./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_02-list_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b 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_7e32a83e-d3bc-4956-9522-e6d84efd0669/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e32a83e-d3bc-4956-9522-e6d84efd0669/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e32a83e-d3bc-4956-9522-e6d84efd0669/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e32a83e-d3bc-4956-9522-e6d84efd0669/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_02-list_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e32a83e-d3bc-4956-9522-e6d84efd0669/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e32a83e-d3bc-4956-9522-e6d84efd0669/bin/uautomizer-TMbwUNV5ro --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 68b918b5051efa1a4363a7cd528e42e31cd4f687fef5116849d37b2131e9c46c --- 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-8393723 [2022-11-18 20:03:57,187 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:03:57,190 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:03:57,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:03:57,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:03:57,241 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:03:57,244 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:03:57,249 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:03:57,251 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:03:57,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:03:57,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:03:57,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:03:57,257 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:03:57,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:03:57,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:03:57,262 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:03:57,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:03:57,265 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:03:57,267 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:03:57,269 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:03:57,271 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:03:57,273 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:03:57,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:03:57,276 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:03:57,280 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:03:57,281 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:03:57,281 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:03:57,282 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:03:57,283 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:03:57,284 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:03:57,285 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:03:57,286 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:03:57,287 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:03:57,288 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:03:57,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:03:57,291 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:03:57,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:03:57,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:03:57,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:03:57,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:03:57,295 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:03:57,296 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e32a83e-d3bc-4956-9522-e6d84efd0669/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-18 20:03:57,328 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:03:57,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:03:57,329 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:03:57,329 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:03:57,331 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:03:57,331 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:03:57,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:03:57,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:03:57,334 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:03:57,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:03:57,336 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:03:57,336 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:03:57,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:03:57,337 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:03:57,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:03:57,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:03:57,338 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:03:57,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:03:57,338 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-18 20:03:57,339 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:03:57,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:03:57,339 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:03:57,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:03:57,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:03:57,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:03:57,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:03:57,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:03:57,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:03:57,344 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:03:57,344 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:03:57,344 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:03:57,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:03:57,345 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:03:57,345 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:03:57,345 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:03:57,346 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e32a83e-d3bc-4956-9522-e6d84efd0669/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e32a83e-d3bc-4956-9522-e6d84efd0669/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68b918b5051efa1a4363a7cd528e42e31cd4f687fef5116849d37b2131e9c46c [2022-11-18 20:03:57,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:03:57,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:03:57,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:03:57,755 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:03:57,757 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:03:57,759 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e32a83e-d3bc-4956-9522-e6d84efd0669/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/goblint-regression/09-regions_02-list_nr.i [2022-11-18 20:03:57,856 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e32a83e-d3bc-4956-9522-e6d84efd0669/bin/uautomizer-TMbwUNV5ro/data/56d2c7cb4/fc8c26495bfd420e878133e40849cf2d/FLAGe054f290d [2022-11-18 20:03:58,693 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:03:58,693 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e32a83e-d3bc-4956-9522-e6d84efd0669/sv-benchmarks/c/goblint-regression/09-regions_02-list_nr.i [2022-11-18 20:03:58,715 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e32a83e-d3bc-4956-9522-e6d84efd0669/bin/uautomizer-TMbwUNV5ro/data/56d2c7cb4/fc8c26495bfd420e878133e40849cf2d/FLAGe054f290d [2022-11-18 20:03:58,902 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e32a83e-d3bc-4956-9522-e6d84efd0669/bin/uautomizer-TMbwUNV5ro/data/56d2c7cb4/fc8c26495bfd420e878133e40849cf2d [2022-11-18 20:03:58,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:03:58,910 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:03:58,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:03:58,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:03:58,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:03:58,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:03:58" (1/1) ... [2022-11-18 20:03:58,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8f188ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:03:58, skipping insertion in model container [2022-11-18 20:03:58,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:03:58" (1/1) ... [2022-11-18 20:03:58,933 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:03:59,019 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:04:00,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:04:00,157 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:04:00,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:04:00,353 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:04:00,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:04:00 WrapperNode [2022-11-18 20:04:00,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:04:00,356 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:04:00,357 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:04:00,357 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:04:00,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:04:00" (1/1) ... [2022-11-18 20:04:00,408 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:04:00" (1/1) ... [2022-11-18 20:04:00,478 INFO L138 Inliner]: procedures = 368, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 172 [2022-11-18 20:04:00,479 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:04:00,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:04:00,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:04:00,480 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:04:00,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:04:00" (1/1) ... [2022-11-18 20:04:00,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:04:00" (1/1) ... [2022-11-18 20:04:00,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:04:00" (1/1) ... [2022-11-18 20:04:00,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:04:00" (1/1) ... [2022-11-18 20:04:00,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:04:00" (1/1) ... [2022-11-18 20:04:00,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:04:00" (1/1) ... [2022-11-18 20:04:00,564 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:04:00" (1/1) ... [2022-11-18 20:04:00,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:04:00" (1/1) ... [2022-11-18 20:04:00,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:04:00,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:04:00,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:04:00,572 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:04:00,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:04:00" (1/1) ... [2022-11-18 20:04:00,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:04:00,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e32a83e-d3bc-4956-9522-e6d84efd0669/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:04:00,624 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e32a83e-d3bc-4956-9522-e6d84efd0669/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:04:00,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e32a83e-d3bc-4956-9522-e6d84efd0669/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:04:00,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:04:00,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 20:04:00,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:04:00,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:04:00,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:04:00,678 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-18 20:04:00,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 20:04:00,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:04:00,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 20:04:00,679 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-18 20:04:00,679 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-18 20:04:00,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:04:00,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:04:00,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:04:00,682 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 20:04:00,878 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:04:00,880 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:04:01,605 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:04:01,618 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:04:01,618 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 20:04:01,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:04:01 BoogieIcfgContainer [2022-11-18 20:04:01,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:04:01,626 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:04:01,626 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:04:01,633 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:04:01,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:03:58" (1/3) ... [2022-11-18 20:04:01,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16db3672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:04:01, skipping insertion in model container [2022-11-18 20:04:01,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:04:00" (2/3) ... [2022-11-18 20:04:01,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16db3672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:04:01, skipping insertion in model container [2022-11-18 20:04:01,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:04:01" (3/3) ... [2022-11-18 20:04:01,638 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_02-list_nr.i [2022-11-18 20:04:01,655 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 20:04:01,669 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:04:01,670 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-11-18 20:04:01,670 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 20:04:01,848 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-18 20:04:01,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 208 places, 204 transitions, 413 flow [2022-11-18 20:04:01,995 INFO L130 PetriNetUnfolder]: 0/203 cut-off events. [2022-11-18 20:04:01,996 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:04:02,000 INFO L83 FinitePrefix]: Finished finitePrefix Result has 207 conditions, 203 events. 0/203 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 85 event pairs, 0 based on Foata normal form. 0/185 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-11-18 20:04:02,000 INFO L82 GeneralOperation]: Start removeDead. Operand has 208 places, 204 transitions, 413 flow [2022-11-18 20:04:02,008 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 207 places, 203 transitions, 409 flow [2022-11-18 20:04:02,021 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:04:02,029 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;@19548e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:04:02,029 INFO L358 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2022-11-18 20:04:02,041 INFO L130 PetriNetUnfolder]: 0/40 cut-off events. [2022-11-18 20:04:02,042 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:04:02,042 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:04:02,043 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] [2022-11-18 20:04:02,043 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-18 20:04:02,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:02,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1854556741, now seen corresponding path program 1 times [2022-11-18 20:04:02,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:02,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590990557] [2022-11-18 20:04:02,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:02,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:02,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:03,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:04:03,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:04:03,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590990557] [2022-11-18 20:04:03,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590990557] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:04:03,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:04:03,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:04:03,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536134730] [2022-11-18 20:04:03,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:04:03,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:04:03,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:04:03,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:04:03,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:04:03,303 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 204 [2022-11-18 20:04:03,309 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 203 transitions, 409 flow. Second operand has 6 states, 6 states have (on average 120.5) internal successors, (723), 6 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:03,309 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:04:03,309 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 204 [2022-11-18 20:04:03,311 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:04:04,164 INFO L130 PetriNetUnfolder]: 360/1266 cut-off events. [2022-11-18 20:04:04,164 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-18 20:04:04,180 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2074 conditions, 1266 events. 360/1266 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6589 event pairs, 360 based on Foata normal form. 0/1094 useless extension candidates. Maximal degree in co-relation 1926. Up to 794 conditions per place. [2022-11-18 20:04:04,191 INFO L137 encePairwiseOnDemand]: 192/204 looper letters, 73 selfloop transitions, 10 changer transitions 0/201 dead transitions. [2022-11-18 20:04:04,191 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 201 transitions, 571 flow [2022-11-18 20:04:04,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:04:04,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 20:04:04,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 799 transitions. [2022-11-18 20:04:04,230 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6527777777777778 [2022-11-18 20:04:04,232 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 799 transitions. [2022-11-18 20:04:04,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 799 transitions. [2022-11-18 20:04:04,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:04:04,242 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 799 transitions. [2022-11-18 20:04:04,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 133.16666666666666) internal successors, (799), 6 states have internal predecessors, (799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:04,264 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 204.0) internal successors, (1428), 7 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:04,266 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 204.0) internal successors, (1428), 7 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:04,268 INFO L175 Difference]: Start difference. First operand has 207 places, 203 transitions, 409 flow. Second operand 6 states and 799 transitions. [2022-11-18 20:04:04,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 201 transitions, 571 flow [2022-11-18 20:04:04,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 201 transitions, 570 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 20:04:04,288 INFO L231 Difference]: Finished difference. Result has 209 places, 201 transitions, 424 flow [2022-11-18 20:04:04,291 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=204, PETRI_DIFFERENCE_MINUEND_FLOW=404, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=424, PETRI_PLACES=209, PETRI_TRANSITIONS=201} [2022-11-18 20:04:04,297 INFO L288 CegarLoopForPetriNet]: 207 programPoint places, 2 predicate places. [2022-11-18 20:04:04,298 INFO L495 AbstractCegarLoop]: Abstraction has has 209 places, 201 transitions, 424 flow [2022-11-18 20:04:04,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 120.5) internal successors, (723), 6 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:04,300 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:04:04,300 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:04:04,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:04:04,301 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-18 20:04:04,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:04,305 INFO L85 PathProgramCache]: Analyzing trace with hash 632162598, now seen corresponding path program 1 times [2022-11-18 20:04:04,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:04,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504196786] [2022-11-18 20:04:04,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:04,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:04,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:04,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:04:04,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:04:04,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504196786] [2022-11-18 20:04:04,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504196786] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:04:04,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:04:04,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:04:04,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131789923] [2022-11-18 20:04:04,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:04:04,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:04:04,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:04:04,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:04:04,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:04:04,940 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 204 [2022-11-18 20:04:04,942 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 201 transitions, 424 flow. Second operand has 6 states, 6 states have (on average 121.5) internal successors, (729), 6 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:04,943 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:04:04,943 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 204 [2022-11-18 20:04:04,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:04:05,508 INFO L130 PetriNetUnfolder]: 360/1264 cut-off events. [2022-11-18 20:04:05,509 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-18 20:04:05,511 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2080 conditions, 1264 events. 360/1264 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6569 event pairs, 360 based on Foata normal form. 0/1094 useless extension candidates. Maximal degree in co-relation 1968. Up to 792 conditions per place. [2022-11-18 20:04:05,521 INFO L137 encePairwiseOnDemand]: 192/204 looper letters, 71 selfloop transitions, 10 changer transitions 0/199 dead transitions. [2022-11-18 20:04:05,521 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 199 transitions, 582 flow [2022-11-18 20:04:05,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:04:05,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 20:04:05,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 797 transitions. [2022-11-18 20:04:05,525 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6511437908496732 [2022-11-18 20:04:05,525 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 797 transitions. [2022-11-18 20:04:05,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 797 transitions. [2022-11-18 20:04:05,526 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:04:05,526 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 797 transitions. [2022-11-18 20:04:05,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 132.83333333333334) internal successors, (797), 6 states have internal predecessors, (797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:05,533 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 204.0) internal successors, (1428), 7 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:05,534 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 204.0) internal successors, (1428), 7 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:05,535 INFO L175 Difference]: Start difference. First operand has 209 places, 201 transitions, 424 flow. Second operand 6 states and 797 transitions. [2022-11-18 20:04:05,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 199 transitions, 582 flow [2022-11-18 20:04:05,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 199 transitions, 562 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-18 20:04:05,549 INFO L231 Difference]: Finished difference. Result has 207 places, 199 transitions, 420 flow [2022-11-18 20:04:05,550 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=204, PETRI_DIFFERENCE_MINUEND_FLOW=400, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=420, PETRI_PLACES=207, PETRI_TRANSITIONS=199} [2022-11-18 20:04:05,551 INFO L288 CegarLoopForPetriNet]: 207 programPoint places, 0 predicate places. [2022-11-18 20:04:05,551 INFO L495 AbstractCegarLoop]: Abstraction has has 207 places, 199 transitions, 420 flow [2022-11-18 20:04:05,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 121.5) internal successors, (729), 6 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:05,552 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:04:05,553 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:04:05,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:04:05,553 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-18 20:04:05,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:05,557 INFO L85 PathProgramCache]: Analyzing trace with hash -234681239, now seen corresponding path program 1 times [2022-11-18 20:04:05,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:05,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839503438] [2022-11-18 20:04:05,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:05,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:05,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:04:05,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:04:05,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839503438] [2022-11-18 20:04:05,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839503438] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:04:05,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:04:05,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:04:05,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949351462] [2022-11-18 20:04:05,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:04:05,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:04:05,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:04:05,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:04:05,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:04:05,671 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 204 [2022-11-18 20:04:05,672 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 199 transitions, 420 flow. Second operand has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:05,672 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:04:05,672 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 204 [2022-11-18 20:04:05,673 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:04:05,824 INFO L130 PetriNetUnfolder]: 18/349 cut-off events. [2022-11-18 20:04:05,825 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:04:05,825 INFO L83 FinitePrefix]: Finished finitePrefix Result has 421 conditions, 349 events. 18/349 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 798 event pairs, 18 based on Foata normal form. 0/310 useless extension candidates. Maximal degree in co-relation 318. Up to 56 conditions per place. [2022-11-18 20:04:05,827 INFO L137 encePairwiseOnDemand]: 201/204 looper letters, 19 selfloop transitions, 2 changer transitions 0/198 dead transitions. [2022-11-18 20:04:05,828 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 198 transitions, 460 flow [2022-11-18 20:04:05,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:04:05,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:04:05,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 568 transitions. [2022-11-18 20:04:05,832 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9281045751633987 [2022-11-18 20:04:05,833 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 568 transitions. [2022-11-18 20:04:05,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 568 transitions. [2022-11-18 20:04:05,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:04:05,835 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 568 transitions. [2022-11-18 20:04:05,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:05,839 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 204.0) internal successors, (816), 4 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:05,840 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 204.0) internal successors, (816), 4 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:05,841 INFO L175 Difference]: Start difference. First operand has 207 places, 199 transitions, 420 flow. Second operand 3 states and 568 transitions. [2022-11-18 20:04:05,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 198 transitions, 460 flow [2022-11-18 20:04:05,844 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 198 transitions, 440 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-18 20:04:05,849 INFO L231 Difference]: Finished difference. Result has 203 places, 198 transitions, 402 flow [2022-11-18 20:04:05,850 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=204, PETRI_DIFFERENCE_MINUEND_FLOW=398, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=402, PETRI_PLACES=203, PETRI_TRANSITIONS=198} [2022-11-18 20:04:05,853 INFO L288 CegarLoopForPetriNet]: 207 programPoint places, -4 predicate places. [2022-11-18 20:04:05,854 INFO L495 AbstractCegarLoop]: Abstraction has has 203 places, 198 transitions, 402 flow [2022-11-18 20:04:05,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:05,855 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:04:05,856 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:04:05,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:04:05,856 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-18 20:04:05,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:05,858 INFO L85 PathProgramCache]: Analyzing trace with hash -403060252, now seen corresponding path program 1 times [2022-11-18 20:04:05,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:05,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236169924] [2022-11-18 20:04:05,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:05,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:05,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:05,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:04:05,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:04:05,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236169924] [2022-11-18 20:04:05,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236169924] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:04:05,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:04:05,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:04:05,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959938444] [2022-11-18 20:04:05,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:04:05,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:04:05,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:04:05,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:04:05,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:04:05,972 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 204 [2022-11-18 20:04:05,974 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 198 transitions, 402 flow. Second operand has 3 states, 3 states have (on average 186.33333333333334) internal successors, (559), 3 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:05,974 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:04:05,974 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 204 [2022-11-18 20:04:05,975 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:04:06,069 INFO L130 PetriNetUnfolder]: 8/294 cut-off events. [2022-11-18 20:04:06,069 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-18 20:04:06,070 INFO L83 FinitePrefix]: Finished finitePrefix Result has 330 conditions, 294 events. 8/294 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 485 event pairs, 8 based on Foata normal form. 0/276 useless extension candidates. Maximal degree in co-relation 265. Up to 27 conditions per place. [2022-11-18 20:04:06,071 INFO L137 encePairwiseOnDemand]: 198/204 looper letters, 12 selfloop transitions, 1 changer transitions 0/193 dead transitions. [2022-11-18 20:04:06,072 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 193 transitions, 418 flow [2022-11-18 20:04:06,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:04:06,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:04:06,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 573 transitions. [2022-11-18 20:04:06,075 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9362745098039216 [2022-11-18 20:04:06,075 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 573 transitions. [2022-11-18 20:04:06,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 573 transitions. [2022-11-18 20:04:06,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:04:06,077 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 573 transitions. [2022-11-18 20:04:06,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 191.0) internal successors, (573), 3 states have internal predecessors, (573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:06,087 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 204.0) internal successors, (816), 4 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:06,088 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 204.0) internal successors, (816), 4 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:06,088 INFO L175 Difference]: Start difference. First operand has 203 places, 198 transitions, 402 flow. Second operand 3 states and 573 transitions. [2022-11-18 20:04:06,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 193 transitions, 418 flow [2022-11-18 20:04:06,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 193 transitions, 414 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:04:06,094 INFO L231 Difference]: Finished difference. Result has 198 places, 193 transitions, 390 flow [2022-11-18 20:04:06,095 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=204, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=390, PETRI_PLACES=198, PETRI_TRANSITIONS=193} [2022-11-18 20:04:06,097 INFO L288 CegarLoopForPetriNet]: 207 programPoint places, -9 predicate places. [2022-11-18 20:04:06,099 INFO L495 AbstractCegarLoop]: Abstraction has has 198 places, 193 transitions, 390 flow [2022-11-18 20:04:06,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 186.33333333333334) internal successors, (559), 3 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:06,100 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:04:06,101 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:04:06,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:04:06,103 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-18 20:04:06,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:06,104 INFO L85 PathProgramCache]: Analyzing trace with hash -427674647, now seen corresponding path program 1 times [2022-11-18 20:04:06,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:06,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546074282] [2022-11-18 20:04:06,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:06,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:06,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:04:06,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:04:06,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546074282] [2022-11-18 20:04:06,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546074282] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:04:06,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:04:06,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:04:06,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865827641] [2022-11-18 20:04:06,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:04:06,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:04:06,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:04:06,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:04:06,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:04:06,909 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 204 [2022-11-18 20:04:06,911 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 193 transitions, 390 flow. Second operand has 6 states, 6 states have (on average 126.16666666666667) internal successors, (757), 6 states have internal predecessors, (757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:06,911 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:04:06,912 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 204 [2022-11-18 20:04:06,912 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:04:07,400 INFO L130 PetriNetUnfolder]: 416/1342 cut-off events. [2022-11-18 20:04:07,400 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:04:07,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2258 conditions, 1342 events. 416/1342 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 6878 event pairs, 416 based on Foata normal form. 0/1193 useless extension candidates. Maximal degree in co-relation 2182. Up to 906 conditions per place. [2022-11-18 20:04:07,410 INFO L137 encePairwiseOnDemand]: 198/204 looper letters, 73 selfloop transitions, 5 changer transitions 0/192 dead transitions. [2022-11-18 20:04:07,410 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 192 transitions, 544 flow [2022-11-18 20:04:07,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:04:07,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 20:04:07,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 805 transitions. [2022-11-18 20:04:07,414 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6576797385620915 [2022-11-18 20:04:07,415 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 805 transitions. [2022-11-18 20:04:07,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 805 transitions. [2022-11-18 20:04:07,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:04:07,416 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 805 transitions. [2022-11-18 20:04:07,418 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 134.16666666666666) internal successors, (805), 6 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:07,421 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 204.0) internal successors, (1428), 7 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:07,422 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 204.0) internal successors, (1428), 7 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:07,422 INFO L175 Difference]: Start difference. First operand has 198 places, 193 transitions, 390 flow. Second operand 6 states and 805 transitions. [2022-11-18 20:04:07,422 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 192 transitions, 544 flow [2022-11-18 20:04:07,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 192 transitions, 543 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 20:04:07,428 INFO L231 Difference]: Finished difference. Result has 201 places, 192 transitions, 397 flow [2022-11-18 20:04:07,428 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=204, PETRI_DIFFERENCE_MINUEND_FLOW=387, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=397, PETRI_PLACES=201, PETRI_TRANSITIONS=192} [2022-11-18 20:04:07,432 INFO L288 CegarLoopForPetriNet]: 207 programPoint places, -6 predicate places. [2022-11-18 20:04:07,432 INFO L495 AbstractCegarLoop]: Abstraction has has 201 places, 192 transitions, 397 flow [2022-11-18 20:04:07,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 126.16666666666667) internal successors, (757), 6 states have internal predecessors, (757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:07,433 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:04:07,434 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:04:07,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:04:07,434 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-18 20:04:07,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:07,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1404598118, now seen corresponding path program 1 times [2022-11-18 20:04:07,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:07,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895265059] [2022-11-18 20:04:07,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:07,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:08,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:04:08,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:04:08,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895265059] [2022-11-18 20:04:08,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895265059] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:04:08,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:04:08,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:04:08,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104251897] [2022-11-18 20:04:08,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:04:08,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:04:08,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:04:08,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:04:08,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:04:08,310 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 204 [2022-11-18 20:04:08,311 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 192 transitions, 397 flow. Second operand has 6 states, 6 states have (on average 130.0) internal successors, (780), 6 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:08,311 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:04:08,311 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 204 [2022-11-18 20:04:08,312 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:04:09,531 INFO L130 PetriNetUnfolder]: 748/2357 cut-off events. [2022-11-18 20:04:09,531 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-18 20:04:09,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3990 conditions, 2357 events. 748/2357 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 14748 event pairs, 64 based on Foata normal form. 0/2104 useless extension candidates. Maximal degree in co-relation 3915. Up to 781 conditions per place. [2022-11-18 20:04:09,549 INFO L137 encePairwiseOnDemand]: 176/204 looper letters, 161 selfloop transitions, 70 changer transitions 0/348 dead transitions. [2022-11-18 20:04:09,549 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 348 transitions, 1171 flow [2022-11-18 20:04:09,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:04:09,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 20:04:09,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 977 transitions. [2022-11-18 20:04:09,554 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.798202614379085 [2022-11-18 20:04:09,554 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 977 transitions. [2022-11-18 20:04:09,554 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 977 transitions. [2022-11-18 20:04:09,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:04:09,555 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 977 transitions. [2022-11-18 20:04:09,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 162.83333333333334) internal successors, (977), 6 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:09,562 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 204.0) internal successors, (1428), 7 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:09,563 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 204.0) internal successors, (1428), 7 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:09,563 INFO L175 Difference]: Start difference. First operand has 201 places, 192 transitions, 397 flow. Second operand 6 states and 977 transitions. [2022-11-18 20:04:09,563 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 348 transitions, 1171 flow [2022-11-18 20:04:09,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 348 transitions, 1161 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-18 20:04:09,574 INFO L231 Difference]: Finished difference. Result has 205 places, 262 transitions, 865 flow [2022-11-18 20:04:09,574 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=204, PETRI_DIFFERENCE_MINUEND_FLOW=385, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=865, PETRI_PLACES=205, PETRI_TRANSITIONS=262} [2022-11-18 20:04:09,578 INFO L288 CegarLoopForPetriNet]: 207 programPoint places, -2 predicate places. [2022-11-18 20:04:09,578 INFO L495 AbstractCegarLoop]: Abstraction has has 205 places, 262 transitions, 865 flow [2022-11-18 20:04:09,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 130.0) internal successors, (780), 6 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:09,579 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:04:09,580 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:04:09,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 20:04:09,580 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-18 20:04:09,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:09,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1990532375, now seen corresponding path program 1 times [2022-11-18 20:04:09,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:09,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490279818] [2022-11-18 20:04:09,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:09,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:09,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:10,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:04:10,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:04:10,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490279818] [2022-11-18 20:04:10,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490279818] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:04:10,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:04:10,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:04:10,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278816996] [2022-11-18 20:04:10,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:04:10,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:04:10,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:04:10,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:04:10,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:04:10,293 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 204 [2022-11-18 20:04:10,294 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 262 transitions, 865 flow. Second operand has 6 states, 6 states have (on average 130.83333333333334) internal successors, (785), 6 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:10,294 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:04:10,295 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 204 [2022-11-18 20:04:10,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:04:11,375 INFO L130 PetriNetUnfolder]: 836/2664 cut-off events. [2022-11-18 20:04:11,376 INFO L131 PetriNetUnfolder]: For 876/876 co-relation queries the response was YES. [2022-11-18 20:04:11,385 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5897 conditions, 2664 events. 836/2664 cut-off events. For 876/876 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 17157 event pairs, 379 based on Foata normal form. 0/2480 useless extension candidates. Maximal degree in co-relation 5820. Up to 1690 conditions per place. [2022-11-18 20:04:11,401 INFO L137 encePairwiseOnDemand]: 189/204 looper letters, 156 selfloop transitions, 48 changer transitions 0/322 dead transitions. [2022-11-18 20:04:11,401 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 322 transitions, 1489 flow [2022-11-18 20:04:11,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:04:11,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 20:04:11,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 877 transitions. [2022-11-18 20:04:11,407 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7165032679738562 [2022-11-18 20:04:11,407 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 877 transitions. [2022-11-18 20:04:11,407 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 877 transitions. [2022-11-18 20:04:11,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:04:11,408 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 877 transitions. [2022-11-18 20:04:11,412 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 146.16666666666666) internal successors, (877), 6 states have internal predecessors, (877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:11,416 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 204.0) internal successors, (1428), 7 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:11,417 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 204.0) internal successors, (1428), 7 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:11,417 INFO L175 Difference]: Start difference. First operand has 205 places, 262 transitions, 865 flow. Second operand 6 states and 877 transitions. [2022-11-18 20:04:11,417 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 322 transitions, 1489 flow [2022-11-18 20:04:11,438 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 322 transitions, 1489 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 20:04:11,446 INFO L231 Difference]: Finished difference. Result has 215 places, 305 transitions, 1253 flow [2022-11-18 20:04:11,447 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=204, PETRI_DIFFERENCE_MINUEND_FLOW=865, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1253, PETRI_PLACES=215, PETRI_TRANSITIONS=305} [2022-11-18 20:04:11,447 INFO L288 CegarLoopForPetriNet]: 207 programPoint places, 8 predicate places. [2022-11-18 20:04:11,448 INFO L495 AbstractCegarLoop]: Abstraction has has 215 places, 305 transitions, 1253 flow [2022-11-18 20:04:11,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 130.83333333333334) internal successors, (785), 6 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:11,449 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:04:11,449 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:04:11,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 20:04:11,450 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-18 20:04:11,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:11,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1198534900, now seen corresponding path program 1 times [2022-11-18 20:04:11,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:11,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140532648] [2022-11-18 20:04:11,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:11,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:12,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:04:12,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:04:12,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140532648] [2022-11-18 20:04:12,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140532648] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:04:12,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:04:12,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:04:12,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847018123] [2022-11-18 20:04:12,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:04:12,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:04:12,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:04:12,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:04:12,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:04:12,237 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 204 [2022-11-18 20:04:12,239 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 305 transitions, 1253 flow. Second operand has 6 states, 6 states have (on average 132.0) internal successors, (792), 6 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:12,239 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:04:12,239 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 204 [2022-11-18 20:04:12,239 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:04:13,710 INFO L130 PetriNetUnfolder]: 1029/3395 cut-off events. [2022-11-18 20:04:13,711 INFO L131 PetriNetUnfolder]: For 2078/2142 co-relation queries the response was YES. [2022-11-18 20:04:13,727 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8409 conditions, 3395 events. 1029/3395 cut-off events. For 2078/2142 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 24213 event pairs, 200 based on Foata normal form. 0/3265 useless extension candidates. Maximal degree in co-relation 8324. Up to 1659 conditions per place. [2022-11-18 20:04:13,747 INFO L137 encePairwiseOnDemand]: 182/204 looper letters, 262 selfloop transitions, 135 changer transitions 4/520 dead transitions. [2022-11-18 20:04:13,747 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 520 transitions, 3147 flow [2022-11-18 20:04:13,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:04:13,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 20:04:13,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 944 transitions. [2022-11-18 20:04:13,751 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7712418300653595 [2022-11-18 20:04:13,751 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 944 transitions. [2022-11-18 20:04:13,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 944 transitions. [2022-11-18 20:04:13,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:04:13,753 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 944 transitions. [2022-11-18 20:04:13,756 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 157.33333333333334) internal successors, (944), 6 states have internal predecessors, (944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:13,759 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 204.0) internal successors, (1428), 7 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:13,760 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 204.0) internal successors, (1428), 7 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:13,760 INFO L175 Difference]: Start difference. First operand has 215 places, 305 transitions, 1253 flow. Second operand 6 states and 944 transitions. [2022-11-18 20:04:13,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 520 transitions, 3147 flow [2022-11-18 20:04:13,778 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 520 transitions, 3129 flow, removed 9 selfloop flow, removed 0 redundant places. [2022-11-18 20:04:13,869 INFO L231 Difference]: Finished difference. Result has 225 places, 435 transitions, 2593 flow [2022-11-18 20:04:13,870 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=204, PETRI_DIFFERENCE_MINUEND_FLOW=1235, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2593, PETRI_PLACES=225, PETRI_TRANSITIONS=435} [2022-11-18 20:04:13,871 INFO L288 CegarLoopForPetriNet]: 207 programPoint places, 18 predicate places. [2022-11-18 20:04:13,871 INFO L495 AbstractCegarLoop]: Abstraction has has 225 places, 435 transitions, 2593 flow [2022-11-18 20:04:13,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 132.0) internal successors, (792), 6 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:13,872 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:04:13,873 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:04:13,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 20:04:13,873 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-18 20:04:13,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:13,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1115363597, now seen corresponding path program 1 times [2022-11-18 20:04:13,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:13,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678976534] [2022-11-18 20:04:13,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:13,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:15,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:04:15,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:04:15,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678976534] [2022-11-18 20:04:15,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678976534] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:04:15,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:04:15,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 20:04:15,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273858366] [2022-11-18 20:04:15,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:04:15,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 20:04:15,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:04:15,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 20:04:15,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:04:15,458 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 204 [2022-11-18 20:04:15,460 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 435 transitions, 2593 flow. Second operand has 13 states, 13 states have (on average 110.92307692307692) internal successors, (1442), 13 states have internal predecessors, (1442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:15,460 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:04:15,460 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 204 [2022-11-18 20:04:15,461 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:04:19,325 INFO L130 PetriNetUnfolder]: 1672/5518 cut-off events. [2022-11-18 20:04:19,325 INFO L131 PetriNetUnfolder]: For 6152/6241 co-relation queries the response was YES. [2022-11-18 20:04:19,352 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15806 conditions, 5518 events. 1672/5518 cut-off events. For 6152/6241 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 45395 event pairs, 286 based on Foata normal form. 26/5398 useless extension candidates. Maximal degree in co-relation 15710. Up to 1193 conditions per place. [2022-11-18 20:04:19,396 INFO L137 encePairwiseOnDemand]: 167/204 looper letters, 619 selfloop transitions, 192 changer transitions 6/918 dead transitions. [2022-11-18 20:04:19,396 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 918 transitions, 7275 flow [2022-11-18 20:04:19,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-18 20:04:19,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2022-11-18 20:04:19,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2589 transitions. [2022-11-18 20:04:19,406 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6345588235294117 [2022-11-18 20:04:19,407 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2589 transitions. [2022-11-18 20:04:19,407 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2589 transitions. [2022-11-18 20:04:19,409 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:04:19,409 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2589 transitions. [2022-11-18 20:04:19,417 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 129.45) internal successors, (2589), 20 states have internal predecessors, (2589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:19,426 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 204.0) internal successors, (4284), 21 states have internal predecessors, (4284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:19,430 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 204.0) internal successors, (4284), 21 states have internal predecessors, (4284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:19,430 INFO L175 Difference]: Start difference. First operand has 225 places, 435 transitions, 2593 flow. Second operand 20 states and 2589 transitions. [2022-11-18 20:04:19,430 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 918 transitions, 7275 flow [2022-11-18 20:04:19,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 918 transitions, 7203 flow, removed 36 selfloop flow, removed 0 redundant places. [2022-11-18 20:04:19,507 INFO L231 Difference]: Finished difference. Result has 260 places, 532 transitions, 4251 flow [2022-11-18 20:04:19,508 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=204, PETRI_DIFFERENCE_MINUEND_FLOW=2557, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=97, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=4251, PETRI_PLACES=260, PETRI_TRANSITIONS=532} [2022-11-18 20:04:19,509 INFO L288 CegarLoopForPetriNet]: 207 programPoint places, 53 predicate places. [2022-11-18 20:04:19,509 INFO L495 AbstractCegarLoop]: Abstraction has has 260 places, 532 transitions, 4251 flow [2022-11-18 20:04:19,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 110.92307692307692) internal successors, (1442), 13 states have internal predecessors, (1442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:19,511 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:04:19,511 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:04:19,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 20:04:19,511 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-18 20:04:19,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:19,512 INFO L85 PathProgramCache]: Analyzing trace with hash -2128808489, now seen corresponding path program 2 times [2022-11-18 20:04:19,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:19,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643538633] [2022-11-18 20:04:19,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:19,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:20,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:04:20,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:04:20,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643538633] [2022-11-18 20:04:20,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643538633] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:04:20,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:04:20,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 20:04:20,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023283902] [2022-11-18 20:04:20,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:04:20,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 20:04:20,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:04:20,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 20:04:20,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:04:20,573 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 204 [2022-11-18 20:04:20,575 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 260 places, 532 transitions, 4251 flow. Second operand has 13 states, 13 states have (on average 110.92307692307692) internal successors, (1442), 13 states have internal predecessors, (1442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:20,575 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:04:20,575 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 204 [2022-11-18 20:04:20,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:04:25,466 INFO L130 PetriNetUnfolder]: 1848/6132 cut-off events. [2022-11-18 20:04:25,467 INFO L131 PetriNetUnfolder]: For 10467/10634 co-relation queries the response was YES. [2022-11-18 20:04:25,548 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19661 conditions, 6132 events. 1848/6132 cut-off events. For 10467/10634 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 51295 event pairs, 277 based on Foata normal form. 48/5988 useless extension candidates. Maximal degree in co-relation 19545. Up to 2087 conditions per place. [2022-11-18 20:04:25,580 INFO L137 encePairwiseOnDemand]: 178/204 looper letters, 721 selfloop transitions, 141 changer transitions 6/969 dead transitions. [2022-11-18 20:04:25,580 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 969 transitions, 8875 flow [2022-11-18 20:04:25,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-18 20:04:25,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2022-11-18 20:04:25,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 3533 transitions. [2022-11-18 20:04:25,593 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5971940500338067 [2022-11-18 20:04:25,594 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 3533 transitions. [2022-11-18 20:04:25,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 3533 transitions. [2022-11-18 20:04:25,597 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:04:25,597 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 3533 transitions. [2022-11-18 20:04:25,612 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 121.82758620689656) internal successors, (3533), 29 states have internal predecessors, (3533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:25,795 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 204.0) internal successors, (6120), 30 states have internal predecessors, (6120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:25,798 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 204.0) internal successors, (6120), 30 states have internal predecessors, (6120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:25,799 INFO L175 Difference]: Start difference. First operand has 260 places, 532 transitions, 4251 flow. Second operand 29 states and 3533 transitions. [2022-11-18 20:04:25,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 969 transitions, 8875 flow [2022-11-18 20:04:25,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 969 transitions, 8865 flow, removed 3 selfloop flow, removed 2 redundant places. [2022-11-18 20:04:25,919 INFO L231 Difference]: Finished difference. Result has 294 places, 599 transitions, 5253 flow [2022-11-18 20:04:25,921 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=204, PETRI_DIFFERENCE_MINUEND_FLOW=4241, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=532, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=419, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=5253, PETRI_PLACES=294, PETRI_TRANSITIONS=599} [2022-11-18 20:04:25,921 INFO L288 CegarLoopForPetriNet]: 207 programPoint places, 87 predicate places. [2022-11-18 20:04:25,922 INFO L495 AbstractCegarLoop]: Abstraction has has 294 places, 599 transitions, 5253 flow [2022-11-18 20:04:25,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 110.92307692307692) internal successors, (1442), 13 states have internal predecessors, (1442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:25,923 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:04:25,923 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:04:25,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 20:04:25,924 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-18 20:04:25,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:25,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1280765513, now seen corresponding path program 3 times [2022-11-18 20:04:25,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:25,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057409254] [2022-11-18 20:04:25,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:25,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:26,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:04:26,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:04:26,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057409254] [2022-11-18 20:04:26,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057409254] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:04:26,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:04:26,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 20:04:26,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965658353] [2022-11-18 20:04:26,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:04:26,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 20:04:26,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:04:26,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 20:04:26,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:04:26,764 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 204 [2022-11-18 20:04:26,766 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 599 transitions, 5253 flow. Second operand has 13 states, 13 states have (on average 110.92307692307692) internal successors, (1442), 13 states have internal predecessors, (1442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:26,766 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:04:26,766 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 204 [2022-11-18 20:04:26,766 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:04:31,360 INFO L130 PetriNetUnfolder]: 2605/8740 cut-off events. [2022-11-18 20:04:31,360 INFO L131 PetriNetUnfolder]: For 21234/21393 co-relation queries the response was YES. [2022-11-18 20:04:31,426 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30095 conditions, 8740 events. 2605/8740 cut-off events. For 21234/21393 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 81955 event pairs, 436 based on Foata normal form. 60/8562 useless extension candidates. Maximal degree in co-relation 29969. Up to 1724 conditions per place. [2022-11-18 20:04:31,467 INFO L137 encePairwiseOnDemand]: 171/204 looper letters, 769 selfloop transitions, 305 changer transitions 6/1181 dead transitions. [2022-11-18 20:04:31,468 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 1181 transitions, 12031 flow [2022-11-18 20:04:31,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 20:04:31,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2022-11-18 20:04:31,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 3712 transitions. [2022-11-18 20:04:31,480 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6065359477124183 [2022-11-18 20:04:31,480 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 3712 transitions. [2022-11-18 20:04:31,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 3712 transitions. [2022-11-18 20:04:31,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:04:31,483 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 3712 transitions. [2022-11-18 20:04:31,492 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 123.73333333333333) internal successors, (3712), 30 states have internal predecessors, (3712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:31,504 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 204.0) internal successors, (6324), 31 states have internal predecessors, (6324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:31,507 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 204.0) internal successors, (6324), 31 states have internal predecessors, (6324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:31,508 INFO L175 Difference]: Start difference. First operand has 294 places, 599 transitions, 5253 flow. Second operand 30 states and 3712 transitions. [2022-11-18 20:04:31,508 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 1181 transitions, 12031 flow [2022-11-18 20:04:31,748 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 1181 transitions, 11951 flow, removed 38 selfloop flow, removed 2 redundant places. [2022-11-18 20:04:31,770 INFO L231 Difference]: Finished difference. Result has 338 places, 736 transitions, 8330 flow [2022-11-18 20:04:31,771 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=204, PETRI_DIFFERENCE_MINUEND_FLOW=5203, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=599, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=168, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=341, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=8330, PETRI_PLACES=338, PETRI_TRANSITIONS=736} [2022-11-18 20:04:31,772 INFO L288 CegarLoopForPetriNet]: 207 programPoint places, 131 predicate places. [2022-11-18 20:04:31,772 INFO L495 AbstractCegarLoop]: Abstraction has has 338 places, 736 transitions, 8330 flow [2022-11-18 20:04:31,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 110.92307692307692) internal successors, (1442), 13 states have internal predecessors, (1442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:31,774 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:04:31,774 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:04:31,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 20:04:31,775 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-18 20:04:31,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:31,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1551796825, now seen corresponding path program 4 times [2022-11-18 20:04:31,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:31,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550109668] [2022-11-18 20:04:31,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:31,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:31,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:32,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:04:32,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:04:32,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550109668] [2022-11-18 20:04:32,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550109668] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:04:32,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:04:32,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 20:04:32,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888803489] [2022-11-18 20:04:32,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:04:32,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 20:04:32,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:04:32,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 20:04:32,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:04:32,877 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 204 [2022-11-18 20:04:32,879 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 736 transitions, 8330 flow. Second operand has 13 states, 13 states have (on average 110.92307692307692) internal successors, (1442), 13 states have internal predecessors, (1442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:32,879 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:04:32,880 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 204 [2022-11-18 20:04:32,880 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:04:39,222 INFO L130 PetriNetUnfolder]: 3364/11450 cut-off events. [2022-11-18 20:04:39,222 INFO L131 PetriNetUnfolder]: For 40864/41085 co-relation queries the response was YES. [2022-11-18 20:04:39,320 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42227 conditions, 11450 events. 3364/11450 cut-off events. For 40864/41085 co-relation queries the response was YES. Maximal size of possible extension queue 307. Compared 115702 event pairs, 679 based on Foata normal form. 109/11260 useless extension candidates. Maximal degree in co-relation 42142. Up to 2536 conditions per place. [2022-11-18 20:04:39,371 INFO L137 encePairwiseOnDemand]: 167/204 looper letters, 761 selfloop transitions, 372 changer transitions 6/1240 dead transitions. [2022-11-18 20:04:39,371 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 1240 transitions, 15078 flow [2022-11-18 20:04:39,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 20:04:39,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2022-11-18 20:04:39,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 2701 transitions. [2022-11-18 20:04:39,384 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.630485527544351 [2022-11-18 20:04:39,385 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 2701 transitions. [2022-11-18 20:04:39,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 2701 transitions. [2022-11-18 20:04:39,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:04:39,393 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 2701 transitions. [2022-11-18 20:04:39,400 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 128.61904761904762) internal successors, (2701), 21 states have internal predecessors, (2701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:39,410 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 204.0) internal successors, (4488), 22 states have internal predecessors, (4488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:39,412 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 204.0) internal successors, (4488), 22 states have internal predecessors, (4488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:39,412 INFO L175 Difference]: Start difference. First operand has 338 places, 736 transitions, 8330 flow. Second operand 21 states and 2701 transitions. [2022-11-18 20:04:39,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 1240 transitions, 15078 flow [2022-11-18 20:04:39,943 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 348 places, 1240 transitions, 14919 flow, removed 48 selfloop flow, removed 10 redundant places. [2022-11-18 20:04:39,969 INFO L231 Difference]: Finished difference. Result has 364 places, 857 transitions, 11777 flow [2022-11-18 20:04:39,970 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=204, PETRI_DIFFERENCE_MINUEND_FLOW=8212, PETRI_DIFFERENCE_MINUEND_PLACES=328, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=736, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=253, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=399, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=11777, PETRI_PLACES=364, PETRI_TRANSITIONS=857} [2022-11-18 20:04:39,973 INFO L288 CegarLoopForPetriNet]: 207 programPoint places, 157 predicate places. [2022-11-18 20:04:39,974 INFO L495 AbstractCegarLoop]: Abstraction has has 364 places, 857 transitions, 11777 flow [2022-11-18 20:04:39,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 110.92307692307692) internal successors, (1442), 13 states have internal predecessors, (1442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:39,975 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:04:39,975 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:04:39,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 20:04:39,976 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-18 20:04:39,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:39,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1947868536, now seen corresponding path program 1 times [2022-11-18 20:04:39,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:39,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70988135] [2022-11-18 20:04:39,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:39,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:41,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:04:41,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:04:41,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70988135] [2022-11-18 20:04:41,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70988135] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:04:41,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:04:41,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 20:04:41,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893903201] [2022-11-18 20:04:41,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:04:41,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 20:04:41,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:04:41,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 20:04:41,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:04:41,009 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 204 [2022-11-18 20:04:41,011 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 364 places, 857 transitions, 11777 flow. Second operand has 13 states, 13 states have (on average 109.0) internal successors, (1417), 13 states have internal predecessors, (1417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:41,012 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:04:41,012 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 204 [2022-11-18 20:04:41,012 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:04:47,059 INFO L130 PetriNetUnfolder]: 3491/11581 cut-off events. [2022-11-18 20:04:47,060 INFO L131 PetriNetUnfolder]: For 57823/58017 co-relation queries the response was YES. [2022-11-18 20:04:47,233 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45995 conditions, 11581 events. 3491/11581 cut-off events. For 57823/58017 co-relation queries the response was YES. Maximal size of possible extension queue 317. Compared 116302 event pairs, 688 based on Foata normal form. 70/11321 useless extension candidates. Maximal degree in co-relation 45892. Up to 5567 conditions per place. [2022-11-18 20:04:47,292 INFO L137 encePairwiseOnDemand]: 184/204 looper letters, 768 selfloop transitions, 247 changer transitions 2/1115 dead transitions. [2022-11-18 20:04:47,292 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 1115 transitions, 16647 flow [2022-11-18 20:04:47,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-18 20:04:47,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2022-11-18 20:04:47,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 2822 transitions. [2022-11-18 20:04:47,299 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5763888888888888 [2022-11-18 20:04:47,300 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 2822 transitions. [2022-11-18 20:04:47,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 2822 transitions. [2022-11-18 20:04:47,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:04:47,302 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 2822 transitions. [2022-11-18 20:04:47,308 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 117.58333333333333) internal successors, (2822), 24 states have internal predecessors, (2822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:47,317 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 204.0) internal successors, (5100), 25 states have internal predecessors, (5100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:47,320 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 204.0) internal successors, (5100), 25 states have internal predecessors, (5100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:47,320 INFO L175 Difference]: Start difference. First operand has 364 places, 857 transitions, 11777 flow. Second operand 24 states and 2822 transitions. [2022-11-18 20:04:47,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 1115 transitions, 16647 flow [2022-11-18 20:04:48,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 1115 transitions, 16561 flow, removed 27 selfloop flow, removed 3 redundant places. [2022-11-18 20:04:48,100 INFO L231 Difference]: Finished difference. Result has 389 places, 908 transitions, 13032 flow [2022-11-18 20:04:48,101 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=204, PETRI_DIFFERENCE_MINUEND_FLOW=11716, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=857, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=200, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=651, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=13032, PETRI_PLACES=389, PETRI_TRANSITIONS=908} [2022-11-18 20:04:48,102 INFO L288 CegarLoopForPetriNet]: 207 programPoint places, 182 predicate places. [2022-11-18 20:04:48,102 INFO L495 AbstractCegarLoop]: Abstraction has has 389 places, 908 transitions, 13032 flow [2022-11-18 20:04:48,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 109.0) internal successors, (1417), 13 states have internal predecessors, (1417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:48,103 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:04:48,103 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:04:48,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 20:04:48,104 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-18 20:04:48,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:48,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1117587451, now seen corresponding path program 5 times [2022-11-18 20:04:48,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:48,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473500534] [2022-11-18 20:04:48,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:48,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:48,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:49,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:04:49,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:04:49,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473500534] [2022-11-18 20:04:49,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473500534] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:04:49,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:04:49,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 20:04:49,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168029363] [2022-11-18 20:04:49,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:04:49,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 20:04:49,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:04:49,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 20:04:49,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:04:49,248 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 204 [2022-11-18 20:04:49,249 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 908 transitions, 13032 flow. Second operand has 13 states, 13 states have (on average 110.92307692307692) internal successors, (1442), 13 states have internal predecessors, (1442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:49,250 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:04:49,250 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 204 [2022-11-18 20:04:49,250 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:04:56,266 INFO L130 PetriNetUnfolder]: 3819/13032 cut-off events. [2022-11-18 20:04:56,266 INFO L131 PetriNetUnfolder]: For 77543/77910 co-relation queries the response was YES. [2022-11-18 20:04:56,423 INFO L83 FinitePrefix]: Finished finitePrefix Result has 54788 conditions, 13032 events. 3819/13032 cut-off events. For 77543/77910 co-relation queries the response was YES. Maximal size of possible extension queue 369. Compared 136559 event pairs, 701 based on Foata normal form. 136/12837 useless extension candidates. Maximal degree in co-relation 54683. Up to 2536 conditions per place. [2022-11-18 20:04:56,480 INFO L137 encePairwiseOnDemand]: 171/204 looper letters, 866 selfloop transitions, 469 changer transitions 6/1445 dead transitions. [2022-11-18 20:04:56,480 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 419 places, 1445 transitions, 20998 flow [2022-11-18 20:04:56,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-18 20:04:56,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2022-11-18 20:04:56,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 3825 transitions. [2022-11-18 20:04:56,489 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6048387096774194 [2022-11-18 20:04:56,489 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 3825 transitions. [2022-11-18 20:04:56,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 3825 transitions. [2022-11-18 20:04:56,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:04:56,492 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 3825 transitions. [2022-11-18 20:04:56,500 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 32 states, 31 states have (on average 123.38709677419355) internal successors, (3825), 31 states have internal predecessors, (3825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:56,511 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 32 states, 32 states have (on average 204.0) internal successors, (6528), 32 states have internal predecessors, (6528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:56,514 INFO L81 ComplementDD]: Finished complementDD. Result has 32 states, 32 states have (on average 204.0) internal successors, (6528), 32 states have internal predecessors, (6528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:56,514 INFO L175 Difference]: Start difference. First operand has 389 places, 908 transitions, 13032 flow. Second operand 31 states and 3825 transitions. [2022-11-18 20:04:56,514 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 419 places, 1445 transitions, 20998 flow [2022-11-18 20:04:57,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 1445 transitions, 20810 flow, removed 17 selfloop flow, removed 12 redundant places. [2022-11-18 20:04:57,194 INFO L231 Difference]: Finished difference. Result has 420 places, 1003 transitions, 16818 flow [2022-11-18 20:04:57,195 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=204, PETRI_DIFFERENCE_MINUEND_FLOW=12872, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=908, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=380, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=466, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=16818, PETRI_PLACES=420, PETRI_TRANSITIONS=1003} [2022-11-18 20:04:57,196 INFO L288 CegarLoopForPetriNet]: 207 programPoint places, 213 predicate places. [2022-11-18 20:04:57,196 INFO L495 AbstractCegarLoop]: Abstraction has has 420 places, 1003 transitions, 16818 flow [2022-11-18 20:04:57,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 110.92307692307692) internal successors, (1442), 13 states have internal predecessors, (1442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:57,197 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:04:57,197 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:04:57,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 20:04:57,197 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-18 20:04:57,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:57,198 INFO L85 PathProgramCache]: Analyzing trace with hash 2051305515, now seen corresponding path program 6 times [2022-11-18 20:04:57,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:57,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072053533] [2022-11-18 20:04:57,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:57,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:57,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:58,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:04:58,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:04:58,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072053533] [2022-11-18 20:04:58,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072053533] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:04:58,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:04:58,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 20:04:58,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014543903] [2022-11-18 20:04:58,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:04:58,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 20:04:58,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:04:58,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 20:04:58,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:04:58,021 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 204 [2022-11-18 20:04:58,022 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 420 places, 1003 transitions, 16818 flow. Second operand has 13 states, 13 states have (on average 110.92307692307692) internal successors, (1442), 13 states have internal predecessors, (1442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:04:58,023 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:04:58,023 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 204 [2022-11-18 20:04:58,023 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:05:08,065 INFO L130 PetriNetUnfolder]: 5259/17983 cut-off events. [2022-11-18 20:05:08,065 INFO L131 PetriNetUnfolder]: For 132465/133017 co-relation queries the response was YES. [2022-11-18 20:05:08,348 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79034 conditions, 17983 events. 5259/17983 cut-off events. For 132465/133017 co-relation queries the response was YES. Maximal size of possible extension queue 543. Compared 202440 event pairs, 1168 based on Foata normal form. 174/17714 useless extension candidates. Maximal degree in co-relation 78916. Up to 5308 conditions per place. [2022-11-18 20:05:08,422 INFO L137 encePairwiseOnDemand]: 172/204 looper letters, 776 selfloop transitions, 626 changer transitions 3/1509 dead transitions. [2022-11-18 20:05:08,423 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 440 places, 1509 transitions, 27005 flow [2022-11-18 20:05:08,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 20:05:08,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2022-11-18 20:05:08,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 2565 transitions. [2022-11-18 20:05:08,428 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5987394957983193 [2022-11-18 20:05:08,428 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 2565 transitions. [2022-11-18 20:05:08,428 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 2565 transitions. [2022-11-18 20:05:08,430 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:05:08,430 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 2565 transitions. [2022-11-18 20:05:08,434 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 122.14285714285714) internal successors, (2565), 21 states have internal predecessors, (2565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:05:08,441 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 204.0) internal successors, (4488), 22 states have internal predecessors, (4488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:05:08,443 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 204.0) internal successors, (4488), 22 states have internal predecessors, (4488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:05:08,444 INFO L175 Difference]: Start difference. First operand has 420 places, 1003 transitions, 16818 flow. Second operand 21 states and 2565 transitions. [2022-11-18 20:05:08,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 440 places, 1509 transitions, 27005 flow [2022-11-18 20:05:10,160 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 424 places, 1509 transitions, 26789 flow, removed 6 selfloop flow, removed 16 redundant places. [2022-11-18 20:05:10,188 INFO L231 Difference]: Finished difference. Result has 438 places, 1213 transitions, 23981 flow [2022-11-18 20:05:10,188 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=204, PETRI_DIFFERENCE_MINUEND_FLOW=16678, PETRI_DIFFERENCE_MINUEND_PLACES=404, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1003, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=416, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=467, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=23981, PETRI_PLACES=438, PETRI_TRANSITIONS=1213} [2022-11-18 20:05:10,189 INFO L288 CegarLoopForPetriNet]: 207 programPoint places, 231 predicate places. [2022-11-18 20:05:10,189 INFO L495 AbstractCegarLoop]: Abstraction has has 438 places, 1213 transitions, 23981 flow [2022-11-18 20:05:10,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 110.92307692307692) internal successors, (1442), 13 states have internal predecessors, (1442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:05:10,189 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:05:10,190 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:05:10,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-18 20:05:10,190 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-18 20:05:10,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:05:10,191 INFO L85 PathProgramCache]: Analyzing trace with hash -815284599, now seen corresponding path program 7 times [2022-11-18 20:05:10,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:05:10,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961591416] [2022-11-18 20:05:10,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:05:10,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:05:10,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:10,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:05:10,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:05:10,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961591416] [2022-11-18 20:05:10,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961591416] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:05:10,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:05:10,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 20:05:10,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152087677] [2022-11-18 20:05:10,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:05:10,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 20:05:10,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:05:10,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 20:05:10,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:05:10,916 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 204 [2022-11-18 20:05:10,917 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 438 places, 1213 transitions, 23981 flow. Second operand has 13 states, 13 states have (on average 110.92307692307692) internal successors, (1442), 13 states have internal predecessors, (1442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:05:10,918 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:05:10,918 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 204 [2022-11-18 20:05:10,918 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:05:26,251 INFO L130 PetriNetUnfolder]: 7337/25102 cut-off events. [2022-11-18 20:05:26,251 INFO L131 PetriNetUnfolder]: For 225577/226272 co-relation queries the response was YES. [2022-11-18 20:05:26,663 INFO L83 FinitePrefix]: Finished finitePrefix Result has 114923 conditions, 25102 events. 7337/25102 cut-off events. For 225577/226272 co-relation queries the response was YES. Maximal size of possible extension queue 797. Compared 304308 event pairs, 1359 based on Foata normal form. 258/24767 useless extension candidates. Maximal degree in co-relation 114792. Up to 6023 conditions per place. [2022-11-18 20:05:26,743 INFO L137 encePairwiseOnDemand]: 171/204 looper letters, 980 selfloop transitions, 867 changer transitions 4/1955 dead transitions. [2022-11-18 20:05:26,743 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 464 places, 1955 transitions, 39060 flow [2022-11-18 20:05:26,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-18 20:05:26,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2022-11-18 20:05:26,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 3356 transitions. [2022-11-18 20:05:26,752 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6092955700798838 [2022-11-18 20:05:26,752 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 3356 transitions. [2022-11-18 20:05:26,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 3356 transitions. [2022-11-18 20:05:26,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:05:26,755 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 3356 transitions. [2022-11-18 20:05:26,761 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 124.29629629629629) internal successors, (3356), 27 states have internal predecessors, (3356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:05:26,770 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 204.0) internal successors, (5712), 28 states have internal predecessors, (5712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:05:26,773 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 204.0) internal successors, (5712), 28 states have internal predecessors, (5712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:05:26,773 INFO L175 Difference]: Start difference. First operand has 438 places, 1213 transitions, 23981 flow. Second operand 27 states and 3356 transitions. [2022-11-18 20:05:26,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 464 places, 1955 transitions, 39060 flow [2022-11-18 20:05:30,416 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 462 places, 1955 transitions, 38950 flow, removed 53 selfloop flow, removed 2 redundant places. [2022-11-18 20:05:30,458 INFO L231 Difference]: Finished difference. Result has 472 places, 1463 transitions, 34098 flow [2022-11-18 20:05:30,460 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=204, PETRI_DIFFERENCE_MINUEND_FLOW=23917, PETRI_DIFFERENCE_MINUEND_PLACES=436, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=622, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=462, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=34098, PETRI_PLACES=472, PETRI_TRANSITIONS=1463} [2022-11-18 20:05:30,461 INFO L288 CegarLoopForPetriNet]: 207 programPoint places, 265 predicate places. [2022-11-18 20:05:30,461 INFO L495 AbstractCegarLoop]: Abstraction has has 472 places, 1463 transitions, 34098 flow [2022-11-18 20:05:30,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 110.92307692307692) internal successors, (1442), 13 states have internal predecessors, (1442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:05:30,462 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:05:30,462 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:05:30,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-18 20:05:30,462 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-11-18 20:05:30,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:05:30,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1161624023, now seen corresponding path program 8 times [2022-11-18 20:05:30,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:05:30,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612443758] [2022-11-18 20:05:30,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:05:30,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:05:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:31,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:05:31,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:05:31,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612443758] [2022-11-18 20:05:31,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612443758] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:05:31,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:05:31,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 20:05:31,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221528049] [2022-11-18 20:05:31,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:05:31,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 20:05:31,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:05:31,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 20:05:31,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:05:31,293 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 204 [2022-11-18 20:05:31,295 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 472 places, 1463 transitions, 34098 flow. Second operand has 13 states, 13 states have (on average 110.92307692307692) internal successors, (1442), 13 states have internal predecessors, (1442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:05:31,295 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:05:31,295 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 204 [2022-11-18 20:05:31,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:05:50,932 INFO L130 PetriNetUnfolder]: 8194/27964 cut-off events. [2022-11-18 20:05:50,932 INFO L131 PetriNetUnfolder]: For 319256/320231 co-relation queries the response was YES. [2022-11-18 20:05:51,433 INFO L83 FinitePrefix]: Finished finitePrefix Result has 135610 conditions, 27964 events. 8194/27964 cut-off events. For 319256/320231 co-relation queries the response was YES. Maximal size of possible extension queue 897. Compared 345340 event pairs, 1499 based on Foata normal form. 323/27615 useless extension candidates. Maximal degree in co-relation 135465. Up to 6480 conditions per place. [2022-11-18 20:05:51,514 INFO L137 encePairwiseOnDemand]: 171/204 looper letters, 1080 selfloop transitions, 902 changer transitions 5/2091 dead transitions. [2022-11-18 20:05:51,514 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 501 places, 2091 transitions, 46589 flow [2022-11-18 20:05:51,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 20:05:51,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2022-11-18 20:05:51,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 3711 transitions. [2022-11-18 20:05:51,520 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6063725490196078 [2022-11-18 20:05:51,520 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 3711 transitions. [2022-11-18 20:05:51,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 3711 transitions. [2022-11-18 20:05:51,522 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:05:51,522 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 3711 transitions. [2022-11-18 20:05:51,528 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 123.7) internal successors, (3711), 30 states have internal predecessors, (3711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:05:51,536 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 204.0) internal successors, (6324), 31 states have internal predecessors, (6324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:05:51,538 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 204.0) internal successors, (6324), 31 states have internal predecessors, (6324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:05:51,538 INFO L175 Difference]: Start difference. First operand has 472 places, 1463 transitions, 34098 flow. Second operand 30 states and 3711 transitions. [2022-11-18 20:05:51,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 501 places, 2091 transitions, 46589 flow