./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506735f8-c8ed-4de1-a0a6-17cd70e458e7/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506735f8-c8ed-4de1-a0a6-17cd70e458e7/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506735f8-c8ed-4de1-a0a6-17cd70e458e7/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506735f8-c8ed-4de1-a0a6-17cd70e458e7/bin/uautomizer-IVEQpCNsaX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506735f8-c8ed-4de1-a0a6-17cd70e458e7/bin/uautomizer-IVEQpCNsaX/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506735f8-c8ed-4de1-a0a6-17cd70e458e7/bin/uautomizer-IVEQpCNsaX --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 e4d7ddac57159b9ffdb625c6e71ce7282574c20e8d076ceee5f26bffd815ae46 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 08:58:35,343 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 08:58:35,345 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 08:58:35,380 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 08:58:35,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 08:58:35,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 08:58:35,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 08:58:35,386 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 08:58:35,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 08:58:35,390 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 08:58:35,391 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 08:58:35,392 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 08:58:35,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 08:58:35,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 08:58:35,396 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 08:58:35,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 08:58:35,398 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 08:58:35,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 08:58:35,402 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 08:58:35,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 08:58:35,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 08:58:35,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 08:58:35,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 08:58:35,414 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 08:58:35,417 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 08:58:35,417 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 08:58:35,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 08:58:35,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 08:58:35,419 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 08:58:35,420 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 08:58:35,420 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 08:58:35,421 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 08:58:35,422 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 08:58:35,423 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 08:58:35,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 08:58:35,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 08:58:35,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 08:58:35,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 08:58:35,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 08:58:35,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 08:58:35,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 08:58:35,430 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506735f8-c8ed-4de1-a0a6-17cd70e458e7/bin/uautomizer-IVEQpCNsaX/config/svcomp-DataRace-32bit-Automizer_Default.epf [2021-11-09 08:58:35,458 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 08:58:35,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 08:58:35,459 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 08:58:35,459 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 08:58:35,460 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 08:58:35,460 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 08:58:35,460 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 08:58:35,461 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 08:58:35,461 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 08:58:35,461 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-09 08:58:35,461 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 08:58:35,461 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 08:58:35,462 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 08:58:35,462 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-09 08:58:35,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 08:58:35,462 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-09 08:58:35,463 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-09 08:58:35,463 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 08:58:35,463 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 08:58:35,463 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 08:58:35,463 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-09 08:58:35,464 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 08:58:35,464 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 08:58:35,464 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 08:58:35,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 08:58:35,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 08:58:35,465 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 08:58:35,465 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-09 08:58:35,465 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 08:58:35,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-09 08:58:35,465 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-09 08:58:35,466 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-09 08:58:35,466 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-09 08:58:35,466 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 08:58:35,466 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_506735f8-c8ed-4de1-a0a6-17cd70e458e7/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506735f8-c8ed-4de1-a0a6-17cd70e458e7/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4d7ddac57159b9ffdb625c6e71ce7282574c20e8d076ceee5f26bffd815ae46 [2021-11-09 08:58:35,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 08:58:35,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 08:58:35,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 08:58:35,763 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 08:58:35,767 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 08:58:35,767 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506735f8-c8ed-4de1-a0a6-17cd70e458e7/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i [2021-11-09 08:58:35,840 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506735f8-c8ed-4de1-a0a6-17cd70e458e7/bin/uautomizer-IVEQpCNsaX/data/c6e743dda/fc5144049d044143bd072dab0b4da26f/FLAGa95bc4abb [2021-11-09 08:58:36,402 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 08:58:36,403 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506735f8-c8ed-4de1-a0a6-17cd70e458e7/sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i [2021-11-09 08:58:36,432 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506735f8-c8ed-4de1-a0a6-17cd70e458e7/bin/uautomizer-IVEQpCNsaX/data/c6e743dda/fc5144049d044143bd072dab0b4da26f/FLAGa95bc4abb [2021-11-09 08:58:36,817 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506735f8-c8ed-4de1-a0a6-17cd70e458e7/bin/uautomizer-IVEQpCNsaX/data/c6e743dda/fc5144049d044143bd072dab0b4da26f [2021-11-09 08:58:36,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 08:58:36,822 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 08:58:36,835 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 08:58:36,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 08:58:36,839 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 08:58:36,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:58:36" (1/1) ... [2021-11-09 08:58:36,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ee500c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:58:36, skipping insertion in model container [2021-11-09 08:58:36,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:58:36" (1/1) ... [2021-11-09 08:58:36,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 08:58:36,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 08:58:37,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:58:37,646 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 08:58:37,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:58:37,785 INFO L208 MainTranslator]: Completed translation [2021-11-09 08:58:37,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:58:37 WrapperNode [2021-11-09 08:58:37,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 08:58:37,788 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 08:58:37,788 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 08:58:37,788 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 08:58:37,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:58:37" (1/1) ... [2021-11-09 08:58:37,853 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:58:37" (1/1) ... [2021-11-09 08:58:37,911 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 08:58:37,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 08:58:37,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 08:58:37,912 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 08:58:37,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:58:37" (1/1) ... [2021-11-09 08:58:37,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:58:37" (1/1) ... [2021-11-09 08:58:37,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:58:37" (1/1) ... [2021-11-09 08:58:37,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:58:37" (1/1) ... [2021-11-09 08:58:37,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:58:37" (1/1) ... [2021-11-09 08:58:37,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:58:37" (1/1) ... [2021-11-09 08:58:37,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:58:37" (1/1) ... [2021-11-09 08:58:37,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 08:58:38,000 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 08:58:38,000 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 08:58:38,001 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 08:58:38,002 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:58:37" (1/1) ... [2021-11-09 08:58:38,009 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 08:58:38,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506735f8-c8ed-4de1-a0a6-17cd70e458e7/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:58:38,039 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506735f8-c8ed-4de1-a0a6-17cd70e458e7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-09 08:58:38,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506735f8-c8ed-4de1-a0a6-17cd70e458e7/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-09 08:58:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 08:58:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-09 08:58:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-09 08:58:38,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-09 08:58:38,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-09 08:58:38,105 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-09 08:58:38,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-09 08:58:38,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-09 08:58:38,105 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-09 08:58:38,106 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-09 08:58:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 08:58:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 08:58:38,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 08:58:38,108 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-09 08:58:38,863 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 08:58:38,863 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-11-09 08:58:38,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:58:38 BoogieIcfgContainer [2021-11-09 08:58:38,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 08:58:38,867 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-09 08:58:38,867 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-09 08:58:38,870 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-09 08:58:38,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 08:58:36" (1/3) ... [2021-11-09 08:58:38,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c6a00f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:58:38, skipping insertion in model container [2021-11-09 08:58:38,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:58:37" (2/3) ... [2021-11-09 08:58:38,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c6a00f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:58:38, skipping insertion in model container [2021-11-09 08:58:38,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:58:38" (3/3) ... [2021-11-09 08:58:38,873 INFO L111 eAbstractionObserver]: Analyzing ICFG 09-regions_06-ptra_nr.i [2021-11-09 08:58:38,877 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-09 08:58:38,878 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-09 08:58:38,878 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2021-11-09 08:58:38,878 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-09 08:58:38,917 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,918 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,918 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,918 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,918 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,919 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,919 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,919 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,919 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~ip~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,919 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~ip~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,919 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~ip~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,920 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~ip~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,920 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,920 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,920 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,920 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,920 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,921 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,921 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,921 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,921 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,921 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,921 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,922 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,922 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,923 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,923 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,924 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,924 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,925 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,925 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,926 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,926 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,926 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,926 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,926 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,926 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,926 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,927 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,927 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,927 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,928 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,928 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,928 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,929 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,929 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,929 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,929 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,929 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,930 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,930 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,930 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,931 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,931 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,931 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,931 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,932 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,932 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,932 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,932 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,933 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,933 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,934 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,934 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,934 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,934 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,935 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,935 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,935 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,935 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,936 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,936 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,936 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,936 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,937 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,937 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,938 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,938 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,938 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,938 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,939 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,939 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,939 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,939 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,940 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,940 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,940 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,940 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,940 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,941 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,941 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,941 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,941 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,942 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,942 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,942 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,942 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,942 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,942 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,943 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,943 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,943 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,943 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,943 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,943 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,944 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,944 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,944 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,945 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,945 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,945 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,945 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~ip~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,945 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~ip~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,945 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,946 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,946 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~ip~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,946 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~ip~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,946 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~ip~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,946 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~ip~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,946 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,946 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,947 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~ip~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,947 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~ip~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,947 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,947 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,947 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,947 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,948 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,948 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,948 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,948 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,948 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,949 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,949 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,949 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,949 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,950 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,950 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,950 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,951 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,951 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,951 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,951 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,951 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,952 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,952 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,952 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,952 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,952 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,952 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,953 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,953 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,953 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,953 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,953 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,954 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,954 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,954 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,954 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,954 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,955 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,955 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,955 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,955 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,955 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,955 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,955 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,956 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,956 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,956 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,956 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,956 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,956 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,957 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,957 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,957 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,957 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,957 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,957 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,957 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,958 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,958 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,958 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,958 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,959 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,959 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,959 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,959 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,959 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,959 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,959 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,960 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,960 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,960 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,960 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,960 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,960 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,961 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,961 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,961 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,961 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,961 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,961 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,961 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,962 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,962 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,962 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,962 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,962 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,963 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,963 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,966 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,967 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~ip~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,967 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,967 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,967 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,967 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,967 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,968 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,968 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,968 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,968 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,968 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,968 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,969 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,969 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,969 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,969 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,969 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~ip~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,969 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,969 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,970 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,970 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~sp~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,970 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:58:38,974 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-09 08:58:39,023 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-09 08:58:39,029 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-09 08:58:39,029 INFO L340 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2021-11-09 08:58:39,045 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 244 places, 240 transitions, 485 flow [2021-11-09 08:58:39,137 INFO L129 PetriNetUnfolder]: 0/239 cut-off events. [2021-11-09 08:58:39,137 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-09 08:58:39,139 INFO L84 FinitePrefix]: Finished finitePrefix Result has 243 conditions, 239 events. 0/239 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 91 event pairs, 0 based on Foata normal form. 0/217 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-11-09 08:58:39,139 INFO L82 GeneralOperation]: Start removeDead. Operand has 244 places, 240 transitions, 485 flow [2021-11-09 08:58:39,147 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 243 places, 239 transitions, 481 flow [2021-11-09 08:58:39,157 INFO L129 PetriNetUnfolder]: 0/44 cut-off events. [2021-11-09 08:58:39,157 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-09 08:58:39,157 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:58:39,158 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:58:39,158 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-09 08:58:39,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:58:39,164 INFO L85 PathProgramCache]: Analyzing trace with hash -292075437, now seen corresponding path program 1 times [2021-11-09 08:58:39,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:58:39,173 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764023789] [2021-11-09 08:58:39,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:58:39,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:58:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:58:39,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:58:39,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:58:39,537 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764023789] [2021-11-09 08:58:39,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764023789] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:58:39,538 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:58:39,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-09 08:58:39,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411758172] [2021-11-09 08:58:39,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-09 08:58:39,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:58:39,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-09 08:58:39,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-09 08:58:39,576 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 240 [2021-11-09 08:58:39,585 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 239 transitions, 481 flow. Second operand has 6 states, 6 states have (on average 139.5) internal successors, (837), 6 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:39,585 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:58:39,586 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 240 [2021-11-09 08:58:39,587 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:58:40,419 INFO L129 PetriNetUnfolder]: 360/1313 cut-off events. [2021-11-09 08:58:40,419 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-09 08:58:40,424 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2137 conditions, 1313 events. 360/1313 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6757 event pairs, 360 based on Foata normal form. 0/1140 useless extension candidates. Maximal degree in co-relation 1941. Up to 805 conditions per place. [2021-11-09 08:58:40,434 INFO L132 encePairwiseOnDemand]: 222/240 looper letters, 84 selfloop transitions, 15 changer transitions 0/236 dead transitions. [2021-11-09 08:58:40,434 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 236 transitions, 673 flow [2021-11-09 08:58:40,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-09 08:58:40,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-09 08:58:40,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 930 transitions. [2021-11-09 08:58:40,453 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6458333333333334 [2021-11-09 08:58:40,453 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 930 transitions. [2021-11-09 08:58:40,454 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 930 transitions. [2021-11-09 08:58:40,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:58:40,459 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 930 transitions. [2021-11-09 08:58:40,465 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 155.0) internal successors, (930), 6 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:40,475 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 240.0) internal successors, (1680), 7 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:40,476 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 240.0) internal successors, (1680), 7 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:40,478 INFO L186 Difference]: Start difference. First operand has 243 places, 239 transitions, 481 flow. Second operand 6 states and 930 transitions. [2021-11-09 08:58:40,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 236 transitions, 673 flow [2021-11-09 08:58:40,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 236 transitions, 672 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-09 08:58:40,490 INFO L242 Difference]: Finished difference. Result has 244 places, 236 transitions, 504 flow [2021-11-09 08:58:40,493 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=504, PETRI_PLACES=244, PETRI_TRANSITIONS=236} [2021-11-09 08:58:40,494 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, 1 predicate places. [2021-11-09 08:58:40,494 INFO L470 AbstractCegarLoop]: Abstraction has has 244 places, 236 transitions, 504 flow [2021-11-09 08:58:40,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 139.5) internal successors, (837), 6 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:40,495 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:58:40,495 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:58:40,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-09 08:58:40,496 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-09 08:58:40,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:58:40,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1510338600, now seen corresponding path program 1 times [2021-11-09 08:58:40,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:58:40,497 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986338854] [2021-11-09 08:58:40,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:58:40,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:58:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:58:40,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:58:40,655 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:58:40,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986338854] [2021-11-09 08:58:40,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986338854] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:58:40,656 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:58:40,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-09 08:58:40,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287729775] [2021-11-09 08:58:40,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-09 08:58:40,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:58:40,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-09 08:58:40,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-09 08:58:40,661 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 240 [2021-11-09 08:58:40,663 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 236 transitions, 504 flow. Second operand has 6 states, 6 states have (on average 140.5) internal successors, (843), 6 states have internal predecessors, (843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:40,663 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:58:40,663 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 240 [2021-11-09 08:58:40,663 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:58:41,287 INFO L129 PetriNetUnfolder]: 360/1310 cut-off events. [2021-11-09 08:58:41,288 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-11-09 08:58:41,290 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2146 conditions, 1310 events. 360/1310 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6782 event pairs, 360 based on Foata normal form. 0/1140 useless extension candidates. Maximal degree in co-relation 1963. Up to 802 conditions per place. [2021-11-09 08:58:41,351 INFO L132 encePairwiseOnDemand]: 222/240 looper letters, 81 selfloop transitions, 15 changer transitions 0/233 dead transitions. [2021-11-09 08:58:41,351 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 233 transitions, 690 flow [2021-11-09 08:58:41,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-09 08:58:41,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-09 08:58:41,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 927 transitions. [2021-11-09 08:58:41,354 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.64375 [2021-11-09 08:58:41,354 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 927 transitions. [2021-11-09 08:58:41,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 927 transitions. [2021-11-09 08:58:41,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:58:41,355 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 927 transitions. [2021-11-09 08:58:41,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 154.5) internal successors, (927), 6 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:41,362 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 240.0) internal successors, (1680), 7 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:41,363 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 240.0) internal successors, (1680), 7 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:41,364 INFO L186 Difference]: Start difference. First operand has 244 places, 236 transitions, 504 flow. Second operand 6 states and 927 transitions. [2021-11-09 08:58:41,364 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 233 transitions, 690 flow [2021-11-09 08:58:41,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 233 transitions, 660 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-11-09 08:58:41,379 INFO L242 Difference]: Finished difference. Result has 241 places, 233 transitions, 498 flow [2021-11-09 08:58:41,379 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=468, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=498, PETRI_PLACES=241, PETRI_TRANSITIONS=233} [2021-11-09 08:58:41,380 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, -2 predicate places. [2021-11-09 08:58:41,380 INFO L470 AbstractCegarLoop]: Abstraction has has 241 places, 233 transitions, 498 flow [2021-11-09 08:58:41,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 140.5) internal successors, (843), 6 states have internal predecessors, (843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:41,381 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:58:41,382 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:58:41,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-09 08:58:41,382 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-09 08:58:41,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:58:41,386 INFO L85 PathProgramCache]: Analyzing trace with hash 922539898, now seen corresponding path program 1 times [2021-11-09 08:58:41,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:58:41,386 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116549868] [2021-11-09 08:58:41,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:58:41,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:58:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:58:41,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:58:41,509 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:58:41,510 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116549868] [2021-11-09 08:58:41,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116549868] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:58:41,511 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:58:41,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 08:58:41,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615906985] [2021-11-09 08:58:41,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 08:58:41,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:58:41,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:58:41,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:58:41,518 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 240 [2021-11-09 08:58:41,520 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 233 transitions, 498 flow. Second operand has 3 states, 3 states have (on average 220.33333333333334) internal successors, (661), 3 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:41,524 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:58:41,524 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 240 [2021-11-09 08:58:41,524 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:58:41,620 INFO L129 PetriNetUnfolder]: 18/382 cut-off events. [2021-11-09 08:58:41,621 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-09 08:58:41,622 INFO L84 FinitePrefix]: Finished finitePrefix Result has 458 conditions, 382 events. 18/382 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 816 event pairs, 18 based on Foata normal form. 0/341 useless extension candidates. Maximal degree in co-relation 303. Up to 55 conditions per place. [2021-11-09 08:58:41,624 INFO L132 encePairwiseOnDemand]: 237/240 looper letters, 18 selfloop transitions, 2 changer transitions 0/232 dead transitions. [2021-11-09 08:58:41,624 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 232 transitions, 536 flow [2021-11-09 08:58:41,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:58:41,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-09 08:58:41,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 678 transitions. [2021-11-09 08:58:41,628 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9416666666666667 [2021-11-09 08:58:41,628 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 678 transitions. [2021-11-09 08:58:41,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 678 transitions. [2021-11-09 08:58:41,629 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:58:41,630 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 678 transitions. [2021-11-09 08:58:41,632 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 226.0) internal successors, (678), 3 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:41,635 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 240.0) internal successors, (960), 4 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:41,637 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 240.0) internal successors, (960), 4 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:41,637 INFO L186 Difference]: Start difference. First operand has 241 places, 233 transitions, 498 flow. Second operand 3 states and 678 transitions. [2021-11-09 08:58:41,637 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 232 transitions, 536 flow [2021-11-09 08:58:41,640 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 232 transitions, 506 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-11-09 08:58:41,645 INFO L242 Difference]: Finished difference. Result has 237 places, 232 transitions, 470 flow [2021-11-09 08:58:41,646 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=466, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=470, PETRI_PLACES=237, PETRI_TRANSITIONS=232} [2021-11-09 08:58:41,646 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, -6 predicate places. [2021-11-09 08:58:41,647 INFO L470 AbstractCegarLoop]: Abstraction has has 237 places, 232 transitions, 470 flow [2021-11-09 08:58:41,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 220.33333333333334) internal successors, (661), 3 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:41,648 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:58:41,648 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:58:41,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-09 08:58:41,649 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-09 08:58:41,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:58:41,650 INFO L85 PathProgramCache]: Analyzing trace with hash 911506943, now seen corresponding path program 1 times [2021-11-09 08:58:41,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:58:41,651 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994451081] [2021-11-09 08:58:41,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:58:41,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:58:41,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:58:41,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:58:41,756 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:58:41,756 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994451081] [2021-11-09 08:58:41,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994451081] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:58:41,757 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:58:41,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 08:58:41,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362371473] [2021-11-09 08:58:41,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 08:58:41,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:58:41,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:58:41,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:58:41,766 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 240 [2021-11-09 08:58:41,767 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 232 transitions, 470 flow. Second operand has 3 states, 3 states have (on average 223.33333333333334) internal successors, (670), 3 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:41,769 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:58:41,769 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 240 [2021-11-09 08:58:41,769 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:58:41,847 INFO L129 PetriNetUnfolder]: 8/327 cut-off events. [2021-11-09 08:58:41,848 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-09 08:58:41,849 INFO L84 FinitePrefix]: Finished finitePrefix Result has 362 conditions, 327 events. 8/327 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 499 event pairs, 8 based on Foata normal form. 0/307 useless extension candidates. Maximal degree in co-relation 295. Up to 26 conditions per place. [2021-11-09 08:58:41,850 INFO L132 encePairwiseOnDemand]: 234/240 looper letters, 11 selfloop transitions, 1 changer transitions 0/227 dead transitions. [2021-11-09 08:58:41,850 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 227 transitions, 484 flow [2021-11-09 08:58:41,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:58:41,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-09 08:58:41,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 683 transitions. [2021-11-09 08:58:41,853 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9486111111111111 [2021-11-09 08:58:41,854 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 683 transitions. [2021-11-09 08:58:41,854 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 683 transitions. [2021-11-09 08:58:41,855 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:58:41,855 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 683 transitions. [2021-11-09 08:58:41,858 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 227.66666666666666) internal successors, (683), 3 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:41,860 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 240.0) internal successors, (960), 4 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:41,861 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 240.0) internal successors, (960), 4 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:41,861 INFO L186 Difference]: Start difference. First operand has 237 places, 232 transitions, 470 flow. Second operand 3 states and 683 transitions. [2021-11-09 08:58:41,861 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 227 transitions, 484 flow [2021-11-09 08:58:41,864 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 227 transitions, 480 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-09 08:58:41,867 INFO L242 Difference]: Finished difference. Result has 232 places, 227 transitions, 458 flow [2021-11-09 08:58:41,868 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=456, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=458, PETRI_PLACES=232, PETRI_TRANSITIONS=227} [2021-11-09 08:58:41,868 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, -11 predicate places. [2021-11-09 08:58:41,869 INFO L470 AbstractCegarLoop]: Abstraction has has 232 places, 227 transitions, 458 flow [2021-11-09 08:58:41,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 223.33333333333334) internal successors, (670), 3 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:41,870 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:58:41,870 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:58:41,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-09 08:58:41,871 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-09 08:58:41,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:58:41,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1516707080, now seen corresponding path program 1 times [2021-11-09 08:58:41,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:58:41,873 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961283024] [2021-11-09 08:58:41,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:58:41,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:58:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:58:42,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:58:42,061 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:58:42,061 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961283024] [2021-11-09 08:58:42,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961283024] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:58:42,061 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:58:42,062 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-09 08:58:42,062 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380769588] [2021-11-09 08:58:42,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-09 08:58:42,064 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:58:42,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-09 08:58:42,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-09 08:58:42,067 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 240 [2021-11-09 08:58:42,070 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 227 transitions, 458 flow. Second operand has 6 states, 6 states have (on average 151.16666666666666) internal successors, (907), 6 states have internal predecessors, (907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:42,070 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:58:42,070 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 240 [2021-11-09 08:58:42,070 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:58:42,476 INFO L129 PetriNetUnfolder]: 416/1389 cut-off events. [2021-11-09 08:58:42,477 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-09 08:58:42,479 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2314 conditions, 1389 events. 416/1389 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 7041 event pairs, 416 based on Foata normal form. 0/1240 useless extension candidates. Maximal degree in co-relation 2236. Up to 915 conditions per place. [2021-11-09 08:58:42,486 INFO L132 encePairwiseOnDemand]: 234/240 looper letters, 82 selfloop transitions, 5 changer transitions 0/226 dead transitions. [2021-11-09 08:58:42,486 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 226 transitions, 630 flow [2021-11-09 08:58:42,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-09 08:58:42,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-09 08:58:42,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 964 transitions. [2021-11-09 08:58:42,490 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6694444444444444 [2021-11-09 08:58:42,491 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 964 transitions. [2021-11-09 08:58:42,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 964 transitions. [2021-11-09 08:58:42,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:58:42,492 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 964 transitions. [2021-11-09 08:58:42,495 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 160.66666666666666) internal successors, (964), 6 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:42,498 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 240.0) internal successors, (1680), 7 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:42,499 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 240.0) internal successors, (1680), 7 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:42,499 INFO L186 Difference]: Start difference. First operand has 232 places, 227 transitions, 458 flow. Second operand 6 states and 964 transitions. [2021-11-09 08:58:42,499 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 226 transitions, 630 flow [2021-11-09 08:58:42,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 226 transitions, 629 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-09 08:58:42,506 INFO L242 Difference]: Finished difference. Result has 235 places, 226 transitions, 465 flow [2021-11-09 08:58:42,506 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=455, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=465, PETRI_PLACES=235, PETRI_TRANSITIONS=226} [2021-11-09 08:58:42,507 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, -8 predicate places. [2021-11-09 08:58:42,507 INFO L470 AbstractCegarLoop]: Abstraction has has 235 places, 226 transitions, 465 flow [2021-11-09 08:58:42,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 151.16666666666666) internal successors, (907), 6 states have internal predecessors, (907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:42,508 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:58:42,508 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:58:42,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-09 08:58:42,508 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-09 08:58:42,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:58:42,509 INFO L85 PathProgramCache]: Analyzing trace with hash 889094593, now seen corresponding path program 1 times [2021-11-09 08:58:42,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:58:42,509 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570894051] [2021-11-09 08:58:42,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:58:42,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:58:42,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:58:42,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:58:42,565 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:58:42,565 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570894051] [2021-11-09 08:58:42,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570894051] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:58:42,566 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:58:42,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 08:58:42,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611087491] [2021-11-09 08:58:42,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 08:58:42,567 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:58:42,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:58:42,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:58:42,574 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 240 [2021-11-09 08:58:42,575 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 226 transitions, 465 flow. Second operand has 3 states, 3 states have (on average 232.33333333333334) internal successors, (697), 3 states have internal predecessors, (697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:42,575 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:58:42,576 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 240 [2021-11-09 08:58:42,576 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:58:42,611 INFO L129 PetriNetUnfolder]: 0/225 cut-off events. [2021-11-09 08:58:42,612 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-09 08:58:42,612 INFO L84 FinitePrefix]: Finished finitePrefix Result has 244 conditions, 225 events. 0/225 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 79 event pairs, 0 based on Foata normal form. 0/217 useless extension candidates. Maximal degree in co-relation 0. Up to 7 conditions per place. [2021-11-09 08:58:42,613 INFO L132 encePairwiseOnDemand]: 237/240 looper letters, 6 selfloop transitions, 2 changer transitions 0/225 dead transitions. [2021-11-09 08:58:42,613 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 225 transitions, 479 flow [2021-11-09 08:58:42,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:58:42,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-09 08:58:42,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 702 transitions. [2021-11-09 08:58:42,616 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.975 [2021-11-09 08:58:42,616 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 702 transitions. [2021-11-09 08:58:42,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 702 transitions. [2021-11-09 08:58:42,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:58:42,617 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 702 transitions. [2021-11-09 08:58:42,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 234.0) internal successors, (702), 3 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:42,621 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 240.0) internal successors, (960), 4 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:42,622 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 240.0) internal successors, (960), 4 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:42,622 INFO L186 Difference]: Start difference. First operand has 235 places, 226 transitions, 465 flow. Second operand 3 states and 702 transitions. [2021-11-09 08:58:42,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 225 transitions, 479 flow [2021-11-09 08:58:42,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 225 transitions, 469 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-11-09 08:58:42,629 INFO L242 Difference]: Finished difference. Result has 231 places, 225 transitions, 457 flow [2021-11-09 08:58:42,629 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=453, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=457, PETRI_PLACES=231, PETRI_TRANSITIONS=225} [2021-11-09 08:58:42,630 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, -12 predicate places. [2021-11-09 08:58:42,631 INFO L470 AbstractCegarLoop]: Abstraction has has 231 places, 225 transitions, 457 flow [2021-11-09 08:58:42,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 232.33333333333334) internal successors, (697), 3 states have internal predecessors, (697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:42,631 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:58:42,632 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:58:42,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-09 08:58:42,632 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-09 08:58:42,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:58:42,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1420256359, now seen corresponding path program 1 times [2021-11-09 08:58:42,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:58:42,633 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995981977] [2021-11-09 08:58:42,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:58:42,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:58:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:58:42,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:58:42,754 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:58:42,754 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995981977] [2021-11-09 08:58:42,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995981977] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:58:42,754 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:58:42,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 08:58:42,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882347218] [2021-11-09 08:58:42,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 08:58:42,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:58:42,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:58:42,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:58:42,763 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 240 [2021-11-09 08:58:42,764 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 225 transitions, 457 flow. Second operand has 3 states, 3 states have (on average 235.33333333333334) internal successors, (706), 3 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:42,764 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:58:42,764 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 240 [2021-11-09 08:58:42,764 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:58:42,804 INFO L129 PetriNetUnfolder]: 0/224 cut-off events. [2021-11-09 08:58:42,805 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-09 08:58:42,805 INFO L84 FinitePrefix]: Finished finitePrefix Result has 236 conditions, 224 events. 0/224 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 78 event pairs, 0 based on Foata normal form. 0/217 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-11-09 08:58:42,806 INFO L132 encePairwiseOnDemand]: 238/240 looper letters, 3 selfloop transitions, 1 changer transitions 0/224 dead transitions. [2021-11-09 08:58:42,806 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 224 transitions, 463 flow [2021-11-09 08:58:42,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:58:42,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-09 08:58:42,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 707 transitions. [2021-11-09 08:58:42,809 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9819444444444444 [2021-11-09 08:58:42,809 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 707 transitions. [2021-11-09 08:58:42,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 707 transitions. [2021-11-09 08:58:42,810 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:58:42,811 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 707 transitions. [2021-11-09 08:58:42,813 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 235.66666666666666) internal successors, (707), 3 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:42,815 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 240.0) internal successors, (960), 4 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:42,817 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 240.0) internal successors, (960), 4 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:42,818 INFO L186 Difference]: Start difference. First operand has 231 places, 225 transitions, 457 flow. Second operand 3 states and 707 transitions. [2021-11-09 08:58:42,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 224 transitions, 463 flow [2021-11-09 08:58:42,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 224 transitions, 459 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-09 08:58:42,824 INFO L242 Difference]: Finished difference. Result has 230 places, 224 transitions, 453 flow [2021-11-09 08:58:42,825 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=451, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=453, PETRI_PLACES=230, PETRI_TRANSITIONS=224} [2021-11-09 08:58:42,825 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, -13 predicate places. [2021-11-09 08:58:42,825 INFO L470 AbstractCegarLoop]: Abstraction has has 230 places, 224 transitions, 453 flow [2021-11-09 08:58:42,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 235.33333333333334) internal successors, (706), 3 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:42,826 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:58:42,826 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:58:42,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-09 08:58:42,827 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-09 08:58:42,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:58:42,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1508951152, now seen corresponding path program 1 times [2021-11-09 08:58:42,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:58:42,828 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253078252] [2021-11-09 08:58:42,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:58:42,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:58:42,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:58:42,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:58:42,993 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:58:42,993 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253078252] [2021-11-09 08:58:42,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253078252] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:58:42,993 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:58:42,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-09 08:58:42,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366990372] [2021-11-09 08:58:42,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-09 08:58:42,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:58:42,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-09 08:58:42,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-09 08:58:42,999 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 240 [2021-11-09 08:58:43,001 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 224 transitions, 453 flow. Second operand has 6 states, 6 states have (on average 156.5) internal successors, (939), 6 states have internal predecessors, (939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:43,001 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:58:43,001 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 240 [2021-11-09 08:58:43,001 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:58:44,137 INFO L129 PetriNetUnfolder]: 748/2367 cut-off events. [2021-11-09 08:58:44,138 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-09 08:58:44,142 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4005 conditions, 2367 events. 748/2367 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 14619 event pairs, 68 based on Foata normal form. 0/2116 useless extension candidates. Maximal degree in co-relation 3928. Up to 790 conditions per place. [2021-11-09 08:58:44,156 INFO L132 encePairwiseOnDemand]: 212/240 looper letters, 170 selfloop transitions, 70 changer transitions 0/380 dead transitions. [2021-11-09 08:58:44,156 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 380 transitions, 1245 flow [2021-11-09 08:58:44,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-09 08:58:44,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-09 08:58:44,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1136 transitions. [2021-11-09 08:58:44,161 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7888888888888889 [2021-11-09 08:58:44,161 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1136 transitions. [2021-11-09 08:58:44,161 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1136 transitions. [2021-11-09 08:58:44,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:58:44,162 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1136 transitions. [2021-11-09 08:58:44,166 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 189.33333333333334) internal successors, (1136), 6 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:44,170 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 240.0) internal successors, (1680), 7 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:44,171 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 240.0) internal successors, (1680), 7 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:44,171 INFO L186 Difference]: Start difference. First operand has 230 places, 224 transitions, 453 flow. Second operand 6 states and 1136 transitions. [2021-11-09 08:58:44,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 380 transitions, 1245 flow [2021-11-09 08:58:44,180 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 380 transitions, 1244 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-09 08:58:44,186 INFO L242 Difference]: Finished difference. Result has 238 places, 294 transitions, 930 flow [2021-11-09 08:58:44,187 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=450, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=930, PETRI_PLACES=238, PETRI_TRANSITIONS=294} [2021-11-09 08:58:44,188 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, -5 predicate places. [2021-11-09 08:58:44,188 INFO L470 AbstractCegarLoop]: Abstraction has has 238 places, 294 transitions, 930 flow [2021-11-09 08:58:44,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 156.5) internal successors, (939), 6 states have internal predecessors, (939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:44,189 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:58:44,189 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:58:44,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-09 08:58:44,190 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-09 08:58:44,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:58:44,190 INFO L85 PathProgramCache]: Analyzing trace with hash -947789103, now seen corresponding path program 1 times [2021-11-09 08:58:44,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:58:44,191 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065597300] [2021-11-09 08:58:44,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:58:44,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:58:44,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:58:44,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:58:44,402 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:58:44,402 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065597300] [2021-11-09 08:58:44,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065597300] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:58:44,403 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:58:44,403 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-09 08:58:44,403 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41563250] [2021-11-09 08:58:44,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-09 08:58:44,404 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:58:44,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-09 08:58:44,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-09 08:58:44,407 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 240 [2021-11-09 08:58:44,409 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 294 transitions, 930 flow. Second operand has 6 states, 6 states have (on average 156.5) internal successors, (939), 6 states have internal predecessors, (939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:44,409 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:58:44,409 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 240 [2021-11-09 08:58:44,409 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:58:45,162 INFO L129 PetriNetUnfolder]: 836/2682 cut-off events. [2021-11-09 08:58:45,163 INFO L130 PetriNetUnfolder]: For 874/874 co-relation queries the response was YES. [2021-11-09 08:58:45,170 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5926 conditions, 2682 events. 836/2682 cut-off events. For 874/874 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 17169 event pairs, 379 based on Foata normal form. 0/2498 useless extension candidates. Maximal degree in co-relation 5847. Up to 1700 conditions per place. [2021-11-09 08:58:45,184 INFO L132 encePairwiseOnDemand]: 225/240 looper letters, 166 selfloop transitions, 48 changer transitions 0/354 dead transitions. [2021-11-09 08:58:45,184 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 354 transitions, 1574 flow [2021-11-09 08:58:45,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-09 08:58:45,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-09 08:58:45,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1031 transitions. [2021-11-09 08:58:45,189 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7159722222222222 [2021-11-09 08:58:45,189 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1031 transitions. [2021-11-09 08:58:45,189 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1031 transitions. [2021-11-09 08:58:45,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:58:45,190 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1031 transitions. [2021-11-09 08:58:45,193 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 171.83333333333334) internal successors, (1031), 6 states have internal predecessors, (1031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:45,197 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 240.0) internal successors, (1680), 7 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:45,198 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 240.0) internal successors, (1680), 7 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:45,198 INFO L186 Difference]: Start difference. First operand has 238 places, 294 transitions, 930 flow. Second operand 6 states and 1031 transitions. [2021-11-09 08:58:45,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 354 transitions, 1574 flow [2021-11-09 08:58:45,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 354 transitions, 1574 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-09 08:58:45,213 INFO L242 Difference]: Finished difference. Result has 248 places, 337 transitions, 1318 flow [2021-11-09 08:58:45,213 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=930, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1318, PETRI_PLACES=248, PETRI_TRANSITIONS=337} [2021-11-09 08:58:45,214 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, 5 predicate places. [2021-11-09 08:58:45,214 INFO L470 AbstractCegarLoop]: Abstraction has has 248 places, 337 transitions, 1318 flow [2021-11-09 08:58:45,215 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 156.5) internal successors, (939), 6 states have internal predecessors, (939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:45,215 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:58:45,215 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:58:45,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-09 08:58:45,215 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-09 08:58:45,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:58:45,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1402241476, now seen corresponding path program 1 times [2021-11-09 08:58:45,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:58:45,216 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893558514] [2021-11-09 08:58:45,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:58:45,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:58:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:58:45,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:58:45,351 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:58:45,351 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893558514] [2021-11-09 08:58:45,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893558514] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:58:45,352 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:58:45,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-09 08:58:45,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555512902] [2021-11-09 08:58:45,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-09 08:58:45,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:58:45,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-09 08:58:45,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-09 08:58:45,356 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 240 [2021-11-09 08:58:45,357 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 337 transitions, 1318 flow. Second operand has 6 states, 6 states have (on average 158.5) internal successors, (951), 6 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:45,357 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:58:45,357 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 240 [2021-11-09 08:58:45,358 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:58:46,426 INFO L129 PetriNetUnfolder]: 985/3292 cut-off events. [2021-11-09 08:58:46,426 INFO L130 PetriNetUnfolder]: For 2014/2144 co-relation queries the response was YES. [2021-11-09 08:58:46,440 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8154 conditions, 3292 events. 985/3292 cut-off events. For 2014/2144 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 23061 event pairs, 173 based on Foata normal form. 0/3151 useless extension candidates. Maximal degree in co-relation 8067. Up to 1578 conditions per place. [2021-11-09 08:58:46,461 INFO L132 encePairwiseOnDemand]: 218/240 looper letters, 271 selfloop transitions, 135 changer transitions 4/552 dead transitions. [2021-11-09 08:58:46,462 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 552 transitions, 3230 flow [2021-11-09 08:58:46,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-09 08:58:46,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-09 08:58:46,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1103 transitions. [2021-11-09 08:58:46,467 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7659722222222223 [2021-11-09 08:58:46,467 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1103 transitions. [2021-11-09 08:58:46,468 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1103 transitions. [2021-11-09 08:58:46,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:58:46,469 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1103 transitions. [2021-11-09 08:58:46,472 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 183.83333333333334) internal successors, (1103), 6 states have internal predecessors, (1103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:46,476 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 240.0) internal successors, (1680), 7 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:46,478 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 240.0) internal successors, (1680), 7 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:46,478 INFO L186 Difference]: Start difference. First operand has 248 places, 337 transitions, 1318 flow. Second operand 6 states and 1103 transitions. [2021-11-09 08:58:46,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 552 transitions, 3230 flow [2021-11-09 08:58:46,494 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 552 transitions, 3212 flow, removed 9 selfloop flow, removed 0 redundant places. [2021-11-09 08:58:46,506 INFO L242 Difference]: Finished difference. Result has 258 places, 467 transitions, 2658 flow [2021-11-09 08:58:46,507 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=1300, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=337, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2658, PETRI_PLACES=258, PETRI_TRANSITIONS=467} [2021-11-09 08:58:46,507 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, 15 predicate places. [2021-11-09 08:58:46,507 INFO L470 AbstractCegarLoop]: Abstraction has has 258 places, 467 transitions, 2658 flow [2021-11-09 08:58:46,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 158.5) internal successors, (951), 6 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:46,508 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:58:46,508 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:58:46,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-09 08:58:46,509 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-09 08:58:46,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:58:46,509 INFO L85 PathProgramCache]: Analyzing trace with hash 2078192726, now seen corresponding path program 1 times [2021-11-09 08:58:46,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:58:46,510 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960337901] [2021-11-09 08:58:46,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:58:46,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:58:46,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:58:46,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:58:46,639 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:58:46,640 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960337901] [2021-11-09 08:58:46,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960337901] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:58:46,640 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:58:46,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-09 08:58:46,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429435361] [2021-11-09 08:58:46,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-09 08:58:46,641 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:58:46,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-09 08:58:46,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-09 08:58:46,644 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 240 [2021-11-09 08:58:46,646 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 467 transitions, 2658 flow. Second operand has 6 states, 6 states have (on average 157.5) internal successors, (945), 6 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:46,646 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:58:46,646 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 240 [2021-11-09 08:58:46,646 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:58:47,588 INFO L129 PetriNetUnfolder]: 1055/3443 cut-off events. [2021-11-09 08:58:47,588 INFO L130 PetriNetUnfolder]: For 3913/3980 co-relation queries the response was YES. [2021-11-09 08:58:47,603 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10308 conditions, 3443 events. 1055/3443 cut-off events. For 3913/3980 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 24203 event pairs, 258 based on Foata normal form. 0/3351 useless extension candidates. Maximal degree in co-relation 10219. Up to 2152 conditions per place. [2021-11-09 08:58:47,625 INFO L132 encePairwiseOnDemand]: 225/240 looper letters, 331 selfloop transitions, 62 changer transitions 0/534 dead transitions. [2021-11-09 08:58:47,625 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 534 transitions, 3858 flow [2021-11-09 08:58:47,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-09 08:58:47,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-09 08:58:47,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1031 transitions. [2021-11-09 08:58:47,630 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7159722222222222 [2021-11-09 08:58:47,630 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1031 transitions. [2021-11-09 08:58:47,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1031 transitions. [2021-11-09 08:58:47,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:58:47,631 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1031 transitions. [2021-11-09 08:58:47,634 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 171.83333333333334) internal successors, (1031), 6 states have internal predecessors, (1031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:47,638 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 240.0) internal successors, (1680), 7 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:47,639 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 240.0) internal successors, (1680), 7 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:47,639 INFO L186 Difference]: Start difference. First operand has 258 places, 467 transitions, 2658 flow. Second operand 6 states and 1031 transitions. [2021-11-09 08:58:47,639 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 534 transitions, 3858 flow [2021-11-09 08:58:47,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 534 transitions, 3822 flow, removed 18 selfloop flow, removed 0 redundant places. [2021-11-09 08:58:47,681 INFO L242 Difference]: Finished difference. Result has 268 places, 516 transitions, 3248 flow [2021-11-09 08:58:47,682 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=2622, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=467, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=429, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3248, PETRI_PLACES=268, PETRI_TRANSITIONS=516} [2021-11-09 08:58:47,683 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, 25 predicate places. [2021-11-09 08:58:47,683 INFO L470 AbstractCegarLoop]: Abstraction has has 268 places, 516 transitions, 3248 flow [2021-11-09 08:58:47,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 157.5) internal successors, (945), 6 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:47,684 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:58:47,684 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:58:47,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-09 08:58:47,684 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-09 08:58:47,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:58:47,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1363911631, now seen corresponding path program 1 times [2021-11-09 08:58:47,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:58:47,685 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246261237] [2021-11-09 08:58:47,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:58:47,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:58:47,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:58:48,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:58:48,107 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:58:48,107 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246261237] [2021-11-09 08:58:48,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246261237] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:58:48,108 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:58:48,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-09 08:58:48,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927759853] [2021-11-09 08:58:48,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-09 08:58:48,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:58:48,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-09 08:58:48,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-11-09 08:58:48,113 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 240 [2021-11-09 08:58:48,115 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 516 transitions, 3248 flow. Second operand has 13 states, 13 states have (on average 140.3846153846154) internal successors, (1825), 13 states have internal predecessors, (1825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:48,116 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:58:48,116 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 240 [2021-11-09 08:58:48,116 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:58:50,278 INFO L129 PetriNetUnfolder]: 1441/4639 cut-off events. [2021-11-09 08:58:50,278 INFO L130 PetriNetUnfolder]: For 7385/7509 co-relation queries the response was YES. [2021-11-09 08:58:50,301 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15307 conditions, 4639 events. 1441/4639 cut-off events. For 7385/7509 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 35200 event pairs, 200 based on Foata normal form. 26/4614 useless extension candidates. Maximal degree in co-relation 15208. Up to 1318 conditions per place. [2021-11-09 08:58:50,329 INFO L132 encePairwiseOnDemand]: 207/240 looper letters, 505 selfloop transitions, 205 changer transitions 2/841 dead transitions. [2021-11-09 08:58:50,329 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 841 transitions, 7190 flow [2021-11-09 08:58:50,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-09 08:58:50,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-11-09 08:58:50,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2732 transitions. [2021-11-09 08:58:50,340 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6324074074074074 [2021-11-09 08:58:50,341 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2732 transitions. [2021-11-09 08:58:50,341 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2732 transitions. [2021-11-09 08:58:50,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:58:50,343 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2732 transitions. [2021-11-09 08:58:50,352 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 151.77777777777777) internal successors, (2732), 18 states have internal predecessors, (2732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:50,362 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 240.0) internal successors, (4560), 19 states have internal predecessors, (4560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:50,373 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 240.0) internal successors, (4560), 19 states have internal predecessors, (4560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:50,378 INFO L186 Difference]: Start difference. First operand has 268 places, 516 transitions, 3248 flow. Second operand 18 states and 2732 transitions. [2021-11-09 08:58:50,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 841 transitions, 7190 flow [2021-11-09 08:58:50,445 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 841 transitions, 7064 flow, removed 63 selfloop flow, removed 0 redundant places. [2021-11-09 08:58:50,460 INFO L242 Difference]: Finished difference. Result has 292 places, 607 transitions, 4834 flow [2021-11-09 08:58:50,461 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=3136, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=516, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=122, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=343, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=4834, PETRI_PLACES=292, PETRI_TRANSITIONS=607} [2021-11-09 08:58:50,461 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, 49 predicate places. [2021-11-09 08:58:50,461 INFO L470 AbstractCegarLoop]: Abstraction has has 292 places, 607 transitions, 4834 flow [2021-11-09 08:58:50,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 140.3846153846154) internal successors, (1825), 13 states have internal predecessors, (1825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:50,462 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:58:50,463 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:58:50,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-09 08:58:50,463 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-09 08:58:50,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:58:50,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1805915558, now seen corresponding path program 1 times [2021-11-09 08:58:50,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:58:50,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983096842] [2021-11-09 08:58:50,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:58:50,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:58:50,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:58:50,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:58:50,921 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:58:50,922 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983096842] [2021-11-09 08:58:50,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983096842] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:58:50,922 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:58:50,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-09 08:58:50,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949710266] [2021-11-09 08:58:50,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-09 08:58:50,923 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:58:50,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-09 08:58:50,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-11-09 08:58:50,927 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 240 [2021-11-09 08:58:50,929 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 607 transitions, 4834 flow. Second operand has 13 states, 13 states have (on average 138.46153846153845) internal successors, (1800), 13 states have internal predecessors, (1800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:50,929 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:58:50,929 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 240 [2021-11-09 08:58:50,929 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:58:53,371 INFO L129 PetriNetUnfolder]: 1485/4615 cut-off events. [2021-11-09 08:58:53,371 INFO L130 PetriNetUnfolder]: For 11801/11917 co-relation queries the response was YES. [2021-11-09 08:58:53,400 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16865 conditions, 4615 events. 1485/4615 cut-off events. For 11801/11917 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 34245 event pairs, 307 based on Foata normal form. 43/4594 useless extension candidates. Maximal degree in co-relation 16755. Up to 2570 conditions per place. [2021-11-09 08:58:53,424 INFO L132 encePairwiseOnDemand]: 221/240 looper letters, 514 selfloop transitions, 91 changer transitions 0/731 dead transitions. [2021-11-09 08:58:53,424 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 731 transitions, 7164 flow [2021-11-09 08:58:53,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-09 08:58:53,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-11-09 08:58:53,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1953 transitions. [2021-11-09 08:58:53,431 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6259615384615385 [2021-11-09 08:58:53,432 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1953 transitions. [2021-11-09 08:58:53,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1953 transitions. [2021-11-09 08:58:53,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:58:53,434 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1953 transitions. [2021-11-09 08:58:53,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 150.23076923076923) internal successors, (1953), 13 states have internal predecessors, (1953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:53,446 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 240.0) internal successors, (3360), 14 states have internal predecessors, (3360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:53,448 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 240.0) internal successors, (3360), 14 states have internal predecessors, (3360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:53,448 INFO L186 Difference]: Start difference. First operand has 292 places, 607 transitions, 4834 flow. Second operand 13 states and 1953 transitions. [2021-11-09 08:58:53,448 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 731 transitions, 7164 flow [2021-11-09 08:58:53,655 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 731 transitions, 7113 flow, removed 18 selfloop flow, removed 5 redundant places. [2021-11-09 08:58:53,677 INFO L242 Difference]: Finished difference. Result has 304 places, 616 transitions, 5232 flow [2021-11-09 08:58:53,678 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=4799, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=607, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=519, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=5232, PETRI_PLACES=304, PETRI_TRANSITIONS=616} [2021-11-09 08:58:53,678 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, 61 predicate places. [2021-11-09 08:58:53,678 INFO L470 AbstractCegarLoop]: Abstraction has has 304 places, 616 transitions, 5232 flow [2021-11-09 08:58:53,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 138.46153846153845) internal successors, (1800), 13 states have internal predecessors, (1800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:53,679 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:58:53,679 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:58:53,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-09 08:58:53,679 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-09 08:58:53,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:58:53,680 INFO L85 PathProgramCache]: Analyzing trace with hash -114608593, now seen corresponding path program 2 times [2021-11-09 08:58:53,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:58:53,680 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390855611] [2021-11-09 08:58:53,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:58:53,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:58:53,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:58:54,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:58:54,110 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:58:54,110 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390855611] [2021-11-09 08:58:54,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390855611] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:58:54,111 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:58:54,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-09 08:58:54,111 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21288953] [2021-11-09 08:58:54,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-09 08:58:54,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:58:54,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-09 08:58:54,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-11-09 08:58:54,116 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 240 [2021-11-09 08:58:54,118 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 616 transitions, 5232 flow. Second operand has 13 states, 13 states have (on average 140.3846153846154) internal successors, (1825), 13 states have internal predecessors, (1825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:54,118 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:58:54,118 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 240 [2021-11-09 08:58:54,118 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:58:57,017 INFO L129 PetriNetUnfolder]: 1728/5517 cut-off events. [2021-11-09 08:58:57,017 INFO L130 PetriNetUnfolder]: For 18988/19147 co-relation queries the response was YES. [2021-11-09 08:58:57,051 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21675 conditions, 5517 events. 1728/5517 cut-off events. For 18988/19147 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 44616 event pairs, 248 based on Foata normal form. 62/5531 useless extension candidates. Maximal degree in co-relation 21558. Up to 1719 conditions per place. [2021-11-09 08:58:57,120 INFO L132 encePairwiseOnDemand]: 205/240 looper letters, 546 selfloop transitions, 247 changer transitions 4/927 dead transitions. [2021-11-09 08:58:57,121 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 927 transitions, 9713 flow [2021-11-09 08:58:57,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-09 08:58:57,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-11-09 08:58:57,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2926 transitions. [2021-11-09 08:58:57,141 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6416666666666667 [2021-11-09 08:58:57,142 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2926 transitions. [2021-11-09 08:58:57,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2926 transitions. [2021-11-09 08:58:57,144 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:58:57,145 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2926 transitions. [2021-11-09 08:58:57,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 154.0) internal successors, (2926), 19 states have internal predecessors, (2926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:57,163 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 240.0) internal successors, (4800), 20 states have internal predecessors, (4800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:57,164 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 240.0) internal successors, (4800), 20 states have internal predecessors, (4800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:57,164 INFO L186 Difference]: Start difference. First operand has 304 places, 616 transitions, 5232 flow. Second operand 19 states and 2926 transitions. [2021-11-09 08:58:57,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 927 transitions, 9713 flow [2021-11-09 08:58:57,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 927 transitions, 9663 flow, removed 0 selfloop flow, removed 7 redundant places. [2021-11-09 08:58:57,312 INFO L242 Difference]: Finished difference. Result has 326 places, 678 transitions, 7152 flow [2021-11-09 08:58:57,313 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=5207, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=616, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=185, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=382, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=7152, PETRI_PLACES=326, PETRI_TRANSITIONS=678} [2021-11-09 08:58:57,313 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, 83 predicate places. [2021-11-09 08:58:57,313 INFO L470 AbstractCegarLoop]: Abstraction has has 326 places, 678 transitions, 7152 flow [2021-11-09 08:58:57,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 140.3846153846154) internal successors, (1825), 13 states have internal predecessors, (1825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:57,314 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:58:57,314 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:58:57,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-09 08:58:57,315 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-09 08:58:57,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:58:57,315 INFO L85 PathProgramCache]: Analyzing trace with hash -156167475, now seen corresponding path program 3 times [2021-11-09 08:58:57,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:58:57,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968950084] [2021-11-09 08:58:57,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:58:57,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:58:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:58:57,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:58:57,757 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:58:57,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968950084] [2021-11-09 08:58:57,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968950084] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:58:57,758 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:58:57,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-09 08:58:57,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60347778] [2021-11-09 08:58:57,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-09 08:58:57,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:58:57,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-09 08:58:57,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-11-09 08:58:57,763 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 240 [2021-11-09 08:58:57,764 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 678 transitions, 7152 flow. Second operand has 13 states, 13 states have (on average 140.3846153846154) internal successors, (1825), 13 states have internal predecessors, (1825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:57,765 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:58:57,765 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 240 [2021-11-09 08:58:57,765 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:59:00,831 INFO L129 PetriNetUnfolder]: 2140/6923 cut-off events. [2021-11-09 08:59:00,832 INFO L130 PetriNetUnfolder]: For 30422/30701 co-relation queries the response was YES. [2021-11-09 08:59:00,874 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29005 conditions, 6923 events. 2140/6923 cut-off events. For 30422/30701 co-relation queries the response was YES. Maximal size of possible extension queue 251. Compared 61129 event pairs, 327 based on Foata normal form. 85/6953 useless extension candidates. Maximal degree in co-relation 28877. Up to 2215 conditions per place. [2021-11-09 08:59:00,910 INFO L132 encePairwiseOnDemand]: 205/240 looper letters, 573 selfloop transitions, 282 changer transitions 4/989 dead transitions. [2021-11-09 08:59:00,910 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 989 transitions, 11937 flow [2021-11-09 08:59:00,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-09 08:59:00,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-11-09 08:59:00,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2100 transitions. [2021-11-09 08:59:00,916 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6730769230769231 [2021-11-09 08:59:00,917 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2100 transitions. [2021-11-09 08:59:00,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2100 transitions. [2021-11-09 08:59:00,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:59:00,918 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2100 transitions. [2021-11-09 08:59:00,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 161.53846153846155) internal successors, (2100), 13 states have internal predecessors, (2100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:59:00,932 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 240.0) internal successors, (3360), 14 states have internal predecessors, (3360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:59:00,933 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 240.0) internal successors, (3360), 14 states have internal predecessors, (3360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:59:00,934 INFO L186 Difference]: Start difference. First operand has 326 places, 678 transitions, 7152 flow. Second operand 13 states and 2100 transitions. [2021-11-09 08:59:00,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 338 places, 989 transitions, 11937 flow [2021-11-09 08:59:01,180 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 332 places, 989 transitions, 11881 flow, removed 12 selfloop flow, removed 6 redundant places. [2021-11-09 08:59:01,204 INFO L242 Difference]: Finished difference. Result has 339 places, 739 transitions, 9328 flow [2021-11-09 08:59:01,205 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=7112, PETRI_DIFFERENCE_MINUEND_PLACES=320, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=678, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=221, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=401, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=9328, PETRI_PLACES=339, PETRI_TRANSITIONS=739} [2021-11-09 08:59:01,205 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, 96 predicate places. [2021-11-09 08:59:01,206 INFO L470 AbstractCegarLoop]: Abstraction has has 339 places, 739 transitions, 9328 flow [2021-11-09 08:59:01,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 140.3846153846154) internal successors, (1825), 13 states have internal predecessors, (1825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:59:01,207 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:59:01,207 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:59:01,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-09 08:59:01,207 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-09 08:59:01,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:59:01,208 INFO L85 PathProgramCache]: Analyzing trace with hash 391139627, now seen corresponding path program 4 times [2021-11-09 08:59:01,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:59:01,208 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631118875] [2021-11-09 08:59:01,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:59:01,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:59:01,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:59:01,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:59:01,605 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:59:01,605 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631118875] [2021-11-09 08:59:01,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631118875] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:59:01,608 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:59:01,608 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-09 08:59:01,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145261847] [2021-11-09 08:59:01,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-09 08:59:01,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:59:01,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-09 08:59:01,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-11-09 08:59:01,615 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 240 [2021-11-09 08:59:01,617 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 739 transitions, 9328 flow. Second operand has 13 states, 13 states have (on average 140.3846153846154) internal successors, (1825), 13 states have internal predecessors, (1825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:59:01,617 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:59:01,618 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 240 [2021-11-09 08:59:01,618 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:59:05,343 INFO L129 PetriNetUnfolder]: 2543/8146 cut-off events. [2021-11-09 08:59:05,343 INFO L130 PetriNetUnfolder]: For 44308/44662 co-relation queries the response was YES. [2021-11-09 08:59:05,423 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35218 conditions, 8146 events. 2543/8146 cut-off events. For 44308/44662 co-relation queries the response was YES. Maximal size of possible extension queue 275. Compared 73947 event pairs, 358 based on Foata normal form. 72/8144 useless extension candidates. Maximal degree in co-relation 35082. Up to 2577 conditions per place. [2021-11-09 08:59:05,457 INFO L132 encePairwiseOnDemand]: 209/240 looper letters, 671 selfloop transitions, 252 changer transitions 4/1057 dead transitions. [2021-11-09 08:59:05,457 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 1057 transitions, 14247 flow [2021-11-09 08:59:05,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-09 08:59:05,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-11-09 08:59:05,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2771 transitions. [2021-11-09 08:59:05,476 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6414351851851852 [2021-11-09 08:59:05,476 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2771 transitions. [2021-11-09 08:59:05,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2771 transitions. [2021-11-09 08:59:05,478 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:59:05,478 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2771 transitions. [2021-11-09 08:59:05,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 153.94444444444446) internal successors, (2771), 18 states have internal predecessors, (2771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:59:05,494 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 240.0) internal successors, (4560), 19 states have internal predecessors, (4560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:59:05,496 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 240.0) internal successors, (4560), 19 states have internal predecessors, (4560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:59:05,496 INFO L186 Difference]: Start difference. First operand has 339 places, 739 transitions, 9328 flow. Second operand 18 states and 2771 transitions. [2021-11-09 08:59:05,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 1057 transitions, 14247 flow [2021-11-09 08:59:05,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 1057 transitions, 14061 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-11-09 08:59:05,883 INFO L242 Difference]: Finished difference. Result has 357 places, 788 transitions, 10841 flow [2021-11-09 08:59:05,884 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=9205, PETRI_DIFFERENCE_MINUEND_PLACES=334, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=739, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=207, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=499, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=10841, PETRI_PLACES=357, PETRI_TRANSITIONS=788} [2021-11-09 08:59:05,884 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, 114 predicate places. [2021-11-09 08:59:05,884 INFO L470 AbstractCegarLoop]: Abstraction has has 357 places, 788 transitions, 10841 flow [2021-11-09 08:59:05,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 140.3846153846154) internal successors, (1825), 13 states have internal predecessors, (1825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:59:05,885 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:59:05,886 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:59:05,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-09 08:59:05,886 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-09 08:59:05,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:59:05,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1193848471, now seen corresponding path program 5 times [2021-11-09 08:59:05,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:59:05,887 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397097252] [2021-11-09 08:59:05,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:59:05,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:59:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:59:06,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:59:06,227 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:59:06,227 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397097252] [2021-11-09 08:59:06,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397097252] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:59:06,227 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:59:06,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-09 08:59:06,228 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367730555] [2021-11-09 08:59:06,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-09 08:59:06,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:59:06,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-09 08:59:06,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2021-11-09 08:59:06,232 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 240 [2021-11-09 08:59:06,235 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 357 places, 788 transitions, 10841 flow. Second operand has 13 states, 13 states have (on average 140.3846153846154) internal successors, (1825), 13 states have internal predecessors, (1825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:59:06,235 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:59:06,235 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 240 [2021-11-09 08:59:06,235 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:59:10,849 INFO L129 PetriNetUnfolder]: 2834/9084 cut-off events. [2021-11-09 08:59:10,849 INFO L130 PetriNetUnfolder]: For 60373/60697 co-relation queries the response was YES. [2021-11-09 08:59:11,032 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41348 conditions, 9084 events. 2834/9084 cut-off events. For 60373/60697 co-relation queries the response was YES. Maximal size of possible extension queue 338. Compared 86272 event pairs, 442 based on Foata normal form. 89/9104 useless extension candidates. Maximal degree in co-relation 41204. Up to 2859 conditions per place. [2021-11-09 08:59:11,062 INFO L132 encePairwiseOnDemand]: 205/240 looper letters, 627 selfloop transitions, 337 changer transitions 4/1098 dead transitions. [2021-11-09 08:59:11,062 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 1098 transitions, 16332 flow [2021-11-09 08:59:11,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-09 08:59:11,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-11-09 08:59:11,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 3069 transitions. [2021-11-09 08:59:11,069 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.639375 [2021-11-09 08:59:11,069 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 3069 transitions. [2021-11-09 08:59:11,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 3069 transitions. [2021-11-09 08:59:11,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:59:11,071 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 3069 transitions. [2021-11-09 08:59:11,076 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 153.45) internal successors, (3069), 20 states have internal predecessors, (3069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:59:11,084 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 240.0) internal successors, (5040), 21 states have internal predecessors, (5040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:59:11,086 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 240.0) internal successors, (5040), 21 states have internal predecessors, (5040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:59:11,086 INFO L186 Difference]: Start difference. First operand has 357 places, 788 transitions, 10841 flow. Second operand 20 states and 3069 transitions. [2021-11-09 08:59:11,086 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 1098 transitions, 16332 flow [2021-11-09 08:59:11,418 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 1098 transitions, 16232 flow, removed 22 selfloop flow, removed 10 redundant places. [2021-11-09 08:59:11,444 INFO L242 Difference]: Finished difference. Result has 371 places, 841 transitions, 13355 flow [2021-11-09 08:59:11,445 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=10750, PETRI_DIFFERENCE_MINUEND_PLACES=347, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=788, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=290, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=464, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=13355, PETRI_PLACES=371, PETRI_TRANSITIONS=841} [2021-11-09 08:59:11,445 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, 128 predicate places. [2021-11-09 08:59:11,446 INFO L470 AbstractCegarLoop]: Abstraction has has 371 places, 841 transitions, 13355 flow [2021-11-09 08:59:11,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 140.3846153846154) internal successors, (1825), 13 states have internal predecessors, (1825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:59:11,447 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:59:11,447 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:59:11,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-09 08:59:11,447 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-09 08:59:11,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:59:11,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1312925061, now seen corresponding path program 6 times [2021-11-09 08:59:11,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:59:11,449 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570153677] [2021-11-09 08:59:11,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:59:11,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:59:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:59:11,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:59:11,844 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:59:11,845 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570153677] [2021-11-09 08:59:11,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570153677] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:59:11,845 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:59:11,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-09 08:59:11,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131509200] [2021-11-09 08:59:11,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-09 08:59:11,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:59:11,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-09 08:59:11,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2021-11-09 08:59:11,850 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 240 [2021-11-09 08:59:11,852 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 841 transitions, 13355 flow. Second operand has 13 states, 13 states have (on average 140.3846153846154) internal successors, (1825), 13 states have internal predecessors, (1825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:59:11,852 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:59:11,852 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 240 [2021-11-09 08:59:11,852 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:59:16,759 INFO L129 PetriNetUnfolder]: 3256/10555 cut-off events. [2021-11-09 08:59:16,759 INFO L130 PetriNetUnfolder]: For 82629/83073 co-relation queries the response was YES. [2021-11-09 08:59:16,857 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49382 conditions, 10555 events. 3256/10555 cut-off events. For 82629/83073 co-relation queries the response was YES. Maximal size of possible extension queue 422. Compared 105306 event pairs, 527 based on Foata normal form. 112/10590 useless extension candidates. Maximal degree in co-relation 49233. Up to 3352 conditions per place. [2021-11-09 08:59:17,009 INFO L132 encePairwiseOnDemand]: 205/240 looper letters, 652 selfloop transitions, 375 changer transitions 4/1161 dead transitions. [2021-11-09 08:59:17,009 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 1161 transitions, 19242 flow [2021-11-09 08:59:17,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-09 08:59:17,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-11-09 08:59:17,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2240 transitions. [2021-11-09 08:59:17,013 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2021-11-09 08:59:17,013 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2240 transitions. [2021-11-09 08:59:17,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2240 transitions. [2021-11-09 08:59:17,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:59:17,015 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2240 transitions. [2021-11-09 08:59:17,018 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 160.0) internal successors, (2240), 14 states have internal predecessors, (2240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:59:17,023 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 240.0) internal successors, (3600), 15 states have internal predecessors, (3600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:59:17,024 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 240.0) internal successors, (3600), 15 states have internal predecessors, (3600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:59:17,024 INFO L186 Difference]: Start difference. First operand has 371 places, 841 transitions, 13355 flow. Second operand 14 states and 2240 transitions. [2021-11-09 08:59:17,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 1161 transitions, 19242 flow [2021-11-09 08:59:17,434 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 1161 transitions, 19021 flow, removed 8 selfloop flow, removed 14 redundant places. [2021-11-09 08:59:17,453 INFO L242 Difference]: Finished difference. Result has 379 places, 907 transitions, 16328 flow [2021-11-09 08:59:17,455 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=13169, PETRI_DIFFERENCE_MINUEND_PLACES=357, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=841, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=310, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=475, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=16328, PETRI_PLACES=379, PETRI_TRANSITIONS=907} [2021-11-09 08:59:17,455 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, 136 predicate places. [2021-11-09 08:59:17,455 INFO L470 AbstractCegarLoop]: Abstraction has has 379 places, 907 transitions, 16328 flow [2021-11-09 08:59:17,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 140.3846153846154) internal successors, (1825), 13 states have internal predecessors, (1825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:59:17,456 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:59:17,456 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:59:17,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-09 08:59:17,457 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-09 08:59:17,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:59:17,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1481252007, now seen corresponding path program 7 times [2021-11-09 08:59:17,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:59:17,457 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120907207] [2021-11-09 08:59:17,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:59:17,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:59:17,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:59:17,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:59:17,815 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:59:17,816 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120907207] [2021-11-09 08:59:17,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120907207] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:59:17,816 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:59:17,816 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-09 08:59:17,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174400370] [2021-11-09 08:59:17,817 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-09 08:59:17,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:59:17,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-09 08:59:17,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-11-09 08:59:17,821 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 240 [2021-11-09 08:59:17,824 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 907 transitions, 16328 flow. Second operand has 13 states, 13 states have (on average 140.3846153846154) internal successors, (1825), 13 states have internal predecessors, (1825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:59:17,824 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:59:17,824 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 240 [2021-11-09 08:59:17,824 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:59:22,947 INFO L129 PetriNetUnfolder]: 3432/11167 cut-off events. [2021-11-09 08:59:22,947 INFO L130 PetriNetUnfolder]: For 105496/105938 co-relation queries the response was YES. [2021-11-09 08:59:23,041 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54073 conditions, 11167 events. 3432/11167 cut-off events. For 105496/105938 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 113288 event pairs, 455 based on Foata normal form. 129/11231 useless extension candidates. Maximal degree in co-relation 53914. Up to 3382 conditions per place. [2021-11-09 08:59:23,078 INFO L132 encePairwiseOnDemand]: 206/240 looper letters, 666 selfloop transitions, 429 changer transitions 3/1228 dead transitions. [2021-11-09 08:59:23,078 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 1228 transitions, 22707 flow [2021-11-09 08:59:23,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-09 08:59:23,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-11-09 08:59:23,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2761 transitions. [2021-11-09 08:59:23,083 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6391203703703704 [2021-11-09 08:59:23,083 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2761 transitions. [2021-11-09 08:59:23,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2761 transitions. [2021-11-09 08:59:23,085 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:59:23,085 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2761 transitions. [2021-11-09 08:59:23,089 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 153.38888888888889) internal successors, (2761), 18 states have internal predecessors, (2761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:59:23,095 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 240.0) internal successors, (4560), 19 states have internal predecessors, (4560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:59:23,097 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 240.0) internal successors, (4560), 19 states have internal predecessors, (4560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:59:23,098 INFO L186 Difference]: Start difference. First operand has 379 places, 907 transitions, 16328 flow. Second operand 18 states and 2761 transitions. [2021-11-09 08:59:23,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 1228 transitions, 22707 flow [2021-11-09 08:59:23,858 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 1228 transitions, 22483 flow, removed 19 selfloop flow, removed 5 redundant places. [2021-11-09 08:59:23,885 INFO L242 Difference]: Finished difference. Result has 397 places, 963 transitions, 18994 flow [2021-11-09 08:59:23,886 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=16156, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=907, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=374, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=486, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=18994, PETRI_PLACES=397, PETRI_TRANSITIONS=963} [2021-11-09 08:59:23,886 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, 154 predicate places. [2021-11-09 08:59:23,887 INFO L470 AbstractCegarLoop]: Abstraction has has 397 places, 963 transitions, 18994 flow [2021-11-09 08:59:23,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 140.3846153846154) internal successors, (1825), 13 states have internal predecessors, (1825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:59:23,888 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:59:23,888 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:59:23,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-09 08:59:23,888 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-09 08:59:23,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:59:23,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1580625509, now seen corresponding path program 8 times [2021-11-09 08:59:23,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:59:23,890 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236071900] [2021-11-09 08:59:23,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:59:23,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:59:23,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:59:24,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:59:24,256 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:59:24,257 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236071900] [2021-11-09 08:59:24,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236071900] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:59:24,257 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:59:24,257 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-09 08:59:24,257 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411182264] [2021-11-09 08:59:24,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-09 08:59:24,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:59:24,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-09 08:59:24,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2021-11-09 08:59:24,262 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 240 [2021-11-09 08:59:24,264 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 963 transitions, 18994 flow. Second operand has 13 states, 13 states have (on average 140.3846153846154) internal successors, (1825), 13 states have internal predecessors, (1825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:59:24,264 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:59:24,265 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 240 [2021-11-09 08:59:24,265 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:59:30,443 INFO L129 PetriNetUnfolder]: 4124/13513 cut-off events. [2021-11-09 08:59:30,443 INFO L130 PetriNetUnfolder]: For 145275/145713 co-relation queries the response was YES. [2021-11-09 08:59:30,588 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66957 conditions, 13513 events. 4124/13513 cut-off events. For 145275/145713 co-relation queries the response was YES. Maximal size of possible extension queue 581. Compared 144512 event pairs, 826 based on Foata normal form. 125/13555 useless extension candidates. Maximal degree in co-relation 66790. Up to 5881 conditions per place. [2021-11-09 08:59:30,633 INFO L132 encePairwiseOnDemand]: 209/240 looper letters, 693 selfloop transitions, 394 changer transitions 1/1218 dead transitions. [2021-11-09 08:59:30,633 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 1218 transitions, 25867 flow [2021-11-09 08:59:30,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-09 08:59:30,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-11-09 08:59:30,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2110 transitions. [2021-11-09 08:59:30,636 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6279761904761905 [2021-11-09 08:59:30,636 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2110 transitions. [2021-11-09 08:59:30,637 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2110 transitions. [2021-11-09 08:59:30,637 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:59:30,637 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2110 transitions. [2021-11-09 08:59:30,641 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 150.71428571428572) internal successors, (2110), 14 states have internal predecessors, (2110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:59:30,645 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 240.0) internal successors, (3600), 15 states have internal predecessors, (3600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:59:30,647 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 240.0) internal successors, (3600), 15 states have internal predecessors, (3600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:59:30,647 INFO L186 Difference]: Start difference. First operand has 397 places, 963 transitions, 18994 flow. Second operand 14 states and 2110 transitions. [2021-11-09 08:59:30,647 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 1218 transitions, 25867 flow [2021-11-09 08:59:31,434 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 1218 transitions, 25701 flow, removed 26 selfloop flow, removed 10 redundant places. [2021-11-09 08:59:31,464 INFO L242 Difference]: Finished difference. Result has 410 places, 1072 transitions, 23774 flow [2021-11-09 08:59:31,465 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=18870, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=963, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=285, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=582, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=23774, PETRI_PLACES=410, PETRI_TRANSITIONS=1072} [2021-11-09 08:59:31,465 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, 167 predicate places. [2021-11-09 08:59:31,466 INFO L470 AbstractCegarLoop]: Abstraction has has 410 places, 1072 transitions, 23774 flow [2021-11-09 08:59:31,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 140.3846153846154) internal successors, (1825), 13 states have internal predecessors, (1825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:59:31,466 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:59:31,467 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:59:31,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-09 08:59:31,467 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-09 08:59:31,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:59:31,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1986336683, now seen corresponding path program 9 times [2021-11-09 08:59:31,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:59:31,468 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131940943] [2021-11-09 08:59:31,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:59:31,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:59:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:59:31,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:59:31,839 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:59:31,839 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131940943] [2021-11-09 08:59:31,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131940943] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:59:31,839 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:59:31,839 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-09 08:59:31,839 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755466875] [2021-11-09 08:59:31,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-09 08:59:31,840 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:59:31,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-09 08:59:31,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-11-09 08:59:31,952 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 240 [2021-11-09 08:59:31,953 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 410 places, 1072 transitions, 23774 flow. Second operand has 13 states, 13 states have (on average 140.3846153846154) internal successors, (1825), 13 states have internal predecessors, (1825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:59:31,954 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:59:31,954 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 240 [2021-11-09 08:59:31,954 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:59:39,861 INFO L129 PetriNetUnfolder]: 4766/15590 cut-off events. [2021-11-09 08:59:39,862 INFO L130 PetriNetUnfolder]: For 192337/192899 co-relation queries the response was YES. [2021-11-09 08:59:40,059 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79449 conditions, 15590 events. 4766/15590 cut-off events. For 192337/192899 co-relation queries the response was YES. Maximal size of possible extension queue 697. Compared 172725 event pairs, 741 based on Foata normal form. 148/15655 useless extension candidates. Maximal degree in co-relation 79271. Up to 4415 conditions per place. [2021-11-09 08:59:40,113 INFO L132 encePairwiseOnDemand]: 207/240 looper letters, 762 selfloop transitions, 526 changer transitions 2/1420 dead transitions. [2021-11-09 08:59:40,113 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 1420 transitions, 32111 flow [2021-11-09 08:59:40,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-09 08:59:40,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-11-09 08:59:40,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2734 transitions. [2021-11-09 08:59:40,117 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6328703703703704 [2021-11-09 08:59:40,117 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2734 transitions. [2021-11-09 08:59:40,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2734 transitions. [2021-11-09 08:59:40,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:59:40,119 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2734 transitions. [2021-11-09 08:59:40,123 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 151.88888888888889) internal successors, (2734), 18 states have internal predecessors, (2734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:59:40,128 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 240.0) internal successors, (4560), 19 states have internal predecessors, (4560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:59:40,129 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 240.0) internal successors, (4560), 19 states have internal predecessors, (4560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:59:40,129 INFO L186 Difference]: Start difference. First operand has 410 places, 1072 transitions, 23774 flow. Second operand 18 states and 2734 transitions. [2021-11-09 08:59:40,129 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 1420 transitions, 32111 flow [2021-11-09 08:59:41,512 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 1420 transitions, 32006 flow, removed 51 selfloop flow, removed 2 redundant places. [2021-11-09 08:59:41,566 INFO L242 Difference]: Finished difference. Result has 439 places, 1182 transitions, 28867 flow [2021-11-09 08:59:41,567 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=23705, PETRI_DIFFERENCE_MINUEND_PLACES=408, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1072, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=420, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=561, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=28867, PETRI_PLACES=439, PETRI_TRANSITIONS=1182} [2021-11-09 08:59:41,568 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, 196 predicate places. [2021-11-09 08:59:41,568 INFO L470 AbstractCegarLoop]: Abstraction has has 439 places, 1182 transitions, 28867 flow [2021-11-09 08:59:41,568 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 140.3846153846154) internal successors, (1825), 13 states have internal predecessors, (1825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:59:41,569 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:59:41,569 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:59:41,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-09 08:59:41,569 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-09 08:59:41,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:59:41,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1084675669, now seen corresponding path program 10 times [2021-11-09 08:59:41,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:59:41,570 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006087174] [2021-11-09 08:59:41,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:59:41,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:59:41,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:59:41,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:59:41,932 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:59:41,932 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006087174] [2021-11-09 08:59:41,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006087174] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:59:41,933 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:59:41,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-09 08:59:41,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77916183] [2021-11-09 08:59:41,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-09 08:59:41,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:59:41,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-09 08:59:41,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-11-09 08:59:41,938 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 240 [2021-11-09 08:59:41,940 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 439 places, 1182 transitions, 28867 flow. Second operand has 13 states, 13 states have (on average 140.3846153846154) internal successors, (1825), 13 states have internal predecessors, (1825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:59:41,940 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:59:41,940 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 240 [2021-11-09 08:59:41,940 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:59:51,149 INFO L129 PetriNetUnfolder]: 4923/16005 cut-off events. [2021-11-09 08:59:51,149 INFO L130 PetriNetUnfolder]: For 227141/227716 co-relation queries the response was YES. [2021-11-09 08:59:51,384 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84848 conditions, 16005 events. 4923/16005 cut-off events. For 227141/227716 co-relation queries the response was YES. Maximal size of possible extension queue 718. Compared 178396 event pairs, 649 based on Foata normal form. 182/16113 useless extension candidates. Maximal degree in co-relation 84654. Up to 4507 conditions per place. [2021-11-09 08:59:51,444 INFO L132 encePairwiseOnDemand]: 205/240 looper letters, 743 selfloop transitions, 597 changer transitions 4/1474 dead transitions. [2021-11-09 08:59:51,444 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 455 places, 1474 transitions, 35445 flow [2021-11-09 08:59:51,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-09 08:59:51,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-11-09 08:59:51,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2647 transitions. [2021-11-09 08:59:51,448 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6487745098039216 [2021-11-09 08:59:51,448 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 2647 transitions. [2021-11-09 08:59:51,448 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 2647 transitions. [2021-11-09 08:59:51,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:59:51,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 2647 transitions. [2021-11-09 08:59:51,452 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 155.7058823529412) internal successors, (2647), 17 states have internal predecessors, (2647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:59:51,457 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 240.0) internal successors, (4320), 18 states have internal predecessors, (4320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:59:51,457 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 240.0) internal successors, (4320), 18 states have internal predecessors, (4320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:59:51,457 INFO L186 Difference]: Start difference. First operand has 439 places, 1182 transitions, 28867 flow. Second operand 17 states and 2647 transitions. [2021-11-09 08:59:51,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 455 places, 1474 transitions, 35445 flow [2021-11-09 08:59:53,130 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 1474 transitions, 35262 flow, removed 90 selfloop flow, removed 2 redundant places. [2021-11-09 08:59:53,169 INFO L242 Difference]: Finished difference. Result has 458 places, 1220 transitions, 32420 flow [2021-11-09 08:59:53,171 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=28688, PETRI_DIFFERENCE_MINUEND_PLACES=437, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=559, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=590, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=32420, PETRI_PLACES=458, PETRI_TRANSITIONS=1220} [2021-11-09 08:59:53,171 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, 215 predicate places. [2021-11-09 08:59:53,171 INFO L470 AbstractCegarLoop]: Abstraction has has 458 places, 1220 transitions, 32420 flow [2021-11-09 08:59:53,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 140.3846153846154) internal successors, (1825), 13 states have internal predecessors, (1825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:59:53,172 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:59:53,172 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:59:53,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-09 08:59:53,173 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-09 08:59:53,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:59:53,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1435640063, now seen corresponding path program 11 times [2021-11-09 08:59:53,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:59:53,174 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281842395] [2021-11-09 08:59:53,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:59:53,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:59:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:59:53,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:59:53,510 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:59:53,510 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281842395] [2021-11-09 08:59:53,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281842395] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:59:53,510 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:59:53,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-09 08:59:53,511 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517928330] [2021-11-09 08:59:53,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-09 08:59:53,511 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:59:53,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-09 08:59:53,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-11-09 08:59:53,525 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 240 [2021-11-09 08:59:53,527 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 458 places, 1220 transitions, 32420 flow. Second operand has 13 states, 13 states have (on average 140.3846153846154) internal successors, (1825), 13 states have internal predecessors, (1825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:59:53,527 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:59:53,528 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 240 [2021-11-09 08:59:53,528 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 09:00:03,872 INFO L129 PetriNetUnfolder]: 5270/17207 cut-off events. [2021-11-09 09:00:03,872 INFO L130 PetriNetUnfolder]: For 283429/284077 co-relation queries the response was YES. [2021-11-09 09:00:04,135 INFO L84 FinitePrefix]: Finished finitePrefix Result has 94049 conditions, 17207 events. 5270/17207 cut-off events. For 283429/284077 co-relation queries the response was YES. Maximal size of possible extension queue 786. Compared 195632 event pairs, 728 based on Foata normal form. 186/17316 useless extension candidates. Maximal degree in co-relation 93848. Up to 5110 conditions per place. [2021-11-09 09:00:04,195 INFO L132 encePairwiseOnDemand]: 206/240 looper letters, 818 selfloop transitions, 602 changer transitions 3/1553 dead transitions. [2021-11-09 09:00:04,195 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 1553 transitions, 40590 flow [2021-11-09 09:00:04,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-09 09:00:04,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-11-09 09:00:04,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 3042 transitions. [2021-11-09 09:00:04,199 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.63375 [2021-11-09 09:00:04,199 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 3042 transitions. [2021-11-09 09:00:04,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 3042 transitions. [2021-11-09 09:00:04,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:00:04,200 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 3042 transitions. [2021-11-09 09:00:04,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 152.1) internal successors, (3042), 20 states have internal predecessors, (3042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:00:04,208 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 240.0) internal successors, (5040), 21 states have internal predecessors, (5040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:00:04,209 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 240.0) internal successors, (5040), 21 states have internal predecessors, (5040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:00:04,209 INFO L186 Difference]: Start difference. First operand has 458 places, 1220 transitions, 32420 flow. Second operand 20 states and 3042 transitions. [2021-11-09 09:00:04,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 1553 transitions, 40590 flow [2021-11-09 09:00:06,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 467 places, 1553 transitions, 40446 flow, removed 0 selfloop flow, removed 10 redundant places. [2021-11-09 09:00:06,145 INFO L242 Difference]: Finished difference. Result has 474 places, 1289 transitions, 36764 flow [2021-11-09 09:00:06,146 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=32278, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=536, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=628, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=36764, PETRI_PLACES=474, PETRI_TRANSITIONS=1289} [2021-11-09 09:00:06,146 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, 231 predicate places. [2021-11-09 09:00:06,146 INFO L470 AbstractCegarLoop]: Abstraction has has 474 places, 1289 transitions, 36764 flow [2021-11-09 09:00:06,146 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 140.3846153846154) internal successors, (1825), 13 states have internal predecessors, (1825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:00:06,146 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 09:00:06,147 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:00:06,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-09 09:00:06,147 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-09 09:00:06,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:00:06,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1390991769, now seen corresponding path program 12 times [2021-11-09 09:00:06,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:00:06,148 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089788104] [2021-11-09 09:00:06,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:00:06,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:00:06,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:00:06,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:00:06,493 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:00:06,493 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089788104] [2021-11-09 09:00:06,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089788104] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:00:06,493 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:00:06,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-09 09:00:06,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822358560] [2021-11-09 09:00:06,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-09 09:00:06,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:00:06,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-09 09:00:06,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-11-09 09:00:06,498 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 240 [2021-11-09 09:00:06,500 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 474 places, 1289 transitions, 36764 flow. Second operand has 13 states, 13 states have (on average 140.3846153846154) internal successors, (1825), 13 states have internal predecessors, (1825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:00:06,500 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 09:00:06,500 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 240 [2021-11-09 09:00:06,501 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand