32,373 INFO L288 CegarLoopForPetriNet]: 106 programPoint places, -2 predicate places. [2022-12-13 17:26:32,373 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 121 transitions, 441 flow [2022-12-13 17:26:32,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 227.83333333333334) internal successors, (1367), 6 states have internal predecessors, (1367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:32,374 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:26:32,374 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:26:32,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 17:26:32,374 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-13 17:26:32,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:26:32,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1732903083, now seen corresponding path program 1 times [2022-12-13 17:26:32,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:26:32,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990545578] [2022-12-13 17:26:32,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:26:32,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:26:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:26:32,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:26:32,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:26:32,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990545578] [2022-12-13 17:26:32,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990545578] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:26:32,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:26:32,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 17:26:32,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554128830] [2022-12-13 17:26:32,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:26:32,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 17:26:32,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:26:32,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 17:26:32,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 17:26:33,336 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 519 [2022-12-13 17:26:33,338 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 121 transitions, 441 flow. Second operand has 6 states, 6 states have (on average 220.83333333333334) internal successors, (1325), 6 states have internal predecessors, (1325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:33,338 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:26:33,338 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 519 [2022-12-13 17:26:33,338 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:26:35,427 INFO L130 PetriNetUnfolder]: 816/2676 cut-off events. [2022-12-13 17:26:35,427 INFO L131 PetriNetUnfolder]: For 659/671 co-relation queries the response was YES. [2022-12-13 17:26:35,429 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5270 conditions, 2676 events. 816/2676 cut-off events. For 659/671 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 19367 event pairs, 147 based on Foata normal form. 3/2509 useless extension candidates. Maximal degree in co-relation 5261. Up to 1024 conditions per place. [2022-12-13 17:26:35,436 INFO L137 encePairwiseOnDemand]: 498/519 looper letters, 119 selfloop transitions, 71 changer transitions 0/240 dead transitions. [2022-12-13 17:26:35,436 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 240 transitions, 1251 flow [2022-12-13 17:26:35,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 17:26:35,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 17:26:35,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1449 transitions. [2022-12-13 17:26:35,439 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4653179190751445 [2022-12-13 17:26:35,439 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1449 transitions. [2022-12-13 17:26:35,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1449 transitions. [2022-12-13 17:26:35,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:26:35,440 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1449 transitions. [2022-12-13 17:26:35,442 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 241.5) internal successors, (1449), 6 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:35,445 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 519.0) internal successors, (3633), 7 states have internal predecessors, (3633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:35,446 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 519.0) internal successors, (3633), 7 states have internal predecessors, (3633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:35,446 INFO L175 Difference]: Start difference. First operand has 104 places, 121 transitions, 441 flow. Second operand 6 states and 1449 transitions. [2022-12-13 17:26:35,446 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 240 transitions, 1251 flow [2022-12-13 17:26:35,449 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 240 transitions, 1233 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 17:26:35,452 INFO L231 Difference]: Finished difference. Result has 109 places, 190 transitions, 1089 flow [2022-12-13 17:26:35,453 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=519, PETRI_DIFFERENCE_MINUEND_FLOW=431, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1089, PETRI_PLACES=109, PETRI_TRANSITIONS=190} [2022-12-13 17:26:35,453 INFO L288 CegarLoopForPetriNet]: 106 programPoint places, 3 predicate places. [2022-12-13 17:26:35,453 INFO L495 AbstractCegarLoop]: Abstraction has has 109 places, 190 transitions, 1089 flow [2022-12-13 17:26:35,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 220.83333333333334) internal successors, (1325), 6 states have internal predecessors, (1325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:35,454 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:26:35,454 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] [2022-12-13 17:26:35,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 17:26:35,455 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-13 17:26:35,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:26:35,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1431098594, now seen corresponding path program 1 times [2022-12-13 17:26:35,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:26:35,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078758617] [2022-12-13 17:26:35,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:26:35,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:26:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:26:35,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:26:35,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:26:35,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078758617] [2022-12-13 17:26:35,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078758617] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:26:35,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:26:35,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 17:26:35,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944662982] [2022-12-13 17:26:35,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:26:35,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:26:35,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:26:35,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:26:35,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:26:35,545 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 262 out of 519 [2022-12-13 17:26:35,546 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 190 transitions, 1089 flow. Second operand has 3 states, 3 states have (on average 265.0) internal successors, (795), 3 states have internal predecessors, (795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:35,546 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:26:35,547 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 262 of 519 [2022-12-13 17:26:35,547 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:26:36,134 INFO L130 PetriNetUnfolder]: 612/2363 cut-off events. [2022-12-13 17:26:36,134 INFO L131 PetriNetUnfolder]: For 1348/1391 co-relation queries the response was YES. [2022-12-13 17:26:36,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5488 conditions, 2363 events. 612/2363 cut-off events. For 1348/1391 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 17516 event pairs, 275 based on Foata normal form. 10/2255 useless extension candidates. Maximal degree in co-relation 5475. Up to 993 conditions per place. [2022-12-13 17:26:36,142 INFO L137 encePairwiseOnDemand]: 516/519 looper letters, 48 selfloop transitions, 1 changer transitions 0/188 dead transitions. [2022-12-13 17:26:36,142 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 188 transitions, 1183 flow [2022-12-13 17:26:36,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:26:36,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 17:26:36,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 817 transitions. [2022-12-13 17:26:36,145 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5247270391779062 [2022-12-13 17:26:36,145 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 817 transitions. [2022-12-13 17:26:36,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 817 transitions. [2022-12-13 17:26:36,146 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:26:36,146 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 817 transitions. [2022-12-13 17:26:36,148 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:36,150 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 519.0) internal successors, (2076), 4 states have internal predecessors, (2076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:36,150 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 519.0) internal successors, (2076), 4 states have internal predecessors, (2076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:36,151 INFO L175 Difference]: Start difference. First operand has 109 places, 190 transitions, 1089 flow. Second operand 3 states and 817 transitions. [2022-12-13 17:26:36,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 188 transitions, 1183 flow [2022-12-13 17:26:36,157 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 188 transitions, 1183 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 17:26:36,160 INFO L231 Difference]: Finished difference. Result has 109 places, 188 transitions, 1087 flow [2022-12-13 17:26:36,160 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=519, PETRI_DIFFERENCE_MINUEND_FLOW=1085, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1087, PETRI_PLACES=109, PETRI_TRANSITIONS=188} [2022-12-13 17:26:36,161 INFO L288 CegarLoopForPetriNet]: 106 programPoint places, 3 predicate places. [2022-12-13 17:26:36,161 INFO L495 AbstractCegarLoop]: Abstraction has has 109 places, 188 transitions, 1087 flow [2022-12-13 17:26:36,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 265.0) internal successors, (795), 3 states have internal predecessors, (795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:36,161 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:26:36,162 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] [2022-12-13 17:26:36,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 17:26:36,162 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-13 17:26:36,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:26:36,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1671279469, now seen corresponding path program 1 times [2022-12-13 17:26:36,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:26:36,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641476557] [2022-12-13 17:26:36,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:26:36,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:26:36,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:26:36,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:26:36,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:26:36,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641476557] [2022-12-13 17:26:36,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641476557] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:26:36,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:26:36,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 17:26:36,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099899184] [2022-12-13 17:26:36,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:26:36,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 17:26:36,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:26:36,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 17:26:36,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 17:26:36,862 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 519 [2022-12-13 17:26:36,864 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 188 transitions, 1087 flow. Second operand has 6 states, 6 states have (on average 199.5) internal successors, (1197), 6 states have internal predecessors, (1197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:36,864 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:26:36,864 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 519 [2022-12-13 17:26:36,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:26:38,957 INFO L130 PetriNetUnfolder]: 1833/4419 cut-off events. [2022-12-13 17:26:38,957 INFO L131 PetriNetUnfolder]: For 2992/3035 co-relation queries the response was YES. [2022-12-13 17:26:38,962 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11905 conditions, 4419 events. 1833/4419 cut-off events. For 2992/3035 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 29518 event pairs, 1032 based on Foata normal form. 0/4201 useless extension candidates. Maximal degree in co-relation 11891. Up to 3644 conditions per place. [2022-12-13 17:26:38,972 INFO L137 encePairwiseOnDemand]: 497/519 looper letters, 205 selfloop transitions, 79 changer transitions 0/302 dead transitions. [2022-12-13 17:26:38,972 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 302 transitions, 2107 flow [2022-12-13 17:26:38,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 17:26:38,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 17:26:38,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1349 transitions. [2022-12-13 17:26:38,981 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4332048811817598 [2022-12-13 17:26:38,981 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1349 transitions. [2022-12-13 17:26:38,981 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1349 transitions. [2022-12-13 17:26:38,981 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:26:38,981 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1349 transitions. [2022-12-13 17:26:38,983 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 224.83333333333334) internal successors, (1349), 6 states have internal predecessors, (1349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:38,985 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 519.0) internal successors, (3633), 7 states have internal predecessors, (3633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:38,986 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 519.0) internal successors, (3633), 7 states have internal predecessors, (3633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:38,986 INFO L175 Difference]: Start difference. First operand has 109 places, 188 transitions, 1087 flow. Second operand 6 states and 1349 transitions. [2022-12-13 17:26:38,986 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 302 transitions, 2107 flow [2022-12-13 17:26:38,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 302 transitions, 2106 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 17:26:38,994 INFO L231 Difference]: Finished difference. Result has 117 places, 262 transitions, 1702 flow [2022-12-13 17:26:38,994 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=519, PETRI_DIFFERENCE_MINUEND_FLOW=1086, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1702, PETRI_PLACES=117, PETRI_TRANSITIONS=262} [2022-12-13 17:26:38,995 INFO L288 CegarLoopForPetriNet]: 106 programPoint places, 11 predicate places. [2022-12-13 17:26:38,995 INFO L495 AbstractCegarLoop]: Abstraction has has 117 places, 262 transitions, 1702 flow [2022-12-13 17:26:38,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 199.5) internal successors, (1197), 6 states have internal predecessors, (1197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:38,995 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:26:38,995 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] [2022-12-13 17:26:38,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 17:26:38,995 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-13 17:26:38,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:26:38,996 INFO L85 PathProgramCache]: Analyzing trace with hash 237076854, now seen corresponding path program 1 times [2022-12-13 17:26:38,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:26:38,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803641772] [2022-12-13 17:26:38,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:26:38,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:26:39,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:26:39,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:26:39,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:26:39,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803641772] [2022-12-13 17:26:39,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803641772] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:26:39,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:26:39,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 17:26:39,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241051480] [2022-12-13 17:26:39,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:26:39,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:26:39,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:26:39,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:26:39,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:26:39,140 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 519 [2022-12-13 17:26:39,142 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 262 transitions, 1702 flow. Second operand has 3 states, 3 states have (on average 271.3333333333333) internal successors, (814), 3 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:39,142 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:26:39,142 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 519 [2022-12-13 17:26:39,142 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:26:40,322 INFO L130 PetriNetUnfolder]: 408/1513 cut-off events. [2022-12-13 17:26:40,322 INFO L131 PetriNetUnfolder]: For 1254/1275 co-relation queries the response was YES. [2022-12-13 17:26:40,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4067 conditions, 1513 events. 408/1513 cut-off events. For 1254/1275 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 10151 event pairs, 100 based on Foata normal form. 14/1466 useless extension candidates. Maximal degree in co-relation 4049. Up to 376 conditions per place. [2022-12-13 17:26:40,328 INFO L137 encePairwiseOnDemand]: 513/519 looper letters, 77 selfloop transitions, 6 changer transitions 0/236 dead transitions. [2022-12-13 17:26:40,328 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 236 transitions, 1534 flow [2022-12-13 17:26:40,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:26:40,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 17:26:40,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 858 transitions. [2022-12-13 17:26:40,330 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5510597302504817 [2022-12-13 17:26:40,330 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 858 transitions. [2022-12-13 17:26:40,330 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 858 transitions. [2022-12-13 17:26:40,330 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:26:40,330 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 858 transitions. [2022-12-13 17:26:40,331 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 286.0) internal successors, (858), 3 states have internal predecessors, (858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:40,332 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 519.0) internal successors, (2076), 4 states have internal predecessors, (2076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:40,333 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 519.0) internal successors, (2076), 4 states have internal predecessors, (2076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:40,333 INFO L175 Difference]: Start difference. First operand has 117 places, 262 transitions, 1702 flow. Second operand 3 states and 858 transitions. [2022-12-13 17:26:40,333 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 236 transitions, 1534 flow [2022-12-13 17:26:40,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 236 transitions, 1452 flow, removed 41 selfloop flow, removed 0 redundant places. [2022-12-13 17:26:40,341 INFO L231 Difference]: Finished difference. Result has 120 places, 206 transitions, 1170 flow [2022-12-13 17:26:40,341 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=519, PETRI_DIFFERENCE_MINUEND_FLOW=1136, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1170, PETRI_PLACES=120, PETRI_TRANSITIONS=206} [2022-12-13 17:26:40,341 INFO L288 CegarLoopForPetriNet]: 106 programPoint places, 14 predicate places. [2022-12-13 17:26:40,342 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 206 transitions, 1170 flow [2022-12-13 17:26:40,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 271.3333333333333) internal successors, (814), 3 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:40,342 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:26:40,342 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] [2022-12-13 17:26:40,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 17:26:40,342 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-13 17:26:40,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:26:40,342 INFO L85 PathProgramCache]: Analyzing trace with hash 438363443, now seen corresponding path program 1 times [2022-12-13 17:26:40,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:26:40,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935394337] [2022-12-13 17:26:40,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:26:40,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:26:40,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:26:40,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:26:40,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:26:40,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935394337] [2022-12-13 17:26:40,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935394337] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:26:40,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:26:40,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 17:26:40,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79354815] [2022-12-13 17:26:40,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:26:40,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 17:26:40,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:26:40,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 17:26:40,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 17:26:41,250 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 519 [2022-12-13 17:26:41,252 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 206 transitions, 1170 flow. Second operand has 6 states, 6 states have (on average 222.16666666666666) internal successors, (1333), 6 states have internal predecessors, (1333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:41,252 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:26:41,252 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 519 [2022-12-13 17:26:41,252 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:26:43,135 INFO L130 PetriNetUnfolder]: 828/2326 cut-off events. [2022-12-13 17:26:43,135 INFO L131 PetriNetUnfolder]: For 2261/2304 co-relation queries the response was YES. [2022-12-13 17:26:43,139 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6829 conditions, 2326 events. 828/2326 cut-off events. For 2261/2304 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 15812 event pairs, 101 based on Foata normal form. 66/2330 useless extension candidates. Maximal degree in co-relation 6809. Up to 860 conditions per place. [2022-12-13 17:26:43,145 INFO L137 encePairwiseOnDemand]: 500/519 looper letters, 205 selfloop transitions, 121 changer transitions 9/405 dead transitions. [2022-12-13 17:26:43,145 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 405 transitions, 2903 flow [2022-12-13 17:26:43,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 17:26:43,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 17:26:43,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1496 transitions. [2022-12-13 17:26:43,147 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.48041104688503533 [2022-12-13 17:26:43,147 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1496 transitions. [2022-12-13 17:26:43,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1496 transitions. [2022-12-13 17:26:43,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:26:43,148 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1496 transitions. [2022-12-13 17:26:43,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 249.33333333333334) internal successors, (1496), 6 states have internal predecessors, (1496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:43,152 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 519.0) internal successors, (3633), 7 states have internal predecessors, (3633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:43,152 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 519.0) internal successors, (3633), 7 states have internal predecessors, (3633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:43,152 INFO L175 Difference]: Start difference. First operand has 120 places, 206 transitions, 1170 flow. Second operand 6 states and 1496 transitions. [2022-12-13 17:26:43,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 405 transitions, 2903 flow [2022-12-13 17:26:43,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 405 transitions, 2888 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 17:26:43,171 INFO L231 Difference]: Finished difference. Result has 128 places, 305 transitions, 2513 flow [2022-12-13 17:26:43,171 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=519, PETRI_DIFFERENCE_MINUEND_FLOW=1162, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=205, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2513, PETRI_PLACES=128, PETRI_TRANSITIONS=305} [2022-12-13 17:26:43,172 INFO L288 CegarLoopForPetriNet]: 106 programPoint places, 22 predicate places. [2022-12-13 17:26:43,172 INFO L495 AbstractCegarLoop]: Abstraction has has 128 places, 305 transitions, 2513 flow [2022-12-13 17:26:43,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 222.16666666666666) internal successors, (1333), 6 states have internal predecessors, (1333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:43,172 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:26:43,172 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:26:43,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 17:26:43,173 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-13 17:26:43,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:26:43,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1583771945, now seen corresponding path program 1 times [2022-12-13 17:26:43,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:26:43,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237847351] [2022-12-13 17:26:43,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:26:43,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:26:43,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:26:43,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:26:43,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:26:43,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237847351] [2022-12-13 17:26:43,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237847351] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:26:43,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:26:43,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 17:26:43,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100309768] [2022-12-13 17:26:43,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:26:43,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 17:26:43,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:26:43,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 17:26:43,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 17:26:44,049 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 519 [2022-12-13 17:26:44,050 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 305 transitions, 2513 flow. Second operand has 6 states, 6 states have (on average 229.16666666666666) internal successors, (1375), 6 states have internal predecessors, (1375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:44,050 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:26:44,050 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 519 [2022-12-13 17:26:44,050 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:26:45,525 INFO L130 PetriNetUnfolder]: 684/2071 cut-off events. [2022-12-13 17:26:45,525 INFO L131 PetriNetUnfolder]: For 4424/4498 co-relation queries the response was YES. [2022-12-13 17:26:45,529 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7068 conditions, 2071 events. 684/2071 cut-off events. For 4424/4498 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 14110 event pairs, 151 based on Foata normal form. 26/2050 useless extension candidates. Maximal degree in co-relation 7044. Up to 1038 conditions per place. [2022-12-13 17:26:45,533 INFO L137 encePairwiseOnDemand]: 513/519 looper letters, 238 selfloop transitions, 17 changer transitions 0/352 dead transitions. [2022-12-13 17:26:45,533 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 352 transitions, 3205 flow [2022-12-13 17:26:45,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 17:26:45,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 17:26:45,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1433 transitions. [2022-12-13 17:26:45,535 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.46017983301220294 [2022-12-13 17:26:45,535 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1433 transitions. [2022-12-13 17:26:45,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1433 transitions. [2022-12-13 17:26:45,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:26:45,536 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1433 transitions. [2022-12-13 17:26:45,537 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 238.83333333333334) internal successors, (1433), 6 states have internal predecessors, (1433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:45,539 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 519.0) internal successors, (3633), 7 states have internal predecessors, (3633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:45,540 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 519.0) internal successors, (3633), 7 states have internal predecessors, (3633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:45,540 INFO L175 Difference]: Start difference. First operand has 128 places, 305 transitions, 2513 flow. Second operand 6 states and 1433 transitions. [2022-12-13 17:26:45,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 352 transitions, 3205 flow [2022-12-13 17:26:45,550 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 352 transitions, 3187 flow, removed 9 selfloop flow, removed 0 redundant places. [2022-12-13 17:26:45,553 INFO L231 Difference]: Finished difference. Result has 132 places, 304 transitions, 2527 flow [2022-12-13 17:26:45,553 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=519, PETRI_DIFFERENCE_MINUEND_FLOW=2493, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2527, PETRI_PLACES=132, PETRI_TRANSITIONS=304} [2022-12-13 17:26:45,553 INFO L288 CegarLoopForPetriNet]: 106 programPoint places, 26 predicate places. [2022-12-13 17:26:45,554 INFO L495 AbstractCegarLoop]: Abstraction has has 132 places, 304 transitions, 2527 flow [2022-12-13 17:26:45,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 229.16666666666666) internal successors, (1375), 6 states have internal predecessors, (1375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:45,554 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:26:45,555 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:26:45,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 17:26:45,555 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-13 17:26:45,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:26:45,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1571531714, now seen corresponding path program 1 times [2022-12-13 17:26:45,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:26:45,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324859395] [2022-12-13 17:26:45,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:26:45,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:26:45,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:26:45,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:26:45,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:26:45,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324859395] [2022-12-13 17:26:45,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324859395] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:26:45,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:26:45,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 17:26:45,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413239704] [2022-12-13 17:26:45,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:26:45,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 17:26:45,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:26:45,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 17:26:45,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 17:26:46,253 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 519 [2022-12-13 17:26:46,255 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 304 transitions, 2527 flow. Second operand has 6 states, 6 states have (on average 202.0) internal successors, (1212), 6 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:46,255 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:26:46,255 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 519 [2022-12-13 17:26:46,255 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:26:48,092 INFO L130 PetriNetUnfolder]: 1492/3480 cut-off events. [2022-12-13 17:26:48,092 INFO L131 PetriNetUnfolder]: For 6060/6114 co-relation queries the response was YES. [2022-12-13 17:26:48,097 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12569 conditions, 3480 events. 1492/3480 cut-off events. For 6060/6114 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 22236 event pairs, 681 based on Foata normal form. 0/3382 useless extension candidates. Maximal degree in co-relation 12544. Up to 3018 conditions per place. [2022-12-13 17:26:48,103 INFO L137 encePairwiseOnDemand]: 497/519 looper letters, 303 selfloop transitions, 90 changer transitions 12/421 dead transitions. [2022-12-13 17:26:48,103 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 421 transitions, 3971 flow [2022-12-13 17:26:48,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 17:26:48,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 17:26:48,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1349 transitions. [2022-12-13 17:26:48,105 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4332048811817598 [2022-12-13 17:26:48,105 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1349 transitions. [2022-12-13 17:26:48,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1349 transitions. [2022-12-13 17:26:48,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:26:48,106 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1349 transitions. [2022-12-13 17:26:48,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 224.83333333333334) internal successors, (1349), 6 states have internal predecessors, (1349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:48,109 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 519.0) internal successors, (3633), 7 states have internal predecessors, (3633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:48,110 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 519.0) internal successors, (3633), 7 states have internal predecessors, (3633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:48,110 INFO L175 Difference]: Start difference. First operand has 132 places, 304 transitions, 2527 flow. Second operand 6 states and 1349 transitions. [2022-12-13 17:26:48,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 421 transitions, 3971 flow [2022-12-13 17:26:48,123 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 421 transitions, 3937 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 17:26:48,126 INFO L231 Difference]: Finished difference. Result has 136 places, 377 transitions, 3269 flow [2022-12-13 17:26:48,126 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=519, PETRI_DIFFERENCE_MINUEND_FLOW=2493, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=262, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3269, PETRI_PLACES=136, PETRI_TRANSITIONS=377} [2022-12-13 17:26:48,127 INFO L288 CegarLoopForPetriNet]: 106 programPoint places, 30 predicate places. [2022-12-13 17:26:48,127 INFO L495 AbstractCegarLoop]: Abstraction has has 136 places, 377 transitions, 3269 flow [2022-12-13 17:26:48,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 202.0) internal successors, (1212), 6 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:48,127 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:26:48,127 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:26:48,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 17:26:48,127 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-13 17:26:48,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:26:48,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1393088356, now seen corresponding path program 1 times [2022-12-13 17:26:48,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:26:48,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606650837] [2022-12-13 17:26:48,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:26:48,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:26:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:26:49,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:26:49,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:26:49,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606650837] [2022-12-13 17:26:49,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606650837] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:26:49,117 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:26:49,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 17:26:49,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760797782] [2022-12-13 17:26:49,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:26:49,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 17:26:49,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:26:49,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 17:26:49,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-12-13 17:26:49,670 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 519 [2022-12-13 17:26:49,671 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 377 transitions, 3269 flow. Second operand has 9 states, 9 states have (on average 185.0) internal successors, (1665), 9 states have internal predecessors, (1665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:49,671 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:26:49,671 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 519 [2022-12-13 17:26:49,671 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:26:52,248 INFO L130 PetriNetUnfolder]: 1395/3330 cut-off events. [2022-12-13 17:26:52,248 INFO L131 PetriNetUnfolder]: For 7117/7196 co-relation queries the response was YES. [2022-12-13 17:26:52,254 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12847 conditions, 3330 events. 1395/3330 cut-off events. For 7117/7196 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 21802 event pairs, 407 based on Foata normal form. 0/3291 useless extension candidates. Maximal degree in co-relation 12818. Up to 2260 conditions per place. [2022-12-13 17:26:52,260 INFO L137 encePairwiseOnDemand]: 506/519 looper letters, 402 selfloop transitions, 57 changer transitions 14/489 dead transitions. [2022-12-13 17:26:52,260 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 489 transitions, 4921 flow [2022-12-13 17:26:52,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 17:26:52,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-12-13 17:26:52,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1802 transitions. [2022-12-13 17:26:52,263 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.38578462855919504 [2022-12-13 17:26:52,263 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1802 transitions. [2022-12-13 17:26:52,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1802 transitions. [2022-12-13 17:26:52,264 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:26:52,264 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1802 transitions. [2022-12-13 17:26:52,265 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 200.22222222222223) internal successors, (1802), 9 states have internal predecessors, (1802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:52,268 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 519.0) internal successors, (5190), 10 states have internal predecessors, (5190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:52,268 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 519.0) internal successors, (5190), 10 states have internal predecessors, (5190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:52,268 INFO L175 Difference]: Start difference. First operand has 136 places, 377 transitions, 3269 flow. Second operand 9 states and 1802 transitions. [2022-12-13 17:26:52,268 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 489 transitions, 4921 flow [2022-12-13 17:26:52,297 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 489 transitions, 4761 flow, removed 80 selfloop flow, removed 0 redundant places. [2022-12-13 17:26:52,302 INFO L231 Difference]: Finished difference. Result has 148 places, 385 transitions, 3381 flow [2022-12-13 17:26:52,302 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=519, PETRI_DIFFERENCE_MINUEND_FLOW=3109, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=324, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3381, PETRI_PLACES=148, PETRI_TRANSITIONS=385} [2022-12-13 17:26:52,302 INFO L288 CegarLoopForPetriNet]: 106 programPoint places, 42 predicate places. [2022-12-13 17:26:52,302 INFO L495 AbstractCegarLoop]: Abstraction has has 148 places, 385 transitions, 3381 flow [2022-12-13 17:26:52,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 185.0) internal successors, (1665), 9 states have internal predecessors, (1665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:52,303 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:26:52,303 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:26:52,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 17:26:52,303 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-13 17:26:52,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:26:52,303 INFO L85 PathProgramCache]: Analyzing trace with hash 658833636, now seen corresponding path program 1 times [2022-12-13 17:26:52,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:26:52,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022744381] [2022-12-13 17:26:52,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:26:52,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:26:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:26:53,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:26:53,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:26:53,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022744381] [2022-12-13 17:26:53,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022744381] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:26:53,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:26:53,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 17:26:53,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556316569] [2022-12-13 17:26:53,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:26:53,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 17:26:53,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:26:53,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 17:26:53,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-12-13 17:26:54,634 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 519 [2022-12-13 17:26:54,635 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 385 transitions, 3381 flow. Second operand has 11 states, 11 states have (on average 204.8181818181818) internal successors, (2253), 11 states have internal predecessors, (2253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:54,635 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:26:54,635 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 519 [2022-12-13 17:26:54,635 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:26:57,230 INFO L130 PetriNetUnfolder]: 1098/3069 cut-off events. [2022-12-13 17:26:57,230 INFO L131 PetriNetUnfolder]: For 9227/9329 co-relation queries the response was YES. [2022-12-13 17:26:57,237 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12330 conditions, 3069 events. 1098/3069 cut-off events. For 9227/9329 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 22166 event pairs, 179 based on Foata normal form. 22/3057 useless extension candidates. Maximal degree in co-relation 12296. Up to 1384 conditions per place. [2022-12-13 17:26:57,243 INFO L137 encePairwiseOnDemand]: 498/519 looper letters, 304 selfloop transitions, 92 changer transitions 9/524 dead transitions. [2022-12-13 17:26:57,243 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 524 transitions, 5209 flow [2022-12-13 17:26:57,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 17:26:57,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-12-13 17:26:57,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2358 transitions. [2022-12-13 17:26:57,259 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.41303205465055176 [2022-12-13 17:26:57,259 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2358 transitions. [2022-12-13 17:26:57,259 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2358 transitions. [2022-12-13 17:26:57,260 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:26:57,260 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2358 transitions. [2022-12-13 17:26:57,264 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 214.36363636363637) internal successors, (2358), 11 states have internal predecessors, (2358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:57,269 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 519.0) internal successors, (6228), 12 states have internal predecessors, (6228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:57,270 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 519.0) internal successors, (6228), 12 states have internal predecessors, (6228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:57,270 INFO L175 Difference]: Start difference. First operand has 148 places, 385 transitions, 3381 flow. Second operand 11 states and 2358 transitions. [2022-12-13 17:26:57,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 524 transitions, 5209 flow [2022-12-13 17:26:57,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 524 transitions, 5183 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-13 17:26:57,318 INFO L231 Difference]: Finished difference. Result has 164 places, 438 transitions, 4380 flow [2022-12-13 17:26:57,319 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=519, PETRI_DIFFERENCE_MINUEND_FLOW=3373, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=4380, PETRI_PLACES=164, PETRI_TRANSITIONS=438} [2022-12-13 17:26:57,319 INFO L288 CegarLoopForPetriNet]: 106 programPoint places, 58 predicate places. [2022-12-13 17:26:57,319 INFO L495 AbstractCegarLoop]: Abstraction has has 164 places, 438 transitions, 4380 flow [2022-12-13 17:26:57,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 204.8181818181818) internal successors, (2253), 11 states have internal predecessors, (2253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:57,320 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:26:57,320 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:26:57,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 17:26:57,320 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-13 17:26:57,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:26:57,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1875608764, now seen corresponding path program 2 times [2022-12-13 17:26:57,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:26:57,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687382301] [2022-12-13 17:26:57,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:26:57,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:26:57,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:26:58,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:26:58,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:26:58,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687382301] [2022-12-13 17:26:58,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687382301] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:26:58,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:26:58,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 17:26:58,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390193546] [2022-12-13 17:26:58,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:26:58,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 17:26:58,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:26:58,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 17:26:58,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-12-13 17:26:59,375 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 206 out of 519 [2022-12-13 17:26:59,377 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 438 transitions, 4380 flow. Second operand has 10 states, 10 states have (on average 207.9) internal successors, (2079), 10 states have internal predecessors, (2079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:59,377 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:26:59,378 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 206 of 519 [2022-12-13 17:26:59,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:27:01,629 INFO L130 PetriNetUnfolder]: 1068/2977 cut-off events. [2022-12-13 17:27:01,630 INFO L131 PetriNetUnfolder]: For 12073/12187 co-relation queries the response was YES. [2022-12-13 17:27:01,651 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12845 conditions, 2977 events. 1068/2977 cut-off events. For 12073/12187 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 21371 event pairs, 111 based on Foata normal form. 38/2986 useless extension candidates. Maximal degree in co-relation 12803. Up to 701 conditions per place. [2022-12-13 17:27:01,656 INFO L137 encePairwiseOnDemand]: 501/519 looper letters, 296 selfloop transitions, 153 changer transitions 16/586 dead transitions. [2022-12-13 17:27:01,656 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 586 transitions, 6241 flow [2022-12-13 17:27:01,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 17:27:01,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2022-12-13 17:27:01,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 4516 transitions. [2022-12-13 17:27:01,662 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4143499403615011 [2022-12-13 17:27:01,662 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 4516 transitions. [2022-12-13 17:27:01,662 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 4516 transitions. [2022-12-13 17:27:01,663 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:27:01,663 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 4516 transitions. [2022-12-13 17:27:01,667 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 215.04761904761904) internal successors, (4516), 21 states have internal predecessors, (4516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:27:01,673 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 519.0) internal successors, (11418), 22 states have internal predecessors, (11418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:27:01,674 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 519.0) internal successors, (11418), 22 states have internal predecessors, (11418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:27:01,674 INFO L175 Difference]: Start difference. First operand has 164 places, 438 transitions, 4380 flow. Second operand 21 states and 4516 transitions. [2022-12-13 17:27:01,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 586 transitions, 6241 flow [2022-12-13 17:27:01,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 586 transitions, 6225 flow, removed 8 selfloop flow, removed 0 redundant places. [2022-12-13 17:27:01,715 INFO L231 Difference]: Finished difference. Result has 193 places, 467 transitions, 5204 flow [2022-12-13 17:27:01,715 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=519, PETRI_DIFFERENCE_MINUEND_FLOW=4372, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=438, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=124, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=5204, PETRI_PLACES=193, PETRI_TRANSITIONS=467} [2022-12-13 17:27:01,715 INFO L288 CegarLoopForPetriNet]: 106 programPoint places, 87 predicate places. [2022-12-13 17:27:01,716 INFO L495 AbstractCegarLoop]: Abstraction has has 193 places, 467 transitions, 5204 flow [2022-12-13 17:27:01,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 207.9) internal successors, (2079), 10 states have internal predecessors, (2079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:27:01,716 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:27:01,716 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:27:01,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 17:27:01,716 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-13 17:27:01,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:27:01,717 INFO L85 PathProgramCache]: Analyzing trace with hash -455878373, now seen corresponding path program 1 times [2022-12-13 17:27:01,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:27:01,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930097585] [2022-12-13 17:27:01,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:27:01,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:27:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:02,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:27:02,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:27:02,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930097585] [2022-12-13 17:27:02,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930097585] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:27:02,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:27:02,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 17:27:02,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103889268] [2022-12-13 17:27:02,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:27:02,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 17:27:02,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:27:02,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 17:27:02,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-12-13 17:27:04,366 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 519 [2022-12-13 17:27:04,368 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 467 transitions, 5204 flow. Second operand has 13 states, 13 states have (on average 205.23076923076923) internal successors, (2668), 13 states have internal predecessors, (2668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:27:04,368 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:27:04,368 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 519 [2022-12-13 17:27:04,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:27:07,398 INFO L130 PetriNetUnfolder]: 940/2833 cut-off events. [2022-12-13 17:27:07,398 INFO L131 PetriNetUnfolder]: For 15603/15722 co-relation queries the response was YES. [2022-12-13 17:27:07,421 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13077 conditions, 2833 events. 940/2833 cut-off events. For 15603/15722 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 20613 event pairs, 118 based on Foata normal form. 24/2814 useless extension candidates. Maximal degree in co-relation 13026. Up to 648 conditions per place. [2022-12-13 17:27:07,426 INFO L137 encePairwiseOnDemand]: 504/519 looper letters, 327 selfloop transitions, 33 changer transitions 23/542 dead transitions. [2022-12-13 17:27:07,426 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 542 transitions, 6396 flow [2022-12-13 17:27:07,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 17:27:07,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2022-12-13 17:27:07,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 3147 transitions. [2022-12-13 17:27:07,430 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.40423892100192677 [2022-12-13 17:27:07,430 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 3147 transitions. [2022-12-13 17:27:07,430 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 3147 transitions. [2022-12-13 17:27:07,431 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:27:07,431 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 3147 transitions. [2022-12-13 17:27:07,434 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 209.8) internal successors, (3147), 15 states have internal predecessors, (3147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:27:07,439 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 519.0) internal successors, (8304), 16 states have internal predecessors, (8304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:27:07,440 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 519.0) internal successors, (8304), 16 states have internal predecessors, (8304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:27:07,440 INFO L175 Difference]: Start difference. First operand has 193 places, 467 transitions, 5204 flow. Second operand 15 states and 3147 transitions. [2022-12-13 17:27:07,440 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 542 transitions, 6396 flow [2022-12-13 17:27:07,491 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 542 transitions, 6247 flow, removed 21 selfloop flow, removed 8 redundant places. [2022-12-13 17:27:07,497 INFO L231 Difference]: Finished difference. Result has 202 places, 471 transitions, 5170 flow [2022-12-13 17:27:07,497 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=519, PETRI_DIFFERENCE_MINUEND_FLOW=5058, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=466, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=434, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=5170, PETRI_PLACES=202, PETRI_TRANSITIONS=471} [2022-12-13 17:27:07,497 INFO L288 CegarLoopForPetriNet]: 106 programPoint places, 96 predicate places. [2022-12-13 17:27:07,497 INFO L495 AbstractCegarLoop]: Abstraction has has 202 places, 471 transitions, 5170 flow [2022-12-13 17:27:07,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 205.23076923076923) internal successors, (2668), 13 states have internal predecessors, (2668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:27:07,498 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:27:07,498 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:27:07,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 17:27:07,498 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-13 17:27:07,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:27:07,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1727313057, now seen corresponding path program 1 times [2022-12-13 17:27:07,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:27:07,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121015907] [2022-12-13 17:27:07,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:27:07,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:27:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:08,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:27:08,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:27:08,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121015907] [2022-12-13 17:27:08,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121015907] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:27:08,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:27:08,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 17:27:08,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063858871] [2022-12-13 17:27:08,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:27:08,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 17:27:08,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:27:08,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 17:27:08,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-12-13 17:27:09,312 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 519 [2022-12-13 17:27:09,313 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 471 transitions, 5170 flow. Second operand has 11 states, 11 states have (on average 182.54545454545453) internal successors, (2008), 11 states have internal predecessors, (2008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:27:09,313 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:27:09,313 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 519 [2022-12-13 17:27:09,313 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:27:12,752 INFO L130 PetriNetUnfolder]: 1733/4026 cut-off events. [2022-12-13 17:27:12,752 INFO L131 PetriNetUnfolder]: For 19051/19119 co-relation queries the response was YES. [2022-12-13 17:27:12,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18660 conditions, 4026 events. 1733/4026 cut-off events. For 19051/19119 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 27056 event pairs, 428 based on Foata normal form. 14/4018 useless extension candidates. Maximal degree in co-relation 18609. Up to 1018 conditions per place. [2022-12-13 17:27:12,790 INFO L137 encePairwiseOnDemand]: 495/519 looper letters, 509 selfloop transitions, 123 changer transitions 49/698 dead transitions. [2022-12-13 17:27:12,790 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 698 transitions, 8087 flow [2022-12-13 17:27:12,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 17:27:12,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-12-13 17:27:12,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2451 transitions. [2022-12-13 17:27:12,792 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.39354527938342965 [2022-12-13 17:27:12,792 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 2451 transitions. [2022-12-13 17:27:12,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 2451 transitions. [2022-12-13 17:27:12,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:27:12,793 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 2451 transitions. [2022-12-13 17:27:12,795 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 204.25) internal successors, (2451), 12 states have internal predecessors, (2451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:27:12,797 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 519.0) internal successors, (6747), 13 states have internal predecessors, (6747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:27:12,798 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 519.0) internal successors, (6747), 13 states have internal predecessors, (6747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:27:12,798 INFO L175 Difference]: Start difference. First operand has 202 places, 471 transitions, 5170 flow. Second operand 12 states and 2451 transitions. [2022-12-13 17:27:12,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 698 transitions, 8087 flow [2022-12-13 17:27:12,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 698 transitions, 8048 flow, removed 6 selfloop flow, removed 4 redundant places. [2022-12-13 17:27:12,868 INFO L231 Difference]: Finished difference. Result has 213 places, 478 transitions, 5576 flow [2022-12-13 17:27:12,868 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=519, PETRI_DIFFERENCE_MINUEND_FLOW=5132, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=471, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=116, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=5576, PETRI_PLACES=213, PETRI_TRANSITIONS=478} [2022-12-13 17:27:12,868 INFO L288 CegarLoopForPetriNet]: 106 programPoint places, 107 predicate places. [2022-12-13 17:27:12,868 INFO L495 AbstractCegarLoop]: Abstraction has has 213 places, 478 transitions, 5576 flow [2022-12-13 17:27:12,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 182.54545454545453) internal successors, (2008), 11 states have internal predecessors, (2008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:27:12,869 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:27:12,869 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:27:12,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 17:27:12,869 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2022-12-13 17:27:12,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:27:12,869 INFO L85 PathProgramCache]: Analyzing trace with hash 338146334, now seen corresponding path program 1 times [2022-12-13 17:27:12,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:27:12,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736807057] [2022-12-13 17:27:12,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:27:12,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:27:12,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:27:12,925 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:27:12,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:27:12,980 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:27:12,980 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 17:27:12,981 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (36 of 37 remaining) [2022-12-13 17:27:12,982 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (35 of 37 remaining) [2022-12-13 17:27:12,982 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (34 of 37 remaining) [2022-12-13 17:27:12,982 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 37 remaining) [2022-12-13 17:27:12,982 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (32 of 37 remaining) [2022-12-13 17:27:12,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (31 of 37 remaining) [2022-12-13 17:27:12,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (30 of 37 remaining) [2022-12-13 17:27:12,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (29 of 37 remaining) [2022-12-13 17:27:12,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (28 of 37 remaining) [2022-12-13 17:27:12,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (27 of 37 remaining) [2022-12-13 17:27:12,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (26 of 37 remaining) [2022-12-13 17:27:12,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (25 of 37 remaining) [2022-12-13 17:27:12,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (24 of 37 remaining) [2022-12-13 17:27:12,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (23 of 37 remaining) [2022-12-13 17:27:12,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (22 of 37 remaining) [2022-12-13 17:27:12,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (21 of 37 remaining) [2022-12-13 17:27:12,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (20 of 37 remaining) [2022-12-13 17:27:12,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (19 of 37 remaining) [2022-12-13 17:27:12,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (18 of 37 remaining) [2022-12-13 17:27:12,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (17 of 37 remaining) [2022-12-13 17:27:12,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (16 of 37 remaining) [2022-12-13 17:27:12,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 37 remaining) [2022-12-13 17:27:12,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (14 of 37 remaining) [2022-12-13 17:27:12,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (13 of 37 remaining) [2022-12-13 17:27:12,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (12 of 37 remaining) [2022-12-13 17:27:12,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (11 of 37 remaining) [2022-12-13 17:27:12,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (10 of 37 remaining) [2022-12-13 17:27:12,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONDATA_RACE (9 of 37 remaining) [2022-12-13 17:27:12,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONDATA_RACE (8 of 37 remaining) [2022-12-13 17:27:12,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONDATA_RACE (7 of 37 remaining) [2022-12-13 17:27:12,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (6 of 37 remaining) [2022-12-13 17:27:12,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 37 remaining) [2022-12-13 17:27:12,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (4 of 37 remaining) [2022-12-13 17:27:12,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (3 of 37 remaining) [2022-12-13 17:27:12,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONDATA_RACE (2 of 37 remaining) [2022-12-13 17:27:12,985 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONDATA_RACE (1 of 37 remaining) [2022-12-13 17:27:12,985 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONDATA_RACE (0 of 37 remaining) [2022-12-13 17:27:12,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-13 17:27:12,985 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:27:12,990 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 17:27:12,990 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 17:27:13,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 05:27:13 BasicIcfg [2022-12-13 17:27:13,028 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 17:27:13,028 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 17:27:13,028 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 17:27:13,028 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 17:27:13,029 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:17:48" (3/4) ... [2022-12-13 17:27:13,031 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 17:27:13,031 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 17:27:13,031 INFO L158 Benchmark]: Toolchain (without parser) took 565334.02ms. Allocated memory was 125.8MB in the beginning and 564.1MB in the end (delta: 438.3MB). Free memory was 84.6MB in the beginning and 171.5MB in the end (delta: -86.9MB). Peak memory consumption was 352.3MB. Max. memory is 16.1GB. [2022-12-13 17:27:13,031 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 125.8MB. Free memory is still 96.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:27:13,031 INFO L158 Benchmark]: CACSL2BoogieTranslator took 629.53ms. Allocated memory is still 125.8MB. Free memory was 84.2MB in the beginning and 45.1MB in the end (delta: 39.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-12-13 17:27:13,032 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.38ms. Allocated memory is still 125.8MB. Free memory was 45.1MB in the beginning and 96.0MB in the end (delta: -50.9MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2022-12-13 17:27:13,032 INFO L158 Benchmark]: Boogie Preprocessor took 42.09ms. Allocated memory is still 125.8MB. Free memory was 95.8MB in the beginning and 92.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 17:27:13,032 INFO L158 Benchmark]: RCFGBuilder took 565.72ms. Allocated memory is still 125.8MB. Free memory was 92.5MB in the beginning and 62.6MB in the end (delta: 30.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-12-13 17:27:13,032 INFO L158 Benchmark]: TraceAbstraction took 564034.72ms. Allocated memory was 125.8MB in the beginning and 564.1MB in the end (delta: 438.3MB). Free memory was 61.7MB in the beginning and 171.5MB in the end (delta: -109.8MB). Peak memory consumption was 327.0MB. Max. memory is 16.1GB. [2022-12-13 17:27:13,032 INFO L158 Benchmark]: Witness Printer took 2.57ms. Allocated memory is still 564.1MB. Free memory is still 171.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:27:13,033 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 125.8MB. Free memory is still 96.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 629.53ms. Allocated memory is still 125.8MB. Free memory was 84.2MB in the beginning and 45.1MB in the end (delta: 39.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.38ms. Allocated memory is still 125.8MB. Free memory was 45.1MB in the beginning and 96.0MB in the end (delta: -50.9MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.09ms. Allocated memory is still 125.8MB. Free memory was 95.8MB in the beginning and 92.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 565.72ms. Allocated memory is still 125.8MB. Free memory was 92.5MB in the beginning and 62.6MB in the end (delta: 30.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 564034.72ms. Allocated memory was 125.8MB in the beginning and 564.1MB in the end (delta: 438.3MB). Free memory was 61.7MB in the beginning and 171.5MB in the end (delta: -109.8MB). Peak memory consumption was 327.0MB. Max. memory is 16.1GB. * Witness Printer took 2.57ms. Allocated memory is still 564.1MB. Free memory is still 171.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 517.9s, 279 PlacesBefore, 106 PlacesAfterwards, 275 TransitionsBefore, 102 TransitionsAfterwards, 7728 CoEnabledTransitionPairs, 10 FixpointIterations, 204 TrivialSequentialCompositions, 39 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 243 TotalNumberOfCompositions, 81833 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10559, independent: 8769, independent conditional: 0, independent unconditional: 8769, dependent: 1790, dependent conditional: 0, dependent unconditional: 1790, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2738, independent: 2586, independent conditional: 0, independent unconditional: 2586, dependent: 152, dependent conditional: 0, dependent unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10559, independent: 6183, independent conditional: 0, independent unconditional: 6183, dependent: 1638, dependent conditional: 0, dependent unconditional: 1638, unknown: 2738, unknown conditional: 0, unknown unconditional: 2738] , Statistics on independence cache: Total cache size (in pairs): 527, Positive cache size: 413, Positive conditional cache size: 0, Positive unconditional cache size: 413, Negative cache size: 114, Negative conditional cache size: 0, Negative unconditional cache size: 114, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 1235]: Data race detected Data race detected The following path leads to a data race: [L1223-L1226] 0 struct s { int datum; struct s *next; } *A, *B; [L1231] 0 pthread_mutex_t A_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1232] 0 pthread_mutex_t B_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1243] 0 pthread_t t1; [L1244] 0 struct s *p = malloc(sizeof(struct s)); [L1245] CALL 0 init(p,9) [L1228] 0 p -> datum = x [L1229] 0 p -> next = ((void *)0) [L1245] RET 0 init(p,9) [L1246] 0 A = malloc(sizeof(struct s)) [L1247] 0 init(A,3) [L1247] CALL 0 init(A,3) [L1228] 0 p -> datum = x [L1229] 0 p -> next = ((void *)0) [L1247] RET 0 init(A,3) [L1248] EXPR 0 A->next [L1248] 0 A->next = p [L1249] 0 B = malloc(sizeof(struct s)) [L1250] 0 init(B,5) [L1250] CALL 0 init(B,5) [L1228] 0 p -> datum = x [L1229] 0 p -> next = ((void *)0) [L1250] RET 0 init(B,5) [L1251] EXPR 0 B->next [L1251] 0 B->next = p [L1252] FCALL, FORK 0 pthread_create(&t1, ((void *)0), t_fun, ((void *)0)) VAL [A={-2:0}, A_mutex={1:0}, arg={0:0}, B={11:0}, B_mutex={2:0}, p={-3:0}, pthread_create(&t1, ((void *)0), t_fun, ((void *)0))=-1, t1={13:0}] [L1254] EXPR 0 A->next VAL [A={-2:0}, A->next={-3:0}, A_mutex={1:0}, arg={0:0}, B={11:0}, B_mutex={2:0}, p={-3:0}, t1={13:0}] [L1254] 0 p = A->next VAL [A={-2:0}, A->next={-3:0}, A_mutex={1:0}, arg={0:0}, B={11:0}, B_mutex={2:0}, p={-3:0}, t1={13:0}] [L1255] EXPR 0 p->datum VAL [A={-2:0}, A_mutex={1:0}, arg={0:0}, B={11:0}, B_mutex={2:0}, p={-3:0}, p->datum=9, t1={13:0}] [L1255] 0 printf("%d\n", p->datum) [L1258] EXPR 0 B->next VAL [A={-2:0}, A_mutex={1:0}, arg={0:0}, B={11:0}, B_mutex={2:0}, p={-3:0}, t1={13:0}] [L1235] EXPR 1 A->next VAL [A={-2:0}, A->next={-3:0}, A_mutex={1:0}, arg={0:0}, arg={0:0}, B={11:0}, B_mutex={2:0}] [L1235] EXPR 1 A->next->datum VAL [A={-2:0}, A->next={-3:0}, A->next->datum=9, A_mutex={1:0}, arg={0:0}, arg={0:0}, B={11:0}, B_mutex={2:0}] [L1235] 1 A->next->datum++ VAL [A={-2:0}, A->next={-3:0}, A->next->datum=9, A->next->datum++=46, A->next->datum++=9, A_mutex={1:0}, arg={0:0}, arg={0:0}, B={11:0}, B_mutex={2:0}] [L1258] EXPR 0 B->next VAL [A={-2:0}, A->next={-3:0}, A->next->datum=9, A->next->datum++=46, A->next->datum++=9, A_mutex={1:0}, arg={0:0}, arg={0:0}, B={11:0}, B->next={-3:0}, B_mutex={2:0}, p={-3:0}, t1={13:0}] [L1258] 0 p = B->next [L1259] 0 p->datum VAL [A={-2:0}, A->next={-3:0}, A->next->datum=9, A->next->datum++=46, A->next->datum++=9, A_mutex={1:0}, arg={0:0}, arg={0:0}, B={11:0}, B_mutex={2:0}, p={-3:0}, p->datum=10, t1={13:0}] [L1235] 1 A->next->datum++ VAL [A={-2:0}, A->next={-3:0}, A->next->datum=9, A->next->datum++=46, A->next->datum++=9, A_mutex={1:0}, arg={0:0}, arg={0:0}, B={11:0}, B_mutex={2:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: A->next = p [1248] * C: A->next [1235] * C: A->next->datum++ [1235] * C: A->next->datum++ [1235] * C: A->next->datum [1235] * C: p = A->next [1254] * C: A = malloc(sizeof(struct s)) [1246] * C: p -> next = ((void *)0) [1229] * C: p = B->next [1258] * C: p -> datum = x [1228] * C: B->next [1251] * C: B->next [1258] * C: A->next->datum [1235] * C: p = B->next [1258] * C: A->next->datum [1235] * C: A->next->datum++ [1235] * C: B->next = p [1251] * C: printf("%d\n", p->datum) [1255] * C: B->next = p [1251] * C: init(A,3) [1247] * C: A->next = p [1248] * C: p = B->next [1258] * C: p -> datum = x [1228] * C: printf("%d\n", p->datum) [1255] * C: p -> datum = x [1228] * C: B->next = p [1251] * C: p = A->next [1254] * C: A->next = p [1248] * C: A->next->datum++ [1235] * C: p -> next = ((void *)0) [1229] * C: A->next [1254] * C: p = A->next [1254] * C: B = malloc(sizeof(struct s)) [1249] * C: A->next->datum [1235] * C: printf("%d\n", p->datum) [1255] * C: printf("%d\n", p->datum) [1259] * C: p -> datum = x [1228] * C: init(B,5) [1250] * C: p = B->next [1258] * C: B->next = p [1251] * C: p -> next = ((void *)0) [1229] * C: printf("%d\n", p->datum) [1255] * C: A->next [1248] * C: A->next = p [1248] * C: p -> next = ((void *)0) [1229] * C: p = A->next [1254] and C: A->next->datum++ [1235] - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1246]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1247]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1248]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1248]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1249]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1250]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1251]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1251]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1254]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1254]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1255]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1258]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1258]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1259]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1252]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1235]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1235]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1235]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1238]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1238]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1238]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1238]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 348 locations, 37 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: 563.9s, OverallIterations: 17, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 36.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 518.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6169 SdHoareTripleChecker+Valid, 30.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4325 mSDsluCounter, 1401 SdHoareTripleChecker+Invalid, 28.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1097 mSDsCounter, 1610 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16699 IncrementalHoareTripleChecker+Invalid, 18309 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1610 mSolverCounterUnsat, 304 mSDtfsCounter, 16699 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 136 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5576occurred in iteration=16, InterpolantAutomatonStates: 121, 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: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 8.1s InterpolantComputationTime, 485 NumberOfCodeBlocks, 485 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 421 ConstructedInterpolants, 0 QuantifiedInterpolants, 4948 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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 RESULT: Ultimate proved your program to be incorrect! [2022-12-13 17:27:13,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e95477-eec6-4297-a4f8-cfe7097b89c2/bin/uautomizer-uyxdKDjOR8/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE