./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_11-arraylist_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49931642-881a-4f8c-b053-4b2408acfb26/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49931642-881a-4f8c-b053-4b2408acfb26/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49931642-881a-4f8c-b053-4b2408acfb26/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49931642-881a-4f8c-b053-4b2408acfb26/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_11-arraylist_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49931642-881a-4f8c-b053-4b2408acfb26/bin/uautomizer-DrprNOufMa/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49931642-881a-4f8c-b053-4b2408acfb26/bin/uautomizer-DrprNOufMa --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 c488feb98493d291286969cd9fdbd15fc14c729caece3fe94bd3c70430190936 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 18:05:20,663 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 18:05:20,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 18:05:20,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 18:05:20,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 18:05:20,696 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 18:05:20,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 18:05:20,699 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 18:05:20,701 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 18:05:20,702 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 18:05:20,703 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 18:05:20,704 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 18:05:20,704 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 18:05:20,705 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 18:05:20,706 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 18:05:20,707 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 18:05:20,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 18:05:20,709 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 18:05:20,710 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 18:05:20,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 18:05:20,714 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 18:05:20,715 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 18:05:20,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 18:05:20,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 18:05:20,719 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 18:05:20,720 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 18:05:20,720 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 18:05:20,721 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 18:05:20,721 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 18:05:20,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 18:05:20,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 18:05:20,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 18:05:20,723 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 18:05:20,724 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 18:05:20,725 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 18:05:20,725 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 18:05:20,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 18:05:20,725 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 18:05:20,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 18:05:20,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 18:05:20,727 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 18:05:20,727 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49931642-881a-4f8c-b053-4b2408acfb26/bin/uautomizer-DrprNOufMa/config/svcomp-DataRace-32bit-Automizer_Default.epf [2021-12-06 18:05:20,744 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 18:05:20,744 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 18:05:20,744 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 18:05:20,744 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 18:05:20,745 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 18:05:20,745 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 18:05:20,745 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 18:05:20,745 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 18:05:20,745 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 18:05:20,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 18:05:20,746 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 18:05:20,746 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 18:05:20,746 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 18:05:20,746 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 18:05:20,746 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 18:05:20,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 18:05:20,746 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 18:05:20,746 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 18:05:20,747 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-12-06 18:05:20,747 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 18:05:20,747 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 18:05:20,747 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 18:05:20,747 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 18:05:20,747 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 18:05:20,747 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 18:05:20,747 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 18:05:20,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:05:20,748 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 18:05:20,748 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 18:05:20,748 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 18:05:20,748 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 18:05:20,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 18:05:20,748 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 18:05:20,748 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 18:05:20,748 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 18:05:20,748 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 18:05:20,748 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_49931642-881a-4f8c-b053-4b2408acfb26/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49931642-881a-4f8c-b053-4b2408acfb26/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c488feb98493d291286969cd9fdbd15fc14c729caece3fe94bd3c70430190936 [2021-12-06 18:05:20,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 18:05:20,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 18:05:20,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 18:05:20,943 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 18:05:20,943 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 18:05:20,944 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49931642-881a-4f8c-b053-4b2408acfb26/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/goblint-regression/09-regions_11-arraylist_nr.i [2021-12-06 18:05:20,990 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49931642-881a-4f8c-b053-4b2408acfb26/bin/uautomizer-DrprNOufMa/data/9912f9a80/9b73badf9eac4798a5656cd4da081312/FLAG165919d82 [2021-12-06 18:05:21,472 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 18:05:21,473 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49931642-881a-4f8c-b053-4b2408acfb26/sv-benchmarks/c/goblint-regression/09-regions_11-arraylist_nr.i [2021-12-06 18:05:21,486 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49931642-881a-4f8c-b053-4b2408acfb26/bin/uautomizer-DrprNOufMa/data/9912f9a80/9b73badf9eac4798a5656cd4da081312/FLAG165919d82 [2021-12-06 18:05:21,975 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49931642-881a-4f8c-b053-4b2408acfb26/bin/uautomizer-DrprNOufMa/data/9912f9a80/9b73badf9eac4798a5656cd4da081312 [2021-12-06 18:05:21,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 18:05:21,978 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 18:05:21,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 18:05:21,980 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 18:05:21,982 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 18:05:21,983 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:05:21" (1/1) ... [2021-12-06 18:05:21,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3704d585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:21, skipping insertion in model container [2021-12-06 18:05:21,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:05:21" (1/1) ... [2021-12-06 18:05:21,989 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 18:05:22,020 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 18:05:22,355 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:05:22,369 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 18:05:22,418 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:05:22,478 INFO L208 MainTranslator]: Completed translation [2021-12-06 18:05:22,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:22 WrapperNode [2021-12-06 18:05:22,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 18:05:22,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 18:05:22,479 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 18:05:22,480 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 18:05:22,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:22" (1/1) ... [2021-12-06 18:05:22,503 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:22" (1/1) ... [2021-12-06 18:05:22,532 INFO L137 Inliner]: procedures = 371, calls = 35, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 233 [2021-12-06 18:05:22,533 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 18:05:22,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 18:05:22,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 18:05:22,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 18:05:22,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:22" (1/1) ... [2021-12-06 18:05:22,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:22" (1/1) ... [2021-12-06 18:05:22,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:22" (1/1) ... [2021-12-06 18:05:22,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:22" (1/1) ... [2021-12-06 18:05:22,564 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:22" (1/1) ... [2021-12-06 18:05:22,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:22" (1/1) ... [2021-12-06 18:05:22,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:22" (1/1) ... [2021-12-06 18:05:22,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 18:05:22,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 18:05:22,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 18:05:22,574 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 18:05:22,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:22" (1/1) ... [2021-12-06 18:05:22,581 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:05:22,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49931642-881a-4f8c-b053-4b2408acfb26/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:05:22,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49931642-881a-4f8c-b053-4b2408acfb26/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 18:05:22,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49931642-881a-4f8c-b053-4b2408acfb26/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 18:05:22,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 18:05:22,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 18:05:22,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 18:05:22,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 18:05:22,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 18:05:22,647 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-06 18:05:22,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 18:05:22,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 18:05:22,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 18:05:22,648 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-12-06 18:05:22,648 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-12-06 18:05:22,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 18:05:22,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 18:05:22,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 18:05:22,650 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-06 18:05:22,770 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 18:05:22,771 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 18:05:23,113 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 18:05:23,124 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 18:05:23,124 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 18:05:23,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:05:23 BoogieIcfgContainer [2021-12-06 18:05:23,126 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 18:05:23,128 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 18:05:23,128 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 18:05:23,131 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 18:05:23,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 06:05:21" (1/3) ... [2021-12-06 18:05:23,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44cfc225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:05:23, skipping insertion in model container [2021-12-06 18:05:23,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:05:22" (2/3) ... [2021-12-06 18:05:23,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44cfc225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:05:23, skipping insertion in model container [2021-12-06 18:05:23,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:05:23" (3/3) ... [2021-12-06 18:05:23,134 INFO L111 eAbstractionObserver]: Analyzing ICFG 09-regions_11-arraylist_nr.i [2021-12-06 18:05:23,139 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-06 18:05:23,139 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 18:05:23,140 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2021-12-06 18:05:23,140 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-06 18:05:23,178 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,178 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,178 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,178 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,179 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,179 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,179 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,179 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,179 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,179 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,180 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,180 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,180 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,180 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,180 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,180 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~malloc30#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~malloc30#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,186 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,186 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~malloc30#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,186 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~malloc30#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,186 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,186 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,186 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,186 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,187 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,187 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,187 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,187 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~malloc30#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,187 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~malloc30#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,187 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~malloc30#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,187 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~malloc30#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,188 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~malloc30#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,188 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~malloc30#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,188 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,188 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,188 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~malloc30#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,188 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~malloc30#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,188 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,189 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,189 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~malloc30#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,189 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~malloc30#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,189 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~malloc30#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,189 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~malloc30#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,189 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,189 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,189 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,190 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,190 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,190 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,190 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,190 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,191 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,191 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,191 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,191 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,191 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,191 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,191 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,192 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,192 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,192 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,192 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,192 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,192 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,192 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,193 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,193 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,193 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,193 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,193 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,193 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,193 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,194 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,194 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,194 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,194 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,194 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,194 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,194 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,196 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,196 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,196 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,196 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,196 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,196 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,196 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,198 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,198 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,198 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,198 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,198 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,198 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,198 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#in~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#in~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#in~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#in~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,209 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#in~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,209 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#in~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,209 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#in~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,209 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#in~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,209 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~mem33#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,209 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,209 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~temp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~temp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~mem33#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~mem33#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~temp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~temp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~mem33#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,212 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#in~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,212 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#in~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,212 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,212 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,212 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#in~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,212 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#in~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,212 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,212 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,213 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#in~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,213 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#in~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,213 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,213 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,213 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#in~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,213 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#in~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,213 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,213 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~mem33#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~mem33#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~mem33#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~mem33#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,215 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,215 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,215 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,215 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,215 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,215 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,215 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,216 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,216 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,216 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,216 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,216 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,216 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,216 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,217 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,217 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,217 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,217 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,217 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,217 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,217 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,218 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,218 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,218 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,218 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~mem33#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,218 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~mem33#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,218 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~temp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,218 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~temp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,218 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~mem33#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,219 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~mem33#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,219 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~temp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,219 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~temp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,219 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~mem33#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,219 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~mem33#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,219 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~mem33#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,219 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~mem33#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,220 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,220 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,220 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,220 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,220 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,220 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,220 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,220 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,221 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,221 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,221 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,221 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,221 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,221 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,221 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,222 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,222 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,222 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,222 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,222 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,222 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,222 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,222 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,223 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,223 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,223 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,223 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,223 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,223 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,223 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,223 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,224 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,224 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,224 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,224 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,224 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,224 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,225 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,225 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,225 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,225 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,225 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,225 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,226 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,226 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,226 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,226 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,226 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,226 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~temp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,226 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,227 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~temp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,227 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,227 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~temp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,227 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,227 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~temp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,227 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,227 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,228 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,228 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,228 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,228 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,228 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,228 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,229 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,229 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,229 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,229 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,229 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,229 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,229 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,229 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,229 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,230 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,231 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,232 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,232 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,232 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,232 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,232 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,232 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,232 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,232 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,232 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,232 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,232 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,232 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,232 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,233 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,235 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,235 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~mem33#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,235 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~mem33#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,235 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~malloc30#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,235 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~malloc30#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,235 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,235 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,235 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#in~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,236 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,236 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,236 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,236 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,236 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,236 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,236 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,236 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,236 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,236 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,236 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,236 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#in~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,236 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~temp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,236 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,237 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,237 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,237 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,237 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,237 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,237 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,237 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#in~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,237 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~temp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,237 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,237 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,237 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,237 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,237 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#in~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,238 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,238 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 18:05:23,239 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-12-06 18:05:23,272 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 18:05:23,277 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 [2021-12-06 18:05:23,277 INFO L340 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2021-12-06 18:05:23,287 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 280 places, 280 transitions, 565 flow [2021-12-06 18:05:23,350 INFO L129 PetriNetUnfolder]: 4/279 cut-off events. [2021-12-06 18:05:23,350 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 18:05:23,362 INFO L84 FinitePrefix]: Finished finitePrefix Result has 283 conditions, 279 events. 4/279 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 109 event pairs, 0 based on Foata normal form. 0/257 useless extension candidates. Maximal degree in co-relation 153. Up to 2 conditions per place. [2021-12-06 18:05:23,362 INFO L82 GeneralOperation]: Start removeDead. Operand has 280 places, 280 transitions, 565 flow [2021-12-06 18:05:23,368 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 279 places, 279 transitions, 561 flow [2021-12-06 18:05:23,374 INFO L129 PetriNetUnfolder]: 3/54 cut-off events. [2021-12-06 18:05:23,374 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 18:05:23,375 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:05:23,375 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] [2021-12-06 18:05:23,376 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:05:23,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:05:23,379 INFO L85 PathProgramCache]: Analyzing trace with hash 52702265, now seen corresponding path program 1 times [2021-12-06 18:05:23,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:05:23,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830411048] [2021-12-06 18:05:23,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:05:23,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:05:23,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:05:23,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:05:23,530 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:05:23,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830411048] [2021-12-06 18:05:23,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830411048] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:05:23,531 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:05:23,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 18:05:23,532 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102793356] [2021-12-06 18:05:23,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:05:23,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 18:05:23,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:05:23,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 18:05:23,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 18:05:23,562 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 280 [2021-12-06 18:05:23,566 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 279 transitions, 561 flow. Second operand has 2 states, 2 states have (on average 276.5) internal successors, (553), 2 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:23,566 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:05:23,566 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 280 [2021-12-06 18:05:23,567 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:05:23,617 INFO L129 PetriNetUnfolder]: 1/276 cut-off events. [2021-12-06 18:05:23,617 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-06 18:05:23,617 INFO L84 FinitePrefix]: Finished finitePrefix Result has 282 conditions, 276 events. 1/276 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 118 event pairs, 0 based on Foata normal form. 3/258 useless extension candidates. Maximal degree in co-relation 151. Up to 2 conditions per place. [2021-12-06 18:05:23,619 INFO L132 encePairwiseOnDemand]: 277/280 looper letters, 1 selfloop transitions, 0 changer transitions 1/276 dead transitions. [2021-12-06 18:05:23,619 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 276 transitions, 557 flow [2021-12-06 18:05:23,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 18:05:23,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-06 18:05:23,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 556 transitions. [2021-12-06 18:05:23,631 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9928571428571429 [2021-12-06 18:05:23,632 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 556 transitions. [2021-12-06 18:05:23,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 556 transitions. [2021-12-06 18:05:23,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:05:23,636 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 556 transitions. [2021-12-06 18:05:23,642 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 278.0) internal successors, (556), 2 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:23,650 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 280.0) internal successors, (840), 3 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:23,651 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 280.0) internal successors, (840), 3 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:23,653 INFO L186 Difference]: Start difference. First operand has 279 places, 279 transitions, 561 flow. Second operand 2 states and 556 transitions. [2021-12-06 18:05:23,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 276 transitions, 557 flow [2021-12-06 18:05:23,659 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 276 transitions, 556 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-06 18:05:23,667 INFO L242 Difference]: Finished difference. Result has 279 places, 275 transitions, 552 flow [2021-12-06 18:05:23,669 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=554, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=552, PETRI_PLACES=279, PETRI_TRANSITIONS=275} [2021-12-06 18:05:23,673 INFO L334 CegarLoopForPetriNet]: 279 programPoint places, 0 predicate places. [2021-12-06 18:05:23,673 INFO L470 AbstractCegarLoop]: Abstraction has has 279 places, 275 transitions, 552 flow [2021-12-06 18:05:23,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 276.5) internal successors, (553), 2 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:23,674 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:05:23,674 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] [2021-12-06 18:05:23,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 18:05:23,675 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:05:23,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:05:23,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1014316282, now seen corresponding path program 1 times [2021-12-06 18:05:23,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:05:23,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9546699] [2021-12-06 18:05:23,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:05:23,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:05:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:05:23,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:05:23,756 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:05:23,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9546699] [2021-12-06 18:05:23,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9546699] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:05:23,756 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:05:23,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:05:23,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581712159] [2021-12-06 18:05:23,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:05:23,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:05:23,758 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:05:23,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:05:23,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:05:23,761 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 269 out of 280 [2021-12-06 18:05:23,763 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 275 transitions, 552 flow. Second operand has 3 states, 3 states have (on average 270.0) internal successors, (810), 3 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:23,763 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:05:23,763 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 269 of 280 [2021-12-06 18:05:23,763 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:05:23,828 INFO L129 PetriNetUnfolder]: 1/279 cut-off events. [2021-12-06 18:05:23,829 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 18:05:23,829 INFO L84 FinitePrefix]: Finished finitePrefix Result has 296 conditions, 279 events. 1/279 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 115 event pairs, 0 based on Foata normal form. 0/259 useless extension candidates. Maximal degree in co-relation 293. Up to 9 conditions per place. [2021-12-06 18:05:23,830 INFO L132 encePairwiseOnDemand]: 277/280 looper letters, 10 selfloop transitions, 2 changer transitions 0/279 dead transitions. [2021-12-06 18:05:23,831 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 279 transitions, 584 flow [2021-12-06 18:05:23,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:05:23,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 18:05:23,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 820 transitions. [2021-12-06 18:05:23,835 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9761904761904762 [2021-12-06 18:05:23,835 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 820 transitions. [2021-12-06 18:05:23,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 820 transitions. [2021-12-06 18:05:23,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:05:23,836 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 820 transitions. [2021-12-06 18:05:23,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 273.3333333333333) internal successors, (820), 3 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:23,842 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 280.0) internal successors, (1120), 4 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:23,843 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 280.0) internal successors, (1120), 4 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:23,843 INFO L186 Difference]: Start difference. First operand has 279 places, 275 transitions, 552 flow. Second operand 3 states and 820 transitions. [2021-12-06 18:05:23,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 279 transitions, 584 flow [2021-12-06 18:05:23,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 279 transitions, 584 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-06 18:05:23,851 INFO L242 Difference]: Finished difference. Result has 281 places, 276 transitions, 564 flow [2021-12-06 18:05:23,851 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=552, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=273, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=564, PETRI_PLACES=281, PETRI_TRANSITIONS=276} [2021-12-06 18:05:23,852 INFO L334 CegarLoopForPetriNet]: 279 programPoint places, 2 predicate places. [2021-12-06 18:05:23,853 INFO L470 AbstractCegarLoop]: Abstraction has has 281 places, 276 transitions, 564 flow [2021-12-06 18:05:23,853 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 270.0) internal successors, (810), 3 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:23,853 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:05:23,853 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] [2021-12-06 18:05:23,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 18:05:23,854 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:05:23,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:05:23,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1446396541, now seen corresponding path program 1 times [2021-12-06 18:05:23,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:05:23,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644771026] [2021-12-06 18:05:23,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:05:23,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:05:23,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:05:23,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:05:23,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:05:23,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644771026] [2021-12-06 18:05:23,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644771026] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 18:05:23,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461946068] [2021-12-06 18:05:23,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:05:23,941 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 18:05:23,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49931642-881a-4f8c-b053-4b2408acfb26/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:05:23,942 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49931642-881a-4f8c-b053-4b2408acfb26/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 18:05:23,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49931642-881a-4f8c-b053-4b2408acfb26/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 18:05:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:05:24,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 18:05:24,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:05:24,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:05:24,123 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 18:05:24,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:05:24,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461946068] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 18:05:24,209 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 18:05:24,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-12-06 18:05:24,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878036675] [2021-12-06 18:05:24,209 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 18:05:24,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-06 18:05:24,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:05:24,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-06 18:05:24,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-12-06 18:05:24,214 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 280 [2021-12-06 18:05:24,217 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 276 transitions, 564 flow. Second operand has 10 states, 10 states have (on average 270.0) internal successors, (2700), 10 states have internal predecessors, (2700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:24,217 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:05:24,217 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 280 [2021-12-06 18:05:24,217 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:05:24,297 INFO L129 PetriNetUnfolder]: 1/286 cut-off events. [2021-12-06 18:05:24,297 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-06 18:05:24,297 INFO L84 FinitePrefix]: Finished finitePrefix Result has 319 conditions, 286 events. 1/286 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 110 event pairs, 0 based on Foata normal form. 2/269 useless extension candidates. Maximal degree in co-relation 314. Up to 6 conditions per place. [2021-12-06 18:05:24,298 INFO L132 encePairwiseOnDemand]: 274/280 looper letters, 11 selfloop transitions, 9 changer transitions 0/286 dead transitions. [2021-12-06 18:05:24,298 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 286 transitions, 626 flow [2021-12-06 18:05:24,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 18:05:24,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-06 18:05:24,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2434 transitions. [2021-12-06 18:05:24,304 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9658730158730159 [2021-12-06 18:05:24,304 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2434 transitions. [2021-12-06 18:05:24,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2434 transitions. [2021-12-06 18:05:24,306 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:05:24,306 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2434 transitions. [2021-12-06 18:05:24,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 270.44444444444446) internal successors, (2434), 9 states have internal predecessors, (2434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:24,317 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 280.0) internal successors, (2800), 10 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:24,319 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 280.0) internal successors, (2800), 10 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:24,319 INFO L186 Difference]: Start difference. First operand has 281 places, 276 transitions, 564 flow. Second operand 9 states and 2434 transitions. [2021-12-06 18:05:24,319 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 286 transitions, 626 flow [2021-12-06 18:05:24,321 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 286 transitions, 624 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-06 18:05:24,332 INFO L242 Difference]: Finished difference. Result has 291 places, 282 transitions, 612 flow [2021-12-06 18:05:24,333 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=562, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=612, PETRI_PLACES=291, PETRI_TRANSITIONS=282} [2021-12-06 18:05:24,333 INFO L334 CegarLoopForPetriNet]: 279 programPoint places, 12 predicate places. [2021-12-06 18:05:24,334 INFO L470 AbstractCegarLoop]: Abstraction has has 291 places, 282 transitions, 612 flow [2021-12-06 18:05:24,336 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 270.0) internal successors, (2700), 10 states have internal predecessors, (2700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:24,336 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:05:24,336 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:05:24,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49931642-881a-4f8c-b053-4b2408acfb26/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 18:05:24,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49931642-881a-4f8c-b053-4b2408acfb26/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 18:05:24,539 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:05:24,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:05:24,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1557834781, now seen corresponding path program 2 times [2021-12-06 18:05:24,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:05:24,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122591064] [2021-12-06 18:05:24,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:05:24,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:05:24,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:05:24,758 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-12-06 18:05:24,758 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:05:24,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122591064] [2021-12-06 18:05:24,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122591064] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:05:24,759 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:05:24,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:05:24,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14961170] [2021-12-06 18:05:24,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:05:24,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 18:05:24,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:05:24,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:05:24,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:05:24,761 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 280 [2021-12-06 18:05:24,763 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 282 transitions, 612 flow. Second operand has 6 states, 6 states have (on average 155.5) internal successors, (933), 6 states have internal predecessors, (933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:24,763 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:05:24,763 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 280 [2021-12-06 18:05:24,763 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:05:25,344 INFO L129 PetriNetUnfolder]: 649/2114 cut-off events. [2021-12-06 18:05:25,344 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-12-06 18:05:25,349 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3565 conditions, 2114 events. 649/2114 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 11480 event pairs, 648 based on Foata normal form. 0/1863 useless extension candidates. Maximal degree in co-relation 3558. Up to 1408 conditions per place. [2021-12-06 18:05:25,358 INFO L132 encePairwiseOnDemand]: 268/280 looper letters, 111 selfloop transitions, 10 changer transitions 0/280 dead transitions. [2021-12-06 18:05:25,358 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 280 transitions, 850 flow [2021-12-06 18:05:25,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 18:05:25,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 18:05:25,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1047 transitions. [2021-12-06 18:05:25,361 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6232142857142857 [2021-12-06 18:05:25,361 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1047 transitions. [2021-12-06 18:05:25,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1047 transitions. [2021-12-06 18:05:25,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:05:25,362 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1047 transitions. [2021-12-06 18:05:25,364 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 174.5) internal successors, (1047), 6 states have internal predecessors, (1047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:25,368 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 280.0) internal successors, (1960), 7 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:25,369 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 280.0) internal successors, (1960), 7 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:25,369 INFO L186 Difference]: Start difference. First operand has 291 places, 282 transitions, 612 flow. Second operand 6 states and 1047 transitions. [2021-12-06 18:05:25,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 280 transitions, 850 flow [2021-12-06 18:05:25,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 280 transitions, 844 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-12-06 18:05:25,376 INFO L242 Difference]: Finished difference. Result has 293 places, 280 transitions, 622 flow [2021-12-06 18:05:25,376 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=602, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=622, PETRI_PLACES=293, PETRI_TRANSITIONS=280} [2021-12-06 18:05:25,377 INFO L334 CegarLoopForPetriNet]: 279 programPoint places, 14 predicate places. [2021-12-06 18:05:25,377 INFO L470 AbstractCegarLoop]: Abstraction has has 293 places, 280 transitions, 622 flow [2021-12-06 18:05:25,377 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 155.5) internal successors, (933), 6 states have internal predecessors, (933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:25,377 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:05:25,378 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:05:25,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 18:05:25,378 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:05:25,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:05:25,378 INFO L85 PathProgramCache]: Analyzing trace with hash -47754392, now seen corresponding path program 1 times [2021-12-06 18:05:25,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:05:25,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485104331] [2021-12-06 18:05:25,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:05:25,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:05:25,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:05:25,470 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:05:25,470 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:05:25,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485104331] [2021-12-06 18:05:25,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485104331] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 18:05:25,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722846861] [2021-12-06 18:05:25,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:05:25,471 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 18:05:25,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49931642-881a-4f8c-b053-4b2408acfb26/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:05:25,472 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49931642-881a-4f8c-b053-4b2408acfb26/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 18:05:25,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49931642-881a-4f8c-b053-4b2408acfb26/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 18:05:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:05:25,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 18:05:25,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:05:25,622 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:05:25,623 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 18:05:25,745 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:05:25,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [722846861] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 18:05:25,745 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 18:05:25,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2021-12-06 18:05:25,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425450694] [2021-12-06 18:05:25,746 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 18:05:25,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 18:05:25,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:05:25,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 18:05:25,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2021-12-06 18:05:25,752 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 280 [2021-12-06 18:05:25,758 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 280 transitions, 622 flow. Second operand has 18 states, 18 states have (on average 270.22222222222223) internal successors, (4864), 18 states have internal predecessors, (4864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:25,758 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:05:25,758 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 280 [2021-12-06 18:05:25,758 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:05:25,902 INFO L129 PetriNetUnfolder]: 1/304 cut-off events. [2021-12-06 18:05:25,902 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-12-06 18:05:25,902 INFO L84 FinitePrefix]: Finished finitePrefix Result has 410 conditions, 304 events. 1/304 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 107 event pairs, 0 based on Foata normal form. 4/291 useless extension candidates. Maximal degree in co-relation 402. Up to 11 conditions per place. [2021-12-06 18:05:25,903 INFO L132 encePairwiseOnDemand]: 274/280 looper letters, 19 selfloop transitions, 21 changer transitions 0/304 dead transitions. [2021-12-06 18:05:25,903 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 304 transitions, 802 flow [2021-12-06 18:05:25,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-06 18:05:25,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-12-06 18:05:25,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 5672 transitions. [2021-12-06 18:05:25,914 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.964625850340136 [2021-12-06 18:05:25,914 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 5672 transitions. [2021-12-06 18:05:25,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 5672 transitions. [2021-12-06 18:05:25,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:05:25,917 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 5672 transitions. [2021-12-06 18:05:25,928 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 270.0952380952381) internal successors, (5672), 21 states have internal predecessors, (5672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:25,938 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 280.0) internal successors, (6160), 22 states have internal predecessors, (6160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:25,941 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 280.0) internal successors, (6160), 22 states have internal predecessors, (6160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:25,941 INFO L186 Difference]: Start difference. First operand has 293 places, 280 transitions, 622 flow. Second operand 21 states and 5672 transitions. [2021-12-06 18:05:25,941 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 304 transitions, 802 flow [2021-12-06 18:05:25,943 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 304 transitions, 782 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-06 18:05:25,947 INFO L242 Difference]: Finished difference. Result has 313 places, 293 transitions, 732 flow [2021-12-06 18:05:25,947 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=602, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=732, PETRI_PLACES=313, PETRI_TRANSITIONS=293} [2021-12-06 18:05:25,948 INFO L334 CegarLoopForPetriNet]: 279 programPoint places, 34 predicate places. [2021-12-06 18:05:25,948 INFO L470 AbstractCegarLoop]: Abstraction has has 313 places, 293 transitions, 732 flow [2021-12-06 18:05:25,950 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 270.22222222222223) internal successors, (4864), 18 states have internal predecessors, (4864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:25,950 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:05:25,950 INFO L254 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:05:25,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49931642-881a-4f8c-b053-4b2408acfb26/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-06 18:05:26,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49931642-881a-4f8c-b053-4b2408acfb26/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 18:05:26,151 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:05:26,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:05:26,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1805801512, now seen corresponding path program 2 times [2021-12-06 18:05:26,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:05:26,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435486682] [2021-12-06 18:05:26,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:05:26,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:05:26,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:05:26,350 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:05:26,350 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:05:26,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435486682] [2021-12-06 18:05:26,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435486682] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 18:05:26,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [4031885] [2021-12-06 18:05:26,350 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 18:05:26,350 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 18:05:26,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49931642-881a-4f8c-b053-4b2408acfb26/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:05:26,351 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49931642-881a-4f8c-b053-4b2408acfb26/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 18:05:26,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49931642-881a-4f8c-b053-4b2408acfb26/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 18:05:26,415 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-06 18:05:26,416 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 18:05:26,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-06 18:05:26,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:05:26,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-06 18:05:26,533 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-12-06 18:05:26,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-12-06 18:05:26,561 INFO L354 Elim1Store]: treesize reduction 64, result has 22.9 percent of original size [2021-12-06 18:05:26,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 34 [2021-12-06 18:05:26,600 INFO L354 Elim1Store]: treesize reduction 114, result has 19.7 percent of original size [2021-12-06 18:05:26,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 46 [2021-12-06 18:05:26,620 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-12-06 18:05:26,620 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 18:05:26,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [4031885] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:05:26,621 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 18:05:26,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2021-12-06 18:05:26,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444296564] [2021-12-06 18:05:26,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:05:26,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 18:05:26,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:05:26,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:05:26,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2021-12-06 18:05:26,624 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 280 [2021-12-06 18:05:26,625 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 293 transitions, 732 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) [2021-12-06 18:05:26,625 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:05:26,625 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 280 [2021-12-06 18:05:26,626 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:05:27,145 INFO L129 PetriNetUnfolder]: 649/2132 cut-off events. [2021-12-06 18:05:27,146 INFO L130 PetriNetUnfolder]: For 37/37 co-relation queries the response was YES. [2021-12-06 18:05:27,151 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3644 conditions, 2132 events. 649/2132 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 11477 event pairs, 648 based on Foata normal form. 0/1883 useless extension candidates. Maximal degree in co-relation 3632. Up to 1406 conditions per place. [2021-12-06 18:05:27,160 INFO L132 encePairwiseOnDemand]: 268/280 looper letters, 109 selfloop transitions, 10 changer transitions 0/291 dead transitions. [2021-12-06 18:05:27,160 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 291 transitions, 966 flow [2021-12-06 18:05:27,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 18:05:27,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 18:05:27,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1045 transitions. [2021-12-06 18:05:27,164 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6220238095238095 [2021-12-06 18:05:27,164 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1045 transitions. [2021-12-06 18:05:27,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1045 transitions. [2021-12-06 18:05:27,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:05:27,164 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1045 transitions. [2021-12-06 18:05:27,167 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 174.16666666666666) internal successors, (1045), 6 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:27,169 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 280.0) internal successors, (1960), 7 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:27,170 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 280.0) internal successors, (1960), 7 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:27,170 INFO L186 Difference]: Start difference. First operand has 313 places, 293 transitions, 732 flow. Second operand 6 states and 1045 transitions. [2021-12-06 18:05:27,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 291 transitions, 966 flow [2021-12-06 18:05:27,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 291 transitions, 942 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-12-06 18:05:27,178 INFO L242 Difference]: Finished difference. Result has 310 places, 291 transitions, 724 flow [2021-12-06 18:05:27,179 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=704, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=724, PETRI_PLACES=310, PETRI_TRANSITIONS=291} [2021-12-06 18:05:27,179 INFO L334 CegarLoopForPetriNet]: 279 programPoint places, 31 predicate places. [2021-12-06 18:05:27,179 INFO L470 AbstractCegarLoop]: Abstraction has has 310 places, 291 transitions, 724 flow [2021-12-06 18:05:27,180 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) [2021-12-06 18:05:27,180 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:05:27,180 INFO L254 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:05:27,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49931642-881a-4f8c-b053-4b2408acfb26/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-06 18:05:27,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49931642-881a-4f8c-b053-4b2408acfb26/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 18:05:27,381 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:05:27,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:05:27,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1682803570, now seen corresponding path program 1 times [2021-12-06 18:05:27,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:05:27,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583128362] [2021-12-06 18:05:27,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:05:27,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:05:27,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:05:27,602 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:05:27,602 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:05:27,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583128362] [2021-12-06 18:05:27,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583128362] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 18:05:27,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295662825] [2021-12-06 18:05:27,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:05:27,603 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 18:05:27,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49931642-881a-4f8c-b053-4b2408acfb26/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:05:27,604 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49931642-881a-4f8c-b053-4b2408acfb26/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 18:05:27,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49931642-881a-4f8c-b053-4b2408acfb26/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-06 18:05:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:05:27,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 16 conjunts are in the unsatisfiable core [2021-12-06 18:05:27,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:05:27,808 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:05:27,808 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 18:05:27,943 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:05:27,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1295662825] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 18:05:27,944 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 18:05:27,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2021-12-06 18:05:27,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039887003] [2021-12-06 18:05:27,944 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 18:05:27,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-12-06 18:05:27,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:05:27,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-12-06 18:05:27,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2021-12-06 18:05:27,951 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 280 [2021-12-06 18:05:27,958 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 291 transitions, 724 flow. Second operand has 23 states, 23 states have (on average 270.39130434782606) internal successors, (6219), 23 states have internal predecessors, (6219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:27,959 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:05:27,959 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 280 [2021-12-06 18:05:27,959 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:05:28,151 INFO L129 PetriNetUnfolder]: 1/317 cut-off events. [2021-12-06 18:05:28,151 INFO L130 PetriNetUnfolder]: For 123/123 co-relation queries the response was YES. [2021-12-06 18:05:28,151 INFO L84 FinitePrefix]: Finished finitePrefix Result has 501 conditions, 317 events. 1/317 cut-off events. For 123/123 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 103 event pairs, 0 based on Foata normal form. 3/305 useless extension candidates. Maximal degree in co-relation 488. Up to 16 conditions per place. [2021-12-06 18:05:28,152 INFO L132 encePairwiseOnDemand]: 274/280 looper letters, 25 selfloop transitions, 30 changer transitions 0/317 dead transitions. [2021-12-06 18:05:28,152 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 339 places, 317 transitions, 974 flow [2021-12-06 18:05:28,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-12-06 18:05:28,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-12-06 18:05:28,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 8098 transitions. [2021-12-06 18:05:28,167 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.964047619047619 [2021-12-06 18:05:28,167 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 8098 transitions. [2021-12-06 18:05:28,167 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 8098 transitions. [2021-12-06 18:05:28,170 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:05:28,171 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 8098 transitions. [2021-12-06 18:05:28,183 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 269.93333333333334) internal successors, (8098), 30 states have internal predecessors, (8098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:28,201 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 280.0) internal successors, (8680), 31 states have internal predecessors, (8680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:28,202 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 280.0) internal successors, (8680), 31 states have internal predecessors, (8680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:28,202 INFO L186 Difference]: Start difference. First operand has 310 places, 291 transitions, 724 flow. Second operand 30 states and 8098 transitions. [2021-12-06 18:05:28,202 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 339 places, 317 transitions, 974 flow [2021-12-06 18:05:28,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 317 transitions, 954 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-06 18:05:28,209 INFO L242 Difference]: Finished difference. Result has 338 places, 301 transitions, 856 flow [2021-12-06 18:05:28,209 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=704, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=856, PETRI_PLACES=338, PETRI_TRANSITIONS=301} [2021-12-06 18:05:28,210 INFO L334 CegarLoopForPetriNet]: 279 programPoint places, 59 predicate places. [2021-12-06 18:05:28,210 INFO L470 AbstractCegarLoop]: Abstraction has has 338 places, 301 transitions, 856 flow [2021-12-06 18:05:28,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 270.39130434782606) internal successors, (6219), 23 states have internal predecessors, (6219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:28,211 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:05:28,211 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:05:28,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49931642-881a-4f8c-b053-4b2408acfb26/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-06 18:05:28,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49931642-881a-4f8c-b053-4b2408acfb26/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 18:05:28,413 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:05:28,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:05:28,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1005405797, now seen corresponding path program 2 times [2021-12-06 18:05:28,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:05:28,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200625379] [2021-12-06 18:05:28,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:05:28,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:05:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:05:28,545 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 18:05:28,545 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:05:28,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200625379] [2021-12-06 18:05:28,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200625379] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:05:28,546 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:05:28,546 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:05:28,546 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555665754] [2021-12-06 18:05:28,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:05:28,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 18:05:28,547 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:05:28,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:05:28,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:05:28,549 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 280 [2021-12-06 18:05:28,550 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 301 transitions, 856 flow. Second operand has 6 states, 6 states have (on average 158.66666666666666) internal successors, (952), 6 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:28,550 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:05:28,550 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 280 [2021-12-06 18:05:28,551 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:05:29,137 INFO L129 PetriNetUnfolder]: 778/2465 cut-off events. [2021-12-06 18:05:29,137 INFO L130 PetriNetUnfolder]: For 118/118 co-relation queries the response was YES. [2021-12-06 18:05:29,141 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4301 conditions, 2465 events. 778/2465 cut-off events. For 118/118 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 13662 event pairs, 777 based on Foata normal form. 0/2193 useless extension candidates. Maximal degree in co-relation 4285. Up to 1667 conditions per place. [2021-12-06 18:05:29,149 INFO L132 encePairwiseOnDemand]: 274/280 looper letters, 112 selfloop transitions, 5 changer transitions 0/300 dead transitions. [2021-12-06 18:05:29,149 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 342 places, 300 transitions, 1088 flow [2021-12-06 18:05:29,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 18:05:29,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 18:05:29,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1048 transitions. [2021-12-06 18:05:29,152 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6238095238095238 [2021-12-06 18:05:29,152 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1048 transitions. [2021-12-06 18:05:29,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1048 transitions. [2021-12-06 18:05:29,153 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:05:29,153 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1048 transitions. [2021-12-06 18:05:29,154 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 174.66666666666666) internal successors, (1048), 6 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:29,156 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 280.0) internal successors, (1960), 7 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:29,157 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 280.0) internal successors, (1960), 7 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:29,157 INFO L186 Difference]: Start difference. First operand has 338 places, 301 transitions, 856 flow. Second operand 6 states and 1048 transitions. [2021-12-06 18:05:29,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 342 places, 300 transitions, 1088 flow [2021-12-06 18:05:29,160 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 324 places, 300 transitions, 1042 flow, removed 5 selfloop flow, removed 18 redundant places. [2021-12-06 18:05:29,163 INFO L242 Difference]: Finished difference. Result has 324 places, 300 transitions, 818 flow [2021-12-06 18:05:29,164 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=808, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=818, PETRI_PLACES=324, PETRI_TRANSITIONS=300} [2021-12-06 18:05:29,164 INFO L334 CegarLoopForPetriNet]: 279 programPoint places, 45 predicate places. [2021-12-06 18:05:29,164 INFO L470 AbstractCegarLoop]: Abstraction has has 324 places, 300 transitions, 818 flow [2021-12-06 18:05:29,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 158.66666666666666) internal successors, (952), 6 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:29,165 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:05:29,165 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:05:29,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 18:05:29,165 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:05:29,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:05:29,165 INFO L85 PathProgramCache]: Analyzing trace with hash -325553121, now seen corresponding path program 1 times [2021-12-06 18:05:29,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:05:29,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365763108] [2021-12-06 18:05:29,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:05:29,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:05:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:05:29,260 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 18:05:29,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:05:29,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365763108] [2021-12-06 18:05:29,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365763108] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:05:29,260 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:05:29,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:05:29,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362662718] [2021-12-06 18:05:29,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:05:29,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 18:05:29,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:05:29,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:05:29,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:05:29,262 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 280 [2021-12-06 18:05:29,263 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 300 transitions, 818 flow. Second operand has 6 states, 6 states have (on average 163.16666666666666) internal successors, (979), 6 states have internal predecessors, (979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:29,263 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:05:29,263 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 280 [2021-12-06 18:05:29,263 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:05:30,307 INFO L129 PetriNetUnfolder]: 1388/4190 cut-off events. [2021-12-06 18:05:30,307 INFO L130 PetriNetUnfolder]: For 126/126 co-relation queries the response was YES. [2021-12-06 18:05:30,313 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7281 conditions, 4190 events. 1388/4190 cut-off events. For 126/126 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 28942 event pairs, 110 based on Foata normal form. 0/3747 useless extension candidates. Maximal degree in co-relation 7264. Up to 1834 conditions per place. [2021-12-06 18:05:30,326 INFO L132 encePairwiseOnDemand]: 252/280 looper letters, 205 selfloop transitions, 74 changer transitions 0/464 dead transitions. [2021-12-06 18:05:30,327 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 328 places, 464 transitions, 1704 flow [2021-12-06 18:05:30,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 18:05:30,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 18:05:30,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1223 transitions. [2021-12-06 18:05:30,330 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7279761904761904 [2021-12-06 18:05:30,330 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1223 transitions. [2021-12-06 18:05:30,330 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1223 transitions. [2021-12-06 18:05:30,330 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:05:30,330 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1223 transitions. [2021-12-06 18:05:30,332 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 203.83333333333334) internal successors, (1223), 6 states have internal predecessors, (1223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:30,334 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 280.0) internal successors, (1960), 7 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:30,334 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 280.0) internal successors, (1960), 7 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:30,334 INFO L186 Difference]: Start difference. First operand has 324 places, 300 transitions, 818 flow. Second operand 6 states and 1223 transitions. [2021-12-06 18:05:30,334 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 328 places, 464 transitions, 1704 flow [2021-12-06 18:05:30,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 464 transitions, 1694 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-06 18:05:30,342 INFO L242 Difference]: Finished difference. Result has 328 places, 367 transitions, 1280 flow [2021-12-06 18:05:30,343 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=806, PETRI_DIFFERENCE_MINUEND_PLACES=318, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=273, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1280, PETRI_PLACES=328, PETRI_TRANSITIONS=367} [2021-12-06 18:05:30,343 INFO L334 CegarLoopForPetriNet]: 279 programPoint places, 49 predicate places. [2021-12-06 18:05:30,343 INFO L470 AbstractCegarLoop]: Abstraction has has 328 places, 367 transitions, 1280 flow [2021-12-06 18:05:30,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 163.16666666666666) internal successors, (979), 6 states have internal predecessors, (979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:30,344 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:05:30,344 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:05:30,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 18:05:30,344 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:05:30,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:05:30,344 INFO L85 PathProgramCache]: Analyzing trace with hash 934174501, now seen corresponding path program 1 times [2021-12-06 18:05:30,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:05:30,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966165498] [2021-12-06 18:05:30,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:05:30,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:05:30,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:05:30,431 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 18:05:30,431 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:05:30,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966165498] [2021-12-06 18:05:30,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966165498] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:05:30,431 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:05:30,431 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:05:30,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297488420] [2021-12-06 18:05:30,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:05:30,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 18:05:30,432 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:05:30,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:05:30,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:05:30,433 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 280 [2021-12-06 18:05:30,434 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 328 places, 367 transitions, 1280 flow. Second operand has 6 states, 6 states have (on average 170.33333333333334) internal successors, (1022), 6 states have internal predecessors, (1022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:30,434 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:05:30,434 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 280 [2021-12-06 18:05:30,434 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:05:31,238 INFO L129 PetriNetUnfolder]: 1207/3993 cut-off events. [2021-12-06 18:05:31,238 INFO L130 PetriNetUnfolder]: For 1352/1456 co-relation queries the response was YES. [2021-12-06 18:05:31,248 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8100 conditions, 3993 events. 1207/3993 cut-off events. For 1352/1456 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 26998 event pairs, 792 based on Foata normal form. 0/3591 useless extension candidates. Maximal degree in co-relation 8079. Up to 2566 conditions per place. [2021-12-06 18:05:31,262 INFO L132 encePairwiseOnDemand]: 274/280 looper letters, 169 selfloop transitions, 5 changer transitions 0/366 dead transitions. [2021-12-06 18:05:31,262 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 366 transitions, 1626 flow [2021-12-06 18:05:31,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 18:05:31,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 18:05:31,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1091 transitions. [2021-12-06 18:05:31,265 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6494047619047619 [2021-12-06 18:05:31,265 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1091 transitions. [2021-12-06 18:05:31,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1091 transitions. [2021-12-06 18:05:31,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:05:31,266 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1091 transitions. [2021-12-06 18:05:31,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 181.83333333333334) internal successors, (1091), 6 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:31,270 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 280.0) internal successors, (1960), 7 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:31,270 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 280.0) internal successors, (1960), 7 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:31,270 INFO L186 Difference]: Start difference. First operand has 328 places, 367 transitions, 1280 flow. Second operand 6 states and 1091 transitions. [2021-12-06 18:05:31,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 366 transitions, 1626 flow [2021-12-06 18:05:31,275 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 332 places, 366 transitions, 1626 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-06 18:05:31,279 INFO L242 Difference]: Finished difference. Result has 332 places, 366 transitions, 1288 flow [2021-12-06 18:05:31,280 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=1278, PETRI_DIFFERENCE_MINUEND_PLACES=327, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=366, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=361, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1288, PETRI_PLACES=332, PETRI_TRANSITIONS=366} [2021-12-06 18:05:31,280 INFO L334 CegarLoopForPetriNet]: 279 programPoint places, 53 predicate places. [2021-12-06 18:05:31,280 INFO L470 AbstractCegarLoop]: Abstraction has has 332 places, 366 transitions, 1288 flow [2021-12-06 18:05:31,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 170.33333333333334) internal successors, (1022), 6 states have internal predecessors, (1022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:31,281 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:05:31,281 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:05:31,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 18:05:31,281 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:05:31,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:05:31,281 INFO L85 PathProgramCache]: Analyzing trace with hash 450903764, now seen corresponding path program 1 times [2021-12-06 18:05:31,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:05:31,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741549654] [2021-12-06 18:05:31,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:05:31,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:05:31,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:05:31,373 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 18:05:31,374 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:05:31,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741549654] [2021-12-06 18:05:31,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741549654] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:05:31,374 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:05:31,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:05:31,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360893061] [2021-12-06 18:05:31,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:05:31,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 18:05:31,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:05:31,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:05:31,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:05:31,377 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 280 [2021-12-06 18:05:31,378 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 366 transitions, 1288 flow. Second operand has 6 states, 6 states have (on average 169.5) internal successors, (1017), 6 states have internal predecessors, (1017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:31,378 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:05:31,378 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 280 [2021-12-06 18:05:31,378 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:05:32,162 INFO L129 PetriNetUnfolder]: 1207/3992 cut-off events. [2021-12-06 18:05:32,162 INFO L130 PetriNetUnfolder]: For 1352/1456 co-relation queries the response was YES. [2021-12-06 18:05:32,171 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8106 conditions, 3992 events. 1207/3992 cut-off events. For 1352/1456 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 26991 event pairs, 792 based on Foata normal form. 0/3591 useless extension candidates. Maximal degree in co-relation 8084. Up to 2568 conditions per place. [2021-12-06 18:05:32,187 INFO L132 encePairwiseOnDemand]: 274/280 looper letters, 170 selfloop transitions, 5 changer transitions 0/365 dead transitions. [2021-12-06 18:05:32,187 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 365 transitions, 1636 flow [2021-12-06 18:05:32,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 18:05:32,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 18:05:32,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1080 transitions. [2021-12-06 18:05:32,190 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6428571428571429 [2021-12-06 18:05:32,190 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1080 transitions. [2021-12-06 18:05:32,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1080 transitions. [2021-12-06 18:05:32,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:05:32,191 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1080 transitions. [2021-12-06 18:05:32,193 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 180.0) internal successors, (1080), 6 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:32,195 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 280.0) internal successors, (1960), 7 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:32,195 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 280.0) internal successors, (1960), 7 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:32,195 INFO L186 Difference]: Start difference. First operand has 332 places, 366 transitions, 1288 flow. Second operand 6 states and 1080 transitions. [2021-12-06 18:05:32,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 365 transitions, 1636 flow [2021-12-06 18:05:32,201 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 331 places, 365 transitions, 1626 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-06 18:05:32,206 INFO L242 Difference]: Finished difference. Result has 331 places, 365 transitions, 1286 flow [2021-12-06 18:05:32,206 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=1276, PETRI_DIFFERENCE_MINUEND_PLACES=326, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=365, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1286, PETRI_PLACES=331, PETRI_TRANSITIONS=365} [2021-12-06 18:05:32,207 INFO L334 CegarLoopForPetriNet]: 279 programPoint places, 52 predicate places. [2021-12-06 18:05:32,207 INFO L470 AbstractCegarLoop]: Abstraction has has 331 places, 365 transitions, 1286 flow [2021-12-06 18:05:32,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 169.5) internal successors, (1017), 6 states have internal predecessors, (1017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:32,207 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:05:32,207 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:05:32,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 18:05:32,207 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:05:32,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:05:32,208 INFO L85 PathProgramCache]: Analyzing trace with hash 518620431, now seen corresponding path program 1 times [2021-12-06 18:05:32,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:05:32,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552113447] [2021-12-06 18:05:32,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:05:32,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:05:32,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:05:32,309 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 18:05:32,309 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:05:32,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552113447] [2021-12-06 18:05:32,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552113447] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:05:32,310 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:05:32,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:05:32,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830917760] [2021-12-06 18:05:32,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:05:32,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 18:05:32,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:05:32,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:05:32,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:05:32,312 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 280 [2021-12-06 18:05:32,313 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 365 transitions, 1286 flow. Second operand has 6 states, 6 states have (on average 170.33333333333334) internal successors, (1022), 6 states have internal predecessors, (1022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:32,313 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:05:32,313 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 280 [2021-12-06 18:05:32,313 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:05:33,057 INFO L129 PetriNetUnfolder]: 1207/3991 cut-off events. [2021-12-06 18:05:33,057 INFO L130 PetriNetUnfolder]: For 1355/1459 co-relation queries the response was YES. [2021-12-06 18:05:33,065 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8104 conditions, 3991 events. 1207/3991 cut-off events. For 1355/1459 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 26953 event pairs, 792 based on Foata normal form. 0/3591 useless extension candidates. Maximal degree in co-relation 8082. Up to 2567 conditions per place. [2021-12-06 18:05:33,074 INFO L132 encePairwiseOnDemand]: 274/280 looper letters, 169 selfloop transitions, 5 changer transitions 0/364 dead transitions. [2021-12-06 18:05:33,074 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 335 places, 364 transitions, 1632 flow [2021-12-06 18:05:33,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 18:05:33,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 18:05:33,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1079 transitions. [2021-12-06 18:05:33,077 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6422619047619048 [2021-12-06 18:05:33,077 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1079 transitions. [2021-12-06 18:05:33,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1079 transitions. [2021-12-06 18:05:33,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:05:33,077 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1079 transitions. [2021-12-06 18:05:33,078 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 179.83333333333334) internal successors, (1079), 6 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:33,080 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 280.0) internal successors, (1960), 7 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:33,080 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 280.0) internal successors, (1960), 7 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:33,080 INFO L186 Difference]: Start difference. First operand has 331 places, 365 transitions, 1286 flow. Second operand 6 states and 1079 transitions. [2021-12-06 18:05:33,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 335 places, 364 transitions, 1632 flow [2021-12-06 18:05:33,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 330 places, 364 transitions, 1622 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-06 18:05:33,089 INFO L242 Difference]: Finished difference. Result has 330 places, 364 transitions, 1284 flow [2021-12-06 18:05:33,090 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=1274, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=359, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1284, PETRI_PLACES=330, PETRI_TRANSITIONS=364} [2021-12-06 18:05:33,090 INFO L334 CegarLoopForPetriNet]: 279 programPoint places, 51 predicate places. [2021-12-06 18:05:33,090 INFO L470 AbstractCegarLoop]: Abstraction has has 330 places, 364 transitions, 1284 flow [2021-12-06 18:05:33,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 170.33333333333334) internal successors, (1022), 6 states have internal predecessors, (1022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:33,091 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:05:33,091 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:05:33,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-06 18:05:33,091 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:05:33,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:05:33,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1341513517, now seen corresponding path program 1 times [2021-12-06 18:05:33,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:05:33,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143320109] [2021-12-06 18:05:33,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:05:33,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:05:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:05:33,193 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 18:05:33,193 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:05:33,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143320109] [2021-12-06 18:05:33,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143320109] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:05:33,194 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:05:33,194 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:05:33,194 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826847454] [2021-12-06 18:05:33,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:05:33,194 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 18:05:33,194 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:05:33,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:05:33,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:05:33,196 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 280 [2021-12-06 18:05:33,196 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 330 places, 364 transitions, 1284 flow. Second operand has 6 states, 6 states have (on average 173.83333333333334) internal successors, (1043), 6 states have internal predecessors, (1043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:33,196 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:05:33,196 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 280 [2021-12-06 18:05:33,196 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:05:34,451 INFO L129 PetriNetUnfolder]: 1524/4617 cut-off events. [2021-12-06 18:05:34,452 INFO L130 PetriNetUnfolder]: For 1496/1616 co-relation queries the response was YES. [2021-12-06 18:05:34,462 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9521 conditions, 4617 events. 1524/4617 cut-off events. For 1496/1616 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 31583 event pairs, 624 based on Foata normal form. 16/4212 useless extension candidates. Maximal degree in co-relation 9499. Up to 2609 conditions per place. [2021-12-06 18:05:34,474 INFO L132 encePairwiseOnDemand]: 257/280 looper letters, 251 selfloop transitions, 130 changer transitions 0/573 dead transitions. [2021-12-06 18:05:34,474 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 335 places, 573 transitions, 2840 flow [2021-12-06 18:05:34,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 18:05:34,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 18:05:34,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1238 transitions. [2021-12-06 18:05:34,476 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.736904761904762 [2021-12-06 18:05:34,476 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1238 transitions. [2021-12-06 18:05:34,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1238 transitions. [2021-12-06 18:05:34,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:05:34,477 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1238 transitions. [2021-12-06 18:05:34,478 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 206.33333333333334) internal successors, (1238), 6 states have internal predecessors, (1238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:34,480 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 280.0) internal successors, (1960), 7 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:34,481 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 280.0) internal successors, (1960), 7 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:34,481 INFO L186 Difference]: Start difference. First operand has 330 places, 364 transitions, 1284 flow. Second operand 6 states and 1238 transitions. [2021-12-06 18:05:34,481 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 335 places, 573 transitions, 2840 flow [2021-12-06 18:05:34,488 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 330 places, 573 transitions, 2830 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-06 18:05:34,495 INFO L242 Difference]: Finished difference. Result has 335 places, 493 transitions, 2502 flow [2021-12-06 18:05:34,495 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=1274, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2502, PETRI_PLACES=335, PETRI_TRANSITIONS=493} [2021-12-06 18:05:34,496 INFO L334 CegarLoopForPetriNet]: 279 programPoint places, 56 predicate places. [2021-12-06 18:05:34,496 INFO L470 AbstractCegarLoop]: Abstraction has has 335 places, 493 transitions, 2502 flow [2021-12-06 18:05:34,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 173.83333333333334) internal successors, (1043), 6 states have internal predecessors, (1043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:34,496 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:05:34,496 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:05:34,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-06 18:05:34,497 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:05:34,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:05:34,497 INFO L85 PathProgramCache]: Analyzing trace with hash -289697930, now seen corresponding path program 1 times [2021-12-06 18:05:34,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:05:34,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188333876] [2021-12-06 18:05:34,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:05:34,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:05:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:05:34,604 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 18:05:34,605 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:05:34,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188333876] [2021-12-06 18:05:34,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188333876] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:05:34,605 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:05:34,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:05:34,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342228604] [2021-12-06 18:05:34,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:05:34,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 18:05:34,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:05:34,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:05:34,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:05:34,607 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 280 [2021-12-06 18:05:34,608 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 335 places, 493 transitions, 2502 flow. Second operand has 6 states, 6 states have (on average 174.83333333333334) internal successors, (1049), 6 states have internal predecessors, (1049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:34,608 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:05:34,608 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 280 [2021-12-06 18:05:34,608 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:05:36,137 INFO L129 PetriNetUnfolder]: 1637/5418 cut-off events. [2021-12-06 18:05:36,138 INFO L130 PetriNetUnfolder]: For 3876/4136 co-relation queries the response was YES. [2021-12-06 18:05:36,152 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12546 conditions, 5418 events. 1637/5418 cut-off events. For 3876/4136 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 40671 event pairs, 508 based on Foata normal form. 8/5054 useless extension candidates. Maximal degree in co-relation 12520. Up to 2869 conditions per place. [2021-12-06 18:05:36,164 INFO L132 encePairwiseOnDemand]: 258/280 looper letters, 375 selfloop transitions, 129 changer transitions 5/701 dead transitions. [2021-12-06 18:05:36,165 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 701 transitions, 4558 flow [2021-12-06 18:05:36,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 18:05:36,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 18:05:36,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1237 transitions. [2021-12-06 18:05:36,166 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7363095238095239 [2021-12-06 18:05:36,166 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1237 transitions. [2021-12-06 18:05:36,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1237 transitions. [2021-12-06 18:05:36,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:05:36,167 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1237 transitions. [2021-12-06 18:05:36,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 206.16666666666666) internal successors, (1237), 6 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:36,170 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 280.0) internal successors, (1960), 7 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:36,170 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 280.0) internal successors, (1960), 7 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:36,170 INFO L186 Difference]: Start difference. First operand has 335 places, 493 transitions, 2502 flow. Second operand 6 states and 1237 transitions. [2021-12-06 18:05:36,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 701 transitions, 4558 flow [2021-12-06 18:05:36,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 701 transitions, 4558 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-06 18:05:36,188 INFO L242 Difference]: Finished difference. Result has 345 places, 620 transitions, 3968 flow [2021-12-06 18:05:36,189 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=2502, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=493, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=457, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3968, PETRI_PLACES=345, PETRI_TRANSITIONS=620} [2021-12-06 18:05:36,189 INFO L334 CegarLoopForPetriNet]: 279 programPoint places, 66 predicate places. [2021-12-06 18:05:36,190 INFO L470 AbstractCegarLoop]: Abstraction has has 345 places, 620 transitions, 3968 flow [2021-12-06 18:05:36,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 174.83333333333334) internal successors, (1049), 6 states have internal predecessors, (1049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:36,190 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:05:36,190 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:05:36,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-06 18:05:36,190 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:05:36,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:05:36,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1844961197, now seen corresponding path program 1 times [2021-12-06 18:05:36,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:05:36,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631010904] [2021-12-06 18:05:36,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:05:36,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:05:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:05:36,280 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 18:05:36,280 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:05:36,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631010904] [2021-12-06 18:05:36,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631010904] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:05:36,281 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:05:36,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:05:36,281 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108197946] [2021-12-06 18:05:36,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:05:36,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 18:05:36,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:05:36,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:05:36,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:05:36,282 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 280 [2021-12-06 18:05:36,283 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 345 places, 620 transitions, 3968 flow. Second operand has 6 states, 6 states have (on average 170.16666666666666) internal successors, (1021), 6 states have internal predecessors, (1021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:36,283 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:05:36,283 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 280 [2021-12-06 18:05:36,283 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:05:37,726 INFO L129 PetriNetUnfolder]: 1747/5576 cut-off events. [2021-12-06 18:05:37,726 INFO L130 PetriNetUnfolder]: For 5717/5745 co-relation queries the response was YES. [2021-12-06 18:05:37,744 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14913 conditions, 5576 events. 1747/5576 cut-off events. For 5717/5745 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 40906 event pairs, 657 based on Foata normal form. 0/5271 useless extension candidates. Maximal degree in co-relation 14882. Up to 3519 conditions per place. [2021-12-06 18:05:37,759 INFO L132 encePairwiseOnDemand]: 261/280 looper letters, 445 selfloop transitions, 84 changer transitions 0/718 dead transitions. [2021-12-06 18:05:37,759 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 349 places, 718 transitions, 5540 flow [2021-12-06 18:05:37,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 18:05:37,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 18:05:37,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1151 transitions. [2021-12-06 18:05:37,760 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6851190476190476 [2021-12-06 18:05:37,760 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1151 transitions. [2021-12-06 18:05:37,760 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1151 transitions. [2021-12-06 18:05:37,761 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:05:37,761 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1151 transitions. [2021-12-06 18:05:37,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 191.83333333333334) internal successors, (1151), 6 states have internal predecessors, (1151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:37,763 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 280.0) internal successors, (1960), 7 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:37,763 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 280.0) internal successors, (1960), 7 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:37,764 INFO L186 Difference]: Start difference. First operand has 345 places, 620 transitions, 3968 flow. Second operand 6 states and 1151 transitions. [2021-12-06 18:05:37,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 349 places, 718 transitions, 5540 flow [2021-12-06 18:05:37,783 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 718 transitions, 5286 flow, removed 127 selfloop flow, removed 0 redundant places. [2021-12-06 18:05:37,794 INFO L242 Difference]: Finished difference. Result has 354 places, 691 transitions, 4504 flow [2021-12-06 18:05:37,794 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=3720, PETRI_DIFFERENCE_MINUEND_PLACES=344, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=620, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=572, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4504, PETRI_PLACES=354, PETRI_TRANSITIONS=691} [2021-12-06 18:05:37,795 INFO L334 CegarLoopForPetriNet]: 279 programPoint places, 75 predicate places. [2021-12-06 18:05:37,795 INFO L470 AbstractCegarLoop]: Abstraction has has 354 places, 691 transitions, 4504 flow [2021-12-06 18:05:37,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 170.16666666666666) internal successors, (1021), 6 states have internal predecessors, (1021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:37,795 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:05:37,795 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:05:37,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-06 18:05:37,795 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:05:37,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:05:37,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1687157928, now seen corresponding path program 1 times [2021-12-06 18:05:37,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:05:37,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414139590] [2021-12-06 18:05:37,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:05:37,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:05:37,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:05:38,206 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 18:05:38,206 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:05:38,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414139590] [2021-12-06 18:05:38,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414139590] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:05:38,207 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:05:38,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-12-06 18:05:38,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264126760] [2021-12-06 18:05:38,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:05:38,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-12-06 18:05:38,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:05:38,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-12-06 18:05:38,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2021-12-06 18:05:38,210 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 280 [2021-12-06 18:05:38,211 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 691 transitions, 4504 flow. Second operand has 20 states, 20 states have (on average 122.8) internal successors, (2456), 20 states have internal predecessors, (2456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:38,211 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:05:38,211 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 280 [2021-12-06 18:05:38,211 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:05:41,468 INFO L129 PetriNetUnfolder]: 2387/6866 cut-off events. [2021-12-06 18:05:41,468 INFO L130 PetriNetUnfolder]: For 8611/8688 co-relation queries the response was YES. [2021-12-06 18:05:41,490 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20555 conditions, 6866 events. 2387/6866 cut-off events. For 8611/8688 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 51841 event pairs, 405 based on Foata normal form. 79/6634 useless extension candidates. Maximal degree in co-relation 20519. Up to 2770 conditions per place. [2021-12-06 18:05:41,507 INFO L132 encePairwiseOnDemand]: 243/280 looper letters, 694 selfloop transitions, 189 changer transitions 6/1036 dead transitions. [2021-12-06 18:05:41,507 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 1036 transitions, 8202 flow [2021-12-06 18:05:41,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-12-06 18:05:41,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-12-06 18:05:41,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 4350 transitions. [2021-12-06 18:05:41,511 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.4707792207792208 [2021-12-06 18:05:41,511 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 4350 transitions. [2021-12-06 18:05:41,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 4350 transitions. [2021-12-06 18:05:41,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:05:41,512 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 4350 transitions. [2021-12-06 18:05:41,516 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 131.8181818181818) internal successors, (4350), 33 states have internal predecessors, (4350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:41,523 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 280.0) internal successors, (9520), 34 states have internal predecessors, (9520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:41,524 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 280.0) internal successors, (9520), 34 states have internal predecessors, (9520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:41,524 INFO L186 Difference]: Start difference. First operand has 354 places, 691 transitions, 4504 flow. Second operand 33 states and 4350 transitions. [2021-12-06 18:05:41,524 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 1036 transitions, 8202 flow [2021-12-06 18:05:41,564 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 1036 transitions, 8130 flow, removed 36 selfloop flow, removed 0 redundant places. [2021-12-06 18:05:41,577 INFO L242 Difference]: Finished difference. Result has 395 places, 747 transitions, 5516 flow [2021-12-06 18:05:41,578 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=4450, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=691, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=136, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=535, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=5516, PETRI_PLACES=395, PETRI_TRANSITIONS=747} [2021-12-06 18:05:41,578 INFO L334 CegarLoopForPetriNet]: 279 programPoint places, 116 predicate places. [2021-12-06 18:05:41,578 INFO L470 AbstractCegarLoop]: Abstraction has has 395 places, 747 transitions, 5516 flow [2021-12-06 18:05:41,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 122.8) internal successors, (2456), 20 states have internal predecessors, (2456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:41,579 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:05:41,579 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:05:41,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-06 18:05:41,579 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:05:41,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:05:41,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1567649258, now seen corresponding path program 2 times [2021-12-06 18:05:41,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:05:41,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350292576] [2021-12-06 18:05:41,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:05:41,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:05:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:05:41,992 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 18:05:41,992 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:05:41,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350292576] [2021-12-06 18:05:41,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350292576] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:05:41,993 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:05:41,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-12-06 18:05:41,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589326149] [2021-12-06 18:05:41,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:05:41,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-12-06 18:05:41,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:05:41,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-12-06 18:05:41,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2021-12-06 18:05:41,996 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 280 [2021-12-06 18:05:41,997 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 747 transitions, 5516 flow. Second operand has 20 states, 20 states have (on average 122.8) internal successors, (2456), 20 states have internal predecessors, (2456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:41,997 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:05:41,997 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 280 [2021-12-06 18:05:41,997 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:05:46,521 INFO L129 PetriNetUnfolder]: 3660/10638 cut-off events. [2021-12-06 18:05:46,521 INFO L130 PetriNetUnfolder]: For 18060/18169 co-relation queries the response was YES. [2021-12-06 18:05:46,581 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33239 conditions, 10638 events. 3660/10638 cut-off events. For 18060/18169 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 92145 event pairs, 980 based on Foata normal form. 109/10284 useless extension candidates. Maximal degree in co-relation 33193. Up to 3327 conditions per place. [2021-12-06 18:05:46,612 INFO L132 encePairwiseOnDemand]: 232/280 looper letters, 862 selfloop transitions, 294 changer transitions 6/1309 dead transitions. [2021-12-06 18:05:46,612 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 423 places, 1309 transitions, 11545 flow [2021-12-06 18:05:46,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-12-06 18:05:46,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-12-06 18:05:46,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 3954 transitions. [2021-12-06 18:05:46,616 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.4869458128078818 [2021-12-06 18:05:46,617 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 3954 transitions. [2021-12-06 18:05:46,617 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 3954 transitions. [2021-12-06 18:05:46,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:05:46,618 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 3954 transitions. [2021-12-06 18:05:46,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 136.3448275862069) internal successors, (3954), 29 states have internal predecessors, (3954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:46,627 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 280.0) internal successors, (8400), 30 states have internal predecessors, (8400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:46,627 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 280.0) internal successors, (8400), 30 states have internal predecessors, (8400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:46,627 INFO L186 Difference]: Start difference. First operand has 395 places, 747 transitions, 5516 flow. Second operand 29 states and 3954 transitions. [2021-12-06 18:05:46,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 423 places, 1309 transitions, 11545 flow [2021-12-06 18:05:46,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 408 places, 1309 transitions, 11458 flow, removed 5 selfloop flow, removed 15 redundant places. [2021-12-06 18:05:46,773 INFO L242 Difference]: Finished difference. Result has 417 places, 864 transitions, 7913 flow [2021-12-06 18:05:46,773 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=5454, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=747, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=177, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=475, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=7913, PETRI_PLACES=417, PETRI_TRANSITIONS=864} [2021-12-06 18:05:46,774 INFO L334 CegarLoopForPetriNet]: 279 programPoint places, 138 predicate places. [2021-12-06 18:05:46,774 INFO L470 AbstractCegarLoop]: Abstraction has has 417 places, 864 transitions, 7913 flow [2021-12-06 18:05:46,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 122.8) internal successors, (2456), 20 states have internal predecessors, (2456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:46,774 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:05:46,774 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:05:46,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-06 18:05:46,775 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:05:46,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:05:46,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1290305412, now seen corresponding path program 3 times [2021-12-06 18:05:46,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:05:46,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037952849] [2021-12-06 18:05:46,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:05:46,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:05:46,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:05:47,332 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 18:05:47,333 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:05:47,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037952849] [2021-12-06 18:05:47,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037952849] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:05:47,333 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:05:47,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-12-06 18:05:47,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278251113] [2021-12-06 18:05:47,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:05:47,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-12-06 18:05:47,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:05:47,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-06 18:05:47,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2021-12-06 18:05:47,336 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 280 [2021-12-06 18:05:47,337 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 864 transitions, 7913 flow. Second operand has 17 states, 17 states have (on average 138.7058823529412) internal successors, (2358), 17 states have internal predecessors, (2358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:47,337 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:05:47,337 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 280 [2021-12-06 18:05:47,337 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:05:53,673 INFO L129 PetriNetUnfolder]: 6026/17410 cut-off events. [2021-12-06 18:05:53,673 INFO L130 PetriNetUnfolder]: For 39494/39628 co-relation queries the response was YES. [2021-12-06 18:05:53,776 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56612 conditions, 17410 events. 6026/17410 cut-off events. For 39494/39628 co-relation queries the response was YES. Maximal size of possible extension queue 318. Compared 169504 event pairs, 1504 based on Foata normal form. 103/16781 useless extension candidates. Maximal degree in co-relation 56557. Up to 5415 conditions per place. [2021-12-06 18:05:53,823 INFO L132 encePairwiseOnDemand]: 245/280 looper letters, 988 selfloop transitions, 379 changer transitions 3/1533 dead transitions. [2021-12-06 18:05:53,824 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 438 places, 1533 transitions, 16298 flow [2021-12-06 18:05:53,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-06 18:05:53,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-12-06 18:05:53,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 3441 transitions. [2021-12-06 18:05:53,827 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5586038961038962 [2021-12-06 18:05:53,827 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 3441 transitions. [2021-12-06 18:05:53,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 3441 transitions. [2021-12-06 18:05:53,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:05:53,828 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 3441 transitions. [2021-12-06 18:05:53,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 156.4090909090909) internal successors, (3441), 22 states have internal predecessors, (3441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:53,902 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 280.0) internal successors, (6440), 23 states have internal predecessors, (6440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:53,903 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 280.0) internal successors, (6440), 23 states have internal predecessors, (6440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:53,903 INFO L186 Difference]: Start difference. First operand has 417 places, 864 transitions, 7913 flow. Second operand 22 states and 3441 transitions. [2021-12-06 18:05:53,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 438 places, 1533 transitions, 16298 flow [2021-12-06 18:05:54,051 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 419 places, 1533 transitions, 16109 flow, removed 0 selfloop flow, removed 19 redundant places. [2021-12-06 18:05:54,069 INFO L242 Difference]: Finished difference. Result has 431 places, 1053 transitions, 11768 flow [2021-12-06 18:05:54,069 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=7768, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=864, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=195, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=528, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=11768, PETRI_PLACES=431, PETRI_TRANSITIONS=1053} [2021-12-06 18:05:54,070 INFO L334 CegarLoopForPetriNet]: 279 programPoint places, 152 predicate places. [2021-12-06 18:05:54,070 INFO L470 AbstractCegarLoop]: Abstraction has has 431 places, 1053 transitions, 11768 flow [2021-12-06 18:05:54,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 138.7058823529412) internal successors, (2358), 17 states have internal predecessors, (2358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:54,070 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:05:54,070 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:05:54,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-06 18:05:54,071 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:05:54,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:05:54,071 INFO L85 PathProgramCache]: Analyzing trace with hash -2041596006, now seen corresponding path program 4 times [2021-12-06 18:05:54,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:05:54,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935895277] [2021-12-06 18:05:54,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:05:54,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:05:54,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:05:54,831 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 18:05:54,831 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:05:54,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935895277] [2021-12-06 18:05:54,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935895277] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:05:54,831 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:05:54,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-12-06 18:05:54,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621600444] [2021-12-06 18:05:54,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:05:54,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-12-06 18:05:54,832 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:05:54,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-12-06 18:05:54,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=378, Unknown=0, NotChecked=0, Total=462 [2021-12-06 18:05:54,835 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 280 [2021-12-06 18:05:54,836 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 431 places, 1053 transitions, 11768 flow. Second operand has 22 states, 22 states have (on average 120.27272727272727) internal successors, (2646), 22 states have internal predecessors, (2646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:05:54,836 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:05:54,836 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 280 [2021-12-06 18:05:54,836 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:06:04,711 INFO L129 PetriNetUnfolder]: 9064/25168 cut-off events. [2021-12-06 18:06:04,711 INFO L130 PetriNetUnfolder]: For 70160/70282 co-relation queries the response was YES. [2021-12-06 18:06:04,901 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84485 conditions, 25168 events. 9064/25168 cut-off events. For 70160/70282 co-relation queries the response was YES. Maximal size of possible extension queue 460. Compared 258775 event pairs, 2830 based on Foata normal form. 142/24297 useless extension candidates. Maximal degree in co-relation 84418. Up to 8849 conditions per place. [2021-12-06 18:06:04,969 INFO L132 encePairwiseOnDemand]: 242/280 looper letters, 1081 selfloop transitions, 473 changer transitions 6/1705 dead transitions. [2021-12-06 18:06:04,970 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 450 places, 1705 transitions, 20107 flow [2021-12-06 18:06:04,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 18:06:04,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 18:06:04,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2915 transitions. [2021-12-06 18:06:04,973 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5205357142857143 [2021-12-06 18:06:04,973 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2915 transitions. [2021-12-06 18:06:04,973 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2915 transitions. [2021-12-06 18:06:04,973 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:06:04,974 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2915 transitions. [2021-12-06 18:06:04,976 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 145.75) internal successors, (2915), 20 states have internal predecessors, (2915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:06:04,980 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 280.0) internal successors, (5880), 21 states have internal predecessors, (5880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:06:04,980 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 280.0) internal successors, (5880), 21 states have internal predecessors, (5880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:06:04,980 INFO L186 Difference]: Start difference. First operand has 431 places, 1053 transitions, 11768 flow. Second operand 20 states and 2915 transitions. [2021-12-06 18:06:04,980 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 450 places, 1705 transitions, 20107 flow [2021-12-06 18:06:05,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 1705 transitions, 19921 flow, removed 66 selfloop flow, removed 4 redundant places. [2021-12-06 18:06:05,340 INFO L242 Difference]: Finished difference. Result has 459 places, 1208 transitions, 16186 flow [2021-12-06 18:06:05,341 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=11606, PETRI_DIFFERENCE_MINUEND_PLACES=427, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1053, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=319, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=603, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=16186, PETRI_PLACES=459, PETRI_TRANSITIONS=1208} [2021-12-06 18:06:05,342 INFO L334 CegarLoopForPetriNet]: 279 programPoint places, 180 predicate places. [2021-12-06 18:06:05,342 INFO L470 AbstractCegarLoop]: Abstraction has has 459 places, 1208 transitions, 16186 flow [2021-12-06 18:06:05,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 120.27272727272727) internal successors, (2646), 22 states have internal predecessors, (2646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:06:05,342 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:06:05,342 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:06:05,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-06 18:06:05,342 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:06:05,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:06:05,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1323830916, now seen corresponding path program 5 times [2021-12-06 18:06:05,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:06:05,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135879255] [2021-12-06 18:06:05,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:06:05,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:06:05,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:06:05,774 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 18:06:05,774 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:06:05,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135879255] [2021-12-06 18:06:05,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135879255] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:06:05,774 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:06:05,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-12-06 18:06:05,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487271894] [2021-12-06 18:06:05,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:06:05,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-12-06 18:06:05,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:06:05,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-12-06 18:06:05,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=306, Unknown=0, NotChecked=0, Total=380 [2021-12-06 18:06:05,778 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 280 [2021-12-06 18:06:05,779 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 459 places, 1208 transitions, 16186 flow. Second operand has 20 states, 20 states have (on average 122.8) internal successors, (2456), 20 states have internal predecessors, (2456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:06:05,779 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:06:05,779 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 280 [2021-12-06 18:06:05,779 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:06:17,862 INFO L129 PetriNetUnfolder]: 10396/29967 cut-off events. [2021-12-06 18:06:17,862 INFO L130 PetriNetUnfolder]: For 104258/104661 co-relation queries the response was YES. [2021-12-06 18:06:18,204 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103571 conditions, 29967 events. 10396/29967 cut-off events. For 104258/104661 co-relation queries the response was YES. Maximal size of possible extension queue 582. Compared 327856 event pairs, 2762 based on Foata normal form. 249/29003 useless extension candidates. Maximal degree in co-relation 103491. Up to 11909 conditions per place. [2021-12-06 18:06:18,302 INFO L132 encePairwiseOnDemand]: 234/280 looper letters, 1174 selfloop transitions, 553 changer transitions 4/1878 dead transitions. [2021-12-06 18:06:18,302 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 490 places, 1878 transitions, 26152 flow [2021-12-06 18:06:18,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-06 18:06:18,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2021-12-06 18:06:18,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 4327 transitions. [2021-12-06 18:06:18,309 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.48292410714285716 [2021-12-06 18:06:18,309 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 4327 transitions. [2021-12-06 18:06:18,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 4327 transitions. [2021-12-06 18:06:18,312 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:06:18,312 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 4327 transitions. [2021-12-06 18:06:18,318 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 135.21875) internal successors, (4327), 32 states have internal predecessors, (4327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:06:18,324 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 280.0) internal successors, (9240), 33 states have internal predecessors, (9240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:06:18,325 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 280.0) internal successors, (9240), 33 states have internal predecessors, (9240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:06:18,325 INFO L186 Difference]: Start difference. First operand has 459 places, 1208 transitions, 16186 flow. Second operand 32 states and 4327 transitions. [2021-12-06 18:06:18,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 490 places, 1878 transitions, 26152 flow [2021-12-06 18:06:19,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 484 places, 1878 transitions, 25925 flow, removed 46 selfloop flow, removed 6 redundant places. [2021-12-06 18:06:19,059 INFO L242 Difference]: Finished difference. Result has 500 places, 1388 transitions, 21464 flow [2021-12-06 18:06:19,060 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=15999, PETRI_DIFFERENCE_MINUEND_PLACES=453, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=376, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=690, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=21464, PETRI_PLACES=500, PETRI_TRANSITIONS=1388} [2021-12-06 18:06:19,061 INFO L334 CegarLoopForPetriNet]: 279 programPoint places, 221 predicate places. [2021-12-06 18:06:19,061 INFO L470 AbstractCegarLoop]: Abstraction has has 500 places, 1388 transitions, 21464 flow [2021-12-06 18:06:19,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 122.8) internal successors, (2456), 20 states have internal predecessors, (2456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:06:19,061 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:06:19,061 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:06:19,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-06 18:06:19,061 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:06:19,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:06:19,062 INFO L85 PathProgramCache]: Analyzing trace with hash 274198870, now seen corresponding path program 6 times [2021-12-06 18:06:19,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:06:19,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360630771] [2021-12-06 18:06:19,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:06:19,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:06:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:06:19,347 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 18:06:19,347 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:06:19,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360630771] [2021-12-06 18:06:19,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360630771] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:06:19,348 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:06:19,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-12-06 18:06:19,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093504110] [2021-12-06 18:06:19,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:06:19,348 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-12-06 18:06:19,348 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:06:19,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-06 18:06:19,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2021-12-06 18:06:19,351 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 280 [2021-12-06 18:06:19,352 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 500 places, 1388 transitions, 21464 flow. Second operand has 17 states, 17 states have (on average 133.05882352941177) internal successors, (2262), 17 states have internal predecessors, (2262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:06:19,352 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:06:19,352 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 280 [2021-12-06 18:06:19,352 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:06:34,684 INFO L129 PetriNetUnfolder]: 12565/36021 cut-off events. [2021-12-06 18:06:34,684 INFO L130 PetriNetUnfolder]: For 155117/155652 co-relation queries the response was YES. [2021-12-06 18:06:35,149 INFO L84 FinitePrefix]: Finished finitePrefix Result has 128424 conditions, 36021 events. 12565/36021 cut-off events. For 155117/155652 co-relation queries the response was YES. Maximal size of possible extension queue 715. Compared 408124 event pairs, 3426 based on Foata normal form. 380/34900 useless extension candidates. Maximal degree in co-relation 128328. Up to 12540 conditions per place. [2021-12-06 18:06:35,251 INFO L132 encePairwiseOnDemand]: 240/280 looper letters, 996 selfloop transitions, 796 changer transitions 5/1954 dead transitions. [2021-12-06 18:06:35,251 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 519 places, 1954 transitions, 30943 flow [2021-12-06 18:06:35,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 18:06:35,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 18:06:35,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 3049 transitions. [2021-12-06 18:06:35,254 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5444642857142857 [2021-12-06 18:06:35,254 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 3049 transitions. [2021-12-06 18:06:35,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 3049 transitions. [2021-12-06 18:06:35,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:06:35,255 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 3049 transitions. [2021-12-06 18:06:35,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 152.45) internal successors, (3049), 20 states have internal predecessors, (3049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:06:35,260 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 280.0) internal successors, (5880), 21 states have internal predecessors, (5880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:06:35,261 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 280.0) internal successors, (5880), 21 states have internal predecessors, (5880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:06:35,261 INFO L186 Difference]: Start difference. First operand has 500 places, 1388 transitions, 21464 flow. Second operand 20 states and 3049 transitions. [2021-12-06 18:06:35,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 519 places, 1954 transitions, 30943 flow [2021-12-06 18:06:36,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 505 places, 1954 transitions, 30520 flow, removed 168 selfloop flow, removed 14 redundant places. [2021-12-06 18:06:36,432 INFO L242 Difference]: Finished difference. Result has 517 places, 1548 transitions, 27899 flow [2021-12-06 18:06:36,434 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=21078, PETRI_DIFFERENCE_MINUEND_PLACES=486, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1388, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=642, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=618, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=27899, PETRI_PLACES=517, PETRI_TRANSITIONS=1548} [2021-12-06 18:06:36,434 INFO L334 CegarLoopForPetriNet]: 279 programPoint places, 238 predicate places. [2021-12-06 18:06:36,434 INFO L470 AbstractCegarLoop]: Abstraction has has 517 places, 1548 transitions, 27899 flow [2021-12-06 18:06:36,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 133.05882352941177) internal successors, (2262), 17 states have internal predecessors, (2262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:06:36,434 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:06:36,435 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:06:36,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-06 18:06:36,435 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:06:36,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:06:36,435 INFO L85 PathProgramCache]: Analyzing trace with hash -874536656, now seen corresponding path program 7 times [2021-12-06 18:06:36,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:06:36,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124453848] [2021-12-06 18:06:36,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:06:36,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:06:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:06:36,730 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 18:06:36,730 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:06:36,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124453848] [2021-12-06 18:06:36,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124453848] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:06:36,730 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:06:36,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-12-06 18:06:36,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534184474] [2021-12-06 18:06:36,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:06:36,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-12-06 18:06:36,731 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:06:36,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-06 18:06:36,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2021-12-06 18:06:36,733 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 280 [2021-12-06 18:06:36,735 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 517 places, 1548 transitions, 27899 flow. Second operand has 17 states, 17 states have (on average 133.05882352941177) internal successors, (2262), 17 states have internal predecessors, (2262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:06:36,735 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:06:36,735 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 280 [2021-12-06 18:06:36,735 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:06:55,917 INFO L129 PetriNetUnfolder]: 13969/40150 cut-off events. [2021-12-06 18:06:55,917 INFO L130 PetriNetUnfolder]: For 222685/223375 co-relation queries the response was YES. [2021-12-06 18:06:56,498 INFO L84 FinitePrefix]: Finished finitePrefix Result has 148743 conditions, 40150 events. 13969/40150 cut-off events. For 222685/223375 co-relation queries the response was YES. Maximal size of possible extension queue 794. Compared 464538 event pairs, 3740 based on Foata normal form. 486/39008 useless extension candidates. Maximal degree in co-relation 148635. Up to 14233 conditions per place. [2021-12-06 18:06:56,611 INFO L132 encePairwiseOnDemand]: 240/280 looper letters, 1296 selfloop transitions, 702 changer transitions 5/2160 dead transitions. [2021-12-06 18:06:56,611 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 539 places, 2160 transitions, 38210 flow [2021-12-06 18:06:56,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-06 18:06:56,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-12-06 18:06:56,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 3494 transitions. [2021-12-06 18:06:56,632 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5425465838509317 [2021-12-06 18:06:56,633 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 3494 transitions. [2021-12-06 18:06:56,633 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 3494 transitions. [2021-12-06 18:06:56,633 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:06:56,633 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 3494 transitions. [2021-12-06 18:06:56,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 151.91304347826087) internal successors, (3494), 23 states have internal predecessors, (3494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:06:56,640 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 280.0) internal successors, (6720), 24 states have internal predecessors, (6720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:06:56,640 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 280.0) internal successors, (6720), 24 states have internal predecessors, (6720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:06:56,640 INFO L186 Difference]: Start difference. First operand has 517 places, 1548 transitions, 27899 flow. Second operand 23 states and 3494 transitions. [2021-12-06 18:06:56,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 539 places, 2160 transitions, 38210 flow [2021-12-06 18:06:58,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 533 places, 2160 transitions, 37940 flow, removed 87 selfloop flow, removed 6 redundant places. [2021-12-06 18:06:58,337 INFO L242 Difference]: Finished difference. Result has 543 places, 1684 transitions, 33447 flow [2021-12-06 18:06:58,338 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=27715, PETRI_DIFFERENCE_MINUEND_PLACES=511, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1548, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=569, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=864, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=33447, PETRI_PLACES=543, PETRI_TRANSITIONS=1684} [2021-12-06 18:06:58,339 INFO L334 CegarLoopForPetriNet]: 279 programPoint places, 264 predicate places. [2021-12-06 18:06:58,339 INFO L470 AbstractCegarLoop]: Abstraction has has 543 places, 1684 transitions, 33447 flow [2021-12-06 18:06:58,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 133.05882352941177) internal successors, (2262), 17 states have internal predecessors, (2262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:06:58,339 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:06:58,339 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:06:58,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-06 18:06:58,339 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:06:58,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:06:58,340 INFO L85 PathProgramCache]: Analyzing trace with hash 257960948, now seen corresponding path program 8 times [2021-12-06 18:06:58,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:06:58,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688992992] [2021-12-06 18:06:58,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:06:58,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:06:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:06:58,629 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 18:06:58,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:06:58,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688992992] [2021-12-06 18:06:58,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688992992] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:06:58,629 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:06:58,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-12-06 18:06:58,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677905314] [2021-12-06 18:06:58,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:06:58,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-06 18:06:58,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:06:58,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-06 18:06:58,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2021-12-06 18:06:58,632 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 280 [2021-12-06 18:06:58,633 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 543 places, 1684 transitions, 33447 flow. Second operand has 16 states, 16 states have (on average 133.375) internal successors, (2134), 16 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:06:58,634 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:06:58,634 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 280 [2021-12-06 18:06:58,634 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:07:20,476 INFO L129 PetriNetUnfolder]: 15250/43666 cut-off events. [2021-12-06 18:07:20,476 INFO L130 PetriNetUnfolder]: For 291242/292027 co-relation queries the response was YES. [2021-12-06 18:07:21,315 INFO L84 FinitePrefix]: Finished finitePrefix Result has 166682 conditions, 43666 events. 15250/43666 cut-off events. For 291242/292027 co-relation queries the response was YES. Maximal size of possible extension queue 873. Compared 512380 event pairs, 4106 based on Foata normal form. 551/42404 useless extension candidates. Maximal degree in co-relation 166564. Up to 14714 conditions per place. [2021-12-06 18:07:21,467 INFO L132 encePairwiseOnDemand]: 241/280 looper letters, 1009 selfloop transitions, 1015 changer transitions 4/2185 dead transitions. [2021-12-06 18:07:21,467 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 562 places, 2185 transitions, 43329 flow [2021-12-06 18:07:21,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 18:07:21,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 18:07:21,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 3009 transitions. [2021-12-06 18:07:21,471 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5373214285714286 [2021-12-06 18:07:21,471 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 3009 transitions. [2021-12-06 18:07:21,471 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 3009 transitions. [2021-12-06 18:07:21,472 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:07:21,472 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 3009 transitions. [2021-12-06 18:07:21,475 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 150.45) internal successors, (3009), 20 states have internal predecessors, (3009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:07:21,478 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 280.0) internal successors, (5880), 21 states have internal predecessors, (5880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:07:21,479 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 280.0) internal successors, (5880), 21 states have internal predecessors, (5880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:07:21,479 INFO L186 Difference]: Start difference. First operand has 543 places, 1684 transitions, 33447 flow. Second operand 20 states and 3009 transitions. [2021-12-06 18:07:21,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 562 places, 2185 transitions, 43329 flow [2021-12-06 18:07:23,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 555 places, 2185 transitions, 43080 flow, removed 64 selfloop flow, removed 7 redundant places. [2021-12-06 18:07:24,032 INFO L242 Difference]: Finished difference. Result has 565 places, 1807 transitions, 40842 flow [2021-12-06 18:07:24,033 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=33215, PETRI_DIFFERENCE_MINUEND_PLACES=536, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1684, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=893, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=688, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=40842, PETRI_PLACES=565, PETRI_TRANSITIONS=1807} [2021-12-06 18:07:24,033 INFO L334 CegarLoopForPetriNet]: 279 programPoint places, 286 predicate places. [2021-12-06 18:07:24,034 INFO L470 AbstractCegarLoop]: Abstraction has has 565 places, 1807 transitions, 40842 flow [2021-12-06 18:07:24,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 133.375) internal successors, (2134), 16 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:07:24,034 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:07:24,034 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:07:24,034 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-06 18:07:24,034 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:07:24,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:24,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1845105868, now seen corresponding path program 9 times [2021-12-06 18:07:24,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:24,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646204156] [2021-12-06 18:07:24,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:24,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:24,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:24,466 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 18:07:24,466 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:24,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646204156] [2021-12-06 18:07:24,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646204156] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:24,467 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:24,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-12-06 18:07:24,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943087459] [2021-12-06 18:07:24,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:24,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-06 18:07:24,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:07:24,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-06 18:07:24,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2021-12-06 18:07:24,469 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 280 [2021-12-06 18:07:24,471 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 565 places, 1807 transitions, 40842 flow. Second operand has 16 states, 16 states have (on average 139.0) internal successors, (2224), 16 states have internal predecessors, (2224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:07:24,471 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:07:24,471 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 280 [2021-12-06 18:07:24,471 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:07:50,697 INFO L129 PetriNetUnfolder]: 16466/47211 cut-off events. [2021-12-06 18:07:50,697 INFO L130 PetriNetUnfolder]: For 386587/387460 co-relation queries the response was YES. [2021-12-06 18:07:51,563 INFO L84 FinitePrefix]: Finished finitePrefix Result has 185634 conditions, 47211 events. 16466/47211 cut-off events. For 386587/387460 co-relation queries the response was YES. Maximal size of possible extension queue 954. Compared 561662 event pairs, 4619 based on Foata normal form. 624/45878 useless extension candidates. Maximal degree in co-relation 185506. Up to 16160 conditions per place. [2021-12-06 18:07:51,707 INFO L132 encePairwiseOnDemand]: 243/280 looper letters, 1153 selfloop transitions, 1037 changer transitions 5/2358 dead transitions. [2021-12-06 18:07:51,707 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 584 places, 2358 transitions, 51465 flow [2021-12-06 18:07:51,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 18:07:51,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 18:07:51,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 3194 transitions. [2021-12-06 18:07:51,710 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5703571428571429 [2021-12-06 18:07:51,710 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 3194 transitions. [2021-12-06 18:07:51,710 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 3194 transitions. [2021-12-06 18:07:51,710 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:07:51,710 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 3194 transitions. [2021-12-06 18:07:51,713 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 159.7) internal successors, (3194), 20 states have internal predecessors, (3194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:07:51,716 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 280.0) internal successors, (5880), 21 states have internal predecessors, (5880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:07:51,716 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 280.0) internal successors, (5880), 21 states have internal predecessors, (5880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:07:51,716 INFO L186 Difference]: Start difference. First operand has 565 places, 1807 transitions, 40842 flow. Second operand 20 states and 3194 transitions. [2021-12-06 18:07:51,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 584 places, 2358 transitions, 51465 flow [2021-12-06 18:07:54,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 578 places, 2358 transitions, 51245 flow, removed 52 selfloop flow, removed 6 redundant places. [2021-12-06 18:07:54,629 INFO L242 Difference]: Finished difference. Result has 585 places, 1930 transitions, 47742 flow [2021-12-06 18:07:54,630 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=40644, PETRI_DIFFERENCE_MINUEND_PLACES=559, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1807, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=915, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=787, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=47742, PETRI_PLACES=585, PETRI_TRANSITIONS=1930} [2021-12-06 18:07:54,631 INFO L334 CegarLoopForPetriNet]: 279 programPoint places, 306 predicate places. [2021-12-06 18:07:54,631 INFO L470 AbstractCegarLoop]: Abstraction has has 585 places, 1930 transitions, 47742 flow [2021-12-06 18:07:54,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 139.0) internal successors, (2224), 16 states have internal predecessors, (2224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:07:54,631 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:07:54,631 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:07:54,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-12-06 18:07:54,631 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:07:54,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:07:54,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1932282036, now seen corresponding path program 10 times [2021-12-06 18:07:54,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:07:54,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114310211] [2021-12-06 18:07:54,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:07:54,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:07:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:07:55,089 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 18:07:55,089 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:07:55,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114310211] [2021-12-06 18:07:55,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114310211] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:07:55,090 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:07:55,090 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-12-06 18:07:55,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706314750] [2021-12-06 18:07:55,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:07:55,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-06 18:07:55,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:07:55,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-06 18:07:55,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2021-12-06 18:07:55,092 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 280 [2021-12-06 18:07:55,094 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 585 places, 1930 transitions, 47742 flow. Second operand has 16 states, 16 states have (on average 139.0) internal successors, (2224), 16 states have internal predecessors, (2224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:07:55,094 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:07:55,094 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 280 [2021-12-06 18:07:55,094 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:08:25,358 INFO L129 PetriNetUnfolder]: 17770/50897 cut-off events. [2021-12-06 18:08:25,358 INFO L130 PetriNetUnfolder]: For 484072/485153 co-relation queries the response was YES. [2021-12-06 18:08:26,433 INFO L84 FinitePrefix]: Finished finitePrefix Result has 205882 conditions, 50897 events. 17770/50897 cut-off events. For 484072/485153 co-relation queries the response was YES. Maximal size of possible extension queue 1029. Compared 613440 event pairs, 4385 based on Foata normal form. 715/49513 useless extension candidates. Maximal degree in co-relation 205747. Up to 16191 conditions per place. [2021-12-06 18:08:26,592 INFO L132 encePairwiseOnDemand]: 244/280 looper letters, 1185 selfloop transitions, 1162 changer transitions 4/2514 dead transitions. [2021-12-06 18:08:26,592 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 605 places, 2514 transitions, 59721 flow [2021-12-06 18:08:26,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-06 18:08:26,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-12-06 18:08:26,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3323 transitions. [2021-12-06 18:08:26,595 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5651360544217687 [2021-12-06 18:08:26,596 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 3323 transitions. [2021-12-06 18:08:26,596 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 3323 transitions. [2021-12-06 18:08:26,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:08:26,596 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 3323 transitions. [2021-12-06 18:08:26,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 158.23809523809524) internal successors, (3323), 21 states have internal predecessors, (3323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:08:26,604 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 280.0) internal successors, (6160), 22 states have internal predecessors, (6160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:08:26,605 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 280.0) internal successors, (6160), 22 states have internal predecessors, (6160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:08:26,605 INFO L186 Difference]: Start difference. First operand has 585 places, 1930 transitions, 47742 flow. Second operand 21 states and 3323 transitions. [2021-12-06 18:08:26,605 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 605 places, 2514 transitions, 59721 flow [2021-12-06 18:08:30,513 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 597 places, 2514 transitions, 58157 flow, removed 124 selfloop flow, removed 8 redundant places. [2021-12-06 18:08:30,563 INFO L242 Difference]: Finished difference. Result has 607 places, 2067 transitions, 54416 flow [2021-12-06 18:08:30,564 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=46290, PETRI_DIFFERENCE_MINUEND_PLACES=577, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1930, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1026, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=787, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=54416, PETRI_PLACES=607, PETRI_TRANSITIONS=2067} [2021-12-06 18:08:30,565 INFO L334 CegarLoopForPetriNet]: 279 programPoint places, 328 predicate places. [2021-12-06 18:08:30,565 INFO L470 AbstractCegarLoop]: Abstraction has has 607 places, 2067 transitions, 54416 flow [2021-12-06 18:08:30,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 139.0) internal successors, (2224), 16 states have internal predecessors, (2224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:08:30,565 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:08:30,565 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:08:30,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-12-06 18:08:30,565 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:08:30,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:08:30,566 INFO L85 PathProgramCache]: Analyzing trace with hash -613995794, now seen corresponding path program 11 times [2021-12-06 18:08:30,566 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:08:30,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37473230] [2021-12-06 18:08:30,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:08:30,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:08:30,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:08:30,804 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 18:08:30,804 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:08:30,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37473230] [2021-12-06 18:08:30,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37473230] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:08:30,804 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:08:30,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-12-06 18:08:30,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475375898] [2021-12-06 18:08:30,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:08:30,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-12-06 18:08:30,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:08:30,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-06 18:08:30,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2021-12-06 18:08:30,807 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 280 [2021-12-06 18:08:30,808 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 607 places, 2067 transitions, 54416 flow. Second operand has 17 states, 17 states have (on average 133.05882352941177) internal successors, (2262), 17 states have internal predecessors, (2262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:08:30,808 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:08:30,808 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 280 [2021-12-06 18:08:30,808 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:09:04,765 INFO L129 PetriNetUnfolder]: 18977/54426 cut-off events. [2021-12-06 18:09:04,765 INFO L130 PetriNetUnfolder]: For 566964/568055 co-relation queries the response was YES. [2021-12-06 18:09:06,090 INFO L84 FinitePrefix]: Finished finitePrefix Result has 224670 conditions, 54426 events. 18977/54426 cut-off events. For 566964/568055 co-relation queries the response was YES. Maximal size of possible extension queue 1106. Compared 663486 event pairs, 5145 based on Foata normal form. 771/52946 useless extension candidates. Maximal degree in co-relation 224525. Up to 18048 conditions per place. [2021-12-06 18:09:06,262 INFO L132 encePairwiseOnDemand]: 241/280 looper letters, 1169 selfloop transitions, 1259 changer transitions 4/2589 dead transitions. [2021-12-06 18:09:06,262 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 628 places, 2589 transitions, 65955 flow [2021-12-06 18:09:06,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-06 18:09:06,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-12-06 18:09:06,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 3296 transitions. [2021-12-06 18:09:06,265 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.535064935064935 [2021-12-06 18:09:06,265 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 3296 transitions. [2021-12-06 18:09:06,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 3296 transitions. [2021-12-06 18:09:06,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:09:06,266 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 3296 transitions. [2021-12-06 18:09:06,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 149.8181818181818) internal successors, (3296), 22 states have internal predecessors, (3296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:06,271 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 280.0) internal successors, (6440), 23 states have internal predecessors, (6440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:06,272 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 280.0) internal successors, (6440), 23 states have internal predecessors, (6440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:06,272 INFO L186 Difference]: Start difference. First operand has 607 places, 2067 transitions, 54416 flow. Second operand 22 states and 3296 transitions. [2021-12-06 18:09:06,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 628 places, 2589 transitions, 65955 flow [2021-12-06 18:09:10,700 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 623 places, 2589 transitions, 65622 flow, removed 99 selfloop flow, removed 5 redundant places. [2021-12-06 18:09:10,763 INFO L242 Difference]: Finished difference. Result has 630 places, 2189 transitions, 62404 flow [2021-12-06 18:09:10,765 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=54100, PETRI_DIFFERENCE_MINUEND_PLACES=602, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2067, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=825, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=62404, PETRI_PLACES=630, PETRI_TRANSITIONS=2189} [2021-12-06 18:09:10,766 INFO L334 CegarLoopForPetriNet]: 279 programPoint places, 351 predicate places. [2021-12-06 18:09:10,766 INFO L470 AbstractCegarLoop]: Abstraction has has 630 places, 2189 transitions, 62404 flow [2021-12-06 18:09:10,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 133.05882352941177) internal successors, (2262), 17 states have internal predecessors, (2262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:10,766 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:09:10,766 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:09:10,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-12-06 18:09:10,766 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:09:10,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:09:10,767 INFO L85 PathProgramCache]: Analyzing trace with hash 224435444, now seen corresponding path program 12 times [2021-12-06 18:09:10,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:09:10,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81472466] [2021-12-06 18:09:10,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:09:10,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:09:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:09:11,038 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 18:09:11,038 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:09:11,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81472466] [2021-12-06 18:09:11,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81472466] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:09:11,038 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:09:11,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-12-06 18:09:11,038 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932055228] [2021-12-06 18:09:11,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:09:11,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-06 18:09:11,039 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:09:11,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-06 18:09:11,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2021-12-06 18:09:11,041 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 280 [2021-12-06 18:09:11,043 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 630 places, 2189 transitions, 62404 flow. Second operand has 16 states, 16 states have (on average 133.375) internal successors, (2134), 16 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:11,043 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:09:11,043 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 280 [2021-12-06 18:09:11,043 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:09:48,654 INFO L129 PetriNetUnfolder]: 20258/58039 cut-off events. [2021-12-06 18:09:48,654 INFO L130 PetriNetUnfolder]: For 692156/693421 co-relation queries the response was YES. [2021-12-06 18:09:50,087 INFO L84 FinitePrefix]: Finished finitePrefix Result has 245512 conditions, 58039 events. 20258/58039 cut-off events. For 692156/693421 co-relation queries the response was YES. Maximal size of possible extension queue 1188. Compared 715391 event pairs, 5154 based on Foata normal form. 874/56492 useless extension candidates. Maximal degree in co-relation 245360. Up to 21880 conditions per place. [2021-12-06 18:09:50,269 INFO L132 encePairwiseOnDemand]: 242/280 looper letters, 1152 selfloop transitions, 1356 changer transitions 3/2668 dead transitions. [2021-12-06 18:09:50,269 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 649 places, 2668 transitions, 74324 flow [2021-12-06 18:09:50,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 18:09:50,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 18:09:50,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2961 transitions. [2021-12-06 18:09:50,272 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.52875 [2021-12-06 18:09:50,272 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2961 transitions. [2021-12-06 18:09:50,272 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2961 transitions. [2021-12-06 18:09:50,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:09:50,272 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2961 transitions. [2021-12-06 18:09:50,274 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 148.05) internal successors, (2961), 20 states have internal predecessors, (2961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:50,277 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 280.0) internal successors, (5880), 21 states have internal predecessors, (5880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:50,277 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 280.0) internal successors, (5880), 21 states have internal predecessors, (5880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:50,277 INFO L186 Difference]: Start difference. First operand has 630 places, 2189 transitions, 62404 flow. Second operand 20 states and 2961 transitions. [2021-12-06 18:09:50,277 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 649 places, 2668 transitions, 74324 flow [2021-12-06 18:09:55,532 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 640 places, 2668 transitions, 73877 flow, removed 135 selfloop flow, removed 9 redundant places. [2021-12-06 18:09:55,595 INFO L242 Difference]: Finished difference. Result has 649 places, 2312 transitions, 71937 flow [2021-12-06 18:09:55,597 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=61967, PETRI_DIFFERENCE_MINUEND_PLACES=621, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1233, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=852, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=71937, PETRI_PLACES=649, PETRI_TRANSITIONS=2312} [2021-12-06 18:09:55,597 INFO L334 CegarLoopForPetriNet]: 279 programPoint places, 370 predicate places. [2021-12-06 18:09:55,597 INFO L470 AbstractCegarLoop]: Abstraction has has 649 places, 2312 transitions, 71937 flow [2021-12-06 18:09:55,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 133.375) internal successors, (2134), 16 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:55,598 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:09:55,598 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:09:55,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-12-06 18:09:55,598 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:09:55,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:09:55,598 INFO L85 PathProgramCache]: Analyzing trace with hash -389801802, now seen corresponding path program 13 times [2021-12-06 18:09:55,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:09:55,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979836531] [2021-12-06 18:09:55,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:09:55,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:09:55,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:09:56,035 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 18:09:56,035 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:09:56,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979836531] [2021-12-06 18:09:56,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979836531] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:09:56,035 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:09:56,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-12-06 18:09:56,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519147865] [2021-12-06 18:09:56,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:09:56,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-12-06 18:09:56,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:09:56,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-06 18:09:56,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2021-12-06 18:09:56,038 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 280 [2021-12-06 18:09:56,039 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 649 places, 2312 transitions, 71937 flow. Second operand has 17 states, 17 states have (on average 138.7058823529412) internal successors, (2358), 17 states have internal predecessors, (2358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:09:56,039 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:09:56,039 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 280 [2021-12-06 18:09:56,039 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:10:39,585 INFO L129 PetriNetUnfolder]: 21564/61778 cut-off events. [2021-12-06 18:10:39,585 INFO L130 PetriNetUnfolder]: For 867008/868446 co-relation queries the response was YES. [2021-12-06 18:10:41,201 INFO L84 FinitePrefix]: Finished finitePrefix Result has 269195 conditions, 61778 events. 21564/61778 cut-off events. For 867008/868446 co-relation queries the response was YES. Maximal size of possible extension queue 1264. Compared 769710 event pairs, 5320 based on Foata normal form. 960/60178 useless extension candidates. Maximal degree in co-relation 269034. Up to 21707 conditions per place. [2021-12-06 18:10:41,421 INFO L132 encePairwiseOnDemand]: 245/280 looper letters, 1299 selfloop transitions, 1400 changer transitions 3/2865 dead transitions. [2021-12-06 18:10:41,421 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 669 places, 2865 transitions, 85383 flow [2021-12-06 18:10:41,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-06 18:10:41,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-12-06 18:10:41,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3275 transitions. [2021-12-06 18:10:41,424 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5569727891156463 [2021-12-06 18:10:41,424 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 3275 transitions. [2021-12-06 18:10:41,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 3275 transitions. [2021-12-06 18:10:41,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:10:41,425 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 3275 transitions. [2021-12-06 18:10:41,427 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 155.95238095238096) internal successors, (3275), 21 states have internal predecessors, (3275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:41,430 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 280.0) internal successors, (6160), 22 states have internal predecessors, (6160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:41,431 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 280.0) internal successors, (6160), 22 states have internal predecessors, (6160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:41,431 INFO L186 Difference]: Start difference. First operand has 649 places, 2312 transitions, 71937 flow. Second operand 21 states and 3275 transitions. [2021-12-06 18:10:41,431 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 669 places, 2865 transitions, 85383 flow [2021-12-06 18:10:47,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 662 places, 2865 transitions, 85063 flow, removed 64 selfloop flow, removed 7 redundant places. [2021-12-06 18:10:47,845 INFO L242 Difference]: Finished difference. Result has 671 places, 2441 transitions, 81178 flow [2021-12-06 18:10:47,847 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=71695, PETRI_DIFFERENCE_MINUEND_PLACES=642, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1272, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=931, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=81178, PETRI_PLACES=671, PETRI_TRANSITIONS=2441} [2021-12-06 18:10:47,847 INFO L334 CegarLoopForPetriNet]: 279 programPoint places, 392 predicate places. [2021-12-06 18:10:47,847 INFO L470 AbstractCegarLoop]: Abstraction has has 671 places, 2441 transitions, 81178 flow [2021-12-06 18:10:47,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 138.7058823529412) internal successors, (2358), 17 states have internal predecessors, (2358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:47,848 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:10:47,848 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:10:47,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-12-06 18:10:47,849 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:10:47,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:10:47,849 INFO L85 PathProgramCache]: Analyzing trace with hash 917167849, now seen corresponding path program 1 times [2021-12-06 18:10:47,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:10:47,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668692724] [2021-12-06 18:10:47,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:10:47,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:10:47,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:10:48,063 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 18:10:48,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:10:48,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668692724] [2021-12-06 18:10:48,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668692724] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:10:48,063 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:10:48,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-12-06 18:10:48,063 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206650946] [2021-12-06 18:10:48,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:10:48,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-06 18:10:48,064 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:10:48,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-06 18:10:48,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2021-12-06 18:10:48,066 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 280 [2021-12-06 18:10:48,067 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 671 places, 2441 transitions, 81178 flow. Second operand has 16 states, 16 states have (on average 140.875) internal successors, (2254), 16 states have internal predecessors, (2254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:10:48,067 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:10:48,067 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 280 [2021-12-06 18:10:48,067 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:11:31,302 INFO L129 PetriNetUnfolder]: 20577/60615 cut-off events. [2021-12-06 18:11:31,303 INFO L130 PetriNetUnfolder]: For 961351/962338 co-relation queries the response was YES. [2021-12-06 18:11:33,057 INFO L84 FinitePrefix]: Finished finitePrefix Result has 269184 conditions, 60615 events. 20577/60615 cut-off events. For 961351/962338 co-relation queries the response was YES. Maximal size of possible extension queue 1278. Compared 760433 event pairs, 7586 based on Foata normal form. 886/58879 useless extension candidates. Maximal degree in co-relation 269014. Up to 36033 conditions per place. [2021-12-06 18:11:33,263 INFO L132 encePairwiseOnDemand]: 254/280 looper letters, 2048 selfloop transitions, 587 changer transitions 1/2800 dead transitions. [2021-12-06 18:11:33,263 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 690 places, 2800 transitions, 95332 flow [2021-12-06 18:11:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 18:11:33,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 18:11:33,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 3047 transitions. [2021-12-06 18:11:33,266 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5441071428571429 [2021-12-06 18:11:33,266 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 3047 transitions. [2021-12-06 18:11:33,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 3047 transitions. [2021-12-06 18:11:33,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:11:33,266 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 3047 transitions. [2021-12-06 18:11:33,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 152.35) internal successors, (3047), 20 states have internal predecessors, (3047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:11:33,271 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 280.0) internal successors, (5880), 21 states have internal predecessors, (5880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:11:33,271 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 280.0) internal successors, (5880), 21 states have internal predecessors, (5880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:11:33,271 INFO L186 Difference]: Start difference. First operand has 671 places, 2441 transitions, 81178 flow. Second operand 20 states and 3047 transitions. [2021-12-06 18:11:33,271 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 690 places, 2800 transitions, 95332 flow [2021-12-06 18:11:39,659 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 684 places, 2800 transitions, 94856 flow, removed 124 selfloop flow, removed 6 redundant places. [2021-12-06 18:11:39,730 INFO L242 Difference]: Finished difference. Result has 688 places, 2567 transitions, 87019 flow [2021-12-06 18:11:39,731 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=80810, PETRI_DIFFERENCE_MINUEND_PLACES=665, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2441, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=462, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1947, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=87019, PETRI_PLACES=688, PETRI_TRANSITIONS=2567} [2021-12-06 18:11:39,732 INFO L334 CegarLoopForPetriNet]: 279 programPoint places, 409 predicate places. [2021-12-06 18:11:39,732 INFO L470 AbstractCegarLoop]: Abstraction has has 688 places, 2567 transitions, 87019 flow [2021-12-06 18:11:39,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 140.875) internal successors, (2254), 16 states have internal predecessors, (2254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:11:39,732 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:11:39,733 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:11:39,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-12-06 18:11:39,733 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:11:39,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:11:39,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1542543890, now seen corresponding path program 14 times [2021-12-06 18:11:39,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:11:39,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853571119] [2021-12-06 18:11:39,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:11:39,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:11:39,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:11:40,025 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 18:11:40,025 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:11:40,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853571119] [2021-12-06 18:11:40,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853571119] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:11:40,025 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:11:40,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-12-06 18:11:40,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766644209] [2021-12-06 18:11:40,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:11:40,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-12-06 18:11:40,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:11:40,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-12-06 18:11:40,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2021-12-06 18:11:40,028 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 280 [2021-12-06 18:11:40,029 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 688 places, 2567 transitions, 87019 flow. Second operand has 20 states, 20 states have (on average 122.8) internal successors, (2456), 20 states have internal predecessors, (2456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:11:40,029 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:11:40,029 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 280 [2021-12-06 18:11:40,029 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:12:31,422 INFO L129 PetriNetUnfolder]: 22771/65277 cut-off events. [2021-12-06 18:12:31,422 INFO L130 PetriNetUnfolder]: For 1104610/1106023 co-relation queries the response was YES. [2021-12-06 18:12:33,428 INFO L84 FinitePrefix]: Finished finitePrefix Result has 303467 conditions, 65277 events. 22771/65277 cut-off events. For 1104610/1106023 co-relation queries the response was YES. Maximal size of possible extension queue 1351. Compared 820947 event pairs, 6107 based on Foata normal form. 1027/63599 useless extension candidates. Maximal degree in co-relation 303293. Up to 23449 conditions per place. [2021-12-06 18:12:33,653 INFO L132 encePairwiseOnDemand]: 235/280 looper letters, 1308 selfloop transitions, 1614 changer transitions 3/3074 dead transitions. [2021-12-06 18:12:33,653 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 716 places, 3074 transitions, 101003 flow [2021-12-06 18:12:33,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-12-06 18:12:33,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-12-06 18:12:33,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 3864 transitions. [2021-12-06 18:12:33,656 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.47586206896551725 [2021-12-06 18:12:33,656 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 3864 transitions. [2021-12-06 18:12:33,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 3864 transitions. [2021-12-06 18:12:33,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:12:33,657 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 3864 transitions. [2021-12-06 18:12:33,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 133.24137931034483) internal successors, (3864), 29 states have internal predecessors, (3864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:12:33,662 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 280.0) internal successors, (8400), 30 states have internal predecessors, (8400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:12:33,663 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 280.0) internal successors, (8400), 30 states have internal predecessors, (8400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:12:33,663 INFO L186 Difference]: Start difference. First operand has 688 places, 2567 transitions, 87019 flow. Second operand 29 states and 3864 transitions. [2021-12-06 18:12:33,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 716 places, 3074 transitions, 101003 flow [2021-12-06 18:12:41,630 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 707 places, 3074 transitions, 100749 flow, removed 29 selfloop flow, removed 9 redundant places. [2021-12-06 18:12:41,707 INFO L242 Difference]: Finished difference. Result has 713 places, 2691 transitions, 97194 flow [2021-12-06 18:12:41,709 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=86793, PETRI_DIFFERENCE_MINUEND_PLACES=679, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2567, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1491, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=975, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=97194, PETRI_PLACES=713, PETRI_TRANSITIONS=2691} [2021-12-06 18:12:41,709 INFO L334 CegarLoopForPetriNet]: 279 programPoint places, 434 predicate places. [2021-12-06 18:12:41,709 INFO L470 AbstractCegarLoop]: Abstraction has has 713 places, 2691 transitions, 97194 flow [2021-12-06 18:12:41,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 122.8) internal successors, (2456), 20 states have internal predecessors, (2456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:12:41,710 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:12:41,710 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:12:41,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-12-06 18:12:41,710 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:12:41,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:12:41,710 INFO L85 PathProgramCache]: Analyzing trace with hash 646110130, now seen corresponding path program 1 times [2021-12-06 18:12:41,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:12:41,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698397202] [2021-12-06 18:12:41,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:12:41,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:12:41,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:12:41,783 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 18:12:41,783 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:12:41,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698397202] [2021-12-06 18:12:41,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698397202] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:12:41,783 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:12:41,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:12:41,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372041986] [2021-12-06 18:12:41,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:12:41,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 18:12:41,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:12:41,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:12:41,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:12:41,785 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 280 [2021-12-06 18:12:41,786 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 713 places, 2691 transitions, 97194 flow. Second operand has 6 states, 6 states have (on average 171.16666666666666) internal successors, (1027), 6 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:12:41,786 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:12:41,786 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 280 [2021-12-06 18:12:41,786 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:13:30,979 INFO L129 PetriNetUnfolder]: 20091/60081 cut-off events. [2021-12-06 18:13:30,979 INFO L130 PetriNetUnfolder]: For 940963/941702 co-relation queries the response was YES. [2021-12-06 18:13:32,889 INFO L84 FinitePrefix]: Finished finitePrefix Result has 276138 conditions, 60081 events. 20091/60081 cut-off events. For 940963/941702 co-relation queries the response was YES. Maximal size of possible extension queue 1399. Compared 761517 event pairs, 7015 based on Foata normal form. 471/58392 useless extension candidates. Maximal degree in co-relation 275958. Up to 38288 conditions per place. [2021-12-06 18:13:33,097 INFO L132 encePairwiseOnDemand]: 261/280 looper letters, 2201 selfloop transitions, 327 changer transitions 0/2940 dead transitions. [2021-12-06 18:13:33,097 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 718 places, 2940 transitions, 108672 flow [2021-12-06 18:13:33,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 18:13:33,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 18:13:33,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1147 transitions. [2021-12-06 18:13:33,099 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6827380952380953 [2021-12-06 18:13:33,099 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1147 transitions. [2021-12-06 18:13:33,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1147 transitions. [2021-12-06 18:13:33,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:13:33,099 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1147 transitions. [2021-12-06 18:13:33,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 191.16666666666666) internal successors, (1147), 6 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:13:33,101 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 280.0) internal successors, (1960), 7 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:13:33,101 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 280.0) internal successors, (1960), 7 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:13:33,101 INFO L186 Difference]: Start difference. First operand has 713 places, 2691 transitions, 97194 flow. Second operand 6 states and 1147 transitions. [2021-12-06 18:13:33,101 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 718 places, 2940 transitions, 108672 flow [2021-12-06 18:13:39,330 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 701 places, 2940 transitions, 108129 flow, removed 125 selfloop flow, removed 17 redundant places. [2021-12-06 18:13:39,409 INFO L242 Difference]: Finished difference. Result has 706 places, 2865 transitions, 101542 flow [2021-12-06 18:13:39,411 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=96723, PETRI_DIFFERENCE_MINUEND_PLACES=696, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2691, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=181, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=101542, PETRI_PLACES=706, PETRI_TRANSITIONS=2865} [2021-12-06 18:13:39,412 INFO L334 CegarLoopForPetriNet]: 279 programPoint places, 427 predicate places. [2021-12-06 18:13:39,412 INFO L470 AbstractCegarLoop]: Abstraction has has 706 places, 2865 transitions, 101542 flow [2021-12-06 18:13:39,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 171.16666666666666) internal successors, (1027), 6 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:13:39,412 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:13:39,412 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:13:39,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-12-06 18:13:39,412 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:13:39,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:13:39,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1903718109, now seen corresponding path program 1 times [2021-12-06 18:13:39,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:13:39,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452458464] [2021-12-06 18:13:39,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:13:39,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:13:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:13:40,045 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 18:13:40,045 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:13:40,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452458464] [2021-12-06 18:13:40,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452458464] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:13:40,046 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:13:40,046 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-12-06 18:13:40,046 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112276374] [2021-12-06 18:13:40,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:13:40,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-12-06 18:13:40,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:13:40,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-12-06 18:13:40,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=712, Unknown=0, NotChecked=0, Total=812 [2021-12-06 18:13:40,049 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 280 [2021-12-06 18:13:40,052 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 706 places, 2865 transitions, 101542 flow. Second operand has 29 states, 29 states have (on average 112.65517241379311) internal successors, (3267), 29 states have internal predecessors, (3267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:13:40,052 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:13:40,052 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 280 [2021-12-06 18:13:40,052 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:14:55,726 INFO L129 PetriNetUnfolder]: 30206/80340 cut-off events. [2021-12-06 18:14:55,726 INFO L130 PetriNetUnfolder]: For 1525696/1525898 co-relation queries the response was YES. [2021-12-06 18:14:58,545 INFO L84 FinitePrefix]: Finished finitePrefix Result has 406882 conditions, 80340 events. 30206/80340 cut-off events. For 1525696/1525898 co-relation queries the response was YES. Maximal size of possible extension queue 1643. Compared 995165 event pairs, 6151 based on Foata normal form. 145/78367 useless extension candidates. Maximal degree in co-relation 406698. Up to 27850 conditions per place. [2021-12-06 18:14:58,847 INFO L132 encePairwiseOnDemand]: 228/280 looper letters, 2974 selfloop transitions, 940 changer transitions 7/4061 dead transitions. [2021-12-06 18:14:58,847 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 742 places, 4061 transitions, 140739 flow [2021-12-06 18:14:58,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-12-06 18:14:58,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-12-06 18:14:58,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 4644 transitions. [2021-12-06 18:14:58,851 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.44826254826254824 [2021-12-06 18:14:58,851 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 4644 transitions. [2021-12-06 18:14:58,851 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 4644 transitions. [2021-12-06 18:14:58,852 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:14:58,852 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 4644 transitions. [2021-12-06 18:14:58,856 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 125.51351351351352) internal successors, (4644), 37 states have internal predecessors, (4644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:14:58,860 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 280.0) internal successors, (10640), 38 states have internal predecessors, (10640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:14:58,861 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 280.0) internal successors, (10640), 38 states have internal predecessors, (10640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:14:58,861 INFO L186 Difference]: Start difference. First operand has 706 places, 2865 transitions, 101542 flow. Second operand 37 states and 4644 transitions. [2021-12-06 18:14:58,861 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 742 places, 4061 transitions, 140739 flow [2021-12-06 18:15:10,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 742 places, 4061 transitions, 140171 flow, removed 284 selfloop flow, removed 0 redundant places. [2021-12-06 18:15:10,414 INFO L242 Difference]: Finished difference. Result has 754 places, 3085 transitions, 110832 flow [2021-12-06 18:15:10,416 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=101118, PETRI_DIFFERENCE_MINUEND_PLACES=706, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2865, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=764, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1982, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=110832, PETRI_PLACES=754, PETRI_TRANSITIONS=3085} [2021-12-06 18:15:10,416 INFO L334 CegarLoopForPetriNet]: 279 programPoint places, 475 predicate places. [2021-12-06 18:15:10,416 INFO L470 AbstractCegarLoop]: Abstraction has has 754 places, 3085 transitions, 110832 flow [2021-12-06 18:15:10,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 112.65517241379311) internal successors, (3267), 29 states have internal predecessors, (3267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:15:10,417 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:15:10,417 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:15:10,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-12-06 18:15:10,417 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:15:10,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:15:10,417 INFO L85 PathProgramCache]: Analyzing trace with hash 499394093, now seen corresponding path program 2 times [2021-12-06 18:15:10,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:15:10,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276475449] [2021-12-06 18:15:10,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:15:10,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:15:10,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:15:11,036 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 18:15:11,036 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:15:11,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276475449] [2021-12-06 18:15:11,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276475449] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:15:11,037 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:15:11,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-12-06 18:15:11,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275349991] [2021-12-06 18:15:11,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:15:11,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-12-06 18:15:11,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:15:11,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-12-06 18:15:11,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=717, Unknown=0, NotChecked=0, Total=812 [2021-12-06 18:15:11,040 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 280 [2021-12-06 18:15:11,042 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 754 places, 3085 transitions, 110832 flow. Second operand has 29 states, 29 states have (on average 112.65517241379311) internal successors, (3267), 29 states have internal predecessors, (3267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:15:11,042 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:15:11,042 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 280 [2021-12-06 18:15:11,042 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 18:16:33,442 INFO L129 PetriNetUnfolder]: 30564/81318 cut-off events. [2021-12-06 18:16:33,442 INFO L130 PetriNetUnfolder]: For 1601720/1601934 co-relation queries the response was YES. [2021-12-06 18:16:36,564 INFO L84 FinitePrefix]: Finished finitePrefix Result has 436223 conditions, 81318 events. 30564/81318 cut-off events. For 1601720/1601934 co-relation queries the response was YES. Maximal size of possible extension queue 1656. Compared 1008635 event pairs, 6376 based on Foata normal form. 203/79234 useless extension candidates. Maximal degree in co-relation 436026. Up to 28125 conditions per place. [2021-12-06 18:16:36,879 INFO L132 encePairwiseOnDemand]: 228/280 looper letters, 3062 selfloop transitions, 1131 changer transitions 4/4337 dead transitions. [2021-12-06 18:16:36,879 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 797 places, 4337 transitions, 153545 flow [2021-12-06 18:16:36,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-12-06 18:16:36,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2021-12-06 18:16:36,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 5391 transitions. [2021-12-06 18:16:36,883 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.4375811688311688 [2021-12-06 18:16:36,883 INFO L72 ComplementDD]: Start complementDD. Operand 44 states and 5391 transitions. [2021-12-06 18:16:36,883 INFO L73 IsDeterministic]: Start isDeterministic. Operand 44 states and 5391 transitions. [2021-12-06 18:16:36,884 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:16:36,884 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 44 states and 5391 transitions. [2021-12-06 18:16:36,888 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 45 states, 44 states have (on average 122.52272727272727) internal successors, (5391), 44 states have internal predecessors, (5391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:16:36,893 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 45 states, 45 states have (on average 280.0) internal successors, (12600), 45 states have internal predecessors, (12600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:16:36,894 INFO L81 ComplementDD]: Finished complementDD. Result has 45 states, 45 states have (on average 280.0) internal successors, (12600), 45 states have internal predecessors, (12600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:16:36,894 INFO L186 Difference]: Start difference. First operand has 754 places, 3085 transitions, 110832 flow. Second operand 44 states and 5391 transitions. [2021-12-06 18:16:36,894 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 797 places, 4337 transitions, 153545 flow [2021-12-06 18:16:52,643 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 780 places, 4337 transitions, 153428 flow, removed 40 selfloop flow, removed 17 redundant places. [2021-12-06 18:16:52,750 INFO L242 Difference]: Finished difference. Result has 796 places, 3349 transitions, 124171 flow [2021-12-06 18:16:52,752 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=110767, PETRI_DIFFERENCE_MINUEND_PLACES=737, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3085, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=881, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=44, PETRI_FLOW=124171, PETRI_PLACES=796, PETRI_TRANSITIONS=3349} [2021-12-06 18:16:52,753 INFO L334 CegarLoopForPetriNet]: 279 programPoint places, 517 predicate places. [2021-12-06 18:16:52,753 INFO L470 AbstractCegarLoop]: Abstraction has has 796 places, 3349 transitions, 124171 flow [2021-12-06 18:16:52,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 112.65517241379311) internal successors, (3267), 29 states have internal predecessors, (3267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:16:52,753 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 18:16:52,753 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:16:52,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-12-06 18:16:52,754 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 18:16:52,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:16:52,754 INFO L85 PathProgramCache]: Analyzing trace with hash 2110001281, now seen corresponding path program 3 times [2021-12-06 18:16:52,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:16:52,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842418565] [2021-12-06 18:16:52,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:16:52,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:16:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:16:53,248 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 18:16:53,248 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:16:53,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842418565] [2021-12-06 18:16:53,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842418565] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:16:53,248 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:16:53,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-12-06 18:16:53,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326549346] [2021-12-06 18:16:53,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:16:53,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-12-06 18:16:53,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:16:53,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-12-06 18:16:53,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=714, Unknown=0, NotChecked=0, Total=812 [2021-12-06 18:16:53,253 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 280 [2021-12-06 18:16:53,255 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 796 places, 3349 transitions, 124171 flow. Second operand has 29 states, 29 states have (on average 112.65517241379311) internal successors, (3267), 29 states have internal predecessors, (3267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:16:53,255 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 18:16:53,255 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 280 [2021-12-06 18:16:53,255 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand